------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
6.0.0-next-20221005 #1 Not tainted
------------------------------------------------------
syz-executor.3/4175 is trying to acquire lock:
ffffffff853faaf8 ((console_sem).lock){..-.}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff88801b927820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ctx->lock){....}-{2:2}:
_raw_spin_lock+0x2a/0x40
__perf_event_task_sched_out+0x53b/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #2 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x30/0x40
raw_spin_rq_lock_nested+0x1e/0x30
task_fork_fair+0x63/0x4d0
sched_cgroup_fork+0x3d0/0x540
copy_process+0x4183/0x6e20
kernel_clone+0xe7/0x890
user_mode_thread+0xad/0xf0
rest_init+0x24/0x250
arch_call_rest_init+0xf/0x14
start_kernel+0x4c6/0x4eb
secondary_startup_64_no_verify+0xe0/0xeb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
_raw_spin_lock_irqsave+0x39/0x60
try_to_wake_up+0xab/0x1930
up+0x75/0xb0
__up_console_sem+0x6e/0x80
console_unlock+0x46a/0x590
vt_ioctl+0x2822/0x2ca0
tty_ioctl+0x785/0x16b0
__x64_sys_ioctl+0x19a/0x210
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #0 ((console_sem).lock){..-.}-{2:2}:
__lock_acquire+0x2a02/0x5e70
lock_acquire+0x1a2/0x530
_raw_spin_lock_irqsave+0x39/0x60
down_trylock+0xe/0x70
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x16b/0x560
vprintk+0x84/0xa0
_printk+0xba/0xf1
report_bug.cold+0x72/0xab
handle_bug+0x3c/0x70
exc_invalid_op+0x14/0x50
asm_exc_invalid_op+0x16/0x20
group_sched_out.part.0+0x2c7/0x460
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rq->__lock --> &ctx->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->lock);
lock(&rq->__lock);
lock(&ctx->lock);
lock((console_sem).lock);
*** DEADLOCK ***
2 locks held by syz-executor.3/4175:
#0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88801b927820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 0 PID: 4175 Comm: syz-executor.3 Not tainted 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
check_noncircular+0x263/0x2e0
__lock_acquire+0x2a02/0x5e70
lock_acquire+0x1a2/0x530
_raw_spin_lock_irqsave+0x39/0x60
down_trylock+0xe/0x70
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x16b/0x560
vprintk+0x84/0xa0
_printk+0xba/0xf1
report_bug.cold+0x72/0xab
handle_bug+0x3c/0x70
exc_invalid_op+0x14/0x50
asm_exc_invalid_op+0x16/0x20
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff888041227c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888020e9b580 RSI: ffffffff81566da7 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b927800
R13: ffff88806ce3d2c0 R14: ffffffff8547c9a0 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: 0033:0x7f84c91f3b19
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:00007f84c6769188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 00007f84c9306f60 RCX: 00007f84c91f3b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020001840
RBP: 00007f84c924df6d R08: 0000000000000008 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8a65291f R14: 00007f84c6769300 R15: 0000000000022000
WARNING: CPU: 0 PID: 4175 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 0 PID: 4175 Comm: syz-executor.3 Not tainted 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 2b 08 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff888041227c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888020e9b580 RSI: ffffffff81566da7 RDI: 0000000000000005
RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b927800
R13: ffff88806ce3d2c0 R14: ffffffff8547c9a0 R15: 0000000000000002
FS: 00007f84c6769700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f843a91b718 CR3: 00000000200c4000 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: 0033:0x7f84c91f3b19
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:00007f84c6769188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 00007f84c9306f60 RCX: 00007f84c91f3b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020001840
RBP: 00007f84c924df6d R08: 0000000000000008 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8a65291f R14: 00007f84c6769300 R15: 0000000000022000
irq event stamp: 594
hardirqs last enabled at (593): [] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (594): [] __schedule+0x1225/0x2470
softirqs last enabled at (424): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (417): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
hrtimer: interrupt took 20018 ns
audit: type=1400 audit(1664970085.134:9): avc: denied { write } for pid=4174 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
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 4202 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8205cb19
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:00007fbe7f5d1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fbe8205cb19
RDX: 000000000000fc00 RSI: 0000000000000000 RDI: 00007fbe820b60fb
RBP: 0000000000000008 R08: 0000000000007e00 R09: ffffffffffffffff
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000010000 R15: 0000000020010d00
EXT4-fs (loop2): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4214 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa41ccb19
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:00007effa1741f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007effa41ccb19
RDX: 0000000000120000 RSI: 0000000000000000 RDI: 00007effa42260fb
RBP: 0000000000000028 R08: 0000000000090000 R09: ffffffffffffffff
R10: 0000000000000028 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000200000 R15: 0000000020014d00
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): unmounting filesystem.
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop3: detected capacity change from 0 to 256
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop3: detected capacity change from 0 to 256
loop2: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
loop1: detected capacity change from 0 to 256
EXT4-fs (loop2): unmounting filesystem.
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
loop6: detected capacity change from 0 to 128
FAT-fs (loop6): bogus number of reserved sectors
FAT-fs (loop6): Can't find a valid FAT filesystem
loop3: detected capacity change from 0 to 256
loop1: detected capacity change from 0 to 256
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4376 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): unmounting filesystem.
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): VFS: Can't find ext4 filesystem
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4395 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4398 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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
loop3: detected capacity change from 0 to 256
vfs_write+0x9c3/0xd90
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000001e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
loop2: detected capacity change from 0 to 4096
loop1: detected capacity change from 0 to 256
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop6: detected capacity change from 0 to 128
FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4411 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4418 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000020 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop2: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4427 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000120 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4430 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000040 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000540 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop6: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4449 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000020 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000640 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
loop6: detected capacity change from 0 to 128
EXT4-fs (loop5): unmounting filesystem.
EXT4-fs (loop2): unmounting filesystem.
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop2): group descriptors corrupted!
loop5: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 128
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem.
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4495 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
loop5: detected capacity change from 0 to 4096
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000080 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
EXT4-fs (loop2): unmounting filesystem.
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem.
loop6: detected capacity change from 0 to 128
loop5: detected capacity change from 0 to 4096
EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem.
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4529 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000420 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop2): group descriptors corrupted!
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop6: detected capacity change from 0 to 128
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4557 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop2: detected capacity change from 0 to 4096
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4575 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000420 RSI: 0000000020010600 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
loop6: detected capacity change from 0 to 128
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4591 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
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
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4610 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000020 RSI: 0000000020010b00 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop2: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4626 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
loop6: detected capacity change from 0 to 128
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
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
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4645 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
__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: 0033:0x7fbe8200fab7
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:00007fbe7f5d1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fab7
RDX: 0000000000000080 RSI: 0000000020010c00 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
R10: 0000000000007e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4646 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000040 RSI: 0000000020012600 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004100 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
loop2: detected capacity change from 0 to 4096
loop6: detected capacity change from 0 to 128
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4673 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000020 RSI: 0000000020012700 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004180 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
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 (loop2): unmounting filesystem.
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
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 4699 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #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 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
loop6: detected capacity change from 0 to 128
copyin+0x19/0x120
copy_page_from_iter_atomic+0x249/0x1290
generic_perform_write+0x2cb/0x580
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
__generic_file_write_iter+0x2da/0x480
generic_file_write_iter+0xe3/0x350
vfs_write+0x9c3/0xd90
misc raw-gadget: fail, usb_gadget_register_driver returned -16
__x64_sys_pwrite64+0x1fb/0x260
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000040 RSI: 0000000020012800 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004200 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
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
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
loop1: detected capacity change from 0 to 1352
CPU: 1 PID: 4709 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
loop4: detected capacity change from 0 to 5408
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
strncpy_from_user+0x34/0x3e0
getname_flags.part.0+0x95/0x4f0
getname+0x8e/0xd0
do_sys_openat2+0xf9/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbe8200fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007fbe7f5d1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fa04
RDX: 0000000000000002 RSI: 00007fbe7f5d2000 RDI: 00000000ffffff9c
RBP: 00007fbe7f5d2000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4712 Comm: syz-executor.6 Tainted: G W 6.0.0-next-20221005 #1
EXT4-fs (loop2): unmounting filesystem.
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
strncpy_from_user+0x34/0x3e0
getname_flags.part.0+0x95/0x4f0
getname+0x8e/0xd0
do_sys_openat2+0xf9/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbe8200fa04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007fbe7f5d1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbe820a6970 RCX: 00007fbe8200fa04
RDX: 0000000000000002 RSI: 00007fbe7f5d2000 RDI: 00000000ffffff9c
RBP: 00007fbe7f5d2000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 4714 Comm: syz-executor.2 Tainted: G W 6.0.0-next-20221005 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
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: 0033:0x7effa417fab7
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:00007effa1741f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007effa4216970 RCX: 00007effa417fab7
RDX: 0000000000000020 RSI: 0000000020012900 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004280 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
loop6: detected capacity change from 0 to 128
loop1: detected capacity change from 0 to 1352
loop4: detected capacity change from 0 to 352
loop2: detected capacity change from 0 to 4096
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
EXT4-fs (loop2): unmounting filesystem.
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
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop7: detected capacity change from 0 to 180
loop1: detected capacity change from 0 to 1352
loop6: detected capacity change from 0 to 128