audit: type=1400 audit(1668761376.395:10): avc: denied { block_suspend } for pid=9418 comm="syz-executor.6" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:9417] Modules linked in: irq event stamp: 3917517 hardirqs last enabled at (3917516): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3917517): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3883492): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3883495): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 9417 Comm: syz-executor.0 Not tainted 6.1.0-rc5-next-20221117 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 Code: be a8 01 00 00 e8 a0 ff ff ff 31 c0 e9 5d 57 f7 02 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 7d 9e ba 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffff88806ce09a80 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88801f160000 RSI: ffffffff8404b467 RDI: 0000000000000005 RBP: ffff88806ce09b28 R08: 0000000000000005 R09: 0000000000000004 R10: 0000000000000004 R11: 0000000000000001 R12: ffff88802fd74b40 R13: 0000000000000000 R14: ffff88801a0edcbc R15: 0000000000000004 FS: 00007f26bb043700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561d7c5d73b8 CR3: 000000004364e000 CR4: 0000000000350ef0 Call Trace: rate_control_get_rate+0x184/0x510 ieee80211_beacon_get_finish+0x43e/0x610 __ieee80211_beacon_get+0x53b/0x1380 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __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:__sanitizer_cov_trace_pc+0x50/0x70 Code: 0e 85 c9 74 35 8b 82 0c 14 00 00 85 c0 74 2b 8b 82 e8 13 00 00 83 f8 02 75 20 48 8b 8a f0 13 00 00 8b 92 ec 13 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 01 48 89 34 c1 e9 df 56 f7 02 66 RSP: 0018:ffff8880450873f8 EFLAGS: 00000246 RAX: 000000000003ffff RBX: 00007f26bdacdb19 RCX: ffffc9000420a000 RDX: 0000000000040000 RSI: ffffffff81007ec0 RDI: 00007f26bdacdb19 RBP: 00007f26bdacdb19 R08: ffffffff8646af2e R09: ffffffff8646af32 R10: ffffed1008a10e9c R11: 0000000000038001 R12: ffff888045087540 R13: 0000000000000000 R14: ffff88801f160000 R15: 00000000000000f0 in_gate_area_no_mm+0x10/0x80 core_kernel_text+0x24/0xa0 kernel_text_address+0x11/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e0/0x410 __create_object+0x3d/0xc00 kmem_cache_alloc_bulk+0x409/0x790 mas_alloc_nodes+0x2ff/0x800 mas_node_count_gfp+0x106/0x140 mas_expected_entries+0x117/0x210 dup_mmap+0x45d/0x10b0 copy_process+0x6b69/0x7220 kernel_clone+0xeb/0x950 __do_sys_fork+0x80/0xc0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f26bdacdb19 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:00007f26bb043188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f26bdbe0f60 RCX: 00007f26bdacdb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f26bdb27f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1f553cbf R14: 00007f26bb043300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: be a8 01 00 00 mov $0x1a8,%esi 5: e8 a0 ff ff ff callq 0xffffffaa a: 31 c0 xor %eax,%eax c: e9 5d 57 f7 02 jmpq 0x2f7576e 11: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 18: 00 00 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 65 8b 05 7d 9e ba 7e mov %gs:0x7eba9e7d(%rip),%eax # 0x7eba9eb2 35: 89 c1 mov %eax,%ecx 37: 48 8b 34 24 mov (%rsp),%rsi 3b: 81 .byte 0x81 3c: e1 00 loope 0x3e 3e: 01 00 add %eax,(%rax)