syzkaller
syzkaller login: [ 7.069135][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 12.111840][ T23] kauditd_printk_skb: 60 callbacks suppressed
[ 12.111850][ T23] audit: type=1400 audit(1635114892.550:71): avc: denied { transition } for pid=288 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.118384][ T23] audit: type=1400 audit(1635114892.550:72): avc: denied { write } for pid=288 comm="sh" path="pipe:[10787]" dev="pipefs" ino=10787 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[ 12.279678][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!!
[ 12.449032][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 13.159597][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts.
executing program
[ 19.106092][ T23] audit: type=1400 audit(1635114899.540:73): avc: denied { execmem } for pid=364 comm="syz-executor508" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 19.125651][ T23] audit: type=1400 audit(1635114899.540:74): avc: denied { read write } for pid=364 comm="syz-executor508" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 19.149462][ T23] audit: type=1400 audit(1635114899.540:75): avc: denied { open } for pid=364 comm="syz-executor508" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 19.173125][ T23] audit: type=1400 audit(1635114899.540:76): avc: denied { ioctl } for pid=364 comm="syz-executor508" path="/dev/raw-gadget" dev="devtmpfs" ino=165 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 19.369018][ T24] usb 1-1: new full-speed USB device number 2 using dummy_hcd
[ 19.729075][ T24] usb 1-1: New USB device found, idVendor=05e3, idProduct=0502, bcdDevice=64.21
[ 19.738101][ T24] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 19.748400][ T24] usb 1-1: config 0 descriptor??
[ 19.792821][ T24] gl620a 1-1:0.0 usb0: register 'gl620a' at usb-dummy_hcd.0-1, Genesys GeneLink, 86:9b:45:7b:ae:09
[ 19.810063][ T23] audit: type=1400 audit(1635114900.240:77): avc: denied { read } for pid=197 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1
[ 19.939048][ C0] divide error: 0000 [#1] PREEMPT SMP KASAN
[ 19.944957][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0
[ 19.954391][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 19.964463][ C0] RIP: 0010:genelink_tx_fixup+0x415/0x5d0
[ 19.970171][ C0] Code: 04 28 84 c0 0f 85 ee 00 00 00 8b 1b 49 81 c4 90 00 00 00 4c 89 e0 48 c1 e8 03 42 8a 04 28 84 c0 0f 85 ef 00 00 00 89 d8 31 d2 <41> f7 34 24 89 d3 31 ff 89 d6 e8 2c 61 64 fe 85 db 74 07 e8 03 5d
[ 19.989766][ C0] RSP: 0018:ffffc900000070d0 EFLAGS: 00010246
[ 19.995825][ C0] RAX: 0000000000000062 RBX: 0000000000000062 RCX: ffffffff8641b000
[ 20.003783][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888101dabbb0
[ 20.011742][ C0] RBP: ffffc90000007158 R08: ffffffff83089a30 R09: 0000000000000003
[ 20.019699][ C0] R10: fffff52000000e4d R11: 0000000000000004 R12: ffff8881081aca10
[ 20.027662][ C0] R13: dffffc0000000000 R14: ffff88810199a00e R15: ffff888101dabb40
[ 20.035631][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.044546][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.051118][ C0] CR2: 00005558ffa4d368 CR3: 0000000115be6000 CR4: 00000000003506b0
[ 20.059079][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.067036][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.074995][ C0] Call Trace:
[ 20.078263][ C0]
[ 20.081111][ C0] usbnet_start_xmit+0x111/0x1a60
[ 20.086122][ C0] ? validate_xmit_skb+0x62d/0xc40
[ 20.091223][ C0] ? do_idle+0x420/0x5e0
[ 20.095454][ C0] xmit_one+0x16a/0x480
[ 20.099594][ C0] dev_hard_start_xmit+0xad/0x1c0
[ 20.104606][ C0] sch_direct_xmit+0x28f/0x9b0
[ 20.109358][ C0] ? asan.module_dtor+0x20/0x20
[ 20.114199][ C0] __qdisc_run+0x245/0x3e0
[ 20.118605][ C0] ? sch_direct_xmit+0x9b0/0x9b0
[ 20.123530][ C0] __dev_queue_xmit+0xe7e/0x2ac0
[ 20.128455][ C0] ? dev_queue_xmit+0x20/0x20
[ 20.133119][ C0] ? __local_bh_enable_ip+0xa8/0x170
[ 20.138389][ C0] ? __kasan_check_write+0x14/0x20
[ 20.143489][ C0] ? _raw_write_lock_bh+0xa3/0x170
[ 20.148585][ C0] ? __local_bh_enable_ip+0xa8/0x170
[ 20.153861][ C0] ? eth_header+0x11f/0x200
[ 20.158351][ C0] ? memcpy+0x56/0x70
[ 20.162317][ C0] dev_queue_xmit+0x17/0x20
[ 20.166802][ C0] neigh_resolve_output+0x693/0x740
[ 20.171999][ C0] ip6_finish_output2+0x109c/0x1930
[ 20.177195][ C0] ? __ip6_finish_output+0x7b0/0x7b0
[ 20.182472][ C0] __ip6_finish_output+0x610/0x7b0
[ 20.187571][ C0] ip6_finish_output+0x3f/0x1e0
[ 20.192408][ C0] ? ip6_output+0x1f3/0x4c0
[ 20.196896][ C0] ip6_output+0x211/0x4c0
[ 20.201209][ C0] ? asan.module_dtor+0x20/0x20
[ 20.206051][ C0] ? ip6_output+0x4c0/0x4c0
[ 20.210545][ C0] ? __rcu_read_lock+0x50/0x50
[ 20.215295][ C0] ? nf_hook_slow+0x1b6/0x200
[ 20.219959][ C0] mld_sendpack+0x5fc/0xb20
[ 20.224457][ C0] ? add_grec+0x1370/0x1370
[ 20.228950][ C0] ? mld_send_report+0x210/0x210
[ 20.233982][ C0] mld_ifc_timer_expire+0x85b/0xc50
[ 20.239175][ C0] ? __kasan_check_read+0x11/0x20
[ 20.244188][ C0] ? mld_gq_timer_expire+0xe0/0xe0
[ 20.249288][ C0] call_timer_fn+0x35/0x280
[ 20.253776][ C0] ? mld_gq_timer_expire+0xe0/0xe0
[ 20.258878][ C0] expire_timers+0x21f/0x3b0
[ 20.263453][ C0] __run_timers+0x548/0x680
[ 20.267978][ C0] ? enqueue_timer+0x470/0x470
[ 20.272728][ C0] run_timer_softirq+0x69/0xf0
[ 20.277477][ C0] __do_softirq+0x27e/0x598
[ 20.281973][ C0] asm_call_irq_on_stack+0xf/0x20
[ 20.286975][ C0]
[ 20.289903][ C0] do_softirq_own_stack+0x60/0x80
[ 20.294910][ C0] __irq_exit_rcu+0x128/0x150
[ 20.299572][ C0] irq_exit_rcu+0x9/0x10
[ 20.303802][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0
[ 20.309423][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 20.315475][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0
[ 20.321179][ C0] Code: 89 de 48 83 e6 08 31 ff e8 c2 64 cf fc 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 ee 5f cf fc 0f 00 2d 17 14 b4 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84
[ 20.340773][ C0] RSP: 0018:ffffffff86407be8 EFLAGS: 00000246
[ 20.346827][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff849d98c7
[ 20.354794][ C0] RDX: ffffffff8641b000 RSI: 0000000000000000 RDI: 0000000000000000
[ 20.362847][ C0] RBP: ffffffff86407c00 R08: ffffffff849d98ee R09: fffffbfff0c83601
[ 20.370806][ C0] R10: fffffbfff0c83601 R11: 0000000000000000 R12: 0000000000000001
[ 20.378764][ C0] R13: ffff888101ffa804 R14: ffff8881057e0864 R15: dffffc0000000000
[ 20.386734][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 20.391844][ C0] ? acpi_idle_do_entry+0x77/0x1f0
[ 20.396942][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 20.402043][ C0] acpi_idle_enter+0x32d/0x4f0
[ 20.406792][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40
[ 20.412062][ C0] ? acpi_idle_lpi_enter+0xe0/0xe0
[ 20.417161][ C0] cpuidle_enter_state+0x5d1/0x1470
[ 20.422346][ C0] ? cpuidle_enter_s2idle+0x5e0/0x5e0
[ 20.427703][ C0] cpuidle_enter+0x5f/0xa0
[ 20.432108][ C0] do_idle+0x420/0x5e0
[ 20.436163][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 20.441348][ C0] ? __rcu_read_lock+0x50/0x50
[ 20.446099][ C0] ? debug_smp_processor_id+0x1c/0x20
[ 20.451478][ C0] cpu_startup_entry+0x25/0x30
[ 20.456231][ C0] rest_init+0xe6/0xf0
[ 20.460291][ C0] ? time_init+0x38/0x38
[ 20.464518][ C0] arch_call_rest_init+0xe/0x10
[ 20.469351][ C0] start_kernel+0x466/0x4d8
[ 20.473840][ C0] x86_64_start_reservations+0x2a/0x2c
[ 20.479286][ C0] x86_64_start_kernel+0x7a/0x7d
[ 20.484210][ C0] secondary_startup_64_no_verify+0xb0/0xbb
[ 20.490081][ C0] Modules linked in:
[ 20.494011][ C0] ---[ end trace 34069f639c72784a ]---
[ 20.499471][ C0] RIP: 0010:genelink_tx_fixup+0x415/0x5d0
[ 20.505175][ C0] Code: 04 28 84 c0 0f 85 ee 00 00 00 8b 1b 49 81 c4 90 00 00 00 4c 89 e0 48 c1 e8 03 42 8a 04 28 84 c0 0f 85 ef 00 00 00 89 d8 31 d2 <41> f7 34 24 89 d3 31 ff 89 d6 e8 2c 61 64 fe 85 db 74 07 e8 03 5d
[ 20.524766][ C0] RSP: 0018:ffffc900000070d0 EFLAGS: 00010246
[ 20.530819][ C0] RAX: 0000000000000062 RBX: 0000000000000062 RCX: ffffffff8641b000
[ 20.538778][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888101dabbb0
[ 20.546742][ C0] RBP: ffffc90000007158 R08: ffffffff83089a30 R09: 0000000000000003
[ 20.554699][ C0] R10: fffff52000000e4d R11: 0000000000000004 R12: ffff8881081aca10
[ 20.562658][ C0] R13: dffffc0000000000 R14: ffff88810199a00e R15: ffff888101dabb40
[ 20.570627][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.579551][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.586123][ C0] CR2: 00005558ffa4d368 CR3: 0000000115be6000 CR4: 00000000003506b0
[ 20.594178][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.602142][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.610107][ C0] Kernel panic - not syncing: Fatal exception in interrupt
[ 20.617520][ C0] Kernel Offset: disabled
[ 20.621828][ C0] Rebooting in 86400 seconds..