Hello, syzbot found the following issue on: HEAD commit: bf6547d8715b Merge branches 'for-next/sve-remove-pseudo-re.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=15e15266680000 kernel config: https://syzkaller.appspot.com/x/.config?x=87bf2bd0cc8825ea dashboard link: https://syzkaller.appspot.com/bug?extid=baa44e3dbbe48e05c1ad compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1429fe12680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=135744cc680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ce9077c94d96/disk-bf6547d8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a846fe1c61d3/vmlinux-bf6547d8.xz kernel image: https://storage.googleapis.com/syzbot-assets/b4436f7e6852/Image-bf6547d8.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+baa44e3dbbe48e05c1ad@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_pos_before kernel/bpf/mprog.c:200 [inline] WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_attach+0x584/0xb88 kernel/bpf/mprog.c:258 Modules linked in: CPU: 1 PID: 6072 Comm: syz-executor183 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] pc : bpf_mprog_pos_before kernel/bpf/mprog.c:200 [inline] pc : bpf_mprog_attach+0x584/0xb88 kernel/bpf/mprog.c:258 lr : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] lr : bpf_mprog_pos_before kernel/bpf/mprog.c:200 [inline] lr : bpf_mprog_attach+0x584/0xb88 kernel/bpf/mprog.c:258 sp : ffff800096767920 x29: ffff800096767a00 x28: 0000000000000040 x27: 1fffe0001983e841 x26: 0000000000000000 x25: ffff0000cc1f4208 x24: 00000000ffffffde x23: ffff8000967679a0 x22: ffff8000967679c0 x21: ffff0000cc1f4008 x20: ffff0000cc1f4628 x19: dfff800000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008a576f00 x15: 0000000000000002 x14: 1ffff00012cecf34 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000d4921bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000008 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000000 x1 : 0000000000000040 x0 : 000000000000003f Call trace: bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] bpf_mprog_pos_before kernel/bpf/mprog.c:200 [inline] bpf_mprog_attach+0x584/0xb88 kernel/bpf/mprog.c:258 tcx_prog_attach+0x23c/0x6ac kernel/bpf/tcx.c:39 bpf_prog_attach+0x19c/0x340 kernel/bpf/syscall.c:3848 __sys_bpf+0x2e8/0x5dc kernel/bpf/syscall.c:5344 __do_sys_bpf kernel/bpf/syscall.c:5439 [inline] __se_sys_bpf kernel/bpf/syscall.c:5437 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5437 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 576 hardirqs last enabled at (575): [<ffff800080034500>] local_daif_restore+0x1c/0x3c arch/arm64/include/asm/daifflags.h:75 hardirqs last disabled at (576): [<ffff80008a625394>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (562): [<ffff8000805caa34>] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (562): [<ffff8000805caa34>] bpf_prog_by_id+0x144/0x168 kernel/bpf/syscall.c:4083 softirqs last disabled at (560): [<ffff8000805ca92c>] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (560): [<ffff8000805ca92c>] bpf_prog_by_id+0x3c/0x168 kernel/bpf/syscall.c:4077 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_insert+0x2bc/0x3f8 kernel/bpf/mprog.c:131 Modules linked in: CPU: 1 PID: 6072 Comm: syz-executor183 Tainted: G W 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] pc : bpf_mprog_insert+0x2bc/0x3f8 kernel/bpf/mprog.c:131 lr : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] lr : bpf_mprog_insert+0x2bc/0x3f8 kernel/bpf/mprog.c:131 sp : ffff8000967678c0 x29: ffff8000967678c0 x28: 0000000000000040 x27: 1fffe0001983e841 x26: dfff800000000000 x25: 0000000000000040 x24: 0000000000000008 x23: ffff0000cc1f4008 x22: 00000000ffffffff x21: ffff0000cc1f4208 x20: ffff8000967679c0 x19: ffff800096767ac0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008a576f00 x15: 0000000000000002 x14: 1ffff00012cecf34 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000d4921bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000008 x4 : 0000000000000008 x3 : 00000000ffffffff x2 : ffff8000967679c0 x1 : 0000000000000040 x0 : 000000000000003f Call trace: bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] bpf_mprog_insert+0x2bc/0x3f8 kernel/bpf/mprog.c:131 bpf_mprog_attach+0xa40/0xb88 kernel/bpf/mprog.c:288 tcx_prog_attach+0x23c/0x6ac kernel/bpf/tcx.c:39 bpf_prog_attach+0x19c/0x340 kernel/bpf/syscall.c:3848 __sys_bpf+0x2e8/0x5dc kernel/bpf/syscall.c:5344 __do_sys_bpf kernel/bpf/syscall.c:5439 [inline] __se_sys_bpf kernel/bpf/syscall.c:5437 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5437 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 724 hardirqs last enabled at (723): [<ffff80008a6253dc>] el1_dbg+0x6c/0x80 arch/arm64/kernel/entry-common.c:439 hardirqs last disabled at (724): [<ffff80008a625394>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (594): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (594): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (579): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_entry_grow include/linux/bpf_mprog.h:277 [inline] WARNING: CPU: 1 PID: 6072 at include/linux/bpf_mprog.h:198 bpf_mprog_insert+0x2d0/0x3f8 kernel/bpf/mprog.c:142 Modules linked in: CPU: 1 PID: 6072 Comm: syz-executor183 Tainted: G W 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] pc : bpf_mprog_entry_grow include/linux/bpf_mprog.h:277 [inline] pc : bpf_mprog_insert+0x2d0/0x3f8 kernel/bpf/mprog.c:142 lr : bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] lr : bpf_mprog_entry_grow include/linux/bpf_mprog.h:277 [inline] lr : bpf_mprog_insert+0x2d0/0x3f8 kernel/bpf/mprog.c:142 sp : ffff8000967678c0 x29: ffff8000967678c0 x28: 1fffe0001983e882 x27: 1fffe0001983e841 x26: dfff800000000000 x25: 0000000000000040 x24: ffff0000cc1f4628 x23: ffff0000cc1f4410 x22: 0000000000000000 x21: ffff0000cc1f4210 x20: ffff8000967679c0 x19: ffff800096767ac0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008a576ca0 x15: ffff80009503e000 x14: ffff80009509e000 x13: ffff80009503e000 x12: ffff80009509e000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000d4921bc0 x7 : ffff800093fee000 x6 : ffff80009501e000 x5 : ffff0000cc1f4410 x4 : ffff0000cc1f4208 x3 : ffff0000cc1f4390 x2 : fffffffffffffff0 x1 : 0000000000000040 x0 : 000000000000003f Call trace: bpf_mprog_total include/linux/bpf_mprog.h:198 [inline] bpf_mprog_entry_grow include/linux/bpf_mprog.h:277 [inline] bpf_mprog_insert+0x2d0/0x3f8 kernel/bpf/mprog.c:142 bpf_mprog_attach+0xa40/0xb88 kernel/bpf/mprog.c:288 tcx_prog_attach+0x23c/0x6ac kernel/bpf/tcx.c:39 bpf_prog_attach+0x19c/0x340 kernel/bpf/syscall.c:3848 __sys_bpf+0x2e8/0x5dc kernel/bpf/syscall.c:5344 __do_sys_bpf kernel/bpf/syscall.c:5439 [inline] __se_sys_bpf kernel/bpf/syscall.c:5437 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5437 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 746 hardirqs last enabled at (745): [<ffff80008a627868>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (745): [<ffff80008a627868>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (746): [<ffff80008a625394>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (740): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (740): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (727): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- --- 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. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
