Buffer I/O error on dev loop2, logical block 10, lost async page write syz-executor.2: attempt to access beyond end of device loop2: rw=2049, sector=44, nr_sectors = 4 limit=40 random: crng reseeded on system resumption watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:7411] Modules linked in: irq event stamp: 4022439 hardirqs last enabled at (4022438): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4022439): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4009278): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4009281): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7411 Comm: syz-executor.4 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x4a/0xf0 Code: 4c 39 e7 0f 87 a2 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c 48 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 <48> 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d RSP: 0018:ffff88806ce096a0 EFLAGS: 00000246 RAX: ffffffff85d563ac RBX: 0000000000000002 RCX: ffffffff8112f2ad RDX: 0000000000000001 RSI: ffffffff86051dd6 RDI: ffffffff85d563ac RBP: ffffffff85d563ac R08: ffffffff86051dd6 R09: ffff88806ce097b8 R10: ffffed100d9c1304 R11: 0000000000038001 R12: ffffffff85d563ac R13: ffffffff85d563ac R14: ffffffff85d563ac R15: dffffc0000000000 FS: 00007f3059c91700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000016560000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x2b1/0x2130 __unwind_start+0x513/0x7c0 arch_stack_walk+0x63/0xf0 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 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __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:__local_bh_enable_ip+0xac/0x130 Code: 1d 81 55 eb 7e 65 8b 05 7a 55 eb 7e a9 00 ff ff 00 74 49 bf 01 00 00 00 e8 51 b0 09 00 e8 8c 0f 38 00 fb 65 8b 05 5c 55 eb 7e <85> c0 74 5c 5b 5d e9 cd 64 2a 03 65 8b 05 be 51 ea 7e 85 c0 75 9e RSP: 0018:ffff888044a7f3d0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 00000000fffffe01 RCX: ffffffff812b740f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff837bbb1e R08: 0000000000000001 R09: ffffffff8763594f R10: fffffbfff0ec6b29 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88803bd1c000 R15: 00000000aa1414ac ip_finish_output2+0x73c/0x1fb0 ip_do_fragment+0x1e14/0x24e0 ip_fragment.constprop.0+0x16b/0x240 __ip_finish_output.part.0+0x883/0xd10 ip_output+0x2ec/0x8e0 ip_push_pending_frames+0x30b/0x5c0 raw_sendmsg+0x11b0/0x2b40 inet_sendmsg+0x121/0x150 sock_sendmsg+0x140/0x190 ____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: 0033:0x7f305c71bb19 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:00007f3059c91188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f305c82ef60 RCX: 00007f305c71bb19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f305c775f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe8b2ea86f R14: 00007f3059c91300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7415 Comm: syz-executor.3 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x372/0x5e70 Code: 81 e7 00 00 03 00 41 c1 e1 13 41 09 c7 8b 44 24 08 48 c1 ea 03 c1 e0 12 25 00 00 04 00 41 09 c7 8b 84 24 58 01 00 00 45 09 f9 e0 14 41 09 c1 41 8b 45 20 25 ff 1f 00 00 41 09 c1 48 b8 00 00 RSP: 0018:ffff88806cf09c40 EFLAGS: 00000006 RAX: 0000000000000000 RBX: ffff88800f17a420 RCX: 0000000000000000 RDX: 1ffff11001e2f492 RSI: 0000000000000004 RDI: ffff88800f17a494 RBP: 0000000000000000 R08: 000000000000000a R09: 00000000000e4000 R10: fffffbfff0ba1252 R11: 0000000000000001 R12: ffff88800f179ac0 R13: ffff88800f17a470 R14: ffffffff85627bc8 R15: 0000000000064000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0005f0000 CR3: 000000000fce8000 CR4: 0000000000350ee0 Call Trace: lock_acquire.part.0+0x11e/0x340 ktime_get+0x80/0x1f0 clockevents_program_event+0x14f/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x8d/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0x1fd1/0x2c10 Code: 24 48 89 84 24 88 00 00 00 e9 97 f9 ff ff 4c 89 6c 24 70 c7 44 24 7c 00 00 00 00 e9 1f fb ff ff e8 84 0b dc ff 48 8b 74 24 68 <31> d2 4d 8d 75 30 4c 89 ef e8 91 71 05 00 be 04 00 00 00 4c 89 f7 RSP: 0018:ffff888045a0f700 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88800f179ac0 RSI: ffff88800c4ecdd0 RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804332a368 R13: ffffea0000e08040 R14: ffffea0000e08040 R15: ffff888045a0fad8 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: 0033:0x7fabb41c1b19 Code: Unable to access opcode bytes at 0x7fabb41c1aef. RSP: 002b:00007fabb1737108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: 0000000000000006 RBX: 00007fabb42d4f60 RCX: 00007fabb41c1b19 RDX: 0000000020ff9000 RSI: 0000000020000180 RDI: 000000000000293f RBP: 0000000020000180 R08: 0000000020000300 R09: 0000000020000300 R10: 0000000020000200 R11: 0000000000000202 R12: 0000000020000300 R13: 0000000020ff9000 R14: 0000000020000200 R15: 0000000020ffb000 Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci7: command 0x0409 tx timeout Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci7: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout ---------------- Code disassembly (best guess): 0: 4c 39 e7 cmp %r12,%rdi 3: 0f 87 a2 00 00 00 ja 0xab 9: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 10: fc ff df 13: 49 89 fe mov %rdi,%r14 16: 48 89 fd mov %rdi,%rbp 19: eb 0c jmp 0x27 1b: 48 8d 6b 04 lea 0x4(%rbx),%rbp 1f: 49 89 de mov %rbx,%r14 22: 49 39 ec cmp %rbp,%r12 25: 72 4d jb 0x74 27: 4c 89 e0 mov %r12,%rax * 2a: 48 29 e8 sub %rbp,%rax <-- trapping instruction 2d: 48 89 c2 mov %rax,%rdx 30: 48 c1 e8 3f shr $0x3f,%rax 34: 48 c1 fa 02 sar $0x2,%rdx 38: 48 01 d0 add %rdx,%rax 3b: 48 d1 f8 sar %rax 3e: 48 rex.W 3f: 8d .byte 0x8d