watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:13336] Modules linked in: irq event stamp: 3986181 hardirqs last enabled at (3986180): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3986181): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (38420): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (38423): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (38423): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 13336 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 09 2e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba107cd0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff888040e5a1c0 RCX: 000000000000676f RDX: dffffc0000000000 RSI: 0000000082457e2a RDI: 0000000000000286 RBP: ffff8880ba107d58 R08: ffffffff8cd4b0b8 R09: 0000000000000000 R10: ffff888040e5aa48 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f52ad76e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f122000 CR3: 0000000017047000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x113/0x700 kernel/time/timer.c:1335 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744 Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80 RSP: 0018:ffff88802cccfce0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888040e5aa44 RBP: ffffed10081cb438 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888040e5a1c0 R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:inet6_bind+0x53/0x160 net/ipv6/af_inet6.c:442 Code: ea 03 80 3c 02 00 0f 85 1d 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 6c 24 20 48 8d 7d 28 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 ef 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 28 49 8d RSP: 0018:ffff88802cccfdb0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11005999fbb RCX: ffffc9000b2a9000 RDX: 1ffff1100501b80d RSI: ffffffff8701a215 RDI: ffff8880280dc068 RBP: ffff8880280dc040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880431c4a80 R13: 000000000000001c R14: ffff88802cccfe18 R15: 0000000000000000 __sys_bind+0x1e9/0x250 net/socket.c:1594 __do_sys_bind net/socket.c:1605 [inline] __se_sys_bind net/socket.c:1603 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1603 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f52af1fb639 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:00007f52ad76e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007f52af31bf80 RCX: 00007f52af1fb639 RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000006 RBP: 00007f52af256ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc02dd62df R14: 00007f52ad76e300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 13374 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_is_held_type+0x169/0x210 kernel/locking/lockdep.c:3948 Code: d0 7c 04 84 d2 75 6f 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 <75> 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d 0f 1f 44 00 00 RSP: 0018:ffff8880ba007b08 EFLAGS: 00000046 RAX: 1ffffffff13e3051 RBX: 0000000000000086 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff88808cf98bc4 RBP: ffff88808cf98340 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fd450cca700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556ef1708 CR3: 00000000aeeab000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: lock_is_held include/linux/lockdep.h:344 [inline] rcu_read_lock_sched_held+0x16c/0x1d0 kernel/rcu/update.c:118 trace_local_timer_entry arch/x86/include/asm/trace/irq_vectors.h:56 [inline] smp_apic_timer_interrupt+0x3fb/0x550 arch/x86/kernel/apic/apic.c:1095 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 7b 34 a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff8880ba007c38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88808cf98340 RCX: 1ffff110119f3188 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000286 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff11017400f8a R13: 40b9a79d4a71e2e3 R14: ffff88808cf98340 R15: 0000000000000004 __raw_spin_unlock include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock+0x17/0x40 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] mrp_join_timer+0x7b/0xc0 net/802/mrp.c:609 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:97 Code: ff 48 89 df e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 RSP: 0018:ffff888013aa76f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff818fb0f9 RDX: 0000000000000000 RSI: ffff88808cf98340 RDI: 0000000000000005 RBP: ffffea00029b6680 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea00029b6680 R15: 00007fd451b3d000 page_remove_file_rmap+0x85/0xa30 mm/rmap.c:1232 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd452757639 Code: Bad RIP value. RSP: 002b:00007fd450cca168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: 0000000000000005 RBX: 00007fd452877f80 RCX: 00007fd452757639 RDX: 0000000000000002 RSI: 0000000000000002 RDI: 000000000000001d RBP: 00007fd4527b2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc61deeaf R14: 00007fd450cca300 R15: 0000000000022000