On Mon, 6 Sept 2021 at 11:55, syzbot <syzbot+e6bda7e03e329ed0b1db@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: f1583cb1be35 Merge tag 'linux-kselftest-next-5.15-rc1' of .. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=17756315300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5fe535c85e8d7384 > dashboard link: https://syzkaller.appspot.com/bug?extid=e6bda7e03e329ed0b1db > compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 > userspace arch: arm64 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+e6bda7e03e329ed0b1db@xxxxxxxxxxxxxxxxxxxxxxxxx +Will, you added this WARNING in 42f91093b04333. This now crashes periodically on syzbot. > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Not tainted 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000308 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : ffff00007fbbb9c8 x4 : 0000000000015ff5 x3 : 0000000000000001 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640ca ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000032d x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640cb ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000352 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640cc ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000377 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640cd ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000039c x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640ce ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000003c1 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640cf ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000003e6 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d0 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000040b x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d1 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000430 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d2 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000455 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d3 ]--- > __do_kernel_fault: 65272 callbacks suppressed > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000047b x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : ffff00007fbbb9c8 x4 : 0000000000015ff5 x3 : 0000000000000001 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d4 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000004a0 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d5 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000004c5 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d6 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000004ea x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d7 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000050f x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d8 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000534 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640d9 ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 0000000000000559 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640da ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 000000000000057e x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640db ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000005a3 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640dc ]--- > ------------[ cut here ]------------ > Ignoring spurious kernel translation fault at virtual address ffff00007b65e020 > WARNING: CPU: 0 PID: 22 at arch/arm64/mm/fault.c:365 __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > Modules linked in: > CPU: 0 PID: 22 Comm: kdevtmpfs Tainted: G W 5.14.0-syzkaller-09284-gf1583cb1be35 #0 > Hardware name: linux,dummy-virt (DT) > pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > lr : __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > sp : ffff80001267b980 > x29: ffff80001267b980 x28: f4ff0000029a0000 x27: 0000000000000000 > x26: 0000000000000000 x25: fdff000002fa0d00 x24: ffff80001267bcb8 > x23: 0000000060400009 x22: ffff00007b65e020 x21: 0000000000000025 > x20: ffff80001267ba50 x19: 0000000097c48007 x18: 00000000fffffffd > x17: 6666207373657264 x16: 6461206c61757472 x15: 697620746120746c > x14: 756166206e6f6974 x13: 00000000000005c8 x12: ffff80001267b680 > x11: ffff8000122cd1e0 x10: 00000000ffffe000 x9 : ffff8000122cd1e0 > x8 : ffff80001221d1e0 x7 : ffff8000122cd1e0 x6 : 0000000000000000 > x5 : 0000000000000000 x4 : 0000000000015ff5 x3 : 0000000000000000 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : f4ff0000029a0000 > Call trace: > __do_kernel_fault+0x170/0x1bc arch/arm64/mm/fault.c:365 > do_bad_area arch/arm64/mm/fault.c:466 [inline] > do_translation_fault+0x58/0xc0 arch/arm64/mm/fault.c:682 > do_mem_abort+0x44/0xb4 arch/arm64/mm/fault.c:813 > el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:357 > el1h_64_sync_handler+0xb0/0xd0 arch/arm64/kernel/entry-common.c:408 > el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:567 > __entry_tramp_text_end+0xdfc/0x3000 > d_lookup+0x44/0x70 fs/dcache.c:2370 > lookup_dcache+0x24/0x84 fs/namei.c:1520 > __lookup_hash+0x24/0xd0 fs/namei.c:1543 > kern_path_locked+0x90/0x10c fs/namei.c:2567 > handle_remove+0x38/0x284 drivers/base/devtmpfs.c:312 > handle drivers/base/devtmpfs.c:382 [inline] > devtmpfs_work_loop drivers/base/devtmpfs.c:395 [inline] > devtmpfsd+0x8c/0xd0 drivers/base/devtmpfs.c:437 > kthread+0x150/0x15c kernel/kthread.c:319 > ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:756 > ---[ end trace ae975648337640dd ]--- > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000f8d56e05cb50a541%40google.com.
