Restarting kernel threads ... done. EXT4-fs error (device loop2): __ext4_fill_super:5446: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.7:5090] Modules linked in: irq event stamp: 4419621 hardirqs last enabled at (4419620): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4419621): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4401260): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4401263): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 5090 Comm: syz-executor.7 Not tainted 6.4.0-rc2-next-20230519 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x5f/0x170 Code: 08 8b 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ad 00 00 00 31 c0 3b 6b 08 <0f> 83 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 0c 48 89 RSP: 0018:ffff88806ce098d0 EFLAGS: 00000287 RAX: 0000000000000000 RBX: ffff88806ce099b8 RCX: 0000000000000001 RDX: 1ffff1100d9c1338 RSI: ffffffff8460144a RDI: ffff88806ce099c0 RBP: 0000000000000011 R08: ffffffff864a6526 R09: ffffffff864a652a R10: 0000000000038001 R11: ffff88806ce09930 R12: ffff88806ce099b8 R13: 0000000000000000 R14: ffff888010168000 R15: ffff8880443e0e30 FS: 00007fe971e28700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cc08c9344 CR3: 0000000041f12000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x4a0 kfree_skbmem+0xef/0x1b0 consume_skb+0x126/0x2e0 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 e2 75 80 81 48 89 ef e8 47 fe ac ff 48 85 db 74 06 e8 ed b1 d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 92 fa ff RSP: 0018:ffff888045807780 EFLAGS: 00000246 RAX: 000000000037b195 RBX: 0000000000000200 RCX: ffffffff812cd02f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81807603 RBP: ffff88806ce3d310 R08: 0000000000000001 R09: fffffbfff0ef3b3d R10: ffffffff8779d9ef R11: 0000000000000001 R12: ffff888008442140 R13: ffffea0000608000 R14: 0000000000000000 R15: 0000000000000002 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_kmalloc+0x6f/0x90 __kmalloc+0x5a/0x160 xfrm_hash_alloc+0xd7/0x100 xfrm_net_init+0x2d9/0xac0 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x73b0 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fe9748b2b19 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:00007fe971e28188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fe9749c5f60 RCX: 00007fe9748b2b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fe97490cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe807a586f R14: 00007fe971e28300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 hpet: Lost 4 RTC interrupts ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 8b 6b 10 mov 0x10(%rbx),%ebp 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 89 fa mov %rdi,%rdx 10: 48 c1 ea 03 shr $0x3,%rdx 14: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 18: 84 c0 test %al,%al 1a: 74 08 je 0x24 1c: 3c 03 cmp $0x3,%al 1e: 0f 8e ad 00 00 00 jle 0xd1 24: 31 c0 xor %eax,%eax 26: 3b 6b 08 cmp 0x8(%rbx),%ebp * 29: 0f 83 81 00 00 00 jae 0xb0 <-- trapping instruction 2f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 36: fc ff df 39: 48 8d 7b 0c lea 0xc(%rbx),%rdi 3d: 48 rex.W 3e: 89 .byte 0x89