loop5: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 40 loop2: detected capacity change from 0 to 40 Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.4:17247] Modules linked in: irq event stamp: 2648729 hardirqs last enabled at (2648728): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2648729): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2641702): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2641707): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 17247 Comm: syz-executor.4 Not tainted 6.13.0-rc2-next-20241211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_stack_walk+0xa0/0xf0 Code: 03 84 c0 74 2a 48 8d bd 68 ff ff ff e8 69 80 07 00 8b 85 68 ff ff ff 85 c0 74 14 48 8d bd 68 ff ff ff e8 c3 7d 07 00 48 89 c6 <48> 85 c0 75 ca 48 8b 45 d8 65 48 2b 04 25 28 00 00 00 75 32 48 83 RSP: 0018:ffff88806ce09088 EFLAGS: 00000246 RAX: ffffffff81fa5903 RBX: ffffffff815f0410 RCX: 0000000000000001 RDX: 1ffff1100d9c121c RSI: ffffffff81fa5903 RDI: ffffffff81fa5903 RBP: ffff88806ce09120 R08: 0000000000000001 R09: ffff88806ce090c8 R10: 000000000003a7e3 R11: 000000000002aaf4 R12: ffff88806ce09150 R13: 0000000000000000 R14: ffff8880167ab780 R15: ffff88802bb58000 FS: 00007f364013c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd21540218 CR3: 00000000363e4000 CR4: 0000000000350ef0 Call Trace: stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/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 54 b1 ab ff 4d 85 ed 74 06 e8 ba 79 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:ffff88801dfe7690 EFLAGS: 00000246 RAX: 0000000000284f29 RBX: ffffea000027d5c0 RCX: 1ffffffff0fdfebf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a474b6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fddde1 R10: ffffffff87eeef0f R11: 0000000000000000 R12: ffff88806ce40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888009f57a68 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x289/0x540 bdev_getblk+0x2d3/0x630 fat_mirror_bhs+0x1e3/0x590 fat_alloc_clusters+0xca9/0xf40 fat_alloc_new_dir+0xd7/0xd00 vfat_mkdir+0x104/0x310 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: 0033:0x7f3642bc5c27 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:00007f364013bfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3642bc5c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f364013c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f364013c000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 loop6: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40 syz-executor.2 uses obsolete (PF_INET,SOCK_PACKET) loop7: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 40 loop4: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40 loop4: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 40 loop6: detected capacity change from 0 to 40 loop7: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop1): unable to read boot sector syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop1): unable to read boot sector syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop1): unable to read boot sector loop7: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop1): unable to read boot sector loop0: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=0, nr_sectors = 1 limit=0 FAT-fs (loop1): unable to read boot sector ---------------- Code disassembly (best guess): 0: 03 84 c0 74 2a 48 8d add -0x72b7d58c(%rax,%rax,8),%eax 7: bd 68 ff ff ff mov $0xffffff68,%ebp c: e8 69 80 07 00 callq 0x7807a 11: 8b 85 68 ff ff ff mov -0x98(%rbp),%eax 17: 85 c0 test %eax,%eax 19: 74 14 je 0x2f 1b: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 22: e8 c3 7d 07 00 callq 0x77dea 27: 48 89 c6 mov %rax,%rsi * 2a: 48 85 c0 test %rax,%rax <-- trapping instruction 2d: 75 ca jne 0xfffffff9 2f: 48 8b 45 d8 mov -0x28(%rbp),%rax 33: 65 48 2b 04 25 28 00 sub %gs:0x28,%rax 3a: 00 00 3c: 75 32 jne 0x70 3e: 48 rex.W 3f: 83 .byte 0x83