loop4: detected capacity change from 0 to 6058 ext4: Unknown parameter 'Kż' loop4: detected capacity change from 0 to 6058 ext4: Unknown parameter 'Kż' loop1: detected capacity change from 0 to 264192 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:4579] Modules linked in: irq event stamp: 2641011 hardirqs last enabled at (2641010): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2641011): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2571026): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2571029): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 4579 Comm: syz-executor.0 Not tainted 6.13.0-rc1-next-20241204 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_prepare_and_rx_handle+0x18e8/0x5d50 Code: ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 0c 84 d2 74 08 48 89 df e8 bc 97 31 fd 44 0f b7 23 e3 ad f7 fc 44 89 e0 bf 88 00 00 00 66 25 8c 00 89 c6 89 04 24 RSP: 0018:ffff88806ce09aa8 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88801b680c50 RCX: ffffffff845a31f3 RDX: 0000000000000000 RSI: ffffffff845a3204 RDI: 0000000000000003 RBP: ffff88803db3c280 R08: 0000000050415258 R09: ffff88803fef8a38 R10: 0000000000000080 R11: 0000000000000001 R12: 0000000000000080 R13: ffff88806ce09ba0 R14: ffff88803ecf0000 R15: ffff88806ce09d70 FS: 00007f4c331f2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f45e947d290 CR3: 0000000018d86000 CR4: 0000000000350ef0 Call Trace: 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:__memcg_slab_post_alloc_hook+0x3ff/0x8b0 Code: 80 3c 18 00 0f 85 da 02 00 00 49 8b 47 38 48 85 c0 0f 85 f8 01 00 00 48 83 e0 f8 4e 8d 24 e0 4c 89 e0 48 c1 e8 03 80 3c 18 00 <0f> 85 1f 04 00 00 48 8b 44 24 20 4d 89 34 24 48 c1 e8 03 0f b6 04 RSP: 0018:ffff88803f7c7968 EFLAGS: 00000246 RAX: 1ffff11001b4059d RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85c16340 RDI: ffff88803fef83fc RBP: ffff888009401000 R08: 0000000000000001 R09: ffff88803fef8a38 R10: ffffffff863fac97 R11: ffffea000036b038 R12: ffff88800da02ce8 R13: ffff88803f7c7a10 R14: ffff88800cab2d80 R15: ffffea000036b000 kmem_cache_alloc_noprof+0x324/0x3d0 create_new_namespaces+0x30/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4c35c7cb19 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:00007f4c331f2188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f4c35d8ff60 RCX: 00007f4c35c7cb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000380 RBP: 00007f4c35cd6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea832ebef R14: 00007f4c331f2300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 48 89 da mov %rbx,%rdx 3: 48 c1 ea 03 shr $0x3,%rdx 7: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx b: 48 89 d8 mov %rbx,%rax e: 83 e0 07 and $0x7,%eax 11: 83 c0 01 add $0x1,%eax 14: 38 d0 cmp %dl,%al 16: 7c 0c jl 0x24 18: 84 d2 test %dl,%dl 1a: 74 08 je 0x24 1c: 48 89 df mov %rbx,%rdi 1f: e8 bc 97 31 fd callq 0xfd3197e0 24: 44 0f b7 23 movzwl (%rbx),%r12d * 28: e8 e3 ad f7 fc callq 0xfcf7ae10 <-- trapping instruction 2d: 44 89 e0 mov %r12d,%eax 30: bf 88 00 00 00 mov $0x88,%edi 35: 66 25 8c 00 and $0x8c,%ax 39: 89 c6 mov %eax,%esi 3b: 89 04 24 mov %eax,(%rsp)