======================================================
WARNING: possible circular locking dependency detected
5.0.0-rc1+ #19 Not tainted
------------------------------------------------------
syz-executor5/5055 is trying to acquire lock:
0000000019114617 (&dup_mmap_sem){++++}, at: percpu_down_write+0x9a/0x540 kernel/locking/percpu-rwsem.c:145
but task is already holding lock:
00000000bd1b4c57 (&uprobe->register_rwsem){+.+.}, at: __uprobe_register kernel/events/uprobes.c:1140 [inline]
00000000bd1b4c57 (&uprobe->register_rwsem){+.+.}, at: __uprobe_register+0x465/0x8e0 kernel/events/uprobes.c:1112
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&uprobe->register_rwsem){+.+.}:
down_write+0x8a/0x130 kernel/locking/rwsem.c:70
__uprobe_register kernel/events/uprobes.c:1140 [inline]
__uprobe_register+0x465/0x8e0 kernel/events/uprobes.c:1112
uprobe_register+0x28/0x30 kernel/events/uprobes.c:1159
probe_event_enable+0x62d/0xf20 kernel/trace/trace_uprobe.c:924
trace_uprobe_register+0x69b/0xcf0 kernel/trace/trace_uprobe.c:1200
perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline]
perf_trace_event_init+0x500/0x990 kernel/trace/trace_event_perf.c:199
perf_uprobe_init+0x1db/0x290 kernel/trace/trace_event_perf.c:329
perf_uprobe_event_init+0x106/0x1a0 kernel/events/core.c:8503
perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9770
perf_init_event kernel/events/core.c:9801 [inline]
perf_event_alloc.part.0+0x20bf/0x3520 kernel/events/core.c:10074
perf_event_alloc kernel/events/core.c:10430 [inline]
__do_sys_perf_event_open+0xbb5/0x2f00 kernel/events/core.c:10531
__se_sys_perf_event_open kernel/events/core.c:10420 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10420
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #2 (event_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0x12f/0x1670 kernel/locking/mutex.c:1072
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:236
tp_perf_event_destroy+0x16/0x20 kernel/events/core.c:8336
_free_event+0x3ee/0x15d0 kernel/events/core.c:4446
put_event+0x47/0x60 kernel/events/core.c:4532
perf_mmap_close+0x937/0x1210 kernel/events/core.c:5515
remove_vma+0xb5/0x180 mm/mmap.c:181
remove_vma_list mm/mmap.c:2585 [inline]
__do_munmap+0x72e/0xef0 mm/mmap.c:2828
do_munmap+0x31/0x40 mm/mmap.c:2836
mremap_to+0x301/0x7a0 mm/mremap.c:519
__do_sys_mremap mm/mremap.c:615 [inline]
__se_sys_mremap mm/mremap.c:577 [inline]
__x64_sys_mremap+0x88e/0xd40 mm/mremap.c:577
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #1 (&mm->mmap_sem){++++}:
down_write_killable+0x8d/0x150 kernel/locking/rwsem.c:84
dup_mmap kernel/fork.c:473 [inline]
dup_mm kernel/fork.c:1320 [inline]
copy_mm kernel/fork.c:1375 [inline]
copy_process+0x305d/0x8710 kernel/fork.c:1917
_do_fork+0x1a9/0x1170 kernel/fork.c:2227
__do_sys_clone kernel/fork.c:2334 [inline]
__se_sys_clone kernel/fork.c:2328 [inline]
__x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (&dup_mmap_sem){++++}:
lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841
down_write+0x8a/0x130 kernel/locking/rwsem.c:70
percpu_down_write+0x9a/0x540 kernel/locking/percpu-rwsem.c:145
register_for_each_vma+0x99/0xef0 kernel/events/uprobes.c:1012
__uprobe_register kernel/events/uprobes.c:1144 [inline]
__uprobe_register+0x507/0x8e0 kernel/events/uprobes.c:1112
uprobe_register+0x28/0x30 kernel/events/uprobes.c:1159
probe_event_enable+0x62d/0xf20 kernel/trace/trace_uprobe.c:924
trace_uprobe_register+0x69b/0xcf0 kernel/trace/trace_uprobe.c:1200
perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline]
perf_trace_event_init+0x500/0x990 kernel/trace/trace_event_perf.c:199
perf_uprobe_init+0x1db/0x290 kernel/trace/trace_event_perf.c:329
perf_uprobe_event_init+0x106/0x1a0 kernel/events/core.c:8503
perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9770
perf_init_event kernel/events/core.c:9801 [inline]
perf_event_alloc.part.0+0x20bf/0x3520 kernel/events/core.c:10074
perf_event_alloc kernel/events/core.c:10430 [inline]
__do_sys_perf_event_open+0xbb5/0x2f00 kernel/events/core.c:10531
__se_sys_perf_event_open kernel/events/core.c:10420 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10420
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Chain exists of:
&dup_mmap_sem --> event_mutex --> &uprobe->register_rwsem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&uprobe->register_rwsem);
lock(event_mutex);
lock(&uprobe->register_rwsem);
lock(&dup_mmap_sem);
*** DEADLOCK ***
3 locks held by syz-executor5/5055:
#0: 000000009e4f95fb (&pmus_srcu){....}, at: perf_event_alloc.part.0+0x10c1/0x3520 kernel/events/core.c:10070
#1: 0000000044805440 (event_mutex){+.+.}, at: perf_uprobe_init+0x1d0/0x290 kernel/trace/trace_event_perf.c:328
#2: 00000000bd1b4c57 (&uprobe->register_rwsem){+.+.}, at: __uprobe_register kernel/events/uprobes.c:1140 [inline]
#2: 00000000bd1b4c57 (&uprobe->register_rwsem){+.+.}, at: __uprobe_register+0x465/0x8e0 kernel/events/uprobes.c:1112
stack backtrace:
CPU: 1 PID: 5055 Comm: syz-executor5 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224
check_prev_add kernel/locking/lockdep.c:1866 [inline]
check_prevs_add kernel/locking/lockdep.c:1979 [inline]
validate_chain kernel/locking/lockdep.c:2350 [inline]
__lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338
lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841
down_write+0x8a/0x130 kernel/locking/rwsem.c:70
percpu_down_write+0x9a/0x540 kernel/locking/percpu-rwsem.c:145
register_for_each_vma+0x99/0xef0 kernel/events/uprobes.c:1012
__uprobe_register kernel/events/uprobes.c:1144 [inline]
__uprobe_register+0x507/0x8e0 kernel/events/uprobes.c:1112
uprobe_register+0x28/0x30 kernel/events/uprobes.c:1159
probe_event_enable+0x62d/0xf20 kernel/trace/trace_uprobe.c:924
trace_uprobe_register+0x69b/0xcf0 kernel/trace/trace_uprobe.c:1200
perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline]
perf_trace_event_init+0x500/0x990 kernel/trace/trace_event_perf.c:199
perf_uprobe_init+0x1db/0x290 kernel/trace/trace_event_perf.c:329
perf_uprobe_event_init+0x106/0x1a0 kernel/events/core.c:8503
perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9770
perf_init_event kernel/events/core.c:9801 [inline]
perf_event_alloc.part.0+0x20bf/0x3520 kernel/events/core.c:10074
perf_event_alloc kernel/events/core.c:10430 [inline]
__do_sys_perf_event_open+0xbb5/0x2f00 kernel/events/core.c:10531
__se_sys_perf_event_open kernel/events/core.c:10420 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10420
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5b265cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457ec9
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000180
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f5b265cb6d4
R13: 00000000004c43bf R14: 00000000004d7708 R15: 00000000ffffffff
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
CPU: 0 PID: 5060 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
__should_failslab+0x121/0x190 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
gfs2: can't parse mount arguments
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
CPU: 1 PID: 5093 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
__should_failslab+0x121/0x190 mm/failslab.c:32
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
CPU: 1 PID: 5118 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
gfs2: can't parse mount arguments
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
__should_failslab+0x121/0x190 mm/failslab.c:32
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
gfs2: can't parse mount arguments
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
CPU: 0 PID: 5138 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
__should_failslab+0x121/0x190 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
gfs2: can't parse mount arguments
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
gfs2: can't parse mount arguments
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
CPU: 1 PID: 5160 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
gfs2: can't parse mount arguments
__should_failslab+0x121/0x190 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
CPU: 0 PID: 5184 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
__should_failslab+0x121/0x190 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
CPU: 0 PID: 5196 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
__should_failslab+0x121/0x190 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
gfs2: can't parse mount arguments
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
CPU: 1 PID: 5221 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
__should_failslab+0x121/0x190 mm/failslab.c:32
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
should_failslab+0x9/0x14 mm/slab_common.c:1603
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3367 [inline]
__do_kmalloc mm/slab.c:3709 [inline]
__kmalloc+0x2dc/0x740 mm/slab.c:3720
kmalloc include/linux/slab.h:550 [inline]
sock_kmalloc net/core/sock.c:1992 [inline]
sock_kmalloc+0x166/0x200 net/core/sock.c:1983
af_alg_alloc_areq+0x7c/0x300 crypto/af_alg.c:1097
_aead_recvmsg crypto/algif_aead.c:157 [inline]
aead_recvmsg+0x49d/0x1b40 crypto/algif_aead.c:334
sock_recvmsg_nosec net/socket.c:794 [inline]
sock_recvmsg net/socket.c:801 [inline]
sock_recvmsg+0xd0/0x110 net/socket.c:797
___sys_recvmsg+0x2a8/0x680 net/socket.c:2278
do_recvmmsg+0x2f8/0xc40 net/socket.c:2391
__sys_recvmmsg+0x259/0x270 net/socket.c:2470
__do_sys_recvmmsg net/socket.c:2493 [inline]
__se_sys_recvmmsg net/socket.c:2486 [inline]
__x64_sys_recvmmsg+0xe6/0x140 net/socket.c:2486
do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc8afb21c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fc8afb21c90 RCX: 0000000000457ec9
RDX: 0000000000000001 RSI: 0000000020008cc0 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8afb226d4
R13: 00000000004c4a57 R14: 00000000004d8128 R15: 0000000000000006
kobject: 'loop3' (00000000429390b2): kobject_uevent_env
gfs2: can't parse mount arguments
kobject: 'loop3' (00000000429390b2): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (00000000b0a618b0): kobject_uevent_env
kobject: 'loop0' (00000000b0a618b0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000009b15bc9a): kobject_uevent_env
kobject: 'loop2' (000000009b15bc9a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (000000009d4467f9): kobject_uevent_env
kobject: 'loop4' (000000009d4467f9): fill_kobj_path: path = '/devices/virtual/block/loop4'