watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.5:7326] Modules linked in: irq event stamp: 4692729 hardirqs last enabled at (4692728): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4692729): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4660660): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4660663): [] __irq_exit_rcu+0x11b/0x190 CPU: 0 PID: 7326 Comm: syz-executor.5 Not tainted 6.1.0-rc1-next-20221020 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc90 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 be 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff843613c7 RDX: fffffbfff0ac8129 RSI: 0000000000000004 RDI: ffffffff85640940 RBP: ffffffff85640940 R08: 0000000000000000 R09: ffffffff85640943 R10: fffffbfff0ac8128 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac8128 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 00007f3b9171c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555834708 CR3: 000000000ea06000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1dc/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:copy_page_range+0xfa5/0x43c0 Code: 48 85 c0 0f 84 96 05 00 00 e8 87 23 db ff 49 8d 46 08 48 89 44 24 60 48 c1 e8 03 42 80 3c 28 00 0f 85 ec 2b 00 00 49 8b 46 08 <31> ff 49 89 c7 48 89 44 24 58 41 83 e7 01 4c 89 fe e8 b5 1f db ff RSP: 0018:ffff88802140f768 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 8000000044d0f007 RCX: ffffc9001223d000 RDX: 0000000000040000 RSI: ffffffff816cf849 RDI: 0000000000000006 RBP: ffff888019c22928 R08: 0000000000000006 R09: 0000000000044d0f R10: 000000000007ffdf R11: 0000000000000001 R12: 0000000000000018 R13: dffffc0000000000 R14: ffffea00011343c0 R15: 0000000000000000 dup_mmap+0xa4a/0xfd0 dup_mm+0x91/0x390 copy_process+0x6a82/0x6ea0 kernel_clone+0xe7/0x8a0 __do_sys_fork+0x7c/0xc0 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3b941a6b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3b9171c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f3b942b9f60 RCX: 00007f3b941a6b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f3b94200f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe34ad965f R14: 00007f3b9171c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7374 Comm: syz-executor.1 Not tainted 6.1.0-rc1-next-20221020 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x175/0x1d0 Code: ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 21 86 ba 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 db 80 38 00 <74> f2 e9 64 ff ff ff 41 bb 01 00 00 00 44 89 d8 e9 f6 85 ba 02 48 RSP: 0018:ffff88806cf09530 EFLAGS: 00000046 RAX: fffffbfff0b214e2 RBX: fffffbfff0b214e3 RCX: ffffffff812b8548 RDX: fffffbfff0b214e3 RSI: 0000000000000008 RDI: ffffffff8590a710 RBP: fffffbfff0b214e2 R08: 0000000000000000 R09: ffffffff8590a717 R10: fffffbfff0b214e2 R11: 0000000000000001 R12: ffffffff85227288 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007ffa589bc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3132b000 CR3: 0000000042bc8000 CR4: 0000000000350ee0 Call Trace: lock_release+0x98/0x760 ktime_get+0x8d/0x200 clockevents_program_event+0x14b/0x370 tick_program_event+0xac/0x150 hrtimer_interrupt+0x366/0x780 __sysvec_apic_timer_interrupt+0x144/0x510 sysvec_apic_timer_interrupt+0x3b/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:unwind_next_frame+0x925/0x2140 Code: fd f9 ff ff e9 b8 9a 11 03 e8 07 53 69 00 e9 24 f7 ff ff 4c 89 e7 e8 ba 52 69 00 e9 16 f8 ff ff 0f 1f 44 00 00 e9 b1 fa ff ff <48> 8b 44 24 18 ba 08 00 00 00 4c 89 f7 4c 89 4c 24 30 4c 89 44 24 RSP: 0018:ffff88806cf09848 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffff88806cf098c8 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88806cf09970 R08: ffffffff85c4e8f4 R09: ffffffff85c4e8f8 R10: ffffed100d9e1330 R11: 0000000000036001 R12: ffff88806cf09959 R13: ffff88806cf09978 R14: ffff88806cf09918 R15: ffffffff85c4e8f9 __unwind_start+0x50f/0x7d0 arch_stack_walk+0x5f/0x100 stack_trace_save+0x8c/0xd0 __create_object+0x389/0xc20 kmem_cache_alloc_node+0x252/0x410 __alloc_skb+0x210/0x310 skb_copy+0x139/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1370 mac80211_hwsim_tx_frame+0x1ee/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:kmem_cache_free+0x7b/0x620 Code: 08 48 8b 05 c7 86 87 03 49 39 dc 0f 83 8a 01 00 00 4c 01 e0 48 8b 0d f4 b3 73 03 48 c1 e8 0c 48 c1 e0 06 48 01 c8 48 8b 50 08 <49> 89 c4 f6 c2 01 0f 85 ea 02 00 00 0f 1f 44 00 00 49 8b 04 24 f6 RSP: 0018:ffff8880452bf970 EFLAGS: 00000282 RAX: ffffea00003bb040 RBX: ffff88800eec18f0 RCX: ffffea0000000000 RDX: ffff88800883ec80 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880452bf9a8 R08: 0000000000000000 R09: ffff8880441d8007 R10: ffffed100883b000 R11: 0000000000000001 R12: ffff88808eec18f0 R13: ffffffff816f5c5f R14: ffff8880452bf9f8 R15: ffff88800883ec80 exit_mmap+0x24f/0x690 mmput+0xd1/0x3a0 dup_mm+0x2e6/0x390 copy_process+0x6a82/0x6ea0 kernel_clone+0xe7/0x8a0 __do_sys_fork+0x7c/0xc0 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ffa5b446b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffa589bc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007ffa5b559f60 RCX: 00007ffa5b446b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffa5b4a0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff86eca05f R14: 00007ffa589bc300 R15: 0000000000022000 Process accounting resumed Process accounting resumed Process accounting resumed ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 cd 0a 00 00 jne 0xadf 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 be 1f 00 00 jmpq 0x1fe6 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e5 test %ah,%ch