audit: type=1400 audit(1664970115.939:8): avc:  denied  { kernel } for  pid=6468 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
6.0.0-next-20221005 #1 Not tainted
------------------------------------------------------
syz-executor.0/6469 is trying to acquire lock:
ffffffff853faaf8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70

but task is already holding lock:
ffff88800e1eac20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&ctx->lock){....}-{2:2}:
       _raw_spin_lock+0x2a/0x40
       __perf_event_task_sched_out+0x53b/0x18d0
       __schedule+0xedd/0x2470
       schedule+0xda/0x1b0
       exit_to_user_mode_prepare+0x114/0x1a0
       syscall_exit_to_user_mode+0x19/0x40
       do_syscall_64+0x48/0x90
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #2 (&rq->__lock){-.-.}-{2:2}:
       _raw_spin_lock_nested+0x30/0x40
       raw_spin_rq_lock_nested+0x1e/0x30
       task_fork_fair+0x63/0x4d0
       sched_cgroup_fork+0x3d0/0x540
       copy_process+0x4183/0x6e20
       kernel_clone+0xe7/0x890
       user_mode_thread+0xad/0xf0
       rest_init+0x24/0x250
       arch_call_rest_init+0xf/0x14
       start_kernel+0x4c6/0x4eb
       secondary_startup_64_no_verify+0xe0/0xeb

-> #1 (&p->pi_lock){-.-.}-{2:2}:
       _raw_spin_lock_irqsave+0x39/0x60
       try_to_wake_up+0xab/0x1930
       up+0x75/0xb0
       __up_console_sem+0x6e/0x80
       console_unlock+0x46a/0x590
       vt_ioctl+0x2822/0x2ca0
       tty_ioctl+0x785/0x16b0
       __x64_sys_ioctl+0x19a/0x210
       do_syscall_64+0x3b/0x90
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #0 ((console_sem).lock){....}-{2:2}:
       __lock_acquire+0x2a02/0x5e70
       lock_acquire+0x1a2/0x530
       _raw_spin_lock_irqsave+0x39/0x60
       down_trylock+0xe/0x70
       __down_trylock_console_sem+0x3b/0xd0
       vprintk_emit+0x16b/0x560
       vprintk+0x84/0xa0
       _printk+0xba/0xf1
       report_bug.cold+0x72/0xab
       handle_bug+0x3c/0x70
       exc_invalid_op+0x14/0x50
       asm_exc_invalid_op+0x16/0x20
       group_sched_out.part.0+0x2c7/0x460
       ctx_sched_out+0x8f1/0xc10
       __perf_event_task_sched_out+0x6d0/0x18d0
       __schedule+0xedd/0x2470
       schedule+0xda/0x1b0
       exit_to_user_mode_prepare+0x114/0x1a0
       syscall_exit_to_user_mode+0x19/0x40
       do_syscall_64+0x48/0x90
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

other info that might help us debug this:

Chain exists of:
  (console_sem).lock --> &rq->__lock --> &ctx->lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ctx->lock);
                               lock(&rq->__lock);
                               lock(&ctx->lock);
  lock((console_sem).lock);

 *** DEADLOCK ***

2 locks held by syz-executor.0/6469:
 #0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
 #1: ffff88800e1eac20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0

stack backtrace:
CPU: 0 PID: 6469 Comm: syz-executor.0 Not tainted 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 check_noncircular+0x263/0x2e0
 __lock_acquire+0x2a02/0x5e70
 lock_acquire+0x1a2/0x530
 _raw_spin_lock_irqsave+0x39/0x60
 down_trylock+0xe/0x70
 __down_trylock_console_sem+0x3b/0xd0
 vprintk_emit+0x16b/0x560
 vprintk+0x84/0xa0
 _printk+0xba/0xf1
 report_bug.cold+0x72/0xab
 handle_bug+0x3c/0x70
 exc_invalid_op+0x14/0x50
 asm_exc_invalid_op+0x16/0x20
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88802ecc7c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801db01ac0 RSI: ffffffff81566da7 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b601b R12: ffff88800e1eac00
R13: ffff88806ce3d2c0 R14: ffffffff8547d040 R15: 0000000000000002
 ctx_sched_out+0x8f1/0xc10
 __perf_event_task_sched_out+0x6d0/0x18d0
 __schedule+0xedd/0x2470
 schedule+0xda/0x1b0
 exit_to_user_mode_prepare+0x114/0x1a0
 syscall_exit_to_user_mode+0x19/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efc6f872b19
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:00007efc6cde8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007efc6f985f68 RCX: 00007efc6f872b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007efc6f985f6c
RBP: 00007efc6f985f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007efc6f985f6c
R13: 00007fffc90eca6f R14: 00007efc6cde8300 R15: 0000000000022000
 </TASK>
WARNING: CPU: 0 PID: 6469 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 0 PID: 6469 Comm: syz-executor.0 Not tainted 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88802ecc7c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801db01ac0 RSI: ffffffff81566da7 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b601b R12: ffff88800e1eac00
R13: ffff88806ce3d2c0 R14: ffffffff8547d040 R15: 0000000000000002
FS:  00007efc6cde8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d3bcfc000 CR3: 000000002ff46000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ctx_sched_out+0x8f1/0xc10
 __perf_event_task_sched_out+0x6d0/0x18d0
 __schedule+0xedd/0x2470
 schedule+0xda/0x1b0
 exit_to_user_mode_prepare+0x114/0x1a0
 syscall_exit_to_user_mode+0x19/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efc6f872b19
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:00007efc6cde8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007efc6f985f68 RCX: 00007efc6f872b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007efc6f985f6c
RBP: 00007efc6f985f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007efc6f985f6c
R13: 00007fffc90eca6f R14: 00007efc6cde8300 R15: 0000000000022000
 </TASK>
irq event stamp: 798
hardirqs last  enabled at (797): [<ffffffff8133f829>] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (798): [<ffffffff84260bc5>] __schedule+0x1225/0x2470
softirqs last  enabled at (560): [<ffffffff81170a0b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (551): [<ffffffff81170a0b>] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
hrtimer: interrupt took 16421 ns
syz_tun: mtu greater than device maximum
loop4: detected capacity change from 0 to 130
loop2: detected capacity change from 0 to 368
syz_tun: mtu greater than device maximum
loop4: detected capacity change from 0 to 136
loop5: detected capacity change from 0 to 5168
loop2: detected capacity change from 0 to 608
loop0: detected capacity change from 0 to 184
syz_tun: mtu greater than device maximum
loop4: detected capacity change from 0 to 1298
loop0: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 1304
syz_tun: mtu greater than device maximum
loop4: detected capacity change from 0 to 1298
loop6: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 1298
loop7: detected capacity change from 0 to 5392
loop3: detected capacity change from 0 to 1348
loop0: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 1298
loop7: detected capacity change from 0 to 352
loop0: detected capacity change from 0 to 184
loop6: detected capacity change from 0 to 180
loop2: detected capacity change from 0 to 128
loop3: detected capacity change from 0 to 132
loop1: detected capacity change from 0 to 592
loop7: detected capacity change from 0 to 344
loop6: detected capacity change from 0 to 180
loop7: detected capacity change from 0 to 1300
loop4: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 1294
loop3: detected capacity change from 0 to 5152
loop5: detected capacity change from 0 to 360
loop2: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 180
loop2: detected capacity change from 0 to 128
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
loop6: detected capacity change from 0 to 180
loop3: detected capacity change from 0 to 5152
loop3: detected capacity change from 0 to 5152
loop6: detected capacity change from 0 to 5408
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
loop5: detected capacity change from 0 to 368
loop3: detected capacity change from 0 to 5152
loop5: detected capacity change from 0 to 136
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
loop6: detected capacity change from 0 to 5408
loop5: detected capacity change from 0 to 136
loop2: detected capacity change from 0 to 1298
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
loop1: detected capacity change from 0 to 608
loop6: detected capacity change from 0 to 5408
loop3: detected capacity change from 0 to 184
loop5: detected capacity change from 0 to 136
loop0: detected capacity change from 0 to 5168
loop7: detected capacity change from 0 to 1304
loop4: detected capacity change from 0 to 1352
loop2: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 5392
loop5: detected capacity change from 0 to 136
loop3: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 1304
loop6: detected capacity change from 0 to 5408
loop3: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 5392
loop7: detected capacity change from 0 to 1304
loop2: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 312
loop4: detected capacity change from 0 to 764
loop3: detected capacity change from 0 to 128
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop1: detected capacity change from 0 to 128
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop7: detected capacity change from 0 to 1304
loop2: detected capacity change from 0 to 1294
loop0: detected capacity change from 0 to 5392
loop1: detected capacity change from 0 to 128
loop3: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 5152
loop6: detected capacity change from 0 to 1348
loop2: detected capacity change from 0 to 360
loop5: detected capacity change from 0 to 1300
loop4: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 360
loop0: detected capacity change from 0 to 5392
loop6: detected capacity change from 0 to 1348
loop2: detected capacity change from 0 to 360
loop5: detected capacity change from 0 to 130
loop7: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 360
loop4: detected capacity change from 0 to 344
loop5: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 1348
loop1: detected capacity change from 0 to 3528
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop3: detected capacity change from 0 to 2320
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop7: detected capacity change from 0 to 736
ISO 9660 Extensions: RRIP_1991A
loop4: detected capacity change from 0 to 256
loop5: detected capacity change from 0 to 3520
loop7: detected capacity change from 0 to 760
loop1: detected capacity change from 0 to 3528
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISOFS: changing to secondary root
loop3: detected capacity change from 0 to 264
ISO 9660 Extensions: RRIP_1991A
loop6: detected capacity change from 0 to 1348
loop5: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 3528
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop0: detected capacity change from 0 to 5392
loop5: detected capacity change from 0 to 1304
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 7126 Comm: syz-executor.7 Tainted: G        W          6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc3c0b84b19
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:00007fc3be0f9f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc3c0b84b19
RDX: 000000000000d000 RSI: 0000000000000000 RDI: 00007fc3c0bde0fb
RBP: 0000000000000008 R08: 0000000000006800 R09: ffffffffffffffff
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010d00
 </TASK>
loop1: detected capacity change from 0 to 3528
loop4: detected capacity change from 0 to 5408
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop3: detected capacity change from 0 to 128
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7133 Comm: syz-executor.5 Tainted: G        W          6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3889732b19
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:00007f3886ca7f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3889732b19
RDX: 00000000000a3000 RSI: 0000000000000000 RDI: 00007f388978c0fb
RBP: 000000000000000a R08: 0000000000051800 R09: ffffffffffffffff
R10: 000000000000000a R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000000a3000 R15: 0000000020010f00
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7135 Comm: syz-executor.3 Tainted: G        W          6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff39d3d6b19
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:00007ff39a94bf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007ff39d3d6b19
RDX: 000000000000e800 RSI: 0000000000000000 RDI: 00007ff39d4300fb
RBP: 000000000000000c R08: 0000000000007400 R09: ffffffffffffffff
R10: 000000000000000c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020011100
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7138 Comm: syz-executor.0 Tainted: G        W          6.0.0-next-20221005 #1
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efc6f872b19
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:00007efc6cde7f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007efc6f872b19
RDX: 00000000002a2000 RSI: 0000000000000000 RDI: 00007efc6f8cc0fb
RBP: 000000000000000b R08: 0000000000151000 R09: ffffffffffffffff
R10: 000000000000000b R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000002a2000 R15: 0000000020011000
 </TASK>
CPU: 1 PID: 7141 Comm: syz-executor.4 Tainted: G        W          6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0232357b19
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:00007f022f8ccf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f0232357b19
RDX: 00000000002a4000 RSI: 0000000000000000 RDI: 00007f02323b10fb
RBP: 000000000000000d R08: 0000000000152000 R09: ffffffffffffffff
R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000002a4000 R15: 0000000020011200
 </TASK>
loop6: detected capacity change from 0 to 732
loop7: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 1304
loop2: detected capacity change from 0 to 360
loop6: detected capacity change from 0 to 732
loop3: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 5392
loop7: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 732
loop5: detected capacity change from 0 to 1304
loop4: detected capacity change from 0 to 5408
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7183 Comm: syz-executor.2 Tainted: G        W          6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 should_fail.cold+0x5/0xa
 _copy_from_user+0x2a/0x170
 __do_sys_memfd_create+0x103/0x4e0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe6ff0f4b19
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:00007fe6fc669f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fe6ff0f4b19
RDX: 000000000002d000 RSI: 0000000000000000 RDI: 00007fe6ff14e0fb
RBP: 000000000000000d R08: 0000000000016800 R09: ffffffffffffffff
R10: 000000000000000d R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000002d000 R15: 0000000020011200
 </TASK>
loop1: detected capacity change from 0 to 2560
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir111562361/syzkaller.RzOyjr/28/file0 supports timestamps until 2038 (0x7fffffff)
loop3: detected capacity change from 0 to 128
EXT4-fs (loop1): unmounting filesystem.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop1): unmounting filesystem.
loop6: detected capacity change from 0 to 732
loop0: detected capacity change from 0 to 5392
loop7: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 1304
loop2: detected capacity change from 0 to 360
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop1): unmounting filesystem.
loop3: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 5408
loop1: detected capacity change from 0 to 512
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem.
loop0: detected capacity change from 0 to 5392
EXT4-fs (loop1): unmounting filesystem.