audit: type=1400 audit(1663596795.562:8): avc: denied { kernel } for pid=3794 comm="syz-executor.4" 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-rc6-next-20220919 #1 Not tainted
------------------------------------------------------
syz-executor.4/3795 is trying to acquire lock:
ffffffff853fa838 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff888009883420 (&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
futex_wait_queue+0xf5/0x1e0
futex_wait+0x28e/0x690
do_futex+0x2ff/0x380
__x64_sys_futex+0x1c6/0x4d0
do_syscall_64+0x3b/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
do_con_write+0xc05/0x1d50
con_write+0x21/0x40
n_tty_write+0x4d4/0xfe0
file_tty_write.constprop.0+0x49c/0x8f0
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
futex_wait_queue+0xf5/0x1e0
futex_wait+0x28e/0x690
do_futex+0x2ff/0x380
__x64_sys_futex+0x1c6/0x4d0
do_syscall_64+0x3b/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.4/3795:
#0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff888009883420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 0 PID: 3795 Comm: syz-executor.4 Not tainted 6.0.0-rc6-next-20220919 #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 5b 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:ffff888040edf8f8 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801ec18000 RSI: ffffffff81566077 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888009883400
R13: ffff88806ce3d140 R14: ffffffff8547c620 R15: 0000000000000002
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
futex_wait_queue+0xf5/0x1e0
futex_wait+0x28e/0x690
do_futex+0x2ff/0x380
__x64_sys_futex+0x1c6/0x4d0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbb04accb19
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:00007fbb02042218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fbb04bdff68 RCX: 00007fbb04accb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbb04bdff68
RBP: 00007fbb04bdff60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb04bdff6c
R13: 00007fff00881d6f R14: 00007fbb02042300 R15: 0000000000022000
WARNING: CPU: 0 PID: 3795 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 0 PID: 3795 Comm: syz-executor.4 Not tainted 6.0.0-rc6-next-20220919 #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 5b 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:ffff888040edf8f8 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801ec18000 RSI: ffffffff81566077 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff888009883400
R13: ffff88806ce3d140 R14: ffffffff8547c620 R15: 0000000000000002
FS: 00007fbb02042700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cf5167368 CR3: 0000000010382000 CR4: 0000000000350ef0
Call Trace:
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
futex_wait_queue+0xf5/0x1e0
futex_wait+0x28e/0x690
do_futex+0x2ff/0x380
__x64_sys_futex+0x1c6/0x4d0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbb04accb19
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:00007fbb02042218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fbb04bdff68 RCX: 00007fbb04accb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbb04bdff68
RBP: 00007fbb04bdff60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb04bdff6c
R13: 00007fff00881d6f R14: 00007fbb02042300 R15: 0000000000022000
irq event stamp: 932
hardirqs last enabled at (931): [] syscall_enter_from_user_mode+0x1d/0x50
hardirqs last disabled at (932): [] __schedule+0x1225/0x2470
softirqs last enabled at (682): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (673): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop2: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 128
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
loop2: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 344
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
loop6: detected capacity change from 0 to 352
loop2: detected capacity change from 0 to 128
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
loop2: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 128
loop3: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 312
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 360
loop6: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 368
loop3: detected capacity change from 0 to 130
loop5: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 360
loop2: detected capacity change from 0 to 2320
loop6: detected capacity change from 0 to 1300
loop5: detected capacity change from 0 to 1348
ISO 9660 Extensions: Microsoft Joliet Level 3
loop7: detected capacity change from 0 to 128
ISO 9660 Extensions: RRIP_1991A
loop1: detected capacity change from 0 to 360
loop3: detected capacity change from 0 to 5392
loop2: detected capacity change from 0 to 736
ISO 9660 Extensions: RRIP_1991A
loop5: detected capacity change from 0 to 1348
loop6: detected capacity change from 0 to 256
loop7: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 360
loop0: detected capacity change from 0 to 264
loop3: detected capacity change from 0 to 3520
loop4: detected capacity change from 0 to 760
ISO 9660 Extensions: RRIP_1991A
loop2: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop6: 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 2304
loop4: detected capacity change from 0 to 760
loop5: detected capacity change from 0 to 1348
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
loop3: detected capacity change from 0 to 3528
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop6: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
loop4: detected capacity change from 0 to 760
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop3: detected capacity change from 0 to 3520
loop6: detected capacity change from 0 to 320
loop2: detected capacity change from 0 to 3520
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 1348
loop7: 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 512
loop4: detected capacity change from 0 to 760
loop3: detected capacity change from 0 to 4728
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
loop7: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir280997874/syzkaller.8CbbsJ/13/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop0): unmounting filesystem.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none.
loop4: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
loop5: detected capacity change from 0 to 640
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir797049141/syzkaller.DVG4oa/10/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop3): unmounting filesystem.
loop7: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 512
EXT4-fs (loop4): unmounting filesystem.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir280997874/syzkaller.8CbbsJ/14/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
loop6: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 640
loop2: detected capacity change from 0 to 1024
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
loop3: detected capacity change from 0 to 4096
ext4 filesystem being mounted at /syzkaller-testdir797049141/syzkaller.DVG4oa/11/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/13/file0 supports timestamps until 2038 (0x7fffffff)
loop7: detected capacity change from 0 to 512
EXT4-fs (loop5): unmounting filesystem.
loop0: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop4): unmounting filesystem.
ext4 filesystem being mounted at /syzkaller-testdir280997874/syzkaller.8CbbsJ/15/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
loop3: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 512
EXT4-fs (loop1): 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: none.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
loop0: detected capacity change from 0 to 512
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop7): unmounting filesystem.
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/14/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
loop5: detected capacity change from 0 to 640
ext4 filesystem being mounted at /syzkaller-testdir280997874/syzkaller.8CbbsJ/16/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop3): unmounting filesystem.
ext4 filesystem being mounted at /syzkaller-testdir797049141/syzkaller.DVG4oa/12/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop4): unmounting filesystem.
loop2: detected capacity change from 0 to 2048
loop6: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 512
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
loop5: detected capacity change from 0 to 640
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none.
loop4: detected capacity change from 0 to 2560
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir797049141/syzkaller.DVG4oa/13/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/15/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
loop7: detected capacity change from 0 to 732
EXT4-fs (loop3): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop4): unmounting filesystem.
loop7: detected capacity change from 0 to 2560
loop4: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/16/file0 supports timestamps until 2038 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/14/file0 supports timestamps until 2038 (0x7fffffff)
loop1: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/17/file0 supports timestamps until 2038 (0x7fffffff)
loop7: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/15/file0 supports timestamps until 2038 (0x7fffffff)
loop1: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/18/file0 supports timestamps until 2038 (0x7fffffff)
loop7: detected capacity change from 0 to 2560
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/16/file0 supports timestamps until 2038 (0x7fffffff)
hrtimer: interrupt took 18174 ns
loop1: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 2560
loop5: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 2048
loop3: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/17/file0 supports timestamps until 2038 (0x7fffffff)
loop1: detected capacity change from 0 to 4096
ext4 filesystem being mounted at /syzkaller-testdir530627778/syzkaller.Ko7Ukb/16/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir136889306/syzkaller.AxnBFW/20/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 2048
loop2: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir136889306/syzkaller.AxnBFW/21/file0 supports timestamps until 2038 (0x7fffffff)
loop6: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 512
loop5: detected capacity change from 0 to 1024
loop4: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir797049141/syzkaller.DVG4oa/16/file0 supports timestamps until 2038 (0x7fffffff)
loop3: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir136889306/syzkaller.AxnBFW/22/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 512
loop2: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir136889306/syzkaller.AxnBFW/23/file0 supports timestamps until 2038 (0x7fffffff)
loop2: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/18/file0 supports timestamps until 2038 (0x7fffffff)
loop4: detected capacity change from 0 to 2048
loop0: detected capacity change from 0 to 1024
loop6: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/19/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1024
loop3: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/31/file0 supports timestamps until 2038 (0x7fffffff)
loop6: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 512
loop7: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 2048
loop5: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/20/file0 supports timestamps until 2038 (0x7fffffff)
loop3: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/32/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 2048
loop7: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/21/file0 supports timestamps until 2038 (0x7fffffff)
loop2: detected capacity change from 0 to 2048
loop5: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 2048
loop1: detected capacity change from 0 to 640
loop3: detected capacity change from 0 to 1024
loop0: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir140656297/syzkaller.u3PvkR/21/file0 supports timestamps until 2038 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/33/file0 supports timestamps until 2038 (0x7fffffff)
loop7: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir763160900/syzkaller.ldtWPf/22/file0 supports timestamps until 2038 (0x7fffffff)
loop1: detected capacity change from 0 to 4096
loop3: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 2048
loop5: detected capacity change from 0 to 512
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/34/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 1024
loop1: detected capacity change from 0 to 640
ext4 filesystem being mounted at /syzkaller-testdir280997874/syzkaller.8CbbsJ/27/file0 supports timestamps until 2038 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir140656297/syzkaller.u3PvkR/23/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 512
loop1: detected capacity change from 0 to 4096
loop0: detected capacity change from 0 to 4096
loop5: detected capacity change from 0 to 512
loop6: detected capacity change from 0 to 1024
loop6: detected capacity change from 0 to 1024
loop2: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/36/file0 supports timestamps until 2038 (0x7fffffff)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 4578 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220919 #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: 0033:0x7fada0a95b19
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
loop6: detected capacity change from 0 to 1024
RSP: 002b:00007fad9e00af48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fada0a95b19
RDX: 00000000000a0000 RSI: 0000000000000000 RDI: 00007fada0aef0fb
RBP: 0000000000000019 R08: 0000000000050000 R09: ffffffffffffffff
R10: 0000000000000019 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000100000 R15: 0000000020012f00
loop6: detected capacity change from 0 to 1024
process 'syz-executor.7' launched './file1' with NULL argv: empty string added
loop2: detected capacity change from 0 to 2048
ext4 filesystem being mounted at /syzkaller-testdir627087686/syzkaller.75AZfV/39/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 512
loop0: detected capacity change from 0 to 1024
loop4: 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: 4640 Comm: syz-executor.5 Tainted: G W 6.0.0-rc6-next-20220919 #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: 0033:0x7fc9a0cd8b19
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:00007fc99e24df48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc9a0cd8b19
RDX: 0000000000014000 RSI: 0000000000000000 RDI: 00007fc9a0d320fb
RBP: 0000000000000018 R08: 000000000000a000 R09: ffffffffffffffff
R10: 0000000000000018 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020012c00
loop6: detected capacity change from 0 to 1024
ext4 filesystem being mounted at /syzkaller-testdir000462876/syzkaller.qxRRw5/32/file0 supports timestamps until 2038 (0x7fffffff)