audit: type=1400 audit(1663160779.250:8): avc: denied { kernel } for pid=3765 comm="syz-executor.3" 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-rc5-next-20220914 #1 Not tainted
------------------------------------------------------
syz-executor.3/3766 is trying to acquire lock:
ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff88800f326020 (&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+0x4c1/0x4e6
secondary_startup_64_no_verify+0xe0/0xeb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
_raw_spin_lock_irqsave+0x39/0x60
try_to_wake_up+0xab/0x1920
up+0x75/0xb0
__up_console_sem+0x6e/0x80
console_unlock+0x46a/0x590
vt_ioctl+0x2822/0x2ca0
tty_ioctl+0x7c4/0x1700
__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.3/3766:
#0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88800f326020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 0 PID: 3766 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88801f2afc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880408f5040 RSI: ffffffff81566027 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800f326000
R13: ffff88806ce3d100 R14: ffffffff8547c660 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: 0033:0x7fb3b7002b19
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:00007fb3b4578218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fb3b7115f68 RCX: 00007fb3b7002b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb3b7115f6c
RBP: 00007fb3b7115f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fb3b7115f6c
R13: 00007ffdfc7166bf R14: 00007fb3b4578300 R15: 0000000000022000
WARNING: CPU: 0 PID: 3766 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 0 PID: 3766 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88801f2afc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880408f5040 RSI: ffffffff81566027 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800f326000
R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002
FS: 00007fb3b4578700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562430948ad8 CR3: 000000001f050000 CR4: 0000000000350ef0
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: 0033:0x7fb3b7002b19
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:00007fb3b4578218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fb3b7115f68 RCX: 00007fb3b7002b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb3b7115f6c
RBP: 00007fb3b7115f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007fb3b7115f6c
R13: 00007ffdfc7166bf R14: 00007fb3b4578300 R15: 0000000000022000
irq event stamp: 740
hardirqs last enabled at (739): [] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (740): [] __schedule+0x1225/0x2470
softirqs last enabled at (508): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (375): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop7: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 264192
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
tmpfs: Bad value for 'mpol'
hrtimer: interrupt took 19476 ns
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
tmpfs: Bad value for 'mpol'
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
device lo entered promiscuous mode
misc raw-gadget: fail, usb_gadget_register_driver returned -16
misc raw-gadget: fail, usb_gadget_register_driver returned -16
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device lo left promiscuous mode
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
device lo entered promiscuous mode
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
loop0: detected capacity change from 0 to 132
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop6: detected capacity change from 0 to 352
device syz_tun entered promiscuous mode
misc raw-gadget: fail, usb_gadget_register_driver returned -16
device syz_tun left promiscuous mode
device lo left promiscuous mode
loop5: detected capacity change from 0 to 592
loop7: detected capacity change from 0 to 180
loop7: detected capacity change from 0 to 180
loop3: detected capacity change from 0 to 136
loop5: detected capacity change from 0 to 184
loop0: detected capacity change from 0 to 608
loop6: detected capacity change from 0 to 1298
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop5: detected capacity change from 0 to 264192
loop6: detected capacity change from 0 to 1298
loop0: detected capacity change from 0 to 1304
loop3: detected capacity change from 0 to 5168
loop7: detected capacity change from 0 to 180
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop2: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 5408
loop7: detected capacity change from 0 to 180
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 1298
loop3: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 264192
loop6: detected capacity change from 0 to 1298
loop3: detected capacity change from 0 to 264192
loop0: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 5408
loop2: detected capacity change from 0 to 1352
loop5: detected capacity change from 0 to 264192
loop3: detected capacity change from 0 to 264192
loop5: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 5408
loop0: detected capacity change from 0 to 128
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
loop2: detected capacity change from 0 to 1352
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop7: detected capacity change from 0 to 360
loop3: detected capacity change from 0 to 264192
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 368
loop7: detected capacity change from 0 to 130
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 180
loop3: detected capacity change from 0 to 2048
loop4: detected capacity change from 0 to 5408
loop1: detected capacity change from 0 to 592
EXT4-fs (loop3): inodes count not valid: 196640 vs 32
loop2: detected capacity change from 0 to 1352
loop0: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop3): inodes count not valid: 196640 vs 32
loop6: detected capacity change from 0 to 344
loop3: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 592
EXT4-fs (loop3): inodes count not valid: 196640 vs 32
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 1294
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop3): inodes count not valid: 196640 vs 32
loop6: detected capacity change from 0 to 5152
loop1: detected capacity change from 0 to 592
loop6: detected capacity change from 0 to 1300
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
syz-executor.7 (4228) used greatest stack depth: 24472 bytes left
loop1: detected capacity change from 0 to 592
loop3: detected capacity change from 0 to 2048
loop6: detected capacity change from 0 to 1348
EXT4-fs (loop3): inodes count not valid: 196640 vs 32
loop2: detected capacity change from 0 to 5392
loop4: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 40
loop6: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
loop0: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 5392
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
loop0: detected capacity change from 0 to 128
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
loop4: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 5392
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
loop6: detected capacity change from 0 to 40
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
loop1: detected capacity change from 0 to 344
loop0: detected capacity change from 0 to 128
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
loop4: detected capacity change from 0 to 40
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop4, logical block 10, lost async page write
loop2: detected capacity change from 0 to 5392
loop0: detected capacity change from 0 to 352
loop7: detected capacity change from 0 to 40
loop6: detected capacity change from 0 to 40
loop3: detected capacity change from 0 to 132
loop1: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 184
syz-executor.6: attempt to access beyond end of device
loop6: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop6, logical block 10, lost async page write
loop3: detected capacity change from 0 to 608
loop0: detected capacity change from 0 to 1298
loop1: detected capacity change from 0 to 128
syz-executor.7: attempt to access beyond end of device
loop7: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop7, logical block 10, lost async page write
loop1: detected capacity change from 0 to 128
loop3: detected capacity change from 0 to 360
loop4: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 130
loop1: detected capacity change from 0 to 136
loop4: detected capacity change from 0 to 184
loop3: detected capacity change from 0 to 368
loop2: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 5168
loop6: detected capacity change from 0 to 1304
loop3: detected capacity change from 0 to 1352
loop1: detected capacity change from 0 to 5408
loop6: detected capacity change from 0 to 128
loop4: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 5152
loop3: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 1294
loop2: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 736
loop0: detected capacity change from 0 to 256
loop3: detected capacity change from 0 to 264
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: RRIP_1991A
loop1: detected capacity change from 0 to 3520
loop3: detected capacity change from 0 to 760
loop6: detected capacity change from 0 to 312
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop0: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop4: detected capacity change from 0 to 1300
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
loop3: detected capacity change from 0 to 1348
loop2: detected capacity change from 0 to 3520
loop6: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 764
ISO 9660 Extensions: Microsoft Joliet Level 3
loop0: detected capacity change from 0 to 5392
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop3: detected capacity change from 0 to 320
loop1: detected capacity change from 0 to 764
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: RRIP_1991A
loop6: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop2: detected capacity change from 0 to 3504
loop4: detected capacity change from 0 to 184
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
loop3: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 4096
loop7: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 764
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir728281722/syzkaller.MMoFLb/32/file0 supports timestamps until 2038 (0x7fffffff)
loop2: detected capacity change from 0 to 2048
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 4443 Comm: syz-executor.4 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7feb41d9fb19
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:00007feb3f314f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007feb41d9fb19
RDX: 0000000000017000 RSI: 0000000000000000 RDI: 00007feb41df90fb
RBP: 000000000000000e R08: 000000000000b800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000017000 R15: 0000000020011300
loop0: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
loop5: detected capacity change from 0 to 4096
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
loop3: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 2048
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
loop5: detected capacity change from 0 to 4096
loop2: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 4728
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
ISO 9660 Extensions: Microsoft Joliet Level 3
loop3: detected capacity change from 0 to 512
ISOFS: changing to secondary root
loop6: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 2048
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop4: detected capacity change from 0 to 184
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
loop2: detected capacity change from 0 to 2048
EXT4-fs (loop1): unmounting filesystem.
loop7: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
loop3: detected capacity change from 0 to 512
EXT4-fs (loop6): unmounting filesystem.
loop1: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
loop0: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
ISOFS: changing to secondary root
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
loop4: detected capacity change from 0 to 184
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop6): 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.
loop4: detected capacity change from 0 to 184
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
loop2: detected capacity change from 0 to 512
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
loop3: detected capacity change from 0 to 640
loop5: detected capacity change from 0 to 4096
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir207445055/syzkaller.mz2XkX/44/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop1): unmounting filesystem.
loop5: detected capacity change from 0 to 4096
EXT4-fs (loop2): unmounting filesystem.
loop4: detected capacity change from 0 to 184
loop3: detected capacity change from 0 to 2560
EXT4-fs (loop5): 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.
ext4 filesystem being mounted at /syzkaller-testdir207445055/syzkaller.mz2XkX/45/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem.
loop5: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
loop3: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir207445055/syzkaller.mz2XkX/46/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 732
loop2: detected capacity change from 0 to 3520
loop3: detected capacity change from 0 to 2560
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ext4 filesystem being mounted at /syzkaller-testdir207445055/syzkaller.mz2XkX/47/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 184
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
loop2: 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 2560
ext4 filesystem being mounted at /syzkaller-testdir207445055/syzkaller.mz2XkX/48/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: 4591 Comm: syz-executor.4 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7feb41d52ab7
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:00007feb3f314f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007feb41de9970 RCX: 00007feb41d52ab7
RDX: 00000000000000e0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop4: detected capacity change from 0 to 184
loop2: detected capacity change from 0 to 2320
ISO 9660 Extensions: Microsoft Joliet Level 3
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
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4601 Comm: syz-executor.4 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7feb41d52ab7
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:00007feb3f314f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007feb41de9970 RCX: 00007feb41d52ab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
loop6: detected capacity change from 0 to 2048
loop4: detected capacity change from 0 to 184
loop7: 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: 4612 Comm: syz-executor.4 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7feb41d52ab7
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:00007feb3f314f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007feb41de9970 RCX: 00007feb41d52ab7
RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000000e R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000003e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4615 Comm: syz-executor.6 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7fcba7d77b19
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:00007fcba52ecf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fcba7d77b19
RDX: 0000000000060000 RSI: 0000000000000000 RDI: 00007fcba7dd10fb
RBP: 000000000000002a R08: 0000000000030000 R09: ffffffffffffffff
R10: 000000000000002a R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000100000 R15: 0000000020013e00
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4616 Comm: syz-executor.0 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7f88ea1d1b19
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:00007f88e7746f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f88ea1d1b19
RDX: 000000000024f000 RSI: 0000000000000000 RDI: 00007f88ea22b0fb
RBP: 00000000000000e2 R08: 0000000000127800 R09: ffffffffffffffff
R10: 00000000000000e2 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000024f000 R15: 000000002001fa00
loop2: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop4: detected capacity change from 0 to 184
CPU: 1 PID: 4620 Comm: syz-executor.7 Tainted: G W 6.0.0-rc5-next-20220914 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 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: 0033:0x7f98d2123b19
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:00007f98cf698f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f98d2123b19
RDX: 0000000000014000 RSI: 0000000000000000 RDI: 00007f98d217d0fb
RBP: 0000000000000013 R08: 000000000000a000 R09: ffffffffffffffff
R10: 0000000000000013 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800