loop0: detected capacity change from 0 to 4096 nilfs2: Unknown parameter '%b@X^$lC6|+('at—a;Z8BvA' loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): Invalid Fs Meta Ino: node(1) meta(2) root(0) F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 syz.0.0: attempt to access beyond end of device loop0: rw=1, sector=49152, nr_sectors = 2144 limit=40427 BUG: sleeping function called from invalid context at fs/inode.c:1928 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5327, name: syz.0.0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 1 lock held by syz.0.0/5327: #0: ffff8880110c1b80 (&sb->s_type->i_lock_key#35){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #0: ffff8880110c1b80 (&sb->s_type->i_lock_key#35){+.+.}-{3:3}, at: f2fs_drop_inode+0x67e/0x950 fs/f2fs/super.c:1822 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __might_resched+0x495/0x610 kernel/sched/core.c:8925 iput+0x2b/0xc50 fs/inode.c:1928 f2fs_drop_inode+0x686/0x950 fs/f2fs/super.c:1823 iput_final fs/inode.c:1884 [inline] iput+0x6dc/0xc50 fs/inode.c:1966 __dentry_kill+0x209/0x660 fs/dcache.c:669 dput+0x19f/0x2b0 fs/dcache.c:911 __fput+0x68e/0xa70 fs/file_table.c:476 task_work_run+0x1d4/0x260 kernel/task_work.c:227 get_signal+0x11ec/0x1340 kernel/signal.c:2807 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f565e58eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f565f40f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: 0000000000435000 RBX: 00007f565e7e5fa0 RCX: 00007f565e58eec9 RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000009 RBP: 00007f565e611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f565e7e6038 R14: 00007f565e7e5fa0 R15: 00007fff6b1d0348 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5327 at fs/inode.c:1933 iput+0x38c/0xc50 fs/inode.c:1933 Modules linked in: CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Tainted: G W syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:iput+0x38c/0xc50 fs/inode.c:1933 Code: 80 3d f2 5d 48 0d 01 0f 85 b2 00 00 00 e8 5c 71 80 ff 4c 89 f7 be 10 00 00 00 e8 cf 85 06 00 e9 2c fd ff ff e8 45 71 80 ff 90 <0f> 0b 90 e9 70 fd ff ff e8 37 71 80 ff 90 0f 0b 90 e9 d7 fe ff ff RSP: 0018:ffffc9000d3a7970 EFLAGS: 00010246 RAX: ffffffff823fe24b RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000e2c2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffff8880110c1bb8 R08: ffffffff92986047 R09: 1ffffffff2530c08 R10: dffffc0000000000 R11: fffffbfff2530c09 R12: ffff8880110c1ce8 R13: dffffc0000000000 R14: ffff8880110c1ae8 R15: 1ffffffff1f3cc32 FS: 00007f565f40f6c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200001000000 CR3: 00000000127f0000 CR4: 0000000000352ef0 Call Trace: f2fs_drop_inode+0x686/0x950 fs/f2fs/super.c:1823 iput_final fs/inode.c:1884 [inline] iput+0x6dc/0xc50 fs/inode.c:1966 __dentry_kill+0x209/0x660 fs/dcache.c:669 dput+0x19f/0x2b0 fs/dcache.c:911 __fput+0x68e/0xa70 fs/file_table.c:476 task_work_run+0x1d4/0x260 kernel/task_work.c:227 get_signal+0x11ec/0x1340 kernel/signal.c:2807 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f565e58eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f565f40f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: 0000000000435000 RBX: 00007f565e7e5fa0 RCX: 00007f565e58eec9 RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000009 RBP: 00007f565e611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f565e7e6038 R14: 00007f565e7e5fa0 R15: 00007fff6b1d0348