------------[ cut here ]------------
WARNING: CPU: 1 PID: 5474 at mm/vmscan.c:681 register_shrinker_prepared+0xe9/0x120
Modules linked in:
CPU: 1 PID: 5474 Comm: syz-executor.3 Not tainted 5.18.0-next-20220603 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:register_shrinker_prepared+0xe9/0x120
Code: 00 31 ff 89 c5 89 c6 e8 35 af e4 ff 85 ed 75 15 e8 5c b2 e4 ff 48 c7 c7 60 74 28 85 5b 5d 41 5c e9 dc 04 c8 ff e8 47 b2 e4 ff <0f> 0b eb e2 e8 ae c0 17 00 eb c0 48 89 df e8 34 c1 17 00 eb 89 e8
RSP: 0018:ffff888042f37c88 EFLAGS: 00010216
RAX: 0000000000001aec RBX: ffff888045238778 RCX: ffffc90005a02000
RDX: 0000000000040000 RSI: ffffffff815faa29 RDI: 0000000000000005
RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff888043dde778
R13: ffffffff85363760 R14: ffffffff853637a0 R15: ffff888007ce2040
FS: 00007f6f7cec0700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f7fa5a000 CR3: 000000000f262000 CR4: 0000000000350ee0
Call Trace:
sget+0x44c/0x550
mount_bdev+0xf8/0x430
legacy_get_tree+0x105/0x220
vfs_get_tree+0x8e/0x2f0
path_mount+0x131b/0x1f80
__x64_sys_mount+0x27e/0x300
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f6f7f94ab19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6f7cec0188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6f7fa5df60 RCX: 00007f6f7f94ab19
RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007f6f7cec01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffeab4e968f R14: 00007f6f7cec0300 R15: 0000000000022000
irq event stamp: 1009
hardirqs last enabled at (1017): [] vprintk_emit+0x57f/0x5e0
hardirqs last disabled at (1024): [] vprintk_emit+0x516/0x5e0
softirqs last enabled at (718): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (713): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
FAT-fs (loop3): unable to read boot sector
audit: type=1400 audit(1654427041.834:27): avc: denied { block_suspend } for pid=5477 comm="syz-executor.4" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
loop4: detected capacity change from 0 to 255
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.7'.
loop4: detected capacity change from 0 to 255
netlink: 1 bytes leftover after parsing attributes in process `syz-executor.7'.
I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
FAT-fs (loop3): unable to read boot sector