EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir230441230/syzkaller.LNw6Y5/352/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.1:13716] Modules linked in: irq event stamp: 3901347 hardirqs last enabled at (3901346): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3901347): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3896510): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3896513): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 13716 Comm: syz-executor.1 Not tainted 6.12.0-next-20241121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x56f/0x2490 Code: 88 47 41 44 0f b6 71 04 41 83 e6 0f 41 80 fe 06 0f 84 8c 09 00 00 0f 87 6a 02 00 00 41 80 fe 04 0f 84 cc 0b 00 00 41 80 fe 05 <0f> 85 1a 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea RSP: 0018:ffff88806cf09068 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff86bfb5d4 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88806cf09130 R08: ffffffff86bfb5d8 R09: ffff88806cf09118 R10: 000000000003c001 R11: 00000000000c3972 R12: ffff88806cf09138 R13: ffff88806cf09120 R14: 0000000000000005 R15: ffff88806cf090d8 FS: 00007f894ec70700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d821000 CR3: 0000000039c0c000 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_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/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+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+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 e4 92 ab ff 4d 85 ed 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 RSP: 0018:ffff88803c4a7620 EFLAGS: 00000246 RAX: 00000000003ab779 RBX: ffffea0000358080 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a5e6 RBP: ffff888008ff0dc0 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 0000000000000000 R12: ffff88806cf41be0 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800d602ca8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_alloc+0x4a/0x1e0 d_alloc_parallel+0xe6/0x1140 lookup_open.isra.0+0x960/0x1550 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: 0033:0x7f89516fab19 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:00007f894ec70188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f895180df60 RCX: 00007f89516fab19 RDX: 00000000000c4042 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f8951754f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe77d5ef9f R14: 00007f894ec70300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 cgroup: none used incorrectly cgroup: none used incorrectly cgroup: none used incorrectly netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 syz-executor.0 (13998) used greatest stack depth: 22208 bytes left netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 9pnet_fd: p9_fd_create_unix (14022): problem connecting socket: ./file0: -30 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 9pnet_fd: p9_fd_create_unix (14039): problem connecting socket: ./file0: -30 9pnet_fd: p9_fd_create_unix (14043): problem connecting socket: ./file0: -30 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 9pnet_fd: p9_fd_create_unix (14050): problem connecting socket: ./file0: -30 9pnet_fd: p9_fd_create_unix (14052): problem connecting socket: ./file0: -30 9pnet_fd: p9_fd_create_unix (14059): problem connecting socket: ./file0: -30 9pnet_fd: p9_fd_create_unix (14075): problem connecting socket: ./file0: -30 ---------------- Code disassembly (best guess): 0: 88 47 41 mov %al,0x41(%rdi) 3: 44 0f b6 71 04 movzbl 0x4(%rcx),%r14d 8: 41 83 e6 0f and $0xf,%r14d c: 41 80 fe 06 cmp $0x6,%r14b 10: 0f 84 8c 09 00 00 je 0x9a2 16: 0f 87 6a 02 00 00 ja 0x286 1c: 41 80 fe 04 cmp $0x4,%r14b 20: 0f 84 cc 0b 00 00 je 0xbf2 26: 41 80 fe 05 cmp $0x5,%r14b * 2a: 0f 85 1a 01 00 00 jne 0x14a <-- trapping instruction 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 4c 89 ea mov %r13,%rdx 3d: 48 rex.W 3e: c1 .byte 0xc1 3f: ea (bad)