Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. [ 549.168561][ T28] audit: type=1400 audit(1706059196.175:86): avc: denied { execmem } for pid=5079 comm="syz-executor218" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 549.200327][ T28] audit: type=1400 audit(1706059196.205:87): avc: denied { mounton } for pid=5080 comm="syz-executor218" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 549.230378][ T28] audit: type=1400 audit(1706059196.205:88): avc: denied { mount } for pid=5080 comm="syz-executor218" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 549.262677][ T28] audit: type=1400 audit(1706059196.215:89): avc: denied { mounton } for pid=5080 comm="syz-executor218" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 executing program [ 549.329165][ T28] audit: type=1400 audit(1706059196.335:90): avc: denied { mounton } for pid=5080 comm="syz-executor218" path="/dev/binderfs" dev="devtmpfs" ino=2322 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 549.352520][ T28] audit: type=1400 audit(1706059196.335:91): avc: denied { mount } for pid=5080 comm="syz-executor218" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 549.375355][ T28] audit: type=1400 audit(1706059196.335:92): avc: denied { read } for pid=5083 comm="syz-executor218" name="nbd0" dev="devtmpfs" ino=664 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 549.400529][ T28] audit: type=1400 audit(1706059196.335:93): avc: denied { open } for pid=5083 comm="syz-executor218" path="/dev/nbd0" dev="devtmpfs" ino=664 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 549.424918][ T28] audit: type=1400 audit(1706059196.335:94): avc: denied { ioctl } for pid=5083 comm="syz-executor218" path="/dev/nbd0" dev="devtmpfs" ino=664 ioctlcmd=0xab00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 549.476747][ T5085] nbd0: detected capacity change from 0 to 65538 [ 549.597444][ T4444] block nbd0: Receive control failed (result -104) [ 549.598658][ T5084] block nbd0: shutting down sockets [ 549.611329][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 549.620608][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 549.628492][ T5081] ldm_validate_partition_table(): Disk read failed. [ 549.635440][ T5081] Dev nbd0: unable to read RDB block 0 [ 549.640971][ T5081] nbd0: unable to read partition table executing program [ 549.646864][ T5081] nbd0: partition table beyond EOD, truncated [ 549.764104][ T5088] nbd0: detected capacity change from 0 to 65538 [ 549.881779][ T4444] block nbd0: Receive control failed (result -104) [ 549.882389][ T5087] block nbd0: shutting down sockets [ 549.894520][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 549.903658][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 549.911517][ T5081] ldm_validate_partition_table(): Disk read failed. [ 549.918118][ T5081] Dev nbd0: unable to read RDB block 0 [ 549.923796][ T5081] nbd0: unable to read partition table executing program [ 549.929637][ T5081] nbd0: partition table beyond EOD, truncated [ 550.043052][ T5091] nbd0: detected capacity change from 0 to 65538 [ 550.160619][ T4444] block nbd0: Receive control failed (result -104) [ 550.169055][ T5090] block nbd0: shutting down sockets [ 550.174592][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 550.183718][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 550.191637][ T5081] ldm_validate_partition_table(): Disk read failed. [ 550.198392][ T5081] Dev nbd0: unable to read RDB block 0 [ 550.204112][ T5081] nbd0: unable to read partition table executing program [ 550.209923][ T5081] nbd0: partition table beyond EOD, truncated [ 550.323012][ T5094] nbd0: detected capacity change from 0 to 65538 executing program [ 550.440958][ T5093] block nbd0: shutting down sockets [ 550.446617][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 550.455748][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 550.463757][ T5081] ldm_validate_partition_table(): Disk read failed. [ 550.470503][ T5081] Dev nbd0: unable to read RDB block 0 [ 550.475999][ T5081] nbd0: unable to read partition table [ 550.481990][ T5081] nbd0: partition table beyond EOD, truncated [ 550.604356][ T5096] nbd0: detected capacity change from 0 to 65538 [ 550.722147][ T4444] block nbd0: Receive control failed (result -104) [ 550.723000][ T5097] block nbd0: shutting down sockets [ 550.734546][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 550.743642][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 550.751516][ T5081] ldm_validate_partition_table(): Disk read failed. [ 550.758190][ T5081] Dev nbd0: unable to read RDB block 0 [ 550.763787][ T5081] nbd0: unable to read partition table executing program [ 550.769622][ T5081] nbd0: partition table beyond EOD, truncated [ 550.882076][ T5100] nbd0: detected capacity change from 0 to 65538 [ 550.999719][ T4444] block nbd0: Receive control failed (result -104) [ 551.000320][ T5099] block nbd0: shutting down sockets [ 551.012067][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 551.021171][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 551.029015][ T5081] ldm_validate_partition_table(): Disk read failed. [ 551.035752][ T5081] Dev nbd0: unable to read RDB block 0 [ 551.041467][ T5081] nbd0: unable to read partition table executing program [ 551.047301][ T5081] nbd0: partition table beyond EOD, truncated [ 551.162435][ T5103] nbd0: detected capacity change from 0 to 65538 executing program [ 551.279793][ T5102] block nbd0: shutting down sockets [ 551.285784][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 551.294884][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 551.302790][ T5081] ldm_validate_partition_table(): Disk read failed. [ 551.309504][ T5081] Dev nbd0: unable to read RDB block 0 [ 551.315170][ T5081] nbd0: unable to read partition table [ 551.321228][ T5081] nbd0: partition table beyond EOD, truncated [ 551.432550][ T5106] nbd0: detected capacity change from 0 to 65538 [ 551.550253][ T4444] block nbd0: Receive control failed (result -104) [ 551.550954][ T5105] block nbd0: shutting down sockets [ 551.562668][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 551.571803][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 551.579647][ T5081] ldm_validate_partition_table(): Disk read failed. [ 551.586326][ T5081] Dev nbd0: unable to read RDB block 0 [ 551.591861][ T5081] nbd0: unable to read partition table executing program [ 551.597666][ T5081] nbd0: partition table beyond EOD, truncated [ 551.718287][ T5108] nbd0: detected capacity change from 0 to 65538 [ 551.835306][ T4444] block nbd0: Receive control failed (result -104) [ 551.836140][ T5109] block nbd0: shutting down sockets [ 551.847453][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 551.856548][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 551.864410][ T5081] ldm_validate_partition_table(): Disk read failed. [ 551.871217][ T5081] Dev nbd0: unable to read RDB block 0 [ 551.876721][ T5081] nbd0: unable to read partition table executing program [ 551.882842][ T5081] nbd0: partition table beyond EOD, truncated [ 551.992067][ T5112] nbd0: detected capacity change from 0 to 65538 [ 552.108595][ T4444] block nbd0: Receive control failed (result -104) [ 552.109054][ T5111] block nbd0: shutting down sockets [ 552.120899][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 552.129956][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 552.137936][ T5081] ldm_validate_partition_table(): Disk read failed. [ 552.144661][ T5081] Dev nbd0: unable to read RDB block 0 [ 552.150333][ T5081] nbd0: unable to read partition table executing program [ 552.156191][ T5081] nbd0: partition table beyond EOD, truncated [ 552.272068][ T5115] nbd0: detected capacity change from 0 to 65538 executing program [ 552.390195][ T4444] block nbd0: Receive control failed (result -104) [ 552.390816][ T5114] block nbd0: shutting down sockets [ 552.402558][ T5081] ldm_validate_partition_table(): Disk read failed. [ 552.409255][ T5081] Dev nbd0: unable to read RDB block 0 [ 552.414857][ T5081] nbd0: unable to read partition table [ 552.420808][ T5081] nbd0: partition table beyond EOD, truncated [ 552.532161][ T5118] nbd0: detected capacity change from 0 to 65538 executing program [ 552.649663][ T5117] block nbd0: shutting down sockets [ 552.656541][ T5081] ldm_validate_partition_table(): Disk read failed. [ 552.663221][ T5081] Dev nbd0: unable to read RDB block 0 [ 552.668710][ T5081] nbd0: unable to read partition table [ 552.674643][ T5081] nbd0: partition table beyond EOD, truncated [ 552.792458][ T5121] nbd0: detected capacity change from 0 to 65538 executing program [ 552.909917][ T5120] block nbd0: shutting down sockets [ 552.915877][ T5081] ldm_validate_partition_table(): Disk read failed. [ 552.922638][ T5081] Dev nbd0: unable to read RDB block 0 [ 552.928120][ T5081] nbd0: unable to read partition table [ 552.934113][ T5081] nbd0: partition table beyond EOD, truncated [ 553.042444][ T5124] nbd0: detected capacity change from 0 to 65538 executing program [ 553.160260][ T4444] block nbd0: Receive control failed (result -104) [ 553.166907][ T5123] block nbd0: shutting down sockets [ 553.172487][ T5081] ldm_validate_partition_table(): Disk read failed. [ 553.179159][ T5081] Dev nbd0: unable to read RDB block 0 [ 553.184770][ T5081] nbd0: unable to read partition table [ 553.190907][ T5081] nbd0: partition table beyond EOD, truncated [ 553.312370][ T5126] nbd0: detected capacity change from 0 to 65538 executing program [ 553.431193][ T4444] block nbd0: Receive control failed (result -104) [ 553.431855][ T5127] block nbd0: shutting down sockets [ 553.444207][ T5081] ldm_validate_partition_table(): Disk read failed. [ 553.450980][ T5081] Dev nbd0: unable to read RDB block 0 [ 553.456472][ T5081] nbd0: unable to read partition table [ 553.462501][ T5081] nbd0: partition table beyond EOD, truncated [ 553.582198][ T5130] nbd0: detected capacity change from 0 to 65538 executing program [ 553.699459][ T4444] block nbd0: Receive control failed (result -104) [ 553.706202][ T5129] block nbd0: shutting down sockets [ 553.712597][ T5081] ldm_validate_partition_table(): Disk read failed. [ 553.719228][ T5081] Dev nbd0: unable to read RDB block 0 [ 553.724972][ T5081] nbd0: unable to read partition table [ 553.730948][ T5081] nbd0: partition table beyond EOD, truncated [ 553.843096][ T5134] nbd0: detected capacity change from 0 to 65538 executing program [ 553.959848][ T4444] block nbd0: Receive control failed (result -104) [ 553.966549][ T5133] block nbd0: shutting down sockets [ 553.972250][ T5081] ldm_validate_partition_table(): Disk read failed. [ 553.978891][ T5081] Dev nbd0: unable to read RDB block 0 [ 553.984532][ T5081] nbd0: unable to read partition table [ 553.990516][ T5081] nbd0: partition table beyond EOD, truncated [ 554.102057][ T5137] nbd0: detected capacity change from 0 to 65538 executing program [ 554.219230][ T4444] block nbd0: Receive control failed (result -104) [ 554.225975][ T5136] block nbd0: shutting down sockets [ 554.232160][ T5081] udevd: attempt to access beyond end of device [ 554.232160][ T5081] nbd0: rw=0, sector=0, nr_sectors = 8 limit=0 [ 554.244666][ T5081] ldm_validate_partition_table(): Disk read failed. [ 554.251379][ T5081] Dev nbd0: unable to read RDB block 0 [ 554.256869][ T5081] nbd0: unable to read partition table [ 554.263000][ T5081] nbd0: partition table beyond EOD, truncated [ 554.372271][ T5140] nbd0: detected capacity change from 0 to 65538 executing program [ 554.495279][ T4444] block nbd0: Receive control failed (result -104) [ 554.501956][ T5139] block nbd0: shutting down sockets [ 554.507927][ T5081] ldm_validate_partition_table(): Disk read failed. [ 554.514672][ T5081] Dev nbd0: unable to read RDB block 0 [ 554.520219][ T5081] nbd0: unable to read partition table [ 554.526077][ T5081] nbd0: partition table beyond EOD, truncated [ 554.642048][ T5143] nbd0: detected capacity change from 0 to 65538 [ 554.759157][ T5142] block nbd0: shutting down sockets [ 554.764829][ C1] blk_print_req_error: 10 callbacks suppressed [ 554.764842][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 554.780067][ C1] buffer_io_error: 11 callbacks suppressed [ 554.780079][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 554.793970][ T5081] ldm_validate_partition_table(): Disk read failed. [ 554.800695][ T5081] Dev nbd0: unable to read RDB block 0 executing program [ 554.806193][ T5081] nbd0: unable to read partition table [ 554.812165][ T5081] nbd0: partition table beyond EOD, truncated [ 554.922005][ T5146] nbd0: detected capacity change from 0 to 65538 [ 555.039581][ T4444] block nbd0: Receive control failed (result -104) [ 555.046306][ T5145] block nbd0: shutting down sockets [ 555.052466][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 555.061570][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 555.069443][ T5081] ldm_validate_partition_table(): Disk read failed. [ 555.076240][ T5081] Dev nbd0: unable to read RDB block 0 [ 555.081779][ T5081] nbd0: unable to read partition table executing program [ 555.087634][ T5081] nbd0: partition table beyond EOD, truncated [ 555.202027][ T5149] nbd0: detected capacity change from 0 to 65538 [ 555.321489][ T4444] block nbd0: Receive control failed (result -104) [ 585.691544][ T55] block nbd0: Possible stuck request ffff88801e60a200: control (read@0,4096B). Runtime 30 seconds [ 615.299346][ T4501] udevd[4501]: worker [5081] /devices/virtual/block/nbd0 is taking a long time [ 615.770650][ T55] block nbd0: Possible stuck request ffff88801e60a200: control (read@0,4096B). Runtime 60 seconds [ 645.870269][ T55] block nbd0: Possible stuck request ffff88801e60a200: control (read@0,4096B). Runtime 90 seconds [ 675.930505][ T55] block nbd0: Possible stuck request ffff88801e60a200: control (read@0,4096B). Runtime 120 seconds [ 706.010690][ T55] block nbd0: Possible stuck request ffff88801e60a200: control (read@0,4096B). Runtime 150 seconds [ 716.890400][ T29] INFO: task syz-executor218:5148 blocked for more than 143 seconds. [ 716.898686][ T29] Not tainted 6.8.0-rc1-syzkaller-00026-g7ed2632ec7d7 #0 [ 716.906417][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.915280][ T29] task:syz-executor218 state:D stack:28136 pid:5148 tgid:5147 ppid:5080 flags:0x00004006 [ 716.925574][ T29] Call Trace: [ 716.928867][ T29] [ 716.931861][ T29] __schedule+0xf12/0x5c00 [ 716.936517][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 716.942608][ T29] ? io_schedule_timeout+0x150/0x150 [ 716.947923][ T29] ? schedule+0x1fc/0x270 [ 716.952322][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 716.957738][ T29] ? __mutex_lock+0x5b4/0x9d0 [ 716.962491][ T29] ? __mutex_trylock_common+0x78/0x250 [ 716.967987][ T29] schedule+0xe9/0x270 [ 716.972149][ T29] schedule_preempt_disabled+0x13/0x20 [ 716.977639][ T29] __mutex_lock+0x5b9/0x9d0 [ 716.982213][ T29] ? bdev_release+0xcd/0xa80 [ 716.986959][ T29] ? mutex_trylock+0x130/0x130 [ 716.991815][ T29] ? do_raw_spin_unlock+0x173/0x230 [ 716.997062][ T29] ? bdev_release+0xcd/0xa80 [ 717.001724][ T29] bdev_release+0xcd/0xa80 [ 717.006184][ T29] ? preempt_count_sub+0x160/0x160 [ 717.011401][ T29] ? task_work_run+0x127/0x240 [ 717.016216][ T29] ? blkdev_fsync+0xd0/0xd0 [ 717.020821][ T29] blkdev_release+0x37/0x50 [ 717.025411][ T29] __fput+0x270/0xb70 [ 717.029463][ T29] task_work_run+0x14d/0x240 [ 717.034169][ T29] ? task_work_cancel+0x30/0x30 [ 717.039108][ T29] ? do_raw_spin_lock+0x28c/0x2b0 [ 717.044244][ T29] get_signal+0x106f/0x2790 [ 717.048783][ T29] ? do_raw_spin_unlock+0x1d4/0x230 [ 717.054064][ T29] ? exit_signals+0x960/0x960 [ 717.058816][ T29] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 717.064717][ T29] arch_do_signal_or_restart+0x90/0x7f0 [ 717.070418][ T29] ? get_sigframe_size+0x20/0x20 [ 717.075378][ T29] syscall_exit_to_user_mode+0x156/0x2b0 [ 717.081105][ T29] do_syscall_64+0xe0/0x250 [ 717.085731][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 717.091756][ T29] RIP: 0033:0x7f3d42c154b9 [ 717.096196][ T29] RSP: 002b:00007f3d42bd3228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 717.104681][ T29] RAX: 0000000000000000 RBX: 00007f3d42c9c328 RCX: 00007f3d42c154b9 [ 717.112719][ T29] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 717.120750][ T29] RBP: 00007f3d42c9c320 R08: 00007f3d42bd36c0 R09: 00007f3d42bd36c0 [ 717.128748][ T29] R10: 00007f3d42bd36c0 R11: 0000000000000246 R12: 00007f3d42c9c32c [ 717.136799][ T29] R13: 00007f3d42c691a4 R14: 64626e2f7665642f R15: 00007fff8c419428 [ 717.144834][ T29] [ 717.147859][ T29] [ 717.147859][ T29] Showing all locks held in the system: [ 717.155640][ T29] 1 lock held by khungtaskd/29: [ 717.160576][ T29] #0: ffffffff8d1a9120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 717.170556][ T29] 2 locks held by kworker/u4:7/1093: [ 717.175905][ T29] 1 lock held by klogd/4490: [ 717.180570][ T29] 2 locks held by getty/4805: [ 717.185262][ T29] #0: ffff888014bee0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 717.195204][ T29] #1: ffffc900015e02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 [ 717.205413][ T29] 1 lock held by udevd/5081: [ 717.210024][ T29] #0: ffff88801e4ef4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open_by_dev+0x276/0xec0 [ 717.220069][ T29] 1 lock held by syz-executor218/5148: [ 717.225595][ T29] #0: ffff88801e4ef4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0xcd/0xa80 [ 717.235197][ T29] [ 717.237539][ T29] ============================================= [ 717.237539][ T29] [ 717.246011][ T29] NMI backtrace for cpu 1 [ 717.250374][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00026-g7ed2632ec7d7 #0 [ 717.260178][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 717.270227][ T29] Call Trace: [ 717.273503][ T29] [ 717.276433][ T29] dump_stack_lvl+0xd9/0x1b0 [ 717.281086][ T29] nmi_cpu_backtrace+0x277/0x390 [ 717.286036][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 717.291286][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 717.297288][ T29] watchdog+0xf87/0x1210 [ 717.301566][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 717.307563][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 717.312788][ T29] ? __kthread_parkme+0x14b/0x220 [ 717.317826][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 717.323829][ T29] kthread+0x2c6/0x3a0 [ 717.327908][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 717.333131][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 717.338798][ T29] ret_from_fork+0x45/0x80 [ 717.343252][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 717.348916][ T29] ret_from_fork_asm+0x11/0x20 [ 717.353737][ T29] [ 717.357006][ T29] Sending NMI from CPU 1 to CPUs 0: [ 717.362298][ C0] NMI backtrace for cpu 0 [ 717.362309][ C0] CPU: 0 PID: 4490 Comm: klogd Not tainted 6.8.0-rc1-syzkaller-00026-g7ed2632ec7d7 #0 [ 717.362333][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 717.362350][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x34/0x60 [ 717.362385][ C0] Code: c2 03 00 65 8b 05 24 b7 7c 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 fc 15 00 00 85 c0 74 2b 8b 82 d8 15 00 00 <83> f8 02 75 20 48 8b 8a e0 15 00 00 8b 92 dc 15 00 00 48 8b 01 48 [ 717.362406][ C0] RSP: 0018:ffffc9000347f410 EFLAGS: 00000246 [ 717.362423][ C0] RAX: 0000000000000000 RBX: 00007fcf5b5a49b5 RCX: 1ffffffff25444d4 [ 717.362438][ C0] RDX: ffff88807cf79dc0 RSI: ffffffff817382ba RDI: 00007fcf5b5a49b5 [ 717.362453][ C0] RBP: 0000000000000001 R08: 0000000000000007 R09: ffffffffff600000 [ 717.362467][ C0] R10: 00007fcf5b5a4000 R11: 0000000000000200 R12: ffffc9000347f520 [ 717.362481][ C0] R13: 00007fcf5b5a49b5 R14: ffffc9000347f598 R15: ffff88807cf79dc0 [ 717.362496][ C0] FS: 00007fcf5b442380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 717.362518][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.362533][ C0] CR2: 0000558792ff9050 CR3: 000000007d39a000 CR4: 00000000003506f0 [ 717.362547][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.362560][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.362574][ C0] Call Trace: [ 717.362580][ C0] [ 717.362587][ C0] ? show_regs+0x8f/0xa0 [ 717.362615][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 717.362643][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 717.362679][ C0] ? nmi_handle+0x1a6/0x570 [ 717.362707][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 717.362735][ C0] ? default_do_nmi+0x6a/0x160 [ 717.362755][ C0] ? exc_nmi+0x186/0x200 [ 717.362774][ C0] ? end_repeat_nmi+0xf/0x2a [ 717.362805][ C0] ? 0xffffffffff600000 [ 717.362818][ C0] ? __module_address+0x1a/0x3b0 [ 717.362852][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 717.362880][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 717.362908][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 717.362935][ C0] [ 717.362940][ C0] [ 717.362947][ C0] __module_address+0x1a/0x3b0 [ 717.362980][ C0] is_module_text_address+0x26/0x1a0 [ 717.363015][ C0] ? write_profile+0x450/0x450 [ 717.363035][ C0] kernel_text_address+0x6e/0xd0 [ 717.363072][ C0] __kernel_text_address+0xd/0x30 [ 717.363107][ C0] unwind_get_return_address+0x78/0xe0 [ 717.363131][ C0] arch_stack_walk+0xbe/0x170 [ 717.363157][ C0] stack_trace_save+0x96/0xd0 [ 717.363179][ C0] ? filter_irq_stacks+0x90/0x90 [ 717.363201][ C0] ? _raw_read_unlock_irqrestore+0x4e/0x70 [ 717.363232][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 717.363257][ C0] kasan_save_stack+0x33/0x50 [ 717.363367][ C0] ? kasan_save_stack+0x33/0x50 [ 717.363396][ C0] ? kasan_save_track+0x14/0x30 [ 717.363424][ C0] ? __kasan_kmalloc+0xa2/0xb0 [ 717.363451][ C0] ? __kmalloc_node_track_caller+0x219/0x460 [ 717.363477][ C0] ? kmalloc_reserve+0xef/0x260 [ 717.363573][ C0] ? __alloc_skb+0x12b/0x330 [ 717.363596][ C0] ? alloc_skb_with_frags+0xe4/0x710 [ 717.363625][ C0] ? sock_alloc_send_pskb+0x7e4/0x970 [ 717.363658][ C0] ? unix_dgram_sendmsg+0x464/0x1ca0 [ 717.363745][ C0] ? __sock_sendmsg+0xd5/0x180 [ 717.363766][ C0] ? __sys_sendto+0x225/0x310 [ 717.363790][ C0] ? __x64_sys_sendto+0xe0/0x1b0 [ 717.363813][ C0] ? do_syscall_64+0xd3/0x250 [ 717.363845][ C0] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 717.363881][ C0] kasan_save_track+0x14/0x30 [ 717.363908][ C0] __kasan_kmalloc+0xa2/0xb0 [ 717.363936][ C0] __kmalloc_node_track_caller+0x219/0x460 [ 717.363960][ C0] ? __alloc_skb+0x12b/0x330 [ 717.363983][ C0] kmalloc_reserve+0xef/0x260 [ 717.364006][ C0] __alloc_skb+0x12b/0x330 [ 717.364029][ C0] ? __napi_build_skb+0x50/0x50 [ 717.364051][ C0] ? __lock_acquire+0x1502/0x3b30 [ 717.364085][ C0] alloc_skb_with_frags+0xe4/0x710 [ 717.364115][ C0] sock_alloc_send_pskb+0x7e4/0x970 [ 717.364148][ C0] ? lock_acquire+0x1ae/0x520 [ 717.364180][ C0] ? sock_wmalloc+0x120/0x120 [ 717.364210][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 717.364242][ C0] ? do_raw_spin_lock+0x12e/0x2b0 [ 717.364260][ C0] ? spin_bug+0x1d0/0x1d0 [ 717.364279][ C0] unix_dgram_sendmsg+0x464/0x1ca0 [ 717.364312][ C0] ? tomoyo_socket_bind_permission+0x340/0x340 [ 717.364384][ C0] ? unix_stream_recvmsg+0x1b0/0x1b0 [ 717.364418][ C0] ? unix_stream_recvmsg+0x1b0/0x1b0 [ 717.364450][ C0] __sock_sendmsg+0xd5/0x180 [ 717.364472][ C0] __sys_sendto+0x225/0x310 [ 717.364496][ C0] ? __ia32_sys_getpeername+0xb0/0xb0 [ 717.364520][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 717.364554][ C0] ? rcu_is_watching+0x12/0xb0 [ 717.364581][ C0] ? folio_memcg_unlock+0x240/0x240 [ 717.364616][ C0] __x64_sys_sendto+0xe0/0x1b0 [ 717.364640][ C0] ? do_syscall_64+0x93/0x250 [ 717.364670][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 717.364692][ C0] do_syscall_64+0xd3/0x250 [ 717.364722][ C0] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 717.364748][ C0] RIP: 0033:0x7fcf5b5a49b5 [ 717.364762][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 717.364781][ C0] RSP: 002b:00007ffe4177a278 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 717.364800][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf5b5a49b5 [ 717.364814][ C0] RDX: 000000000000008b RSI: 000056171a1d58b0 RDI: 0000000000000003 [ 717.364826][ C0] RBP: 000056171a1cf2c0 R08: 0000000000000000 R09: 0000000000000000 [ 717.364839][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 717.364852][ C0] R13: 00007fcf5b732212 R14: 00007ffe4177a378 R15: 0000000000000000 [ 717.364869][ C0] [ 717.364876][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.578 msecs [ 717.365392][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 717.948179][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00026-g7ed2632ec7d7 #0 [ 717.957997][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 717.968062][ T29] Call Trace: [ 717.971351][ T29] [ 717.974292][ T29] dump_stack_lvl+0xd9/0x1b0 [ 717.978911][ T29] panic+0x6dc/0x790 [ 717.982838][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 717.987974][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 717.993379][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 717.998604][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 718.004009][ T29] ? watchdog+0xd3e/0x1210 [ 718.008446][ T29] ? watchdog+0xd31/0x1210 [ 718.012897][ T29] watchdog+0xd4f/0x1210 [ 718.017160][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 718.023169][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 718.028385][ T29] ? __kthread_parkme+0x14b/0x220 [ 718.033448][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 718.039455][ T29] kthread+0x2c6/0x3a0 [ 718.043549][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 718.048786][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 718.054457][ T29] ret_from_fork+0x45/0x80 [ 718.058900][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 718.064557][ T29] ret_from_fork_asm+0x11/0x20 [ 718.069350][ T29] [ 718.072724][ T29] Kernel Offset: disabled [ 718.077058][ T29] Rebooting in 86400 seconds..