Hello, syzbot found the following issue on: HEAD commit: dfa449a58323 Add linux-next specific files for 20230915 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=14c33a54680000 kernel config: https://syzkaller.appspot.com/x/.config?x=e204dda2e58397ec dashboard link: https://syzkaller.appspot.com/bug?extid=51c61e2b1259fcd64071 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=117f463c680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12406dac680000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/34f9995871ed/disk-dfa449a5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/95e2e1c3ab9e/vmlinux-dfa449a5.xz kernel image: https://storage.googleapis.com/syzbot-assets/cfc6db9684d4/bzImage-dfa449a5.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/7542796b830f/mount_0.gz Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12847a3c680000 final oops: https://syzkaller.appspot.com/x/report.txt?x=11847a3c680000 console output: https://syzkaller.appspot.com/x/log.txt?x=16847a3c680000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+51c61e2b1259fcd64071@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: rw=0, sector=17668342, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 8834171, async page read syz-executor392: attempt to access beyond end of device loop0: rw=0, sector=26932834, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 13466417, async page read syz-executor392: attempt to access beyond end of device loop0: rw=0, sector=16147212, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 8073606, async page read BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5047 Comm: syz-executor392 Not tainted 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> syz-executor392: attempt to access beyond end of device loop0: rw=0, sector=6491548, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 3245774, async page read syz-executor392: attempt to access beyond end of device loop0: rw=0, sector=17669878, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 8834939, async page read BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/pagemap.h:1012 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 folio_lock include/linux/pagemap.h:1012 [inline] __filemap_get_folio+0x5e0/0xa90 mm/filemap.c:1880 grow_dev_page fs/buffer.c:1047 [inline] grow_buffers fs/buffer.c:1111 [inline] __getblk_slow+0x1be/0x720 fs/buffer.c:1138 bdev_getblk+0xad/0xc0 fs/buffer.c:1434 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/pagemap.h:1012 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 folio_lock include/linux/pagemap.h:1012 [inline] __filemap_get_folio+0x5e0/0xa90 mm/filemap.c:1880 grow_dev_page fs/buffer.c:1047 [inline] grow_buffers fs/buffer.c:1111 [inline] __getblk_slow+0x1be/0x720 fs/buffer.c:1138 bdev_getblk+0xad/0xc0 fs/buffer.c:1434 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5047, name: syz-executor392 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor392/5047: #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3543 [inline] #0: ffff888076ce8188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x18a5/0x29c0 fs/namei.c:3774 #1: ffffffff8cfc8b98 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5047 Comm: syz-executor392 Tainted: G W 6.6.0-rc1-next-20230915-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10106 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1430 __bread_gfp+0xaf/0x370 fs/buffer.c:1479 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2398 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2368 do_read_cache_folio+0x205/0x540 mm/filemap.c:3728 do_read_cache_page mm/filemap.c:3794 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3803 read_mapping_page include/linux/pagemap.h:854 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x926/0x13b0 fs/namei.c:3454 open_last_lookups fs/namei.c:3544 [inline] path_openat+0x931/0x29c0 fs/namei.c:3774 do_filp_open+0x1de/0x430 fs/namei.c:3804 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5f628dda19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe787af38 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f628dda19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f5f6295a5f0 R08: 0000000000009e13 R09: 00005555563914c0 R10: 00007fffe787ae00 R11: 0000000000000246 R12: 00007fffe787af60 R13: 00007fffe787b188 R14: 431bde82d7b634db R15: 00007f5f6292603b </TASK> --- 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection 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
