Buffer I/O error on dev loop0, logical block 13915, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=14337, sector=28082, nr_sectors = 2 limit=64
Buffer I/O error on dev loop0, logical block 14041, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=14337, sector=28334, nr_sectors = 2 limit=64
Buffer I/O error on dev loop0, logical block 14167, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=14337, sector=28586, nr_sectors = 2 limit=64
Buffer I/O error on dev loop0, logical block 14293, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=14337, sector=28838, nr_sectors = 2 limit=64
Buffer I/O error on dev loop0, logical block 14419, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=14337, sector=29090, nr_sectors = 2 limit=64
Buffer I/O error on dev loop0, logical block 14545, lost async page write
gfs2: fsid=syz:syz.0: fatal: I/O error - block = 13411, function = gfs2_ail1_empty_one, file = fs/gfs2/log.c, line = 328
gfs2: fsid=syz:syz.0: about to withdraw this file system
gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
gfs2: fsid=syz:syz.0: File system withdrawn
CPU: 0 UID: 0 PID: 5359 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
gfs2_withdraw+0xb30/0x1430 fs/gfs2/util.c:345
revoke_lo_before_commit+0x2f/0xe60 fs/gfs2/lops.c:857
lops_before_commit fs/gfs2/lops.h:42 [inline]
gfs2_log_flush+0xb8b/0x24c0 fs/gfs2/log.c:1105
gfs2_kill_sb+0x5d/0x340 fs/gfs2/ops_fstype.c:1780
deactivate_locked_super+0xb9/0x130 fs/super.c:474
cleanup_mnt+0x425/0x4c0 fs/namespace.c:1375
task_work_run+0x1d1/0x260 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x6b5/0x2300 kernel/exit.c:961
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 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/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0eb5f8eba9
Code: Unable to access opcode bytes at 0x7f0eb5f8eb7f.
RSP: 002b:00007f0eb6ec40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f0eb61d5fa8 RCX: 00007f0eb5f8eba9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0eb61d5fa8
RBP: 00007f0eb61d5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0eb61d6038 R14: 00007ffeb30d4be0 R15: 00007ffeb30d4cc8
------------[ cut here ]------------
kernel BUG at fs/gfs2/super.c:76!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5359 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
RIP: 0010:gfs2_jindex_free+0x43e/0x440 fs/gfs2/super.c:76
Code: cc cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ea fd ff ff e8 12 27 26 fe e9 e0 fd ff ff e8 58 8d 7d 07 e8 13 35 c1 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000d31f800 EFLAGS: 00010293
RAX: ffffffff83fe999d RBX: dead000000000122 RCX: ffff888000364880
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000d31f8c0 R08: ffff888032fb4d4f R09: 1ffff110065f69a9
R10: dffffc0000000000 R11: ffffed10065f69aa R12: ffff888032fb4818
R13: dffffc0000000000 R14: ffff8880343d3f00 R15: ffff8880343d3f78
FS: 0000000000000000(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563257add168 CR3: 000000000df36000 CR4: 0000000000352ef0
Call Trace:
gfs2_put_super+0x8af/0x950 fs/gfs2/super.c:636
generic_shutdown_super+0x135/0x2c0 fs/super.c:643
kill_block_super+0x44/0x90 fs/super.c:1766
deactivate_locked_super+0xb9/0x130 fs/super.c:474
cleanup_mnt+0x425/0x4c0 fs/namespace.c:1375
task_work_run+0x1d1/0x260 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x6b5/0x2300 kernel/exit.c:961
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 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/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0eb5f8eba9
Code: Unable to access opcode bytes at 0x7f0eb5f8eb7f.
RSP: 002b:00007f0eb6ec40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f0eb61d5fa8 RCX: 00007f0eb5f8eba9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0eb61d5fa8
RBP: 00007f0eb61d5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0eb61d6038 R14: 00007ffeb30d4be0 R15: 00007ffeb30d4cc8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_jindex_free+0x43e/0x440 fs/gfs2/super.c:76
Code: cc cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c ea fd ff ff e8 12 27 26 fe e9 e0 fd ff ff e8 58 8d 7d 07 e8 13 35 c1 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00
RSP: 0018:ffffc9000d31f800 EFLAGS: 00010293
RAX: ffffffff83fe999d RBX: dead000000000122 RCX: ffff888000364880
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000d31f8c0 R08: ffff888032fb4d4f R09: 1ffff110065f69a9
R10: dffffc0000000000 R11: ffffed10065f69aa R12: ffff888032fb4818
R13: dffffc0000000000 R14: ffff8880343d3f00 R15: ffff8880343d3f78
FS: 0000000000000000(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563257add168 CR3: 000000000df36000 CR4: 0000000000352ef0