------------[ cut here ]------------
WARNING: kernel/trace/blktrace.c:367 at __blk_add_trace+0x50f/0x9c0, CPU#1: jbd2/sda-8/72
Modules linked in:
CPU: 1 UID: 0 PID: 72 Comm: jbd2/sda-8 Not tainted 6.18.0-rc3-next-20251028 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__blk_add_trace+0x50f/0x9c0
Code: 3e f7 ff 4c 89 e3 bf 00 80 00 00 48 c1 eb 10 48 89 de e8 94 39 f7 ff 48 81 fb 00 80 00 00 0f 86 dd fc ff ff e8 22 3e f7 ff 90 <0f> 0b 90 e9 29 ff ff ff 41 83 ff 03 75 88 e8 0e 3e f7 ff 49 81 cc
RSP: 0018:ffff88800a39f730 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000000000901e RCX: ffffffff817cd62c
RDX: ffff88800a313700 RSI: ffffffff817cd63e RDI: 0000000000000007
RBP: ffff88800d387a00 R08: 0000000010000000 R09: 0000000000000000
R10: 000000000000901e R11: 0000000000000001 R12: 00000000901e0001
R13: 0000000000211ff0 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880e54f4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f116a405098 CR3: 000000000e439000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 blk_add_trace_bio+0x26a/0x4a0
 submit_bio_noacct_nocheck+0x3d1/0xb60
 submit_bio_noacct+0x35b/0x1350
 journal_submit_commit_record.part.0+0x5aa/0x860
 jbd2_journal_commit_transaction+0x33e5/0x5b30
 kjournald2+0x1d8/0x720
 kthread+0x3c8/0x740
 ret_from_fork+0x38b/0x470
 ret_from_fork_asm+0x1a/0x30
 </TASK>
irq event stamp: 692243
hardirqs last  enabled at (692253): [<ffffffff815439a8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (692262): [<ffffffff8154398d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (691862): [<ffffffff813bc26c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (691477): [<ffffffff813bc604>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 30203 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc3-next-20251028 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 _copy_from_iter+0x1dc/0x1660
 write_pool_user.part.0+0xa7/0x290
 random_ioctl+0x34c/0x480
 __x64_sys_ioctl+0x18f/0x210
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9df4df0b19
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:00007f9df2366188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9df4f03f60 RCX: 00007f9df4df0b19
RDX: 0000000020000000 RSI: 0000000040085203 RDI: 0000000000000003
RBP: 00007f9df23661d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffdef91287f R14: 00007f9df2366300 R15: 0000000000022000
 </TASK>
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
audit: type=1326 audit(1761679400.637:115): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=30201 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f0baa871b19 code=0x4000000
sr 1:0:0:0: [sr0] CDROM not ready.  Make sure there is a disc in the drive.
sr 1:0:0:0: [sr0] CDROM not ready.  Make sure there is a disc in the drive.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.