INFO: task syz-executor592:4465 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24544 4465 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000019 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4466 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24448 4466 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000013 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4467 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24240 4467 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4468 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24240 4468 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000019 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4469 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24592 4469 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000010 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4470 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24592 4470 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000013 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4471 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24032 4471 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor592:4472 blocked for more than 140 seconds. Not tainted 4.18.0-rc5+ #132 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor592 D24480 4472 4464 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1777 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+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:512 [inline] _aead_recvmsg crypto/algif_aead.c:313 [inline] aead_recvmsg+0x1544/0x1bb0 crypto/algif_aead.c:334 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:814 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2287 __sys_recvmmsg+0x301/0xba0 net/socket.c:2399 do_sys_recvmmsg+0x181/0x1a0 net/socket.c:2475 __do_sys_recvmmsg net/socket.c:2493 [inline] __se_sys_recvmmsg net/socket.c:2489 [inline] __x64_sys_recvmmsg+0xbe/0x150 net/socket.c:2489 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4407b9 Code: Bad RIP value. RSP: 002b:00007ffe6735bf58 EFLAGS: 00000207 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004407b9 RDX: 0000000000000002 RSI: 0000000020003340 RDI: 0000000000000016 RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 900 Comm: khungtaskd Not tainted 4.18.0-rc5+ #132 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.5+0x19/0xce lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0x151/0x192 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:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x9c4/0xf80 kernel/hung_task.c:252 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54