Buffer I/O error on dev loop7, logical block 10, lost async page write Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.3:6226] Modules linked in: irq event stamp: 6445869 hardirqs last enabled at (6445868): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6445869): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (6336012): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6336015): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 6226 Comm: syz-executor.3 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:core_kernel_text+0x0/0xa0 Code: 03 48 85 c0 74 06 5d e9 52 37 23 03 48 89 ef 5d e9 35 a1 18 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 41 54 53 48 89 fb 48 81 ff 00 00 00 81 72 09 48 81 ff RSP: 0018:ffff88806cf09800 EFLAGS: 00000292 RAX: dffffc0000000000 RBX: ffffffff834c4358 RCX: 0000000000000000 RDX: 1ffff1100d9e1314 RSI: ffff88806cf09c40 RDI: ffffffff834c4358 RBP: ffffffff834c4358 R08: ffffffff860ee494 R09: ffffffff860ee498 R10: ffffed100d9e1316 R11: ffff88806cf09888 R12: ffff88806cf09910 R13: 0000000000000000 R14: ffff8880102d9ac0 R15: ffff888008441c80 FS: 00007f35caa43700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35caa42fe8 CR3: 0000000041574000 CR4: 0000000000350ee0 Call Trace: kernel_text_address+0x11/0xc0 __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_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa40 __kmem_cache_free+0x95/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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/0xba0 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+0x8/0x20 Code: 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 00 00 0f 1f RSP: 0018:ffff8880484b75a8 EFLAGS: 00000256 RAX: 0000000000000000 RBX: 1ffff11009096eb8 RCX: ffffffff812c34f3 RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff85d07c90 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff856c6520 R15: 0000000000000000 lock_acquire+0xb3/0x530 fs_reclaim_acquire+0xda/0x170 __kmem_cache_alloc_node+0x41/0x400 __kmalloc+0x46/0xc0 ext4_find_extent+0xa41/0xd30 ext4_ext_map_blocks+0x1c7/0x5d40 ext4_map_blocks+0xb15/0x19e0 ext4_append+0x1af/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x495/0x740 do_mkdirat+0x16e/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f35cd4ccc27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f35caa42fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35cd4ccc27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f35caa43040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f35caa43000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6208 Comm: syz-executor.1 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x179/0x1d0 Code: ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 81 c0 c4 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 db 80 38 00 <74> f2 e9 64 ff ff ff 41 bb 01 00 00 00 44 89 d8 e9 56 c0 c4 02 48 RSP: 0018:ffff88806ce09438 EFLAGS: 00000046 RAX: fffff91ffff89401 RBX: fffff91ffff89403 RCX: ffffffff81521332 RDX: fffff91ffff89403 RSI: 0000000000000008 RDI: ffffe8ffffc4a00c RBP: fffff91ffff89401 R08: 0000000000000001 R09: ffffe8ffffc4a013 R10: fffff91ffff89402 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: ffffffff843fe40a R15: ffffffff8565e600 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555cbec58 CR3: 000000001c990000 CR4: 0000000000350ef0 Call Trace: memset+0x24/0x50 perf_trace_buf_alloc+0x162/0x200 perf_trace_preemptirq_template+0x113/0x410 trace_hardirqs_off_finish+0xd9/0x160 irqentry_enter+0x2a/0x60 sysvec_apic_timer_interrupt+0xf/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__orc_find+0x83/0xf0 Code: 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 <48> 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1 RSP: 0018:ffff88806ce09668 EFLAGS: 00000246 RAX: fffffffffd561bb4 RBX: ffffffff85f5d384 RCX: ffffffff834bf05c RDX: 0000000000000000 RSI: ffffffff8635c0be RDI: ffffffff85f5d384 RBP: ffffffff85f5d384 R08: ffffffff8635c0be R09: ffffffff8635acbe R10: ffffed100d9c12f3 R11: 0000000000038001 R12: ffffffff85f5d384 R13: ffffffff85f5d384 R14: ffffffff85f5d384 R15: dffffc0000000000 unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_kmalloc+0x82/0x90 __kmalloc_node_track_caller+0x53/0xb0 __alloc_skb+0xe9/0x310 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/0xba0 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:unmap_page_range+0xa69/0x2c10 Code: 48 83 e3 9f 48 89 de e8 c5 19 dc ff 48 85 db 74 89 e8 5b 1d dc ff 48 8b 7c 24 38 be 08 00 00 00 e8 2c 38 10 00 48 8b 44 24 60 <80> 38 00 0f 85 f0 17 00 00 48 8b 44 24 38 31 ff 48 8b 18 48 c1 eb RSP: 0018:ffff88801be8f700 EFLAGS: 00000246 RAX: ffffed1003750358 RBX: 80000000354a1007 RCX: ffffffff816d33d4 RDX: ffffed1003750359 RSI: 0000000000000008 RDI: ffff88801ba81ac0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffff88801ba81ac7 R10: ffffed1003750358 R11: 0000000000000001 R12: ffff8880459c3198 R13: 80000000354a1007 R14: 00007f3a3a25a000 R15: ffff88801be8fad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 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: 0033:0x7f3a3a8e2b19 Code: Unable to access opcode bytes at 0x7f3a3a8e2aef. RSP: 002b:00007f3a37e58218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f3a3a9f5f68 RCX: 00007f3a3a8e2b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3a3a9f5f68 RBP: 00007f3a3a9f5f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a3a9f5f6c R13: 00007fff918b9dbf R14: 00007f3a37e58300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 85 c0 test %rax,%rax 3: 74 06 je 0xb 5: 5d pop %rbp 6: e9 52 37 23 03 jmpq 0x323375d b: 48 89 ef mov %rbp,%rdi e: 5d pop %rbp f: e9 35 a1 18 00 jmpq 0x18a149 14: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop * 29: 66 0f 1f 00 nopw (%rax) <-- trapping instruction 2d: 41 54 push %r12 2f: 53 push %rbx 30: 48 89 fb mov %rdi,%rbx 33: 48 81 ff 00 00 00 81 cmp $0xffffffff81000000,%rdi 3a: 72 09 jb 0x45 3c: 48 rex.W 3d: 81 .byte 0x81 3e: ff .byte 0xff