INFO: task kworker/u4:1:11 blocked for more than 143 seconds.
Not tainted 5.18.0-rc7-syzkaller-00133-g7fb0269720d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1 state:D stack:24344 pid: 11 ppid: 2 flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1860
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__synchronize_srcu+0x1f2/0x290 kernel/rcu/srcutree.c:930
fsnotify_mark_destroy_workfn+0xfd/0x3c0 fs/notify/mark.c:864
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90000107da8 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
1 lock held by khungtaskd/27:
#0: ffffffff8bd820e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
2 locks held by kworker/u4:2/45:
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90000b67da8 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
2 locks held by getty/3275:
#0: ffff88801d8c2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075
3 locks held by kworker/1:4/3656:
3 locks held by kworker/u4:6/5569:
1 lock held by dhcpcd/7289:
#0: ffff888073e35010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:748 [inline]
#0: ffff888073e35010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649
2 locks held by dhcpcd/7322:
#0: ffff88807af64130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
#0: ffff88807af64130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3184
#1: ffffffff8bd8bea0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
#1: ffffffff8bd8bea0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:841
1 lock held by dhcpcd/7326:
#0: ffff888060bfe130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
#0: ffff888060bfe130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3184
1 lock held by dhcpcd/7327:
#0: ffff888029f44130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
#0: ffff888029f44130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3184
1 lock held by dhcpcd/7339:
#0: ffff88807e108130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
#0: ffff88807e108130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3184
1 lock held by dhcpcd/7357:
#0: ffff888054df4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
#0: ffff888054df4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3184
1 lock held by syz-executor.3/8386:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.18.0-rc7-syzkaller-00133-g7fb0269720d7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8372 Comm: syz-executor.0 Not tainted 5.18.0-rc7-syzkaller-00133-g7fb0269720d7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_preemption_disabled+0xa/0x170 lib/smp_processor_id.c:13
Code: f8 65 48 8b 3c 25 00 70 02 00 e8 01 55 ec f7 eb 99 0f 1f 44 00 00 0f 0b e9 23 ff ff ff cc cc cc 41 56 41 55 49 89 f5 41 54 55 <48> 89 fd 53 0f 1f 44 00 00 65 44 8b 25 45 a5 94 76 65 8b 1d 2e fb
RSP: 0018:ffffc90003eef1a8 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff815dacc1
RDX: fffffbfff1b7254b RSI: ffffffff8a273120 RDI: ffffffff8a273160
RBP: 1ffff920007dde41 R08: 0000000000000000 R09: ffffffff8db92a57
R10: fffffbfff1b7254a R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff8a273120 R14: ffff888030d4d880 R15: 0000000000000000
FS: 00007f597934e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d423000 CR3: 00000000325cb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:341 [inline]
rcu_is_watching+0xe/0xb0 kernel/rcu/tree.c:1138
rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
rcu_read_lock_sched_held+0x1c/0x70 kernel/rcu/update.c:123
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x522/0x720 kernel/locking/lockdep.c:5652
rcu_lock_release include/linux/rcupdate.h:273 [inline]
rcu_read_unlock include/linux/rcupdate.h:727 [inline]
is_bpf_text_address+0x99/0x170 kernel/bpf/core.c:716
kernel_text_address kernel/extable.c:125 [inline]
kernel_text_address+0x39/0x80 kernel/extable.c:94
__kernel_text_address+0x9/0x30 kernel/extable.c:79
unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
save_stack+0x151/0x1e0 mm/page_owner.c:124
__set_page_owner+0x2e/0x50 mm/page_owner.c:189
prep_new_page mm/page_alloc.c:2441 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
__get_free_pages+0x8/0x40 mm/page_alloc.c:5457
kasan_populate_vmalloc_pte mm/kasan/shadow.c:271 [inline]
kasan_populate_vmalloc_pte+0x25/0x160 mm/kasan/shadow.c:262
apply_to_pte_range mm/memory.c:2547 [inline]
apply_to_pmd_range mm/memory.c:2591 [inline]
apply_to_pud_range mm/memory.c:2627 [inline]
apply_to_p4d_range mm/memory.c:2663 [inline]
__apply_to_page_range+0x686/0x1030 mm/memory.c:2697
alloc_vmap_area+0xb0f/0x1f00 mm/vmalloc.c:1594
__get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2455
__vmalloc_node_range+0x250/0x13e0 mm/vmalloc.c:3127
__bpf_map_area_alloc+0xd5/0x150 kernel/bpf/syscall.c:330
bloom_map_alloc+0x322/0x620 kernel/bpf/bloom_filter.c:144
find_and_alloc_map kernel/bpf/syscall.c:129 [inline]
map_create kernel/bpf/syscall.c:864 [inline]
__sys_bpf+0xbfc/0x55d0 kernel/bpf/syscall.c:4645
__do_sys_bpf kernel/bpf/syscall.c:4767 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4765 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4765
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5978289109
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f597934e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f597839bf60 RCX: 00007f5978289109
RDX: 0000000000000048 RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007f59782e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc51d3e64f R14: 00007f597934e300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: f8 clc
1: 65 48 8b 3c 25 00 70 mov %gs:0x27000,%rdi
8: 02 00
a: e8 01 55 ec f7 callq 0xf7ec5510
f: eb 99 jmp 0xffffffaa
11: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
16: 0f 0b ud2
18: e9 23 ff ff ff jmpq 0xffffff40
1d: cc int3
1e: cc int3
1f: cc int3
20: 41 56 push %r14
22: 41 55 push %r13
24: 49 89 f5 mov %rsi,%r13
27: 41 54 push %r12
29: 55 push %rbp
* 2a: 48 89 fd mov %rdi,%rbp <-- trapping instruction
2d: 53 push %rbx
2e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
33: 65 44 8b 25 45 a5 94 mov %gs:0x7694a545(%rip),%r12d # 0x7694a580
3a: 76
3b: 65 gs
3c: 8b .byte 0x8b
3d: 1d .byte 0x1d
3e: 2e fb cs sti