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.s: journal 0 mapped with 18 extents in 0ms
gfs2: fsid=syz:syz.s: first mount done, others may mount
gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block)
gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590
gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:5317 [syz.0.0] __gfs2_lookup+0xac/0x2b0 fs/gfs2/inode.c:995
gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
CPU: 0 UID: 0 PID: 5317 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:249
gfs2_dirent_scan+0x54d/0x690 fs/gfs2/dir.c:-1
gfs2_dirent_search+0x358/0x8e0 fs/gfs2/dir.c:854
gfs2_dir_search+0x4c/0x220 fs/gfs2/dir.c:1649
gfs2_lookupi+0x45b/0x640 fs/gfs2/inode.c:354
__gfs2_lookup+0xac/0x2b0 fs/gfs2/inode.c:995
lookup_one_qstr_excl+0x12d/0x360 fs/namei.c:1810
__start_dirop fs/namei.c:2920 [inline]
start_dirop fs/namei.c:2942 [inline]
filename_create+0x20e/0x370 fs/namei.c:5092
filename_mkdirat+0xd2/0x510 fs/namei.c:5436
__do_sys_mkdirat fs/namei.c:5464 [inline]
__se_sys_mkdirat+0x35/0x150 fs/namei.c:5461
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f742599e159
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:00007f7426928fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f7425c25fa0 RCX: 00007f742599e159
RDX: 00000000000001ff RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f7425a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7425c26038 R14: 00007f7425c25fa0 R15: 00007ffdba740028
gfs2: fsid=syz:syz.s: about to withdraw this file system
------------[ cut here ]------------
!(flags & __GFP_NOWARN)
WARNING: mm/slub.c:7022 at __kvmalloc_node_noprof+0x798/0x820 mm/slub.c:7022, CPU#0: syz.0.0/5317
Modules linked in:
CPU: 0 UID: 0 PID: 5317 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:__kvmalloc_node_noprof+0x798/0x820 mm/slub.c:7022
Code: ff 48 c7 c7 b0 93 e9 8e 48 89 de e8 52 69 f0 02 e9 1b fc ff ff 48 c7 c7 f0 93 e9 8e 48 89 de e8 3e 69 f0 02 e9 4c fc ff ff 90 <0f> 0b 90 31 db e9 06 fe ff ff 90 0f 0b 90 e9 55 ff ff ff 49 83 7f
RSP: 0018:ffffc9000ddcfae0 EFLAGS: 00010246
RAX: 0000000000000100 RBX: 0000000000000000 RCX: 8000000000000001
RDX: 0000008002000078 RSI: ffffffff8c6dcd60 RDI: ffffffff8c6dcd20
RBP: 00000000ffffffff R08: 00000000000028c0 R09: 00000000ffffffff
R10: 0000000000000006 R11: 0000000000000002 R12: 0000008002000078
R13: 00000000000028c0 R14: 0000001000000000 R15: ffffffff8659c24c
FS: 00007f74269296c0(0000) GS:ffff88808c2bc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001480 CR3: 0000000012e53000 CR4: 0000000000352ef0
Call Trace:
init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline]
udmabuf_create+0x2dc/0xf50 drivers/dma-buf/udmabuf.c:386
udmabuf_ioctl_create_list drivers/dma-buf/udmabuf.c:484 [inline]
udmabuf_ioctl+0x29a/0x300 drivers/dma-buf/udmabuf.c:499
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f742599e159
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:00007f7426928fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7425c25fa0 RCX: 00007f742599e159
RDX: 0000200000000400 RSI: 0000000040087543 RDI: 0000000000000008
RBP: 00007f7425a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7425c26038 R14: 00007f7425c25fa0 R15: 00007ffdba740028