watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:16115] Modules linked in: irq event stamp: 4208065 hardirqs last enabled at (4208064): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4208065): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4147886): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4147889): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 16115 Comm: syz-executor.3 Not tainted 6.1.0-rc4-next-20221111 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1fd/0x2130 Code: 48 89 54 24 28 48 89 74 24 20 44 89 5c 24 18 e8 a9 c3 69 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 5c 24 18 8b 0c 95 ec 2a 29 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 ec 2a 29 86 49 RSP: 0018:ffff88806d1095f8 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 0000000000000002 RCX: 00000000000a9a8e RDX: 0000000000030b9d RSI: 0000000000030b9d RDI: ffffffff86355960 RBP: ffff88806d1096d0 R08: ffffffff860ef79e R09: ffffffff860ef7a2 R10: ffffed100da212dc R11: 0000000000036001 R12: ffff88806d1096b9 R13: ffff88806d1096d8 R14: ffff88806d109678 R15: ffffffff840b9d82 FS: 00007f7c47277700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3012a000 CR3: 000000003e6fe000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1b1/0x3e0 __create_object+0x3d/0xc00 kmem_cache_alloc_node+0x25a/0x400 __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:refill_obj_stock+0x319/0x680 Code: 02 00 00 49 c7 45 28 00 00 00 00 48 c7 c6 62 5b 7e 81 4c 89 ef e8 c7 70 ad ff 48 83 3c 24 00 74 06 e8 4b 3f d1 ff fb 4d 85 f6 <74> 08 4c 89 f7 e8 2d 9c ff ff 45 85 ff 0f 85 8e 00 00 00 48 83 c4 RSP: 0018:ffff88801ee6fbe0 EFLAGS: 00000286 RAX: 000000000032245b RBX: ffff88806d135d60 RCX: ffffffff812b2e3f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88806d135d88 R08: 0000000000000001 R09: ffffffff874248a7 R10: fffffbfff0e84914 R11: 0000000000000001 R12: ffff8880141b6580 R13: ffff88806d135d60 R14: ffff8880093e8600 R15: 0000000000000001 obj_cgroup_charge+0x3c4/0x880 kmem_cache_alloc_lru+0x13b/0x740 __d_alloc+0x31/0x9c0 d_alloc+0x4a/0x1d0 __lookup_hash+0xcc/0x190 filename_create+0x1d6/0x4a0 do_mkdirat+0x96/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f7c49d00c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f7c47276fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c49d00c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f7c47277040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f7c47277000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 16108 Comm: syz-executor.5 Not tainted 6.1.0-rc4-next-20221111 #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 e6 56 2e 03 48 89 c6 31 d2 bf e0 06 00 00 e8 33 1b RSP: 0018:ffff88806d009840 EFLAGS: 00000016 RAX: 0000026a4358d06c RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 000000000000026a RSI: ffff88806d028100 RDI: 0000000000000468 RBP: ffff88806d028100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000c9f R11: 0000000000000001 R12: 0000000000000468 R13: 0000000000000000 R14: 0000000000000001 R15: ffff88806d02b600 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555f38c58 CR3: 000000001ee08000 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+0xb0/0xc80 Code: b8 00 00 00 00 00 fc ff df 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 be 04 00 00 00 48 89 ef e8 c5 42 3e fd 41 0f b6 45 00 <41> 38 c4 7c 08 84 c0 0f 85 1c 0a 00 00 8b 5d 00 85 db 75 62 be 04 RSP: 0018:ffff88806d009a28 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff843e243b RDX: fffffbfff0b08919 RSI: 0000000000000004 RDI: ffffffff858448c0 RBP: ffffffff858448c0 R08: 0000000000000000 R09: ffffffff858448c3 R10: fffffbfff0b08918 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b08918 R14: 0000000000000001 R15: 1ffff1100da01346 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:perf_trace_lock+0x116/0x560 Code: 20 ea 11 03 4c 8b 95 50 ff ff ff 48 ba 00 00 00 00 00 fc ff df 89 c0 48 8d 3c c5 c0 88 01 85 48 89 fe 48 c1 ee 03 80 3c 16 00 <0f> 85 9d 02 00 00 49 8d bf 80 00 00 00 48 03 1c c5 c0 88 01 85 48 RSP: 0018:ffff88803e7a7540 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000607f92c00eb0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 1ffffffff0a03118 RDI: ffffffff850188c0 RBP: ffff88803e7a7618 R08: 0000000000000000 R09: ffffffff85b0ee97 R10: 0000000000000010 R11: 0000000000000001 R12: 1ffff11007cf4eae R13: ffff88801a5ba378 R14: ffff88803e7a75f0 R15: ffffffff8530bc00 lock_release+0x4b2/0x750 _raw_spin_unlock+0x16/0x50 unmap_page_range+0xd42/0x2c30 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: 0033:0x7f1333b04c27 Code: Unable to access opcode bytes at 0x7f1333b04bfd. RSP: 002b:00007f133107afa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1333b04c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f133107b040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f133107b000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 5c 24 18 mov %r11d,0x18(%rsp) f: e8 a9 c3 69 00 callq 0x69c3bd 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 5c 24 18 mov 0x18(%rsp),%r11d 23: 8b 0c 95 ec 2a 29 86 mov -0x79d6d514(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 ec 2a 29 lea -0x79d6d514(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB