SELinux: security_context_str_to_sid (system_u) failed with errno=-22 syz_tun: entered promiscuous mode syz_tun: left promiscuous mode rcu_tasks_wait_gp: rcu_tasks grace period number 9 (since boot) is 12379 jiffies old. watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:9273] Modules linked in: irq event stamp: 2675593 hardirqs last enabled at (2675592): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2675593): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2661954): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2661989): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9273 Comm: syz-executor.3 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kernel_text_address+0xf/0x40 Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 53 48 89 fb e8 23 ff ff ff 85 c0 <75> 1b 48 81 fb 00 b0 d5 86 72 0c 31 c0 48 81 fb 6a ac eb 86 0f 92 RSP: 0018:ffff88806cf09080 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff84361cbf RCX: 0000000000000001 RDX: 1ffff1100d9e1220 RSI: ffff88806cf09760 RDI: ffffffff84361cbf RBP: ffff88806cf09100 R08: 0000000000000001 R09: ffff88806cf090e8 R10: 000000000003c001 R11: 00000000000b361c R12: ffff88806cf09170 R13: 0000000000000000 R14: ffff88800959d280 R15: ffff88806cf096a8 FS: 00007fd919a97700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3318f80d00 CR3: 0000000030fd0000 CR4: 0000000000350ef0 Call Trace: unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 kvfree_call_rcu+0x29/0x980 cfg80211_update_known_bss+0x3c9/0x11e0 __cfg80211_bss_update+0xe0/0x1fe0 cfg80211_inform_single_bss_data+0x6e2/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x129/0x1b0 Code: 74 06 e8 6a 5f d5 ff fb 4d 85 f6 74 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 8d 62 01 45 31 f6 eb 81 5b <5d> 41 5c 41 5d 41 5e e9 0b 63 02 03 e8 e6 60 d5 ff e9 e3 fe ff ff RSP: 0018:ffff888015ebf4b8 EFLAGS: 00000246 RAX: 0000000000289e63 RBX: ffff888016192c80 RCX: 1ffffffff0fdfeb6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a5e6 RBP: ffff8880096a1500 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000ffffffff R12: ffff88806cf434f0 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88802efb7900 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 security_inode_init_security+0x13e/0x390 __ext4_new_inode+0x355b/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd91c521b19 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:00007fd919a97188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd91c634f60 RCX: 00007fd91c521b19 RDX: 0000000000121242 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007fd91c57bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca292f97f R14: 00007fd919a97300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 9pnet_fd: Insufficient options for proto=fd ---------------- Code disassembly (best guess): 0: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 7: 00 00 00 a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 66 0f 1f 00 nopw (%rax) 1f: 53 push %rbx 20: 48 89 fb mov %rdi,%rbx 23: e8 23 ff ff ff callq 0xffffff4b 28: 85 c0 test %eax,%eax * 2a: 75 1b jne 0x47 <-- trapping instruction 2c: 48 81 fb 00 b0 d5 86 cmp $0xffffffff86d5b000,%rbx 33: 72 0c jb 0x41 35: 31 c0 xor %eax,%eax 37: 48 81 fb 6a ac eb 86 cmp $0xffffffff86ebac6a,%rbx 3e: 0f .byte 0xf 3f: 92 xchg %eax,%edx