loop1: detected capacity change from 0 to 264192 ISOFS: Unable to identify CD-ROM format. watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:6721] Modules linked in: irq event stamp: 2670853 hardirqs last enabled at (2670852): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2670853): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2667014): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2667017): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 6721 Comm: syz-executor.5 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x5b/0xa0 Code: eb 4a 72 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 e7 7d 0d 00 85 c0 <74> cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 RSP: 0018:ffff88806ce08dc0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806ce08dd8 RCX: 0000000000000001 RDX: 1ffff1100d9c11c6 RSI: ffff88806ce091d8 RDI: ffffffff818f22dd RBP: ffff88806ce08e30 R08: 0000000000000001 R09: ffff88806ce08e18 R10: 000000000003c001 R11: 0000000000024e80 R12: ffff88806ce08ea0 R13: 0000000000000000 R14: ffff888016758000 R15: 0000000000092820 FS: 00007f6b213bf700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8d76572d68 CR3: 000000001ac3c000 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_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 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:rcu_preempt_deferred_qs_irqrestore+0xf7/0xb90 Code: 45 84 ed 75 3b f7 c5 00 02 00 00 75 13 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b3 06 4c 03 e8 ae 1d 1f 00 fb 48 83 c4 40 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 9a 06 4c 03 e8 05 50 ff ff eb 8f RSP: 0018:ffff88803ed7f010 EFLAGS: 00000282 RAX: 0000000000280ec1 RBX: ffff88806ce3c780 RCX: 1ffffffff0fdfeb6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff813ae272 RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000c3893 R12: ffff88806ce3c791 R13: 0000000000000100 R14: ffff888016758000 R15: ffff88803f301f00 __rcu_read_unlock+0x25f/0x4f0 __is_insn_slot_addr+0x140/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 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 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 jbd2__journal_start+0x193/0x6b0 __ext4_journal_start_sb+0x183/0x600 __ext4_new_inode+0x2d1e/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6b23e49b19 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:00007f6b213bf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f6b23f5cf60 RCX: 00007f6b23e49b19 RDX: 0000000000121242 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f6b23ea3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe70f4c63f R14: 00007f6b213bf300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0x4fa/0x6f0 Code: 08 4c 89 ea 4c 89 e6 e8 24 3d fe ff 65 ff 0d 45 6a d3 7e 0f 85 8f fb ff ff 0f 1f 44 00 00 e9 8c fb ff ff e8 e8 11 09 00 84 c0 <0f> 85 ac fb ff ff 80 3d 00 a7 0c 05 00 0f 85 9f fb ff ff c6 05 f3 RSP: 0018:ffff88806cf09bc0 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 1ffff1100d9e137a RCX: ffffffff8130383e RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88806cf365d0 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0c7f472 R10: ffffffff863fa397 R11: 00000000f5257d14 R12: ffff88806ce3b998 R13: ffffffff812958b1 R14: 000000000003a6cc R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa71707a650 CR3: 0000000013044000 CR4: 0000000000350ef0 Call Trace: _raw_spin_unlock+0x16/0x40 sched_balance_rq+0xea1/0x2930 sched_balance_domains+0x673/0xc20 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:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 29 d0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000206 RAX: 00000000001095c3 RBX: 0000000000000001 RCX: ffffffff8484aaf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b0fca RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863fa390 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: eb 4a jmp 0x4c 2: 72 03 jb 0x7 4: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax b: fc ff df e: 48 8d 6b 58 lea 0x58(%rbx),%rbp 12: 48 89 ea mov %rbp,%rdx 15: 48 c1 ea 03 shr $0x3,%rdx 19: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1d: 75 36 jne 0x55 1f: 48 8b 7b 58 mov 0x58(%rbx),%rdi 23: e8 e7 7d 0d 00 callq 0xd7e0f 28: 85 c0 test %eax,%eax * 2a: 74 cf je 0xfffffffb <-- trapping instruction 2c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 33: fc ff df 36: 48 89 ea mov %rbp,%rdx 39: 48 c1 ea 03 shr $0x3,%rdx 3d: 80 .byte 0x80 3e: 3c 02 cmp $0x2,%al