loop6: detected capacity change from 0 to 40 9pnet_fd: Insufficient options for proto=fd 9pnet_fd: Insufficient options for proto=fd watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:5890] Modules linked in: irq event stamp: 3996441 hardirqs last enabled at (3996440): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3996441): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3976438): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3976441): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5890 Comm: syz-executor.0 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:__sanitizer_cov_trace_const_cmp1+0x8/0x20 Code: bf 06 00 00 00 e9 b8 fe ff ff 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 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 86 fe ff ff 66 0f 1f 44 RSP: 0018:ffff88806cf09ab8 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff840e4b24 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888046d00de0 R13: ffffffff82fbb790 R14: ffff88806cf09b10 R15: ffff888016a8a6b0 FS: 00007f55c98dc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020006000 CR3: 00000000207ae000 CR4: 0000000000350ee0 Call Trace: ieee80211_iterate_active_interfaces_atomic+0x84/0x180 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb93/0x1360 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:ffff888048fcf440 EFLAGS: 00000246 RAX: 00000000003b95e5 RBX: ffff88806cf3d8a0 RCX: ffffffff812b3b2f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8763293f R10: fffffbfff0ec6527 R11: 0000000000000001 R12: ffff88800844f780 R13: 0000000000000000 R14: ffffea000024db40 R15: 0000000000000005 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e1/0x410 ext4_alloc_io_end_vec+0x23/0x130 ext4_do_writepages+0x165b/0x3380 ext4_writepages+0x27c/0x5b0 do_writepages+0x1b4/0x6a0 filemap_fdatawrite_wbc+0x14b/0x1b0 __filemap_fdatawrite_range+0xba/0x100 file_write_and_wait_range+0xd2/0x140 ext4_sync_file+0x221/0xfa0 vfs_fsync_range+0x141/0x230 ext4_buffered_write_iter+0x37d/0x460 ext4_file_write_iter+0x3ff/0x1930 vfs_write+0x9c7/0xd90 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f55cc366b19 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:00007f55c98dc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f55cc479f60 RCX: 00007f55cc366b19 RDX: 0000000000041030 RSI: 0000000020000080 RDI: 0000000000000007 RBP: 00007f55cc3c0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc1db636f R14: 00007f55c98dc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5844 Comm: syz-executor.4 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:__sanitizer_cov_trace_pc+0x20/0x70 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 7d ab ba 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 89 03 00 00 01 ff 00 74 0e 85 c9 74 35 8b 82 0c 14 00 00 85 c0 74 2b 8b RSP: 0018:ffff88806ce09528 EFLAGS: 00000006 RAX: 0000000000010102 RBX: ffff8880483b6540 RCX: 0000000000000100 RDX: ffff88800bbc0000 RSI: ffffffff81390940 RDI: 0000000000000006 RBP: 0000000000002710 R08: 0000000000000006 R09: 0000000000002710 R10: 0000008280907023 R11: 0000000000000001 R12: 0000008280907023 R13: 0000008280907023 R14: 0000000000000001 R15: 0000008280904913 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ab074e8648 CR3: 00000000144d8000 CR4: 0000000000350ef0 Call Trace: hrtimer_forward+0x1d0/0x270 perf_swevent_hrtimer+0x235/0x3d0 __hrtimer_run_queues+0x17f/0xc70 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: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 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:unmap_page_range+0x19de/0x2c10 Code: 09 00 00 41 80 4f 20 10 4d 85 ed 0f 84 19 f0 ff ff e8 66 19 dc ff 49 8d 45 08 48 89 84 24 98 00 00 00 48 c1 e8 03 80 3c 28 00 <0f> 85 ff 08 00 00 49 8b 5d 08 31 ff 49 89 de 41 83 e6 01 4c 89 f6 RSP: 0018:ffff8880443cf700 EFLAGS: 00000246 RAX: 1ffffd40001d3439 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88800bbc0000 RSI: ffffffff816cc41a RDI: ffff8880443cfaf0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888034edbe78 R13: ffffea0000e9a1c0 R14: 0000000000000001 R15: ffff8880443cfad8 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: 0033:0x7f5fa6fa7b19 Code: Unable to access opcode bytes at 0x7f5fa6fa7aef. RSP: 002b:00007f5fa44fc188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000007 RBX: 00007f5fa70bb020 RCX: 00007f5fa6fa7b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f5fa7001f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8be07a0f R14: 00007f5fa44fc300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: bf 06 00 00 00 mov $0x6,%edi 5: e9 b8 fe ff ff jmpq 0xfffffec2 a: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 11: 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 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: f3 0f 1e fa endbr64 26: 48 8b 0c 24 mov (%rsp),%rcx * 2a: 40 0f b6 d6 movzbl %sil,%edx <-- trapping instruction 2e: 40 0f b6 f7 movzbl %dil,%esi 32: bf 01 00 00 00 mov $0x1,%edi 37: e9 86 fe ff ff jmpq 0xfffffec2 3c: 66 data16 3d: 0f .byte 0xf 3e: 1f (bad) 3f: 44 rex.R