gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
syz.0.0: attempt to access beyond end of device
loop0: rw=2049, sector=68719479104, nr_sectors = 8 limit=32768
loop0: writeback error on inode 8589934885, offset 16777216, sector 68719479104
syz.0.0: attempt to access beyond end of device
loop0: rw=8402945, sector=68719479080, nr_sectors = 8 limit=32768
Buffer I/O error on dev loop0, logical block 8589934885, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=8402945, sector=68719479088, nr_sectors = 8 limit=32768
Buffer I/O error on dev loop0, logical block 8589934886, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=8402945, sector=68719479096, nr_sectors = 8 limit=32768
Buffer I/O error on dev loop0, logical block 8589934887, lost async page write
syz.0.0: attempt to access beyond end of device
loop0: rw=8400896, sector=68719479080, nr_sectors = 8 limit=32768
gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_empty_one, file = fs/gfs2/log.c, line = 326
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 04/01/2014
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
gfs2_withdraw+0xc3/0x1b0 fs/gfs2/util.c:250
gfs2_ail1_empty_one fs/gfs2/log.c:326 [inline]
gfs2_ail1_empty+0x2ba/0x7c0 fs/gfs2/log.c:360
gfs2_flush_revokes+0x5c/0x80 fs/gfs2/log.c:804
revoke_lo_before_commit+0x2f/0xe60 fs/gfs2/lops.c:853
lops_before_commit fs/gfs2/lops.h:42 [inline]
gfs2_log_flush+0xa6e/0x2520 fs/gfs2/log.c:1095
gfs2_kill_sb+0x5c/0x430 fs/gfs2/ops_fstype.c:1779
deactivate_locked_super+0xbc/0x130 fs/super.c:474
cleanup_mnt+0x437/0x4d0 fs/namespace.c:1318
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x69b/0x2310 kernel/exit.c:971
do_group_exit+0x21b/0x2d0 kernel/exit.c:1112
get_signal+0x1284/0x1330 kernel/signal.c:3034
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f8b99aeb9
Code: Unable to access opcode bytes at 0x7f9f8b99ae8f.
RSP: 002b:00007f9f8c8b40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f8bc15fa8 RCX: 00007f9f8b99aeb9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f8bc15fa8
RBP: 00007f9f8bc15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f8bc16038 R14: 00007ffcdee48d90 R15: 00007ffcdee48e78
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/super.c:76!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
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 04/01/2014
RIP: 0010:gfs2_jindex_free+0x44e/0x450 fs/gfs2/super.c:76
Code: cc cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c e2 fd ff ff e8 72 f6 15 fe e9 d8 fd ff ff e8 a8 92 80 07 e8 a3 1b ac fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000e3a7820 EFLAGS: 00010293
RAX: ffffffff84186b4d RBX: dead000000000122 RCX: ffff888038924980
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000e3a78e0 R08: ffff88803bb70e37 R09: 1ffff1100776e1c6
R10: dffffc0000000000 R11: ffffed100776e1c7 R12: ffff88803bb70908
R13: dffffc0000000000 R14: ffff888032c94b00 R15: ffff888032c94b78
FS: 0000000000000000(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005643f425b5a8 CR3: 000000000e346000 CR4: 0000000000352ef0
Call Trace:
gfs2_put_super+0x7d9/0x860 fs/gfs2/super.c:636
generic_shutdown_super+0x135/0x2c0 fs/super.c:643
kill_block_super+0x44/0x90 fs/super.c:1722
deactivate_locked_super+0xbc/0x130 fs/super.c:474
cleanup_mnt+0x437/0x4d0 fs/namespace.c:1318
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x69b/0x2310 kernel/exit.c:971
do_group_exit+0x21b/0x2d0 kernel/exit.c:1112
get_signal+0x1284/0x1330 kernel/signal.c:3034
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f8b99aeb9
Code: Unable to access opcode bytes at 0x7f9f8b99ae8f.
RSP: 002b:00007f9f8c8b40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9f8bc15fa8 RCX: 00007f9f8b99aeb9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f8bc15fa8
RBP: 00007f9f8bc15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9f8bc16038 R14: 00007ffcdee48d90 R15: 00007ffcdee48e78
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_jindex_free+0x44e/0x450 fs/gfs2/super.c:76
Code: cc cc cc cc cc 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c e2 fd ff ff e8 72 f6 15 fe e9 d8 fd ff ff e8 a8 92 80 07 e8 a3 1b ac fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000e3a7820 EFLAGS: 00010293
RAX: ffffffff84186b4d RBX: dead000000000122 RCX: ffff888038924980
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc9000e3a78e0 R08: ffff88803bb70e37 R09: 1ffff1100776e1c6
R10: dffffc0000000000 R11: ffffed100776e1c7 R12: ffff88803bb70908
R13: dffffc0000000000 R14: ffff888032c94b00 R15: ffff888032c94b78
FS: 0000000000000000(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005643f43fb968 CR3: 00000000333df000 CR4: 0000000000352ef0