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1 lock held by syz-executor3/24834: #0: (&mm->mmap_sem){++++}, at: [<00000000bb12c38a>] vm_mmap_pgoff+0x198/0x280 mm/util.c:331 ============================================= INFO: rcu_sched self-detected stall on CPU INFO: rcu_sched detected stalls on CPUs/tasks: 1-...!: (1 ticks this GP) idle=69a/140000000000001/0 softirq=179029/179029 fqs=0 (detected by 0, t=137178 jiffies, g=80069, c=80068, q=111) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24838 Comm: syz-executor1 Not tainted 4.15.0-rc4+ #233 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inb arch/x86/include/asm/io.h:348 [inline] RIP: 0010:io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:434 RSP: 0018:ffff8801db506ff8 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff87deaf38 RBP: ffff8801db507008 R08: 1ffff1003b6a0d57 R09: 000000000000000c R10: ffff8801db506f78 R11: 0000000000000040 R12: ffffffff87deaf00 R13: 0000000000000020 R14: fffffbfff0fbd625 R15: fffffbfff0fbd5e9 FS: 00007f1872219700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000130 CR3: 00000001c4847004 CR4: 00000000001626e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: <IRQ> serial_in drivers/tty/serial/8250/8250.h:111 [inline] wait_for_xmitr+0x93/0x1e0 drivers/tty/serial/8250/8250_port.c:2033 serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3170 uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1858 serial8250_console_write+0x64f/0xa40 drivers/tty/serial/8250/8250_port.c:3236 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590 call_console_drivers kernel/printk/printk.c:1574 [inline] console_unlock+0x788/0xd80 kernel/printk/printk.c:2233 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379 printk+0xaa/0xca kernel/printk/printk.c:1829 print_cpu_stall_info_begin kernel/rcu/tree_plugin.h:1657 [inline] print_cpu_stall kernel/rcu/tree.c:1594 [inline] check_cpu_stall.isra.61+0x845/0x15b0 kernel/rcu/tree.c:1676 __rcu_pending kernel/rcu/tree.c:3440 [inline] rcu_pending kernel/rcu/tree.c:3502 [inline] rcu_check_callbacks+0x256/0xd00 kernel/rcu/tree.c:2842 update_process_times+0x30/0x60 kernel/time/timer.c:1630 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] __hrtimer_run_queues+0x358/0xe20 kernel/time/hrtimer.c:1275 hrtimer_interrupt+0x1c2/0x5e0 kernel/time/hrtimer.c:1309 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x5e/0xba kernel/locking/spinlock.c:184 RSP: 0018:ffff8801ce887590 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000006 RDX: 1ffffffff0bd9045 RSI: 1ffff1003acee1db RDI: 0000000000000282 RBP: ffff8801ce8875a0 R08: 1ffff10039d10e80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d403d588 R13: ffff8801d30bd608 R14: ffff8801d403d380 R15: ffff8801ce887638 spin_unlock_irqrestore include/linux/spinlock.h:365 [inline] input_inject_event+0x22c/0x349 drivers/input/input.c:469 evdev_write+0x34a/0x4b0 drivers/input/evdev.c:559 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xf8/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x125/0x180 fs/splice.c:1018 splice_direct_to_actor+0x2c1/0x820 fs/splice.c:973 do_splice_direct+0x29b/0x3c0 fs/splice.c:1061 do_sendfile+0x5c9/0xe80 fs/read_write.c:1413 SYSC_sendfile64 fs/read_write.c:1468 [inline] SyS_sendfile64+0xbd/0x160 fs/read_write.c:1460 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f1872218c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000020000000 RSI: 0000000000000013 RDI: 0000000000000014 RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000072439a6b R11: 0000000000000212 R12: 00000000006f2728 R13: 00000000ffffffff R14: 00007f18722196d4 R15: 0000000000000000 Code: 24 d1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 b8 34 18 ff eb c2 e8 11 35 18 ff eb rcu_sched kthread starved for 137178 jiffies! g80069 c80068 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1 rcu_sched I23456 8 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 rcu_gp_kthread+0x9e5/0x1930 kernel/rcu/tree.c:2314 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 1-...!: (1 ticks this GP) idle=69a/140000000000001/0 softirq=179029/179029 fqs=0 (t=137178 jiffies g=80069 c=80068 q=120) rcu_sched kthread starved for 137178 jiffies! g80069 c80068 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 rcu_sched R running task 23456 8 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 rcu_gp_kthread+0x9e5/0x1930 kernel/rcu/tree.c:2314 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 NMI backtrace for cpu 1 CPU: 1 PID: 24838 Comm: syz-executor1 Not tainted 4.15.0-rc4+ #233 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 nmi_cpu_backtrace+0x1d2/0x210 lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0x122/0x180 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:156 [inline] rcu_dump_cpu_stacks+0x186/0x1d9 kernel/rcu/tree.c:1459 print_cpu_stall kernel/rcu/tree.c:1608 [inline] check_cpu_stall.isra.61+0xbb8/0x15b0 kernel/rcu/tree.c:1676 __rcu_pending kernel/rcu/tree.c:3440 [inline] rcu_pending kernel/rcu/tree.c:3502 [inline] rcu_check_callbacks+0x256/0xd00 kernel/rcu/tree.c:2842 update_process_times+0x30/0x60 kernel/time/timer.c:1630 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] __hrtimer_run_queues+0x358/0xe20 kernel/time/hrtimer.c:1275 hrtimer_interrupt+0x1c2/0x5e0 kernel/time/hrtimer.c:1309 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x5e/0xba kernel/locking/spinlock.c:184 RSP: 0018:ffff8801ce887590 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000006 RDX: 1ffffffff0bd9045 RSI: 1ffff1003acee1db RDI: 0000000000000282 RBP: ffff8801ce8875a0 R08: 1ffff10039d10e80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d403d588 R13: ffff8801d30bd608 R14: ffff8801d403d380 R15: ffff8801ce887638 spin_unlock_irqrestore include/linux/spinlock.h:365 [inline] input_inject_event+0x22c/0x349 drivers/input/input.c:469 evdev_write+0x34a/0x4b0 drivers/input/evdev.c:559 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xf8/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x125/0x180 fs/splice.c:1018 splice_direct_to_actor+0x2c1/0x820 fs/splice.c:973 do_splice_direct+0x29b/0x3c0 fs/splice.c:1061 do_sendfile+0x5c9/0xe80 fs/read_write.c:1413 SYSC_sendfile64 fs/read_write.c:1468 [inline] SyS_sendfile64+0xbd/0x160 fs/read_write.c:1460 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a09 RSP: 002b:00007f1872218c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000020000000 RSI: 0000000000000013 RDI: 0000000000000014 RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000072439a6b R11: 0000000000000212 R12: 00000000006f2728 R13: 00000000ffffffff R14: 00007f18722196d4 R15: 0000000000000000 device lo entered promiscuous mode audit: type=1400 audit(1513966700.561:3992): avc: denied { map } for pid=24862 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 task PC stack pid father init S16000 1 0 0x00000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_hrtimeout_range_clock+0x206/0x460 kernel/time/hrtimer.c:1706 schedule_hrtimeout_range+0x2a/0x40 kernel/time/hrtimer.c:1751 poll_schedule_timeout+0x10f/0x1f0 fs/select.c:243 do_select+0x11dd/0x1700 fs/select.c:580 core_sys_select+0x480/0x960 fs/select.c:654 SYSC_select fs/select.c:695 [inline] SyS_select+0x194/0x230 fs/select.c:677 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x7fe752d3edd3 RSP: 002b:00007ffeb4d8bcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 RAX: ffffffffffffffda RBX: 00007ffeb4d8be70 RCX: 00007fe752d3edd3 RDX: 0000000000000000 RSI: 00007ffeb4d8c020 RDI: 000000000000000b RBP: 00007ffeb4d8c020 R08: 00007ffeb4d8c0a0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffeb4d8c400 R14: 0000000000000000 R15: 0000000000000000 kthreadd S21792 2 0 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 kthreadd+0x6d3/0x830 kernel/kthread.c:555 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kworker/0:0H I21480 4 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 worker_thread+0x492/0x1990 kernel/workqueue.c:2267 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 mm_percpu_wq I26400 6 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 ksoftirqd/0 S16848 7 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 rcu_sched I23456 8 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 rcu_gp_kthread+0x9e5/0x1930 kernel/rcu/tree.c:2314 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 rcu_bh I25376 9 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rcu_gp_kthread+0x123a/0x1930 kernel/rcu/tree.c:2282 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 migration/0 S25368 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 watchdog/0 S27536 11 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 cpuhp/0 S24352 12 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 cpuhp/1 S24752 13 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 watchdog/1 S27536 14 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 migration/1 S25368 15 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 ksoftirqd/1 S14560 16 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 smpboot_thread_fn+0x66b/0x7c0 kernel/smpboot.c:160 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kworker/1:0H I21480 18 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 worker_thread+0x492/0x1990 kernel/workqueue.c:2267 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kdevtmpfs S24832 19 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 devtmpfsd+0x41a/0x4c0 drivers/base/devtmpfs.c:408 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 netns I27688 20 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kauditd S25128 26 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 kauditd_thread+0x4f1/0x970 kernel/audit.c:849 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 khungtaskd S26480 675 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 schedule_timeout_interruptible+0x75/0x90 kernel/time/timer.c:1815 watchdog+0x14b/0xd60 kernel/hung_task.c:253 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 oom_reaper S27808 676 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 oom_reaper+0x2a9/0x440 mm/oom_kill.c:623 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 writeback I14576 677 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kcompactd0 S27376 679 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 kcompactd+0x4f1/0x790 mm/compaction.c:2064 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 ksmd S27456 680 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 ksm_scan_thread+0x346/0x570 mm/ksm.c:2352 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 khugepaged S22864 681 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 khugepaged_wait_work+0x5d0/0x7c0 mm/khugepaged.c:1837 khugepaged+0x5c7/0x1400 mm/khugepaged.c:1856 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 crypto I27688 682 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kintegrityd I27688 683 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 kblockd I27688 685 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 ata_sff I25552 763 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 schedule+0xf5/0x430 kernel/sched/core.c:3434 rescuer_thread+0xf4b/0x1460 kernel/workqueue.c:2405
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2017/12/22 18:18 | upstream | ead68f216110 | 81fe66b4 | .config | console log | report | ci-upstream-kasan-gce |