watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:9899] Modules linked in: irq event stamp: 2124241 hardirqs last enabled at (2124240): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2124241): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2122666): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2122683): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9899 Comm: syz-executor.2 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x0/0x1b0 Code: 0c e8 64 d2 ff ff 89 43 08 5b 5d 41 5c e9 98 48 fb 02 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 48 85 f6 0f 84 5b 01 00 00 48 89 f8 41 54 44 0f b6 c2 RSP: 0018:ffff88806ce09290 EFLAGS: 00000296 RAX: ffff88803e9fb700 RBX: ffff88806ce093a0 RCX: ffffffff8114c55e RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffff88806ce09308 RBP: ffff88806ce09308 R08: 0071726974666f73 R09: fffffbfff0aed181 R10: ffffffff85768c0c R11: 00000000000c3a23 R12: 0000000000000070 R13: 0000000000000000 R14: ffff88803e9fb700 R15: ffff88806ce09308 FS: 00007f5cae0b5700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd586bcf98 CR3: 000000002feec000 CR4: 0000000000350ef0 Call Trace: __asan_memset+0x24/0x50 __unwind_start+0x2e/0x7c0 arch_stack_walk+0x63/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 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:qlist_free_all+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 e7 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff888036e4f8d0 EFLAGS: 00000246 RAX: ffff8880415ee200 RBX: ffff8880415ee280 RCX: ffffea0001057b80 RDX: 0000000000000000 RSI: ffff888008c41280 RDI: 0000000000080000 RBP: ffff888008c41280 R08: ffff8880415ee180 R09: 000000000020001c R10: ffffea0001057b00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888036e4f908 R14: ffff8880415ee180 R15: ffff8880415ee180 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 jbd2_journal_add_journal_head+0x367/0x5d0 jbd2_journal_get_create_access+0x44/0x560 __ext4_journal_get_create_access+0x54/0x200 ext4_getblk+0x3ca/0x8e0 ext4_bread+0x2e/0x1a0 ext4_append+0x225/0x540 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d2/0xb30 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5cb0b3ec27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f5cae0b4fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cb0b3ec27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f5cae0b5040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f5cae0b5000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 loop1: detected capacity change from 0 to 47 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= netlink: 20 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.6'. loop5: detected capacity change from 0 to 1024 msdos: Bad value for 'nfs' loop1: detected capacity change from 0 to 47 msdos: Bad value for 'nfs' EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000. ---------------- Code disassembly (best guess): 0: 0c e8 or $0xe8,%al 2: 64 d2 ff fs sar %cl,%bh 5: ff 89 43 08 5b 5d decl 0x5d5b0843(%rcx) b: 41 5c pop %r12 d: e9 98 48 fb 02 jmpq 0x2fb48aa 12: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 19: 00 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: 66 0f 1f 00 nopw (%rax) <-- trapping instruction 2e: 48 85 f6 test %rsi,%rsi 31: 0f 84 5b 01 00 00 je 0x192 37: 48 89 f8 mov %rdi,%rax 3a: 41 54 push %r12 3c: 44 0f b6 c2 movzbl %dl,%r8d