loop2: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.5:16406] Modules linked in: irq event stamp: 3209029 hardirqs last enabled at (3209028): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3209029): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3184708): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3184711): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 16406 Comm: syz-executor.5 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 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:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8442783b RDX: fffffbfff0b48541 RSI: 0000000000000004 RDI: ffffffff85a42a00 RBP: ffffffff85a42a00 R08: 0000000000000000 R09: ffffffff85a42a03 R10: fffffbfff0b48540 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48540 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 00007fe828917700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559fded8df40 CR3: 000000001630e000 CR4: 0000000000350ef0 Call Trace: 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/0xc70 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:strlen+0x47/0xa0 Code: 08 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 50 80 7d 00 00 74 3d 48 bb 00 00 00 00 00 fc ff df 48 89 e8 48 83 c0 01 <48> 89 c2 48 89 c1 48 c1 ea 03 83 e1 07 0f b6 14 1a 38 ca 7f 04 84 RSP: 0018:ffff88801940eda0 EFLAGS: 00000282 RAX: ffffffff8488526d RBX: dffffc0000000000 RCX: 0000000000000004 RDX: 0000000000000006 RSI: ffffffff85608660 RDI: ffffffff84885260 RBP: ffffffff84885260 R08: 0000000000000002 R09: 0000000000000000 R10: fffffbfff0ba1252 R11: 0000000000000001 R12: 1ffff11003281dc0 R13: ffffffff8550be60 R14: ffffffff85608660 R15: ffff88801940ee80 perf_trace_lock_acquire+0xc3/0x530 trace_lock_acquire+0x105/0x1c0 lock_acquire+0x32/0xc0 __is_insn_slot_addr+0x41/0x250 kernel_text_address+0x48/0xc0 __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_kmalloc+0x82/0x90 __kmalloc_node_track_caller+0x53/0xb0 kmemdup+0x2c/0x60 sidtab_sid2str_get+0x180/0x650 sidtab_entry_to_string+0x33/0x110 security_sid_to_context_core+0x33b/0x570 selinux_inode_init_security+0x4c6/0x6b0 security_inode_init_security+0x155/0x360 __ext4_new_inode+0x39a9/0x55e0 ext4_create+0x2e4/0x4e0 lookup_open.isra.0+0xed0/0x1250 path_openat+0x946/0x29b0 do_filp_open+0x36d/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x143/0x200 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fe82b3a1b19 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:00007fe828917188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe82b4b4f60 RCX: 00007fe82b3a1b19 RDX: 0000000000004042 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007fe82b3fbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3cc324af R14: 00007fe828917300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 16362 Comm: syz-executor.7 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:write_comp_data+0x10/0x90 Code: 7a 70 f9 02 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 f1 49 89 d2 49 89 f8 65 8b 05 d8 60 ba 7e <89> c6 81 e6 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 00 01 ff 00 RSP: 0018:ffff88806cf09570 EFLAGS: 00000046 RAX: 0000000000010102 RBX: ffff888042b28160 RCX: ffffffff81397610 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88806cf2b840 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806cf2b908 R13: ffff88806cf2b840 R14: ffff88806cf2b8c0 R15: dffffc0000000000 FS: 00007fd14a033700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f358af562a8 CR3: 0000000041c82000 CR4: 0000000000350ee0 Call Trace: __hrtimer_run_queues+0x3f0/0xc70 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x9d6/0x2130 Code: 89 e9 48 c1 e9 03 80 3c 11 00 0f 85 9a 12 00 00 48 8b 14 24 49 89 46 58 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 58 12 00 00 48 8b 44 24 18 4c 89 ea 48 c1 ea 03 49 89 46 48 RSP: 0018:ffff88806cf097f0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 1ffff1100d9e1319 RDX: 1ffff1100d9e1317 RSI: ffff88806cf09ff0 RDI: ffff88806cf09ff0 RBP: ffff88806cf098c8 R08: ffffffff8605aeba R09: ffffffff8605aebe R10: ffffed100d9e131b R11: ffff88806cf098b0 R12: ffff88806cf098b1 R13: ffff88806cf098d0 R14: ffff88806cf09870 R15: ffffffff8605aebf arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xcf/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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/0xc70 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:kasan_set_track+0x28/0x30 Code: 90 90 66 0f 1f 00 53 48 89 fb 89 f7 be 01 00 00 00 65 48 8b 04 25 00 89 03 00 8b 80 20 05 00 00 89 03 e8 7b ff ff ff 89 43 04 <5b> e9 b6 70 c5 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff888047267780 EFLAGS: 00000282 RAX: 0000000004280206 RBX: ffff88800cfb4cd0 RCX: 0000000000000000 RDX: 00000000000df1c4 RSI: ffff8880472675ec RDI: 0000000000000000 RBP: ffff88800844f780 R08: 0000000000000011 R09: ffff88801ebb4280 R10: ffff88806caf8e20 R11: 0000000000000001 R12: ffff88800cfb4be0 R13: 0000000000092cc0 R14: 0000000000092cc0 R15: 00000000000000f0 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc40 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc+0x46/0xc0 ops_init+0x247/0x680 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: 0033:0x7fd14cabdb19 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:00007fd14a033188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd14cbd0f60 RCX: 00007fd14cabdb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd14cb17f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3afc824f R14: 00007fd14a033300 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