kworker/u4:11: attempt to access beyond end of device loop3: rw=1048577, sector=124, nr_sectors = 4 limit=40 Buffer I/O error on dev loop3, logical block 31, lost async page write watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:14217] Modules linked in: irq event stamp: 3501203 hardirqs last enabled at (3501202): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3501203): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3458352): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3458355): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 14217 Comm: syz-executor.3 Not tainted 6.1.0-rc8-next-20221206 #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 ce 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:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8441c9bb RDX: fffffbfff0b483a1 RSI: 0000000000000004 RDI: ffffffff85a41d00 RBP: ffffffff85a41d00 R08: 0000000000000000 R09: ffffffff85a41d03 R10: fffffbfff0b483a0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b483a0 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555573bc58 CR3: 000000003853a000 CR4: 0000000000350ee0 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/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:__tlb_remove_page_size+0x3c/0x470 Code: 89 fb e8 b7 41 d8 ff 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 a4 03 00 00 48 8b 6b 18 <31> ff 48 89 ee e8 ea 3d d8 ff 48 85 ed 0f 84 cc 01 00 00 e8 7c 41 RSP: 0018:ffff888046ccf6c8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888046ccfad8 RCX: 0000000000000000 RDX: 1ffff11008d99f5e RSI: ffffffff817112c9 RDI: ffff888046ccfaf0 RBP: ffffffffffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: ffff8880186ac120 R13: ffffea0000cfa800 R14: 0000000000000000 R15: ffff888046ccfad8 unmap_page_range+0x1c3e/0x2c10 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: 0033:0x7fc2bf0c7b19 Code: Unable to access opcode bytes at 0x7fc2bf0c7aef. RSP: 002b:00007fc2bc598188 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: fffffffffffffffc RBX: 00007fc2bf1db320 RCX: 00007fc2bf0c7b19 RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000007 RBP: 00007fc2bf121f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008040000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdb90757f R14: 00007fc2bc598300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14208 Comm: syz-executor.0 Not tainted 6.1.0-rc8-next-20221206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 Code: 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 7d 34 ba 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 00 01 ff 00 74 0e RSP: 0018:ffff88806ce09398 EFLAGS: 00000002 RAX: 0000000000010101 RBX: ffff888008eae9c0 RCX: 0000000000010101 RDX: ffff88803a201ac0 RSI: ffffffff815ce623 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce09640 R13: ffff888008eae9c0 R14: ffff88806ce099e8 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5ab5f58130 CR3: 000000001c38a000 CR4: 0000000000350ef0 Call Trace: perf_output_begin_forward+0xd3/0xb00 perf_event_output_forward+0xf6/0x280 __perf_event_overflow+0x3ed/0x760 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x17f/0xba0 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__create_object+0x390/0xc10 Code: 58 01 00 00 00 00 00 00 e8 fd ca aa 02 49 8d bf c8 00 00 00 ba 02 00 00 00 be 10 00 00 00 e8 77 6c b7 ff 49 8d bf 48 01 00 00 <48> ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 14 11 84 RSP: 0018:ffff88806ce09a90 EFLAGS: 00000283 RAX: 0000000000000010 RBX: 0000000000000200 RCX: 0000000000000000 RDX: 1ffff1100320fdd8 RSI: ffffffff8460144a RDI: ffff88801907eec8 RBP: ffff888047b35800 R08: ffffffff8645e826 R09: ffffffff8645e82a R10: ffff88806ce09ff8 R11: ffff88806ce09998 R12: ffff88801907edc8 R13: 0000000000000000 R14: ffff88801907eedc R15: ffff88801907ed80 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 __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/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:PageHuge+0x4/0x230 Code: e9 9e fe ff ff 48 89 ef e8 59 3d 04 00 e9 51 fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 55 41 54 55 53 48 89 fb e8 3e 0a d0 ff be 08 00 00 00 48 89 df RSP: 0018:ffff8880448a7670 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88803a201ac0 RSI: ffffffff8172bc5f RDI: ffffea0000f7ab00 RBP: ffffea0000f7ab00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888038382340 R13: ffff8880448a7ad8 R14: 0000000000000001 R15: dffffc0000000000 page_remove_rmap+0x37/0x620 tlb_flush_rmaps+0x165/0x200 unmap_page_range+0x1639/0x2c10 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: 0033:0x7fec67d23b19 Code: Unable to access opcode bytes at 0x7fec67d23aef. RSP: 002b:00007fec651f4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000006 RBX: 00007fec67e37320 RCX: 00007fec67d23b19 RDX: 0000000000000800 RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 00007fec67d7df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2bec866f R14: 00007fec651f4300 R15: 0000000000022000 ---------------- 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 ce 1f 00 00 jmpq 0x1ff6 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