EXT4-fs (loop4): group descriptors corrupted! loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:11429] Modules linked in: irq event stamp: 2772225 hardirqs last enabled at (2772224): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2772225): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2749242): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2749259): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 11429 Comm: syz-executor.0 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1b0/0x2490 Code: 42 ff 39 c6 0f 83 bb 16 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 90 20 c3 86 49 89 f8 49 c1 e8 03 45 0f b6 04 00 <48> 89 f8 83 e0 07 83 c0 03 44 38 c0 7c 32 45 84 c0 74 2d 48 89 54 RSP: 0018:ffff88806cf08ff0 EFLAGS: 00000213 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff81c08571 RDX: 000000000000c085 RSI: 000000000000c085 RDI: ffffffff86c622a4 RBP: ffff88806cf090b8 R08: 0000000000000000 R09: ffff88806cf090a0 R10: 000000000003aab6 R11: 0000000000022ad1 R12: ffff88806cf090c0 R13: ffff88806cf090a8 R14: ffff88806cf090a1 R15: ffff88806cf09060 FS: 00007f4e6d983700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c50097f70 CR3: 000000000cc74000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_record_aux_stack+0x89/0xa0 __call_rcu_common.constprop.0+0x6a/0xb70 kfree+0x28e/0x480 ieee80211_inform_bss+0x80c/0x10b0 cfg80211_inform_single_bss_data+0x801/0x1c70 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: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 04 c6 ab ff 4d 85 ed 74 06 e8 ca 4b 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:ffff88802fc4f810 EFLAGS: 00000246 RAX: 000000000029f349 RBX: ffffea00002e3100 RCX: 1ffffffff0fe1cf9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a47796 RBP: ffff8880096d8500 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: ffffffff87efdf4f R11: 0000000000000000 R12: ffff88806cf43530 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800b8c6a00 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 kmalloc_array_noprof+0x42/0x70 iter_file_splice_write+0x1a2/0x1060 direct_splice_actor+0x192/0x7a0 splice_direct_to_actor+0x348/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xa7e/0xdb0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4e7040db19 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:00007f4e6d983188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f4e70520f60 RCX: 00007f4e7040db19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f4e70467f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5c643d7f R14: 00007f4e6d983300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 42 ff rex.X (bad) 2: 39 c6 cmp %eax,%esi 4: 0f 83 bb 16 00 00 jae 0x16c5 a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 11: fc ff df 14: 89 f2 mov %esi,%edx 16: 48 8d 3c 95 90 20 c3 lea -0x793cdf70(,%rdx,4),%rdi 1d: 86 1e: 49 89 f8 mov %rdi,%r8 21: 49 c1 e8 03 shr $0x3,%r8 25: 45 0f b6 04 00 movzbl (%r8,%rax,1),%r8d * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 44 38 c0 cmp %r8b,%al 36: 7c 32 jl 0x6a 38: 45 84 c0 test %r8b,%r8b 3b: 74 2d je 0x6a 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 54 push %rsp