watchdog: BUG: soft lockup - CPU#1 stuck for 115s! [syz-executor.5:12288] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x21e7/0x7400 kernel/fork.c:2442 softirqs last enabled at (0): [] copy_process+0x2228/0x7400 kernel/fork.c:2446 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 12288 Comm: syz-executor.5 Not tainted 6.6.0-rc1-syzkaller-00198-g81335f90e8a8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200 Code: c6 6b 9d 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 3d ee 7b 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffffc900001f0610 EFLAGS: 00000246 RAX: ffff8880791dd940 RBX: ffffc900001f0678 RCX: 0000000000000100 RDX: ffff8880791dd940 RSI: ffffffff813a6e3f RDI: 0000000000000001 RBP: ffffc900001f0708 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000420042 R12: ffff8880791dd940 R13: 0000000000000000 R14: ffffc900001f06a0 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00008f000 CR3: 00000000200d7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x6ad/0x880 arch/x86/kernel/unwind_orc.c:714 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xaf/0x170 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x185/0x3f0 mm/slub.c:3523 kmalloc_reserve+0x166/0x260 net/core/skbuff.c:559 __alloc_skb+0x12b/0x330 net/core/skbuff.c:650 __netdev_alloc_skb+0x72/0x3f0 net/core/skbuff.c:714 netdev_alloc_skb include/linux/skbuff.h:3225 [inline] dev_alloc_skb include/linux/skbuff.h:3238 [inline] hsr_init_skb+0x122/0x520 net/hsr/hsr_device.c:249 send_hsr_supervision_frame+0xbe/0x810 net/hsr/hsr_device.c:292 hsr_announce+0x116/0x380 net/hsr/hsr_device.c:382 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:zap_pte_range mm/memory.c:1515 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1573 [inline] RIP: 0010:zap_pud_range mm/memory.c:1602 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1623 [inline] RIP: 0010:unmap_page_range+0xaba/0x2c10 mm/memory.c:1644 Code: 00 e8 ea c4 bf ff 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 43 19 00 00 49 c7 45 00 00 00 00 00 e8 cb c4 bf ff 48 8b 5c 24 08 <49> 83 c5 08 4c 8b 7c 24 18 48 89 de 4c 89 ff e8 c2 bf bf ff 48 8d RSP: 0018:ffffc9001520f738 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000020158000 RCX: 0000000000000000 RDX: ffff8880791dd940 RSI: ffffffff81c809b5 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 1ffff1100f20b442 R12: 0000000000000000 R13: ffff8880771f3ab8 R14: dffffc0000000000 R15: 0000000020200000 unmap_single_vma+0x194/0x2b0 mm/memory.c:1690 unmap_vmas+0x1e8/0x330 mm/memory.c:1731 exit_mmap+0x1ad/0xa60 mm/mmap.c:3210 __mmput+0x12a/0x4d0 kernel/fork.c:1349 mmput+0x62/0x70 kernel/fork.c:1371 exit_mm kernel/exit.c:567 [inline] do_exit+0x9b4/0x2a20 kernel/exit.c:861 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f42f747cae9 Code: Unable to access opcode bytes at 0x7f42f747cabf. RSP: 002b:00007f42f5ffe178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007f42f759bf88 RCX: 00007f42f747cae9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f42f759bf8c RBP: 00007f42f759bf80 R08: 0000000000000001 R09: 00007f42f5ffe6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42f759bf8c R13: 000000000000000b R14: 00007ffd7193f140 R15: 00007ffd7193f228 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 12270 Comm: syz-executor.1 Not tainted 6.6.0-rc1-syzkaller-00198-g81335f90e8a8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:perf_trace_buf_alloc+0x191/0x260 kernel/trace/trace_event_perf.c:415 Code: 00 0f 85 93 00 00 00 4a 03 1c e5 40 ea 5c 8c ba 08 00 00 00 31 f6 48 8d 7c 2b f8 e8 29 ef ae 08 e8 84 9b f7 ff 48 89 d8 5b 5d <41> 5c 41 5d 41 5e c3 e8 73 9b f7 ff 0f b6 1d 67 04 28 0d 31 ff 89 RSP: 0000:ffffc90000007440 EFLAGS: 00000046 RAX: ffffe8ffffcca000 RBX: 1ffff92000000e90 RCX: 0000000000000100 RDX: ffff888021829dc0 RSI: ffffffff819032fc RDI: ffffe8ffffcca014 RBP: ffffc90000007528 R08: 0000000000000004 R09: 0000000000000004 R10: ffffe8ffffcca00c R11: 0000000000000000 R12: 0000000000000000 R13: ffffc900000074c0 R14: 0000000000000000 R15: ffffe8ffffc2c1b0 FS: 00007fb0e100a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000054e18 CR3: 00000000278f3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: perf_trace_preemptirq_template+0x12c/0x460 include/trace/events/preemptirq.h:14 trace_irq_enable.constprop.0+0xb4/0x100 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x26/0x40 kernel/trace/trace_preemptirq.c:56 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:__sanitizer_cov_trace_cmp8+0x8/0x20 kernel/kcov.c:283 Code: 00 00 f3 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 f8 fe ff ff 0f 1f 84 00 00 00 RSP: 0000:ffffc90000007600 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc90000007688 RCX: ffffffff813a599c RDX: ffff888021829dc0 RSI: ffffc90000007fe8 RDI: ffffc90000007f30 RBP: ffffc90000007fe8 R08: 0000000000000004 R09: 0000000000000002 R10: 0000000000000002 R11: dffffc0000000000 R12: ffffc90000000000 R13: ffffc90000008000 R14: ffffc90000007ff0 R15: ffffc90000007f30 unwind_next_frame+0x122c/0x2390 arch/x86/kernel/unwind_orc.c:665 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x185/0x3f0 mm/slub.c:3523 kmalloc_reserve+0x166/0x260 net/core/skbuff.c:559 __alloc_skb+0x12b/0x330 net/core/skbuff.c:650 alloc_skb include/linux/skbuff.h:1286 [inline] new_skb+0x21/0x200 drivers/block/aoe/aoecmd.c:66 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:425 [inline] aoecmd_cfg+0x2a5/0x7b0 drivers/block/aoe/aoecmd.c:1362 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:preempt_schedule_irq+0x4d/0x90 kernel/sched/core.c:7007 Code: 55 65 48 8b 2c 25 c0 bc 03 00 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 6e 4f 19 f7 e8 f9 29 4d f7 fb bf 01 00 00 00 5e 99 ff ff 9c 58 fa f6 c4 02 75 1a bf 01 00 00 00 e8 ac 15 19 RSP: 0000:ffffc90015057928 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffffed10043053b8 RCX: 1ffffffff1d9cb7b RDX: 0000000000000000 RSI: ffffffff8ae92920 RDI: 0000000000000001 RBP: ffff888021829dc0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8ece2657 R11: 5050505001000011 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x35/0x80 kernel/entry/common.c:432 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x70 kernel/kcov.c:207 Code: 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa <65> 8b 05 3d ee 7b 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0000:ffffc900150579f0 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 0000000000000006 RCX: ffffffff8a2d9c48 RDX: ffff888021829dc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888077472200 R08: 0000000000000000 R09: 0000000000000006 R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000002 R13: ffffffffffffffff R14: ffffc90015057b70 R15: ffffffffffffffff mas_next_slot+0x286/0x1d40 lib/maple_tree.c:4607 mas_next lib/maple_tree.c:5640 [inline] mas_find+0xe4/0x320 lib/maple_tree.c:5632 vma_next include/linux/mm.h:952 [inline] acct_collect+0x67b/0x8f0 kernel/acct.c:565 do_exit+0x17d5/0x2a20 kernel/exit.c:853 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0033:0x7fb0e027cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb0e100a178 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 00007fb0e039bf88 RCX: 00007fb0e027cae9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb0e039bf8c RBP: 00007fb0e039bf80 R08: 0000000000000001 R09: 00007fb0e100a6c0 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fb0e039bf8c R13: 000000000000000b R14: 00007ffe1c4faf50 R15: 00007ffe1c4fb038