device lo left promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo entered promiscuous mode watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.4:17735] Modules linked in: irq event stamp: 5005247 hardirqs last enabled at (5005246): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5005247): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4975908): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4975911): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 17735 Comm: syz-executor.4 Not tainted 6.1.0-rc5-next-20221118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_stack_walk+0x8d/0xf0 Code: 8b 95 68 ff ff ff 85 d2 75 24 eb 36 4c 89 e7 e8 a9 13 35 03 84 c0 74 2a 48 8d bd 68 ff ff ff e8 09 26 07 00 8b 85 68 ff ff ff <85> c0 74 14 48 8d bd 68 ff ff ff e8 63 23 07 00 48 89 c6 48 85 c0 RSP: 0018:ffff88806cf09718 EFLAGS: 00000292 RAX: 0000000000000002 RBX: ffffffff8137f120 RCX: 0000000000000000 RDX: 0000000000000101 RSI: ffff88806cf09b50 RDI: 0000000000000001 RBP: ffff88806cf097b0 R08: ffffffff8636070a R09: ffffffff8636070e R10: ffffed100d9e12f0 R11: ffff88806cf09758 R12: ffff88806cf097e0 R13: 0000000000000000 R14: ffff888033361ac0 R15: 0000000000000820 FS: 00007ff47b161700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e2d4f52f00 CR3: 00000000432f2000 CR4: 0000000000350ee0 Call Trace: stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f4/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:memcg_account_kmem+0x1b/0x70 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 fd 53 89 f3 9c 58 fa f6 c4 02 75 15 89 f2 be 2d 00 00 00 e8 45 fe ff ff <66> 90 5b 5d e9 f0 01 c2 02 e8 47 4c d1 ff 89 da be 2d 00 00 00 48 RSP: 0018:ffff888043bf77d8 EFLAGS: 00000206 RAX: 000000000031c8dd RBX: 0000000000000001 RCX: ffffffff812b6aff RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88804435e000 R08: 0000000000000001 R09: ffffffff8763289f R10: fffffbfff0ec6513 R11: 0000000000000001 R12: ffff88804435e000 R13: ffffffff879bf740 R14: ffff88804435e054 R15: 0000000000000001 obj_cgroup_charge+0x371/0x880 kmem_cache_alloc_lru+0x14e/0x760 alloc_inode+0x178/0x240 new_inode+0x25/0x1f0 devpts_pty_new+0xc2/0x810 ptmx_open+0x1c6/0x370 chrdev_open+0x26c/0x6e0 do_dentry_open+0x6ca/0x12b0 path_openat+0x1847/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x143/0x200 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff47dbebb19 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:00007ff47b161188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff47dcfef60 RCX: 00007ff47dbebb19 RDX: 0000000000000000 RSI: 0000000020000640 RDI: ffffffffffffff9c RBP: 00007ff47dc45f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef333738f R14: 00007ff47b161300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17725 Comm: syz-executor.5 Not tainted 6.1.0-rc5-next-20221118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 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 16 a3 30 03 48 89 c6 31 d2 bf e0 06 00 00 e8 73 d7 RSP: 0018:ffff88806ce09840 EFLAGS: 00000012 RAX: 000001d61964a824 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000001d6 RSI: ffff88806ce28100 RDI: 000000000000015d RBP: ffff88806ce28100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000153 R11: 0000000000000001 R12: 000000000000015d R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806ce2b600 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0ce40198e0 CR3: 0000000010204000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 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: ffffffff84408f8b RDX: fffffbfff0b48b11 RSI: 0000000000000004 RDI: ffffffff85a45880 RBP: ffffffff85a45880 R08: 0000000000000000 R09: ffffffff85a45883 R10: fffffbfff0b48b10 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48b10 R14: 0000000000000001 R15: 1ffff1100d9c1346 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:check_preemption_disabled+0x33/0x180 Code: 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 61 0c c5 7b 65 8b 1d 56 0c c5 7b 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db <74> 15 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e e9 2a 35 02 RSP: 0018:ffff8880446275b0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000046bf88b3 RDX: 1ffff110011847db RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffffff849ee580 R08: 0000000000000000 R09: ffffffff87632847 R10: fffffbfff0ec6508 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff849ee540 R14: dffffc0000000000 R15: ffff888044627ad8 rcu_is_watching+0x15/0xb0 folio_memcg_lock+0x43/0x4a0 page_remove_rmap+0x102/0x780 unmap_page_range+0x1fdf/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f66a0a79b19 Code: Unable to access opcode bytes at 0x7f66a0a79aef. RSP: 002b:00007f669dfef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f66a0b8cf60 RCX: 00007f66a0a79b19 RDX: 0000000020000000 RSI: 0000000000008914 RDI: 0000000000000004 RBP: 00007f66a0ad3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7d2cd8df R14: 00007f669dfef300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 8b 95 68 ff ff ff mov -0x98(%rbp),%edx 6: 85 d2 test %edx,%edx 8: 75 24 jne 0x2e a: eb 36 jmp 0x42 c: 4c 89 e7 mov %r12,%rdi f: e8 a9 13 35 03 callq 0x33513bd 14: 84 c0 test %al,%al 16: 74 2a je 0x42 18: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 1f: e8 09 26 07 00 callq 0x7262d 24: 8b 85 68 ff ff ff mov -0x98(%rbp),%eax * 2a: 85 c0 test %eax,%eax <-- trapping instruction 2c: 74 14 je 0x42 2e: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 35: e8 63 23 07 00 callq 0x7239d 3a: 48 89 c6 mov %rax,%rsi 3d: 48 85 c0 test %rax,%rax