EXT4-fs error (device loop2): ext4_quota_enable:7114: comm syz-executor.2: Bad quota inode: 4, type: 1 EXT4-fs warning (device loop2): ext4_enable_quotas:7152: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix. EXT4-fs (loop2): mount failed watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [syz-executor.4:20185] Modules linked in: irq event stamp: 2953425 hardirqs last enabled at (2953424): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2953425): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2923876): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2923883): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 20185 Comm: syz-executor.4 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:unwind_get_return_address+0x26/0xa0 Code: 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 89 fb 0f b6 04 02 84 c0 74 04 3c 03 7e 59 <8b> 03 85 c0 75 09 31 c0 5b 5d e9 eb 9a 72 03 48 b8 00 00 00 00 00 RSP: 0018:ffff88806ce09660 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806ce09678 RCX: ffffffff86796b01 RDX: 1ffff1100d9c12cf RSI: 0000000000000000 RDI: ffff88806ce09678 RBP: ffff88806ce09710 R08: ffffffff86796bde R09: ffff88806ce096b8 R10: 000000000003c001 R11: 0000000000008067 R12: ffff88806ce09740 R13: 0000000000000000 R14: ffff888039683700 R15: 0000000000082820 FS: 00007f1b4f2d1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d927000 CR3: 0000000034c3e000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 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 84 92 ab ff 4d 85 ed 74 06 e8 6a 64 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:ffff88800a417c40 EFLAGS: 00000246 RAX: 00000000002c9d69 RBX: ffffea00003962c0 RCX: 1ffffffff0fdfeb6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a476 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: ffff88806ce40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800e58b5c8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 getname_flags.part.0+0x48/0x550 getname+0x8f/0xd0 do_sys_openat2+0xec/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1b51d0ea04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f1b4f2d1060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f1b51e6ef60 RCX: 00007f1b51d0ea04 RDX: 0000000000000002 RSI: 00007f1b4f2d10f0 RDI: 00000000ffffff9c RBP: 00007f1b4f2d10f0 R08: 0000000000000000 R09: 00007f1b4f2d0f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe5df7d78f R14: 00007f1b4f2d1300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 66 Comm: kmemleak 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:unwind_next_frame+0xb9a/0x2490 Code: 0f 85 fe 15 00 00 83 e0 07 40 38 c6 0f 9e c2 40 84 f6 0f 95 c0 84 c2 0f 85 e7 15 00 00 0f b6 41 04 c0 e8 04 3c 01 74 4a 3c 04 <0f> 84 1b 09 00 00 0f b6 f0 84 c0 0f 84 e5 00 00 00 80 3d 57 32 28 RSP: 0018:ffff88806cf096f8 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff86796a96 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88806cf097c0 R08: ffffffff86796a9a R09: ffff88806cf097a8 R10: 000000000003c001 R11: 0000000000008037 R12: ffff88806cf097c8 R13: ffff88806cf097b0 R14: ffff88806cf09ff0 R15: ffff88806cf09768 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005596d6df0618 CR3: 0000000012fb2000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 1c a9 fc 48 89 ef e8 5e 8f a9 fc 80 e7 02 74 06 e8 64 ee d2 fc fb 65 ff 0d 44 8c 7c 7b <74> 07 5b 5d e9 93 1e 00 00 0f 1f 44 00 00 5b 5d e9 87 1e 00 00 0f RSP: 0018:ffff88800f0cfe50 EFLAGS: 00000286 RAX: 000000000078a959 RBX: 0000000000000246 RCX: 1ffffffff0fe273d RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84871a7c RBP: ffffffff886346f8 R08: 0000000000000001 R09: fffffbfff0fdddf7 R10: ffffffff87eeefbf R11: ffff88800eadd728 R12: ffff88800eadd280 R13: ffff88807711c000 R14: 0000000000000246 R15: ffff888077200000 scan_gray_list+0x20b/0x280 kmemleak_scan+0x560/0xdf0 kmemleak_scan_thread+0x78/0xc0 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: f3 0f 1e fa endbr64 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 48 89 fa mov %rdi,%rdx 15: 55 push %rbp 16: 48 c1 ea 03 shr $0x3,%rdx 1a: 53 push %rbx 1b: 48 89 fb mov %rdi,%rbx 1e: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 22: 84 c0 test %al,%al 24: 74 04 je 0x2a 26: 3c 03 cmp $0x3,%al 28: 7e 59 jle 0x83 * 2a: 8b 03 mov (%rbx),%eax <-- trapping instruction 2c: 85 c0 test %eax,%eax 2e: 75 09 jne 0x39 30: 31 c0 xor %eax,%eax 32: 5b pop %rbx 33: 5d pop %rbp 34: e9 eb 9a 72 03 jmpq 0x3729b24 39: 48 rex.W 3a: b8 00 00 00 00 mov $0x0,%eax