loop3: detected capacity change from 0 to 512 EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs: error -4 creating inode table initialization thread EXT4-fs (loop3): mount failed watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [syz-executor.6:9326] Modules linked in: irq event stamp: 3563349 hardirqs last enabled at (3563348): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3563349): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3555434): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3555437): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9326 Comm: syz-executor.6 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:__sanitizer_cov_trace_pc+0x0/0x80 Code: 7e 60 e8 a3 ff ff ff 31 c0 e9 cc 35 35 03 66 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 0f 1e fa 48 8b 34 24 65 48 8b 15 40 a3 b1 7e 65 8b 05 41 a3 b1 RSP: 0018:ffff88806ce09890 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8459e1c2 RDX: ffff88800b4e9b80 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff888027bcb650 R08: 0000000000000001 R09: ffffed10072901cf R10: 0000000000000000 R11: 00000000000c3a23 R12: dffffc0000000000 R13: ffff88801a6963c0 R14: 00000000ffffffff R15: ffff88806ce09d70 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fdd701e618 CR3: 000000000e0de000 CR4: 0000000000350ef0 Call Trace: ieee80211_rx_handlers+0x1f60/0x9100 ieee80211_prepare_and_rx_handle+0x1f7f/0x5d50 ieee80211_rx_for_interface+0x10e/0x200 ieee80211_rx_list+0x1bec/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:slab_update_freelist.constprop.0.isra.0+0xe3/0x120 Code: 28 eb 9b 88 44 24 08 e8 2b b7 d5 ff fb 0f b6 44 24 08 eb af 48 89 d0 48 89 ca 4c 89 c9 f0 48 0f c7 4e 20 0f 94 c0 eb 9b f3 90 9b 65 ff 0d ec 54 7f 7e 74 1c f3 90 49 8b 04 24 a8 01 75 f6 e9 RSP: 0018:ffff888016aaf5c0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88802ee67128 RCX: 00000000000d000b RDX: 00000000000d000d RSI: ffffea0000bb99c0 RDI: 0000000000080000 RBP: ffff888016aaf600 R08: ffff88802ee67128 R09: 00000000000d000b R10: ffffea0000bb9900 R11: 0000000000000000 R12: ffffea0000bb99c0 R13: ffff88802ee676f0 R14: 00000000000d000b R15: ffff888008c4f780 __slab_free+0x8f/0x310 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 inotify_handle_inode_event+0x1b6/0x5b0 fsnotify_handle_inode_event.isra.0+0x230/0x360 fsnotify+0x1253/0x16b0 __fsnotify_parent+0x5c2/0xaa0 __fput+0x306/0xb40 task_work_run+0x173/0x280 do_exit+0xaba/0x2a40 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f083530504a Code: Unable to access opcode bytes at 0x7f0835305020. RSP: 002b:00007f0832878fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: fffffffffffffff4 RBX: 0000000020000200 RCX: 00007f083530504a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0832879000 RBP: 00007f0832879040 R08: 00007f0832879040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f0832879000 R15: 0000000020012c00 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 loop3: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 512 EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. loop7: detected capacity change from 0 to 512 loop5: detected capacity change from 0 to 512 loop2: detected capacity change from 0 to 512 workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR EXT4-fs: failed to create workqueue EXT4-fs (loop2): mount failed EXT4-fs error (device loop1): ext4_validate_block_bitmap:431: comm ext4lazyinit: bg 0: block 2: invalid block bitmap EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs error (device loop3): ext4_validate_block_bitmap:431: comm ext4lazyinit: bg 0: block 2: invalid block bitmap EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000. ---------------- Code disassembly (best guess): 0: 7e 60 jle 0x62 2: e8 a3 ff ff ff callq 0xffffffaa 7: 31 c0 xor %eax,%eax 9: e9 cc 35 35 03 jmpq 0x33535da e: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 15: 00 00 00 00 19: 90 nop 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: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 34 24 mov (%rsp),%rsi 32: 65 48 8b 15 40 a3 b1 mov %gs:0x7eb1a340(%rip),%rdx # 0x7eb1a37a 39: 7e 3a: 65 gs 3b: 8b .byte 0x8b 3c: 05 .byte 0x5 3d: 41 rex.B 3e: a3 .byte 0xa3 3f: b1 .byte 0xb1