audit: type=1400 audit(1665056094.719:8): avc: denied { kernel } for pid=4014 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-20221006 #1 Not tainted
------------------------------------------------------
syz-executor.0/4018 is trying to acquire lock:
ffffffff853fac98 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff88803d822c20 (&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
do_con_write+0xc05/0x1d50
con_write+0x21/0x40
n_tty_write+0x4d4/0xfe0
file_tty_write.constprop.0+0x455/0x8a0
vfs_write+0x9c3/0xd90
ksys_write+0x127/0x250
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.0/4018:
#0: ffff88806cf37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88803d822c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 1 PID: 4018 Comm: syz-executor.0 Not tainted 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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 5b a5 ef ff e8 56 a5 ef ff 65 8b 1d 1b fe ab 7e 31 ff 89 de e8 f6 a1 ef ff 85 db 0f 84 8a 00 00 00 e8 39 a5 ef ff <0f> 0b e9 a5 fe ff ff e8 2d a5 ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88803ea0fc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803cfc8000 RSI: ffffffff815677b7 RDI: 0000000000000005
RBP: ffff88800c529158 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803d822c00
R13: ffff88806cf3d2c0 R14: ffffffff8547cb60 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: 0033:0x7f2264f07b19
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:00007f226247d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f226501af68 RCX: 00007f2264f07b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f226501af6c
RBP: 00007f226501af60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f226501af6c
R13: 00007ffd68af471f R14: 00007f226247d300 R15: 0000000000022000
WARNING: CPU: 1 PID: 4018 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 1 PID: 4018 Comm: syz-executor.0 Not tainted 6.0.0-next-20221006 #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 5b a5 ef ff e8 56 a5 ef ff 65 8b 1d 1b fe ab 7e 31 ff 89 de e8 f6 a1 ef ff 85 db 0f 84 8a 00 00 00 e8 39 a5 ef ff <0f> 0b e9 a5 fe ff ff e8 2d a5 ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88803ea0fc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803cfc8000 RSI: ffffffff815677b7 RDI: 0000000000000005
RBP: ffff88800c529158 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803d822c00
R13: ffff88806cf3d2c0 R14: ffffffff8547cb60 R15: 0000000000000002
FS: 00007f226247d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f265c604018 CR3: 000000001e086000 CR4: 0000000000350ee0
Call Trace:
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: 0033:0x7f2264f07b19
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:00007f226247d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f226501af68 RCX: 00007f2264f07b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f226501af6c
RBP: 00007f226501af60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f226501af6c
R13: 00007ffd68af471f R14: 00007f226247d300 R15: 0000000000022000
irq event stamp: 586
hardirqs last enabled at (585): [] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (586): [] __schedule+0x1225/0x2470
softirqs last enabled at (420): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (411): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop7: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 344
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 352
loop1: detected capacity change from 0 to 132
hrtimer: interrupt took 17874 ns
loop0: detected capacity change from 0 to 256
loop3: detected capacity change from 0 to 736
ISO 9660 Extensions: RRIP_1991A
loop6: detected capacity change from 0 to 3520
loop7: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 264
ISO 9660 Extensions: RRIP_1991A
loop0: detected capacity change from 0 to 760
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
loop3: detected capacity change from 0 to 736
ISOFS: changing to secondary root
loop0: detected capacity change from 0 to 320
ISO 9660 Extensions: RRIP_1991A
loop6: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: RRIP_1991A
loop3: detected capacity change from 0 to 736
ISO 9660 Extensions: RRIP_1991A
loop5: detected capacity change from 0 to 3504
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop0: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop6: detected capacity change from 0 to 3520
loop7: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: RRIP_1991A
loop3: detected capacity change from 0 to 736
ISO 9660 Extensions: RRIP_1991A
loop0: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop6: detected capacity change from 0 to 3520
loop1: detected capacity change from 0 to 3528
loop2: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 3504
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop6: detected capacity change from 0 to 3520
loop0: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 3504
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop1: detected capacity change from 0 to 764
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop2: 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 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
loop4: detected capacity change from 0 to 312
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 3504
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 3520
loop1: detected capacity change from 0 to 145
loop0: detected capacity change from 0 to 4728
sit: non-ECT from 0.0.0.156 with TOS=0x2
sit: non-ECT from 0.0.0.156 with TOS=0x2
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISOFS: changing to secondary root
loop1: detected capacity change from 0 to 145
sit: non-ECT from 0.0.0.156 with TOS=0x2
sit: non-ECT from 0.0.0.156 with TOS=0x2
loop4: detected capacity change from 0 to 128
sit: non-ECT from 0.0.0.156 with TOS=0x2
loop6: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 4247 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7f5528cefb19
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:00007f5526264f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f5528cefb19
RDX: 000000000000d000 RSI: 0000000000000000 RDI: 00007f5528d490fb
RBP: 0000000000000008 R08: 0000000000006800 R09: ffffffffffffffff
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010d00
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem.
loop4: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 4096
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem.
loop6: detected capacity change from 0 to 4096
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: none.
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop4: detected capacity change from 0 to 128
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
loop6: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 512
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
loop5: detected capacity change from 0 to 512
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir771932546/syzkaller.TEX1ph/20/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
loop5: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 128
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): unmounting filesystem.
loop0: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 128
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir906099358/syzkaller.bxkXKA/17/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
loop2: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop0): unmounting filesystem.
loop1: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 512
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem.
ext4 filesystem being mounted at /syzkaller-testdir510983473/syzkaller.rBgQT2/23/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
loop4: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 1024
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
loop2: detected capacity change from 0 to 512
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir906099358/syzkaller.bxkXKA/18/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
loop1: detected capacity change from 0 to 1024
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir510983473/syzkaller.rBgQT2/24/file0 supports timestamps until 2038 (0x7fffffff)
loop3: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
CPU: 0 PID: 4360 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000040 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
ext4 filesystem being mounted at /syzkaller-testdir906099358/syzkaller.bxkXKA/19/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
loop2: detected capacity change from 0 to 512
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
loop4: detected capacity change from 0 to 128
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
loop0: detected capacity change from 0 to 1024
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir906099358/syzkaller.bxkXKA/20/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem.
loop6: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 512
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
loop2: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4393 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000020 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir771932546/syzkaller.TEX1ph/25/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/23/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
loop4: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 2048
loop5: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/24/file0 supports timestamps until 2038 (0x7fffffff)
loop2: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/25/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4426 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7f7bdc47cb19
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
loop5: detected capacity change from 0 to 512
RSP: 002b:00007f7bd99f1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f7bdc47cb19
RDX: 0000000000038000 RSI: 0000000000000000 RDI: 00007f7bdc4d60fb
loop4: detected capacity change from 0 to 128
RBP: 000000000000002c R08: 000000000001c000 R09: ffffffffffffffff
R10: 000000000000002c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000080000 R15: 0000000020013800
loop6: detected capacity change from 0 to 4096
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/26/file0 supports timestamps until 2038 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4437 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop1: detected capacity change from 0 to 2560
loop4: detected capacity change from 0 to 128
ext4 filesystem being mounted at /syzkaller-testdir510983473/syzkaller.rBgQT2/27/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4448 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000120 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop1: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4450 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7f265c4f0b19
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:00007f2659a65f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f265c4f0b19
RDX: 00000000000a0000 RSI: 0000000000000000 RDI: 00007f265c54a0fb
RBP: 0000000000000015 R08: 0000000000050000 R09: ffffffffffffffff
R10: 0000000000000015 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000200000 R15: 0000000020013a00
loop4: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 4096
loop7: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4469 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000080 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop1: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 128
loop3: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 4096
loop3: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4506 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000420 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop4: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4520 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
loop7: detected capacity change from 0 to 1024
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
loop2: detected capacity change from 0 to 2048
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000020 RSI: 0000000020010b00 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop6: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 128
ext4 filesystem being mounted at /syzkaller-testdir328862347/syzkaller.zxjwHV/28/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 2048
loop4: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 640
loop7: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4553 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
loop2: detected capacity change from 0 to 4096
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f5526264f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2ab7
RDX: 0000000000000080 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000006800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/28/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 640
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/29/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 4096
loop2: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 640
loop7: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/30/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 4096
loop3: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 640
loop2: detected capacity change from 0 to 4096
ext4 filesystem being mounted at /syzkaller-testdir693641319/syzkaller.NIWNUJ/31/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 4096
loop7: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4615 Comm: syz-executor.4 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
strncpy_from_user+0x34/0x3e0
getname_flags.part.0+0x95/0x4f0
getname+0x8e/0xd0
do_sys_openat2+0xf9/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5528ca2a04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f5526264ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5528d39970 RCX: 00007f5528ca2a04
RDX: 0000000000000002 RSI: 00007f5526265000 RDI: 00000000ffffff9c
RBP: 00007f5526265000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
EXT4-fs (loop7): VFS: Can't find ext4 filesystem
loop1: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4633 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bdc42fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f7bd99f1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f7bdc4c6970 RCX: 00007f7bdc42fab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000002c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop7: detected capacity change from 0 to 1024
loop6: detected capacity change from 0 to 4096
EXT4-fs (loop6): VFS: Can't find ext4 filesystem
loop1: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4643 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f265c4a3ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f2659a65f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f265c53a970 RCX: 00007f265c4a3ab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000015 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop6: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 128
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4650 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bdc42fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f7bd99f1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f7bdc4c6970 RCX: 00007f7bdc42fab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 000000000000002c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
loop7: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop4: detected capacity change from 0 to 128
CPU: 0 PID: 4667 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f265c4a3ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f2659a65f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f265c53a970 RCX: 00007f265c4a3ab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000015 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4669 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bdc42fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f7bd99f1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f7bdc4c6970 RCX: 00007f7bdc42fab7
RDX: 0000000000000040 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000002c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000540 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop6: detected capacity change from 0 to 4096
loop7: detected capacity change from 0 to 1024
loop4: 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: 4681 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bdc42fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f7bd99f1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f7bdc4c6970 RCX: 00007f7bdc42fab7
RDX: 0000000000000020 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 000000000000002c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000640 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4682 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
loop7: detected capacity change from 0 to 1024
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f265c4a3ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f2659a65f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f265c53a970 RCX: 00007f265c4a3ab7
RDX: 0000000000000040 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000015 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000540 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop6: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4688 Comm: syz-executor.7 Tainted: G W 6.0.0-next-20221006 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bdc42fab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f7bd99f1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f7bdc4c6970 RCX: 00007f7bdc42fab7
RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000002c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
loop4: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 1024