EXT4-fs warning (device loop3): read_mmp_block:106: Error -117 while reading MMP block 0 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.6:7342] Modules linked in: irq event stamp: 3468681 hardirqs last enabled at (3468680): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3468681): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3447450): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3447453): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7342 Comm: syz-executor.6 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 de 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8440b92b RDX: fffffbfff0b48571 RSI: 0000000000000004 RDI: ffffffff85a42b80 RBP: ffffffff85a42b80 R08: 0000000000000000 R09: ffffffff85a42b83 R10: fffffbfff0b48570 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48570 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 00007fd038498700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f5638c7280 CR3: 000000000df4a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 30 5f 7c 81 48 89 df e8 e9 79 af ff 48 85 ed 74 06 e8 ef 91 d3 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 54 fa ff RSP: 0018:ffff88804554ecf0 EFLAGS: 00000246 RAX: 0000000000332719 RBX: ffff88806ce3d8a0 RCX: ffffffff812b3b2f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff876328e7 R10: fffffbfff0ec651c R11: 0000000000000001 R12: ffff88800844f780 R13: 0000000000000000 R14: ffffea0000390b40 R15: 0000000000000004 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc40 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 kvasprintf+0xbe/0x160 kasprintf+0xbf/0x100 alloc_workqueue+0x40f/0xf10 ieee80211_register_hw+0x1d43/0x3b70 mac80211_hwsim_new_radio+0x2500/0x4d00 hwsim_new_radio_nl+0x9ad/0x1070 genl_family_rcv_msg_doit.isra.0+0x1ee/0x2e0 genl_rcv_msg+0x503/0x7e0 netlink_rcv_skb+0x15d/0x450 genl_rcv+0x28/0x40 netlink_unicast+0x552/0x800 netlink_sendmsg+0x919/0xe10 sock_sendmsg+0x158/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf7/0x1d0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd03af22b19 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:00007fd038498188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd03b035f60 RCX: 00007fd03af22b19 RDX: 0000000000000000 RSI: 0000000020007ec0 RDI: 0000000000000003 RBP: 00007fd03af7cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe04f6064f R14: 00007fd038498300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7347 Comm: syz-executor.7 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:write_comp_data+0x32/0x90 Code: f8 65 8b 05 08 b1 ba 7e 89 c6 81 e6 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 0c 14 00 00 <85> c0 74 4f 8b 82 e8 13 00 00 83 f8 03 75 44 48 8b 82 f0 13 00 00 RSP: 0018:ffff88806cf093d0 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff813c5d96 RDX: ffff888019e15040 RSI: 0000000000000100 RDI: 0000000000000005 RBP: ffff88806cf28100 R08: 0000000000000005 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000001 R12: 000000b4c87381e9 R13: 0000000000000003 R14: 0000000000000001 R15: ffff88806cf2b840 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea98626998 CR3: 0000000047120000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: clockevents_program_event+0xa6/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:rcu_is_watching+0x5a/0xb0 Code: 48 89 f9 48 c1 e9 03 80 3c 11 00 75 62 48 03 1c c5 c0 88 2a 85 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 2a 8b 03 c1 e8 02 RSP: 0018:ffff88806cf095b8 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: ffff88806cf34f00 RCX: 1ffffffff0a55119 RDX: 0000000000000000 RSI: 0000000000000104 RDI: ffffffff852a88c8 RBP: 1ffff1100d9e12be R08: 0000000000000000 R09: ffffffff85d09417 R10: fffffbfff0ba1282 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffffff8564e9a8 R15: 0000000000000a20 rcu_read_lock_sched_held+0x24/0x80 lock_release+0x54b/0x750 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f5/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__kasan_check_read+0x4/0x20 Code: 82 77 74 b3 02 eb dd 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 0c 24 89 f6 31 d2 e9 8f f4 ff ff 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffff8880473ef6f8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffea000107a740 RCX: 0000000000000000 RDX: ffff888019e15040 RSI: 0000000000000008 RDI: ffffea000107a740 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880147563e0 R13: ffffea000107a740 R14: ffffea000107a740 R15: ffff8880473efad8 unmap_page_range+0x1bac/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0c6f452b19 Code: Unable to access opcode bytes at 0x7f0c6f452aef. RSP: 002b:00007f0c6c9c8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000007 RBX: 00007f0c6f565f60 RCX: 00007f0c6f452b19 RDX: 0000000000105802 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f0c6f4acf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3da8a14f R14: 00007f0c6c9c8300 R15: 0000000000022000 blk_print_req_error: 219 callbacks suppressed I/O error, dev loop3, sector 24 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 cd 0a 00 00 jne 0xadf 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 de 1f 00 00 jmpq 0x2006 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e5 test %ah,%ch