watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:4773] Modules linked in: irq event stamp: 4698481 hardirqs last enabled at (4698480): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4698481): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4673178): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4673181): [] __irq_exit_rcu+0x11b/0x190 CPU: 0 PID: 4773 Comm: syz-executor.2 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:__sanitizer_cov_trace_pc+0xd/0x80 Code: 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 8b 05 31 59 bb 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 00 75 03 00 a9 00 01 ff 00 74 0e RSP: 0018:ffff88806ce09b78 EFLAGS: 00000202 RAX: 0000000000000102 RBX: ffff88804135b3a0 RCX: 0000000000000102 RDX: ffff888020575040 RSI: ffffffff82f45730 RDI: 0000000000000007 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803bb4b640 R13: ffff88802178b3a0 R14: ffff88802178b638 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055eae81cf218 CR3: 0000000017680000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_tx_frame_no_nl.isra.0+0x900/0x1370 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:__sanitizer_cov_trace_pc+0x7/0x80 Code: c0 e9 4d 18 ee 02 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 8b 05 31 59 bb 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 75 03 00 a9 RSP: 0018:ffff888043517640 EFLAGS: 00000293 RAX: 0000000000000001 RBX: fffffffffffffff9 RCX: ffffffff816bdf7f RDX: ffff888020575040 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff88801be52728 R08: 0000000000000005 R09: 0000000000000004 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888043517a30 R13: 0000000000000001 R14: dffffc0000000000 R15: ffff88804351776c unmap_page_range+0xccc/0x2a20 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0xa2e/0x2800 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x89/0x1bf0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f6665331b19 Code: Unable to access opcode bytes at 0x7f6665331aef. RSP: 002b:00007f66628a7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000001000 RBX: 00007f6665444f60 RCX: 00007f6665331b19 RDX: 00000000000292e9 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f666538bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe78cdc27f R14: 00007f66628a7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4775 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:write_comp_data+0x10/0xa0 Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 f1 49 89 d2 49 89 f8 65 8b 05 b8 5e bb 7e <89> c6 81 e6 00 01 00 00 65 48 8b 14 25 00 75 03 00 a9 00 01 ff 00 RSP: 0018:ffff88806cf09328 EFLAGS: 00000046 RAX: 0000000000010102 RBX: ffff8880177728e8 RCX: ffffffff815810b4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffff88806cf095c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000008 R15: ffff88806cf09468 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffaf0721430 CR3: 0000000017680000 CR4: 0000000000350ee0 Call Trace: __perf_event_header__init_id+0x254/0x620 perf_prepare_sample+0x1e7/0x21f0 perf_event_output_forward+0xda/0x290 __perf_event_overflow+0x191/0x550 perf_swevent_hrtimer+0x35d/0x3e0 __hrtimer_run_queues+0x184/0xb60 hrtimer_interrupt+0x315/0x780 __sysvec_apic_timer_interrupt+0x144/0x510 sysvec_apic_timer_interrupt+0x3b/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 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:ffff88806cf09a28 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: 1ffff1100d9e1346 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:lock_acquire+0x1b/0x540 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 57 41 89 f7 41 56 49 89 fe 41 55 41 89 d5 41 54 <41> 89 cc 55 44 89 c5 53 48 81 ec b0 00 00 00 48 8d 5c 24 10 4c 89 RSP: 0018:ffff88801bf3f5b8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff852078e0 RBP: ffffea0000dbc3c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000000 R14: ffffffff852078e0 R15: 0000000000000000 __mod_lruvec_page_state+0x8b/0x340 page_remove_rmap+0x2ce/0x4a0 unmap_page_range+0x1c26/0x2a20 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0xa2e/0x2800 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x89/0x1bf0 exit_to_user_mode_prepare+0x131/0x1b0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f64daa27c27 Code: Unable to access opcode bytes at 0x7f64daa27bfd. RSP: 002b:00007f64d7f9dfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f64daa27c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f64d7f9e040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f64d7f9e000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 7: 00 00 00 00 b: 66 90 xchg %ax,%ax d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 65 8b 05 31 59 bb 7e mov %gs:0x7ebb5931(%rip),%eax # 0x7ebb5955 24: 89 c1 mov %eax,%ecx 26: 48 8b 34 24 mov (%rsp),%rsi * 2a: 81 e1 00 01 00 00 and $0x100,%ecx <-- trapping instruction 30: 65 48 8b 14 25 00 75 mov %gs:0x37500,%rdx 37: 03 00 39: a9 00 01 ff 00 test $0xff0100,%eax 3e: 74 0e je 0x4e