audit: type=1400 audit(1664507070.261:8): avc: denied { kernel } for pid=4021 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-rc7-next-20220929 #1 Not tainted
------------------------------------------------------
syz-executor.4/4026 is trying to acquire lock:
ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff88803d387c20 (&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.4/4026:
#0: ffff88806cf37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88803d387c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 1 PID: 4026 Comm: syz-executor.4 Not tainted 6.0.0-rc7-next-20220929 #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 8b ae ef ff e8 86 ae ef ff 65 8b 1d 6b 17 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88803e25fc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803a371ac0 RSI: ffffffff81565e67 RDI: 0000000000000005
RBP: ffff88803e3e0000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88803d387c00
R13: ffff88806cf3d2c0 R14: ffffffff8547d040 R15: 0000000000000002
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0ccf68bb19
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:00007f0cccc01218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f0ccf79ef68 RCX: 00007f0ccf68bb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0ccf79ef6c
RBP: 00007f0ccf79ef60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0ccf79ef6c
R13: 00007ffe39de83df R14: 00007f0cccc01300 R15: 0000000000022000
WARNING: CPU: 1 PID: 4026 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 1 PID: 4026 Comm: syz-executor.4 Not tainted 6.0.0-rc7-next-20220929 #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 8b ae ef ff e8 86 ae ef ff 65 8b 1d 6b 17 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88803e25fc48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803a371ac0 RSI: ffffffff81565e67 RDI: 0000000000000005
RBP: ffff88803e3e0000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88803d387c00
R13: ffff88806cf3d2c0 R14: ffffffff8547d040 R15: 0000000000000002
FS: 00007f0cccc01700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34080c03a4 CR3: 000000001f246000 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: 0033:0x7f0ccf68bb19
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:00007f0cccc01218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f0ccf79ef68 RCX: 00007f0ccf68bb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0ccf79ef6c
RBP: 00007f0ccf79ef60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0ccf79ef6c
R13: 00007ffe39de83df R14: 00007f0cccc01300 R15: 0000000000022000
irq event stamp: 662
hardirqs last enabled at (661): [] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (662): [] __schedule+0x1225/0x2470
softirqs last enabled at (544): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (535): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 2048
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
EXT4-fs (loop4): unmounting filesystem.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
loop7: detected capacity change from 0 to 5152
random: crng reseeded on system resumption
Restarting kernel threads ... done.
loop5: detected capacity change from 0 to 1348
loop7: detected capacity change from 0 to 5392
hrtimer: interrupt took 18485 ns
random: crng reseeded on system resumption
Restarting kernel threads ... done.
loop0: detected capacity change from 0 to 128
random: crng reseeded on system resumption
Restarting kernel threads ... done.
loop5: detected capacity change from 0 to 1348
loop7: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 128
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 1348
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
loop7: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 128
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 1348
loop7: detected capacity change from 0 to 128
loop0: detected capacity change from 0 to 360
loop5: detected capacity change from 0 to 128
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
loop0: detected capacity change from 0 to 312
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 1294
loop0: detected capacity change from 0 to 312
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
loop7: detected capacity change from 0 to 3520
misc raw-gadget: fail, usb_gadget_register_driver returned -16
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
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
loop0: 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 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
loop0: detected capacity change from 0 to 312
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
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
loop7: detected capacity change from 0 to 2304
misc raw-gadget: fail, usb_gadget_register_driver returned -16
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop7: detected capacity change from 0 to 2560
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
loop0: detected capacity change from 0 to 3504
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/26/file0 supports timestamps until 2038 (0x7fffffff)
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop7): unmounting filesystem.
loop0: detected capacity change from 0 to 4096
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop0): unmounting filesystem.
loop0: detected capacity change from 0 to 256
EXT4-fs (loop7): unmounting filesystem.
loop7: detected capacity change from 0 to 512
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
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/28/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop7): unmounting filesystem.
loop7: detected capacity change from 0 to 1024
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 4477 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7fd842a2bb19
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:00007fd83ffa0f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fd842a2bb19
RDX: 00000000001b9000 RSI: 0000000000000000 RDI: 00007fd842a850fb
RBP: 000000000000004c R08: 00000000000dc800 R09: ffffffffffffffff
R10: 000000000000004c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 00000000001b9000 R15: 0000000020016400
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/29/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4491 Comm: syz-executor.0 Tainted: G W 6.0.0-rc7-next-20220929 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
loop7: detected capacity change from 0 to 1024
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: 0033:0x7f021c5d4b19
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:00007f0219b49f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f021c5d4b19
RDX: 0000000000120000 RSI: 0000000000000000 RDI: 00007f021c62e0fb
RBP: 000000000000003c R08: 0000000000090000 R09: ffffffffffffffff
R10: 000000000000003c R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000120000 R15: 0000000020014d00
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/30/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
loop7: detected capacity change from 0 to 1024
loop5: detected capacity change from 0 to 640
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
ISOFS: changing to secondary root
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/31/file0 supports timestamps until 2038 (0x7fffffff)
ext4 filesystem being mounted at /syzkaller-testdir316152602/syzkaller.ZpIyyr/24/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
loop5: detected capacity change from 0 to 1024
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/32/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem.
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
EXT4-fs (loop5): unmounting filesystem.
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop5): unmounting filesystem.
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
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
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop5): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop5: detected capacity change from 0 to 512
CPU: 0 PID: 4626 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
loop0: detected capacity change from 0 to 2304
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: 0033:0x7fd8429deab7
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:00007fd83ffa0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fd842a75970 RCX: 00007fd8429deab7
RDX: 0000000000000060 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001a0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
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
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4636 Comm: syz-executor.4 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7f0ccf68bb19
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:00007f0cccc00f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f0ccf68bb19
RDX: 0000000000020000 RSI: 0000000000000000 RDI: 00007f0ccf6e50fb
RBP: 0000000000000009 R08: 0000000000010000 R09: ffffffffffffffff
R10: 0000000000000009 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 000000000005b800 R15: 0000000020011300
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4639 Comm: syz-executor.2 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7f057f7b9b19
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:00007f057cd2ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f057f7b9b19
RDX: 0000000000027000 RSI: 0000000000000000 RDI: 00007f057f8130fb
RBP: 000000000000000e R08: 0000000000013800 R09: ffffffffffffffff
R10: 000000000000000e R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000027000 R15: 0000000020011e00
loop0: detected capacity change from 0 to 2304
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/34/file0 supports timestamps until 2038 (0x7fffffff)
ISO 9660 Extensions: Microsoft Joliet Level 3
loop5: detected capacity change from 0 to 512
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4648 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7fd8429deab7
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:00007fd83ffa0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fd842a75970 RCX: 00007fd8429deab7
RDX: 00000000000000a0 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop0: detected capacity change from 0 to 2304
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
ISO 9660 Extensions: Microsoft Joliet Level 3
CPU: 1 PID: 4656 Comm: syz-executor.7 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7f5c25bd4b19
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:00007f5c23149f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f5c25bd4b19
RDX: 0000000000050000 RSI: 0000000000000000 RDI: 00007f5c25c2e0fb
RBP: 000000000000001d R08: 0000000000028000 R09: ffffffffffffffff
R10: 000000000000001d R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000080000 R15: 0000000020012b00
EXT4-fs (loop5): unmounting filesystem.
ISOFS: changing to secondary root
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4658 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7fd8429deab7
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:00007fd83ffa0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fd842a75970 RCX: 00007fd8429deab7
RDX: 0000000000000200 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop0: detected capacity change from 0 to 2304
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
loop5: detected capacity change from 0 to 512
ISO 9660 Extensions: Microsoft Joliet Level 3
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
ISOFS: changing to secondary root
misc raw-gadget: fail, usb_gadget_register_driver returned -16
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop5): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4691 Comm: syz-executor.0 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7f021c587ab7
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:00007f0219b49f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f021c61e970 RCX: 00007f021c587ab7
RDX: 0000000000000580 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 000000000000003c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
loop0: detected capacity change from 0 to 2304
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/37/file0 supports timestamps until 2038 (0x7fffffff)
loop5: detected capacity change from 0 to 512
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem.
EXT4-fs (loop5): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4697 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7fd8429deab7
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:00007fd83ffa0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fd842a75970 RCX: 00007fd8429deab7
RDX: 0000000000000580 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 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
loop5: detected capacity change from 0 to 512
CPU: 1 PID: 4707 Comm: syz-executor.0 Tainted: G W 6.0.0-rc7-next-20220929 #1
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
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
misc raw-gadget: fail, usb_gadget_register_driver returned -16
__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: 0033:0x7f021c587ab7
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:00007f0219b49f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f021c61e970 RCX: 00007f021c587ab7
RDX: 0000000000000580 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 000000000000003c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none.
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir170296039/syzkaller.JPTqSk/39/file0 supports timestamps until 2038 (0x7fffffff)
loop0: detected capacity change from 0 to 2304
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop7): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4723 Comm: syz-executor.6 Tainted: G W 6.0.0-rc7-next-20220929 #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: 0033:0x7fd8429deab7
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:00007fd83ffa0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fd842a75970 RCX: 00007fd8429deab7
RDX: 0000000000000580 RSI: 0000000020010a00 RDI: 0000000000000004
RBP: 000000000000004c R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004