audit: type=1400 audit(1670405013.931:12): avc: denied { watch_reads } for pid=14082 comm="syz-executor.6" path="/syzkaller-testdir695943706/syzkaller.FE0LbK/21" dev="sda" ino=15977 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.0:14053] Modules linked in: irq event stamp: 4202841 hardirqs last enabled at (4202840): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4202841): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4134578): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4134581): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 14053 Comm: syz-executor.0 Not tainted 6.1.0-rc8-next-20221206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_addr_match+0xa5/0x180 Code: 03 c7 44 24 20 00 00 00 00 83 e2 07 c6 44 24 26 00 42 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 cd 00 00 00 44 0f b6 a3 0a 3d 00 00 <31> ff 44 89 e6 e8 b1 be 4c fe 45 84 e4 74 2a e8 d7 c2 4c fe 48 8d RSP: 0018:ffff88806ce09af0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88803e25b3a0 RCX: 0000000000000100 RDX: 0000000000000002 RSI: ffffffff82fc9154 RDI: ffff88803e25f0aa RBP: 1ffff1100d9c135e R08: 0000000000000001 R09: ffff8880211105c7 R10: ffff888021110500 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888046978c54 R14: ffff888037353638 R15: ffff888021110430 FS: 00007f4c3962b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000d038 CR3: 000000003e208000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_tx_frame_no_nl.isra.0+0xb93/0x1360 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+0x54b/0xba0 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:netdev_init_one_queue+0xb/0x300 Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 49 89 f6 41 55 41 54 <55> 53 48 89 fb 48 83 ec 10 48 89 3c 24 e8 a3 83 f8 fd 49 8d be 80 RSP: 0018:ffff88801859fcf8 EFLAGS: 00000282 RAX: 0000000000000083 RBX: 0000000000000084 RCX: ffffc90003202000 RDX: 0000000000000000 RSI: ffff88804768c480 RDI: ffff8880381c0000 RBP: ffff8880381c0000 R08: 0000000000000004 R09: 0000000000000083 R10: 0000000000000100 R11: 0000000000000001 R12: 0000000000000100 R13: ffff888047680000 R14: ffff88804768c480 R15: ffffed1007038078 alloc_netdev_mqs+0x90f/0xfe0 __tun_chr_ioctl+0x1c5d/0x40d0 __x64_sys_ioctl+0x19e/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4c3c0b5b19 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:00007f4c3962b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4c3c1c8f60 RCX: 00007f4c3c0b5b19 RDX: 0000000020000000 RSI: 00000000400454ca RDI: 0000000000000003 RBP: 00007f4c3c10ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8f0cfa3f R14: 00007f4c3962b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 14060 Comm: syz-executor.3 Not tainted 6.1.0-rc8-next-20221206 #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 c6 c6 31 03 48 89 c6 31 d2 bf e0 06 00 00 e8 c3 ac RSP: 0018:ffff88806cf09840 EFLAGS: 00000012 RAX: 000001512fb2cccc RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000151 RSI: ffff88806cf28100 RDI: 00000000000001d4 RBP: ffff88806cf28100 R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000053d R11: 0000000000000001 R12: 00000000000001d4 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2b840 FS: 00007f28e3b1f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f205f392ae0 CR3: 000000000cda8000 CR4: 0000000000350ee0 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 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:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8441c9bb RDX: fffffbfff0b483a1 RSI: 0000000000000004 RDI: ffffffff85a41d00 RBP: ffffffff85a41d00 R08: 0000000000000000 R09: ffffffff85a41d03 R10: fffffbfff0b483a0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b483a0 R14: 0000000000000001 R15: 1ffff1100d9e1346 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+0x54b/0xba0 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:stack_access_ok+0x9f/0x1d0 Code: 3c 02 00 0f 85 17 01 00 00 48 8b 43 10 49 39 ed 77 1a 48 39 e8 76 15 4a 8d 54 25 00 48 39 d0 0f 93 c0 49 39 d5 0f 92 c2 20 d0 <75> 38 48 8d 7b 28 48 8d 4b 20 48 b8 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffff88803bdcf498 EFLAGS: 00000202 RAX: ffff88803bdd0001 RBX: ffff88803bdcf550 RCX: 0000000000000001 RDX: ffff88803bdcf901 RSI: ffff88803bdcf9e8 RDI: ffff88803bdcf560 RBP: ffff88803bdcf9e8 R08: ffffffff8635ecf8 R09: ffffffff8635ecfc R10: ffffed10077b9eb7 R11: 0000000000038001 R12: 0000000000000008 R13: ffff88803bdc8000 R14: ffff88803bdcf550 R15: ffffffff8635ecfd unwind_next_frame+0x94e/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 __create_object+0x389/0xc10 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc+0x46/0xc0 __netlink_kernel_create+0x1ad/0x870 rtnetlink_net_init+0xbc/0x150 ops_init+0xbb/0x680 setup_net+0x40c/0x9d0 copy_net_ns+0x31c/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b7/0x4a0 copy_process+0x29e3/0x7220 kernel_clone+0xeb/0x950 __do_sys_clone3+0x1d9/0x370 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f28e65a9b19 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:00007f28e3b1f188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f28e66bcf60 RCX: 00007f28e65a9b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f28e6603f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdae7ec28f R14: 00007f28e3b1f300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 03 c7 add %edi,%eax 2: 44 24 20 rex.R and $0x20,%al 5: 00 00 add %al,(%rax) 7: 00 00 add %al,(%rax) 9: 83 e2 07 and $0x7,%edx c: c6 44 24 26 00 movb $0x0,0x26(%rsp) 11: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax 16: 38 d0 cmp %dl,%al 18: 7f 08 jg 0x22 1a: 84 c0 test %al,%al 1c: 0f 85 cd 00 00 00 jne 0xef 22: 44 0f b6 a3 0a 3d 00 movzbl 0x3d0a(%rbx),%r12d 29: 00 * 2a: 31 ff xor %edi,%edi <-- trapping instruction 2c: 44 89 e6 mov %r12d,%esi 2f: e8 b1 be 4c fe callq 0xfe4cbee5 34: 45 84 e4 test %r12b,%r12b 37: 74 2a je 0x63 39: e8 d7 c2 4c fe callq 0xfe4cc315 3e: 48 rex.W 3f: 8d .byte 0x8d