loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
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=8390665, sector=68719479088, nr_sectors = 2056 limit=32768
gfs2: fsid=syz:syz.0: Failed to zero data buffers
syz.0.0: attempt to access beyond end of device
loop0: rw=8390657, sector=68719479088, nr_sectors = 8 limit=32768
Buffer I/O error on dev loop0, logical block 8589934886, lost async page write
------------[ cut here ]------------
kernel BUG at fs/gfs2/lops.c:107!
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_unpin+0x9aa/0x9c0 fs/gfs2/lops.c:107
Code: fe e9 24 fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 52 fb ff ff 4c 89 e7 e8 d1 9d 10 fe e9 45 fb ff ff e8 87 bc a4 fd 90 <0f> 0b e8 7f bc a4 fd 90 0f 0b e8 77 bc a4 fd 90 0f 0b 0f 1f 40 00
RSP: 0018:ffffc9000f22f4d0 EFLAGS: 00010293
RAX: ffffffff84211229 RBX: ffff888011bdc900 RCX: ffff888000aa4980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100237b941 R08: ffff88801a91c82f R09: 1ffff11003523905
R10: dffffc0000000000 R11: ffffed1003523906 R12: dffffc0000000000
R13: ffff888041d4e850 R14: ffff88801a91c828 R15: ffff888012510000
FS: 00007fcf081196c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcf080d6fe8 CR3: 0000000042c34000 CR4: 0000000000352ef0
Call Trace:
<TASK>
databuf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:1080
lops_after_commit fs/gfs2/lops.h:51 [inline]
gfs2_log_flush+0xfac/0x2510 fs/gfs2/log.c:1111
gfs2_jdata_writepages+0xf9/0x150 fs/gfs2/aops.c:370
do_writepages+0x32e/0x550 mm/page-writeback.c:2575
filemap_writeback mm/filemap.c:387 [inline]
filemap_fdatawrite_range+0x1ef/0x2f0 mm/filemap.c:412
gfs2_fsync+0xd8/0x370 fs/gfs2/file.c:752
generic_write_sync include/linux/fs.h:2640 [inline]
gfs2_file_write_iter+0xee4/0x1130 fs/gfs2/file.c:1168
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61d/0xb90 fs/read_write.c:688
ksys_write+0x150/0x270 fs/read_write.c:740
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcf0719c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcf08118fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcf07415fa0 RCX: 00007fcf0719c819
RDX: 0000000000000012 RSI: 0000200000000080 RDI: 0000000000000004
RBP: 00007fcf07232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcf07416038 R14: 00007fcf07415fa0 R15: 00007ffe23a88f58
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_unpin+0x9aa/0x9c0 fs/gfs2/lops.c:107
Code: fe e9 24 fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 52 fb ff ff 4c 89 e7 e8 d1 9d 10 fe e9 45 fb ff ff e8 87 bc a4 fd 90 <0f> 0b e8 7f bc a4 fd 90 0f 0b e8 77 bc a4 fd 90 0f 0b 0f 1f 40 00
RSP: 0018:ffffc9000f22f4d0 EFLAGS: 00010293
RAX: ffffffff84211229 RBX: ffff888011bdc900 RCX: ffff888000aa4980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100237b941 R08: ffff88801a91c82f R09: 1ffff11003523905
R10: dffffc0000000000 R11: ffffed1003523906 R12: dffffc0000000000
R13: ffff888041d4e850 R14: ffff88801a91c828 R15: ffff888012510000
FS: 00007fcf081196c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056149f350280 CR3: 0000000042c34000 CR4: 0000000000352ef0