INFO: task syz-executor.5:15161 blocked for more than 143 seconds.
Not tainted 5.2.0+ #67
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28592 15161 2839 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783
do_wait_for_common kernel/sched/completion.c:83 [inline]
__wait_for_common kernel/sched/completion.c:104 [inline]
wait_for_common kernel/sched/completion.c:115 [inline]
wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136
crypto_wait_req include/linux/crypto.h:685 [inline]
_aead_recvmsg crypto/algif_aead.c:309 [inline]
aead_recvmsg+0x11e3/0x16a0 crypto/algif_aead.c:330
sock_recvmsg_nosec net/socket.c:871 [inline]
sock_recvmsg net/socket.c:889 [inline]
sock_recvmsg+0xce/0x110 net/socket.c:885
___sys_recvmsg+0x271/0x5a0 net/socket.c:2480
__sys_recvmsg+0x102/0x1d0 net/socket.c:2537
__do_sys_recvmsg net/socket.c:2547 [inline]
__se_sys_recvmsg net/socket.c:2544 [inline]
__x64_sys_recvmsg+0x78/0xb0 net/socket.c:2544
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f51379f8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51379f96d4
R13: 00000000004c6d70 R14: 00000000004dc0c0 R15: 00000000ffffffff
INFO: task syz-executor.5:15204 blocked for more than 143 seconds.
Not tainted 5.2.0+ #67
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28856 15204 2839 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
__lock_sock+0x165/0x290 net/core/sock.c:2394
lock_sock_nested+0xfe/0x120 net/core/sock.c:2919
lock_sock include/net/sock.h:1522 [inline]
af_alg_sendmsg+0xbba/0x1420 crypto/af_alg.c:847
aead_sendmsg+0x104/0x150 crypto/algif_aead.c:71
sock_sendmsg_nosec net/socket.c:637 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:657
___sys_sendmsg+0x3e2/0x920 net/socket.c:2311
__sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2413
__do_sys_sendmmsg net/socket.c:2442 [inline]
__se_sys_sendmmsg net/socket.c:2439 [inline]
__x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2439
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f51379d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829
RDX: 0000000000000001 RSI: 0000000020003e80 RDI: 0000000000000006
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51379d86d4
R13: 00000000004c7009 R14: 00000000004dc588 R15: 00000000ffffffff
INFO: task syz-executor.5:15205 blocked for more than 144 seconds.
Not tainted 5.2.0+ #67
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D29352 15205 2839 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783
do_wait_for_common kernel/sched/completion.c:83 [inline]
__wait_for_common kernel/sched/completion.c:104 [inline]
wait_for_common kernel/sched/completion.c:115 [inline]
wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136
crypto_wait_req include/linux/crypto.h:685 [inline]
_aead_recvmsg crypto/algif_aead.c:309 [inline]
aead_recvmsg+0x11e3/0x16a0 crypto/algif_aead.c:330
sock_recvmsg_nosec net/socket.c:871 [inline]
sock_recvmsg net/socket.c:889 [inline]
sock_recvmsg+0xce/0x110 net/socket.c:885
___sys_recvmsg+0x271/0x5a0 net/socket.c:2480
__sys_recvmsg+0x102/0x1d0 net/socket.c:2537
__do_sys_recvmsg net/socket.c:2547 [inline]
__se_sys_recvmsg net/socket.c:2544 [inline]
__x64_sys_recvmsg+0x78/0xb0 net/socket.c:2544
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f51379b6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51379b76d4
R13: 00000000004c6d70 R14: 00000000004dc0c0 R15: 00000000ffffffff
Showing all locks held in the system:
1 lock held by khungtaskd/1052:
#0: 00000000745631be (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5257
1 lock held by rsyslogd/8829:
#0: 0000000071606bc4 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801
2 locks held by getty/8918:
#0: 000000007cfef05f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000008a4a3903 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8919:
#0: 0000000092471b1b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 0000000067364bcb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8920:
#0: 00000000e880f6f9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000008c46f553 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8921:
#0: 00000000edf75e03 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000316c81ea (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8922:
#0: 00000000bbbaec04 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000002f46e1de (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8923:
#0: 00000000e9435c2f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000006f772b0c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8924:
#0: 00000000599bff0a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000996a790b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.5/15161:
#0: 00000000d77b545c (sk_lock-AF_ALG){+.+.}, at: lock_sock include/net/sock.h:1522 [inline]
#0: 00000000d77b545c (sk_lock-AF_ALG){+.+.}, at: aead_recvmsg+0xbb/0x16a0 crypto/algif_aead.c:328
1 lock held by syz-executor.5/15205:
#0: 00000000f6225bb0 (sk_lock-AF_ALG){+.+.}, at: lock_sock include/net/sock.h:1522 [inline]
#0: 00000000f6225bb0 (sk_lock-AF_ALG){+.+.}, at: af_alg_wait_for_data+0x244/0x580 crypto/af_alg.c:759
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1052 Comm: khungtaskd Not tainted 5.2.0+ #67
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+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
watchdog+0x9d0/0xef0 kernel/hung_task.c:289
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.2.0+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:194 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:2930 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3054 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3037 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3276 [inline]
RIP: 0010:slab_alloc mm/slab.c:3311 [inline]
RIP: 0010:kmem_cache_alloc+0x3ec/0x710 mm/slab.c:3483
Code: b4 41 8b 0f 49 8b 84 c5 40 01 00 00 85 c9 48 89 45 c8 0f 85 44 02 00 00 48 85 c0 0f 84 3b 02 00 00 48 8b 4d c8 48 83 79 78 00 <48> 8b 81 88 00 00 00 75 13 48 85 c0 0f 84 2e 02 00 00 8b 10 85 d2
RSP: 0018:ffff8880ae909980 EFLAGS: 00000006
RAX: ffff88809c02d600 RBX: 0000000000000a20 RCX: ffff88809c02d600
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff8880ae9099e8 R08: ffff8880a98cc340 R09: 0000000000000010
R10: fffffbfff1349ef7 R11: ffffffff89a4f7bf R12: ffff88821643ce00
R13: ffff88821643ce00 R14: 0000000000000a20 R15: ffffe8ffffd4ab58
FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c4202cc000 CR3: 0000000088748000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
dst_alloc+0x10e/0x200 net/core/dst.c:93
ip6_dst_alloc+0x34/0xa0 net/ipv6/route.c:353
icmp6_dst_alloc+0x1a9/0x660 net/ipv6/route.c:3131
ndisc_send_skb+0xfc1/0x1450 net/ipv6/ndisc.c:484
ndisc_send_rs+0x134/0x6d0 net/ipv6/ndisc.c:698
addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3878
call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1322
expire_timers kernel/time/timer.c:1366 [inline]
__run_timers kernel/time/timer.c:1685 [inline]
__run_timers kernel/time/timer.c:1653 [inline]
run_timer_softirq+0x697/0x17a0 kernel/time/timer.c:1698
__do_softirq+0x262/0x98c kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x19b/0x1e0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:537 [inline]
smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1095
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:828
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 68 96 73 fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d e4 26 4f 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d d4 26 4f 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 be 57 27 fa e8 79
RSP: 0018:ffff8880a98dfd68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11a5e05 RBX: ffff8880a98cc340 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a98ccbcc
RBP: ffff8880a98dfd98 R08: ffff8880a98cc340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffffff89a4f7b8 R14: 0000000000000000 R15: 0000000000000001
arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571
default_idle_call+0x84/0xb0 kernel/sched/idle.c:94
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x413/0x760 kernel/sched/idle.c:263
cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
start_secondary+0x315/0x430 arch/x86/kernel/smpboot.c:264
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243