loop5: detected capacity change from 0 to 512 EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! EXT4-fs (loop5): group descriptors corrupted! watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.0:12188] Modules linked in: irq event stamp: 4486167 hardirqs last enabled at (4486166): [] asm_sysvec_x86_platform_ipi-0xa/0x20 hardirqs last disabled at (4486167): [] sysvec_apic_timer_interrupt+0xb/0xd0 softirqs last enabled at (4462642): [] __irq_exit_rcu+0x11b/0x190 softirqs last disabled at (4462645): [] __irq_exit_rcu+0x11b/0x190 CPU: 0 PID: 12188 Comm: syz-executor.0 Not tainted 6.1.0-rc1-next-20221021 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x14f5/0x2140 Code: 02 48 03 6c 24 18 ba 08 00 00 00 4c 89 f7 48 89 ee e8 3f e9 ff ff 4d 8d 5e 40 84 c0 0f 84 ac ee ff ff 48 89 ef e8 db e3 ff ff <49> 8d 7e 50 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffff88806ce09848 EFLAGS: 00000202 RAX: ffffffff8500a100 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09f01 RSI: ffff88806ce09f40 RDI: ffff88806ce09f40 RBP: ffff88806ce09f40 R08: ffffffff85c9094a R09: ffffffff85c9094e R10: ffffed100d9c1326 R11: ffff88806ce09908 R12: ffff88806ce09909 R13: ffff88806ce09928 R14: ffff88806ce098c8 R15: 0000000000000007 FS: 00007f0f052ac700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e7b41b5478 CR3: 0000000033594000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x83/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 kasan_set_track+0x21/0x40 kasan_save_free_info+0x2a/0x60 __kasan_slab_free+0x106/0x1a0 kmem_cache_free+0xf7/0x620 kfree_skbmem+0xef/0x1c0 consume_skb+0xcf/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:put_cpu_partial+0x115/0x1d0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 90 1f 7b 81 48 89 df e8 e9 60 b0 ff 48 85 ed 74 06 e8 ef 01 d4 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 64 fa ff RSP: 0018:ffff8880090779c0 EFLAGS: 00000246 RAX: 000000000032ff2d RBX: ffff88806ce3c4a0 RCX: 1ffffffff0b21001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800804f780 R13: 0000000000000000 R14: ffffea00003dfb80 R15: 0000000000000006 qlist_free_all+0x6d/0x1b0 kasan_quarantine_reduce+0x192/0x230 __kasan_slab_alloc+0x48/0x80 kmem_cache_alloc+0x1a9/0x3f0 copy_process+0x1f6f/0x6ea0 kernel_clone+0xe7/0x8a0 __do_sys_clone3+0x1d5/0x2f0 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0f07d36b19 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:00007f0f052ac188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f0f07e49f60 RCX: 00007f0f07d36b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f0f07d90f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff98679d4f R14: 00007f0f052ac300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 12182 Comm: syz-executor.2 Not tainted 6.1.0-rc1-next-20221021 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:check_preemption_disabled+0x4/0x190 Code: 07 0f 1f 44 00 00 0f 0b 0f 1f 44 00 00 5b e9 93 fb ff ff cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 56 41 55 <49> 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 c1 71 cf RSP: 0018:ffff88806cf09568 EFLAGS: 00000006 RAX: 0000000000000001 RBX: ffff8880326e8160 RCX: 0000000000000100 RDX: ffff88801a339ac0 RSI: ffffffff847eda80 RDI: ffffffff847edac0 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88806cf2a600 R14: ffff88806cf2a680 R15: dffffc0000000000 FS: 00007f79793d5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556c16c98 CR3: 000000001f02c000 CR4: 0000000000350ee0 Call Trace: rcu_is_watching+0x11/0xc0 rcu_read_lock_sched_held+0x20/0x90 __hrtimer_run_queues+0x79b/0xb60 hrtimer_interrupt+0x315/0x780 __sysvec_apic_timer_interrupt+0x144/0x510 sysvec_apic_timer_interrupt+0x3b/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:unwind_next_frame+0x1be/0x2140 Code: 8d 43 ff 39 c6 0f 83 8c 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 44 d1 08 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88806cf09820 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 00000000000241ba RSI: 00000000000241ba RDI: ffffffff8611d82c RBP: ffff88806cf098f8 R08: ffffffff85cedb4e R09: ffffffff85cedb52 R10: ffffed100d9e1321 R11: 0000000000036001 R12: ffff88806cf098e1 R13: ffff88806cf09900 R14: ffff88806cf098a0 R15: ffffffff8341ba5e arch_stack_walk+0x83/0x100 stack_trace_save+0x8c/0xd0 kasan_save_stack+0x1e/0x50 __kasan_record_aux_stack+0x95/0xc0 __call_rcu_common.constprop.0+0x6a/0xa50 kmem_cache_free+0xbd/0x620 kfree_skbmem+0xef/0x1c0 consume_skb+0xcf/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2b0 mac80211_hwsim_beacon_tx+0x562/0xac0 __iterate_interfaces+0x2d3/0x570 ieee80211_iterate_active_interfaces_atomic+0x70/0x190 mac80211_hwsim_beacon+0x101/0x210 __hrtimer_run_queues+0x541/0xb60 hrtimer_run_softirq+0x172/0x350 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x190 irq_exit_rcu+0x5/0x30 sysvec_apic_timer_interrupt+0x8e/0xd0 asm_sysvec_x86_platform_ipi-0xa/0x20 RIP: 0010:_find_next_bit+0x2/0x150 Code: 5d 41 5e e9 60 88 26 02 48 89 ef e8 38 01 6c ff eb b7 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 <41> 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 55 53 e8 98 6a 38 ff RSP: 0018:ffff88804374fcd0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000607f92e00ca0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8590a818 RBP: 0000000000000003 R08: 0000000000000001 R09: ffffffff872078b7 R10: fffffbfff0e40f16 R11: 0000000000000001 R12: fffffbfff0b2153c R13: 0000000000000008 R14: 0000000000000cc0 R15: 0000000000000000 kmemleak_alloc_percpu+0xc7/0x150 pcpu_alloc+0x7f4/0x10b0 percpu_ref_init+0x31/0x410 ioctx_alloc+0x352/0x1e20 __x64_sys_io_setup+0xc4/0x200 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f797be5fb19 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:00007f79793d5188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f797bf72f60 RCX: 00007f797be5fb19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007f797beb9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc233a98cf R14: 00007f79793d5300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 02 48 03 add 0x3(%rax),%cl 3: 6c insb (%dx),%es:(%rdi) 4: 24 18 and $0x18,%al 6: ba 08 00 00 00 mov $0x8,%edx b: 4c 89 f7 mov %r14,%rdi e: 48 89 ee mov %rbp,%rsi 11: e8 3f e9 ff ff callq 0xffffe955 16: 4d 8d 5e 40 lea 0x40(%r14),%r11 1a: 84 c0 test %al,%al 1c: 0f 84 ac ee ff ff je 0xffffeece 22: 48 89 ef mov %rbp,%rdi 25: e8 db e3 ff ff callq 0xffffe405 * 2a: 49 8d 7e 50 lea 0x50(%r14),%rdi <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 48 89 c5 mov %rax,%rbp 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 48 rex.W 3f: c1 .byte 0xc1