watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.4:13470] Modules linked in: irq event stamp: 4289581 hardirqs last enabled at (4289580): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4289581): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4237364): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4237367): [] __irq_exit_rcu+0x11b/0x190 CPU: 0 PID: 13470 Comm: syz-executor.4 Not tainted 6.1.0-rc2-next-20221028 #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 ce 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: ffffffff8438f6b7 RDX: fffffbfff0ac8239 RSI: 0000000000000004 RDI: ffffffff856411c0 RBP: ffffffff856411c0 R08: 0000000000000000 R09: ffffffff856411c3 R10: fffffbfff0ac8238 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac8238 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 00007f6a8c9ba700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9522b66004 CR3: 0000000030c50000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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:ext4_get_group_desc+0x218/0x500 Code: 85 ff 4d 85 e4 0f 84 55 02 00 00 e8 a2 1b a2 ff 49 8d 7c 24 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 90 02 00 00 4c 89 f2 4d 8b 7c 24 28 8b 1c 24 48 b8 00 00 00 RSP: 0018:ffff888043947628 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90011c91000 RDX: 1ffff11001048fd5 RSI: ffffffff81a5fece RDI: ffff888008247ea8 RBP: ffff88800f76a000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888008247e80 R13: 0000000000000000 R14: ffff88800f76a650 R15: 0000000000000000 __ext4_new_inode+0x94b/0x55f0 ext4_create+0x2e0/0x4f0 lookup_open.isra.0+0xeee/0x1280 path_openat+0x964/0x2a10 do_filp_open+0x1b6/0x420 do_sys_openat2+0x171/0x4d0 __x64_sys_openat+0x13f/0x200 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f6a8f444b19 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:00007f6a8c9ba188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f6a8f557f60 RCX: 00007f6a8f444b19 RDX: 00000000000026e1 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f6a8f49ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff03d5aa8f R14: 00007f6a8c9ba300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 13468 Comm: syz-executor.3 Not tainted 6.1.0-rc2-next-20221028 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x21/0x50 Code: 90 90 90 90 90 90 90 90 90 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 46 40 29 03 48 89 c6 31 d2 bf e0 06 00 00 e8 47 ca RSP: 0018:ffff88806cf09a10 EFLAGS: 00000013 RAX: 000000fde05b78c8 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000fd RSI: ffff88806cf27100 RDI: 00000000000004ff RBP: ffff88806cf27100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000e50 R11: 0000000000000001 R12: 00000000000004ff R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2a600 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056364d0b0790 CR3: 000000000f95e000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x244/0x370 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:__ieee80211_beacon_get+0x12f/0x1390 Code: 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb f8 02 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 50 10 00 00 48 8b 83 f8 02 00 00 <48> 89 44 24 08 e8 27 79 2e fd 31 ff 89 c3 89 c6 e8 8c 50 44 fd 85 RSP: 0018:ffff88806cf09bf0 EFLAGS: 00000246 RAX: ffff88803bdeb558 RBX: ffff88803e506340 RCX: 0000000000000100 RDX: 1ffff11007ca0cc7 RSI: ffffffff8403c5a6 RDI: ffff88803e506638 RBP: ffff88803e5062e8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803e505e88 R13: 0000000000000000 R14: 1ffff1100d9e1392 R15: ffff888033bd0de0 ieee80211_beacon_get_tim+0x95/0x4f0 mac80211_hwsim_beacon_tx+0x1ce/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:unmap_page_range+0xa39/0x2a50 Code: 48 8b 44 24 08 48 2d 00 10 00 00 48 89 04 24 e8 4d 51 dc ff 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 0f 85 4a 16 00 00 4d 8b 2c 24 <31> ff 4c 89 ed 48 83 e5 9f 48 89 ee e8 86 4d dc ff 48 85 ed 74 88 RSP: 0018:ffff888043937700 EFLAGS: 00000246 RAX: 1ffff11003f07b40 RBX: ffff888043937ad8 RCX: 0000000000000000 RDX: ffff88800e360000 RSI: ffffffff816bc923 RDI: 0000000000000006 RBP: 00007fb682c00000 R08: 0000000000000006 R09: 00007fb682b40000 R10: 00007fb682c00000 R11: 0000000000000001 R12: ffff88801f83da00 R13: 8000000037227007 R14: dffffc0000000000 R15: 00007fb682b40000 unmap_single_vma+0x190/0x2b0 unmap_vmas+0x21e/0x380 exit_mmap+0x154/0x690 mmput+0xd1/0x3a0 do_exit+0x993/0x2730 do_group_exit+0xd0/0x2b0 get_signal+0x2195/0x22e0 arch_do_signal_or_restart+0x75/0x5b0 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: 0033:0x7fb684b71b19 Code: Unable to access opcode bytes at 0x7fb684b71aef. RSP: 002b:00007fb6820e7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000004 RBX: 00007fb684c84f60 RCX: 00007fb684b71b19 RDX: 00000000000026e1 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007fb684bcbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea4cd043f R14: 00007fb6820e7300 R15: 0000000000022000 ---------------- 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 ce 1f 00 00 jmpq 0x1ff6 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