watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:4618] Modules linked in: irq event stamp: 2321967 hardirqs last enabled at (2321966): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2321967): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2285674): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2285677): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 4618 Comm: syz-executor.2 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc6a/0x2490 Code: bf 41 02 ba 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff <49> 8d 7f 50 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffff88806ce09118 EFLAGS: 00000202 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09e01 RSI: ffff88806ce09ec0 RDI: ffff88806ce09ec0 RBP: ffff88806ce091e0 R08: 0000000000000001 R09: ffff88806ce091c8 R10: 000000000003c001 R11: 00000000000b8c61 R12: ffff88806ce091e8 R13: ffff88806ce091d0 R14: ffff88806ce09ec0 R15: ffff88806ce09188 FS: 00007fee3d3c7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020041000 CR3: 000000003bfd0000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c50 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+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 b4 ff ab ff 4d 85 ed 74 06 e8 ca 7f 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 RSP: 0018:ffff88800ec5f4b0 EFLAGS: 00000246 RAX: 0000000000222d85 RBX: ffffea000035c800 RCX: 1ffffffff0fdca6c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 00000000000007e0 R12: ffff88806ce40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800d720940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc27/0xf60 alloc_inode+0x89/0x240 new_inode+0x1c/0x190 __ext4_new_inode+0x2f1/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fee3fe51b19 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:00007fee3d3c7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fee3ff64f60 RCX: 00007fee3fe51b19 RDX: 0000000000141042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fee3feabf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc2b61c1f R14: 00007fee3d3c7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout audit: type=1400 audit(1729202288.432:11): avc: denied { map } for pid=4891 comm="syz-executor.6" path="/proc/4891/mounts" dev="proc" ino=8311 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=file permissive=1 audit: type=1400 audit(1729202288.433:12): avc: denied { execute } for pid=4891 comm="syz-executor.6" path="/proc/4891/mounts" dev="proc" ino=8311 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=file permissive=1 audit: type=1400 audit(1729202288.926:13): avc: denied { write } for pid=4921 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 ---------------- Code disassembly (best guess): 0: bf 41 02 ba 08 mov $0x8ba0241,%edi 5: 00 00 add %al,(%rax) 7: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4) b: 49 01 c6 add %rax,%r14 e: 4c 89 f6 mov %r14,%rsi 11: e8 ca f1 ff ff callq 0xfffff1e0 16: 4d 8d 4f 40 lea 0x40(%r15),%r9 1a: 84 c0 test %al,%al 1c: 0f 84 a4 f6 ff ff je 0xfffff6c6 22: 4c 89 f7 mov %r14,%rdi 25: e8 b6 e9 ff ff callq 0xffffe9e0 * 2a: 49 8d 7f 50 lea 0x50(%r15),%rdi <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 48 89 c5 mov %rax,%rbp 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 48 rex.W 3f: c1 .byte 0xc1