Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. [ 81.878581][ T919] cfg80211: failed to load regulatory.db 2023/07/18 23:54:15 parsed 1 programs [ 82.154248][ T26] kauditd_printk_skb: 82 callbacks suppressed [ 82.154265][ T26] audit: type=1400 audit(1689724455.732:175): avc: denied { getattr } for pid=5075 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.184811][ T26] audit: type=1400 audit(1689724455.732:176): avc: denied { read } for pid=5075 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.207446][ T26] audit: type=1400 audit(1689724455.732:177): avc: denied { open } for pid=5075 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.232682][ T26] audit: type=1400 audit(1689724455.772:178): avc: denied { mounton } for pid=5082 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 82.258491][ T26] audit: type=1400 audit(1689724455.772:179): avc: denied { mount } for pid=5082 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 2023/07/18 23:54:16 executed programs: 0 [ 82.427005][ T26] audit: type=1400 audit(1689724456.012:180): avc: denied { mounton } for pid=5086 comm="syz-executor.0" path="/syzcgroup/unified" dev="sda1" ino=1931 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 82.451165][ T26] audit: type=1400 audit(1689724456.022:181): avc: denied { mount } for pid=5086 comm="syz-executor.0" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 82.537656][ T5086] chnl_net:caif_netlink_parms(): no params data found [ 82.583319][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.591171][ T5086] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.600145][ T5086] bridge_slave_0: entered allmulticast mode [ 82.606977][ T5086] bridge_slave_0: entered promiscuous mode [ 82.616758][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.624250][ T5086] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.632353][ T5086] bridge_slave_1: entered allmulticast mode [ 82.639499][ T5086] bridge_slave_1: entered promiscuous mode [ 82.661656][ T5086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.673335][ T5086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.698001][ T5086] team0: Port device team_slave_0 added [ 82.705857][ T5086] team0: Port device team_slave_1 added [ 82.724781][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.732087][ T5086] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 82.759166][ T5086] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.773140][ T5086] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.780741][ T5086] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 82.807419][ T5086] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.834672][ T5086] hsr_slave_0: entered promiscuous mode [ 82.842127][ T5086] hsr_slave_1: entered promiscuous mode [ 82.939050][ T26] audit: type=1400 audit(1689724456.522:182): avc: denied { write } for pid=5086 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 82.947551][ T5086] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.961325][ T26] audit: type=1400 audit(1689724456.522:183): avc: denied { read } for pid=5086 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 82.992320][ T5086] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.001683][ T5086] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.011637][ T5086] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.037272][ T5086] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.045070][ T5086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.053548][ T5086] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.061045][ T5086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.110755][ T5086] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.125327][ T5077] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.134892][ T5077] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.151327][ T5086] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.163781][ T5092] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.171103][ T5092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.182420][ T919] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.189641][ T919] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.241956][ T5086] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.275098][ T26] audit: type=1400 audit(1689724456.852:184): avc: denied { sys_module } for pid=5086 comm="syz-executor.0" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 83.407788][ T5086] veth0_vlan: entered promiscuous mode [ 83.419060][ T5086] veth1_vlan: entered promiscuous mode [ 83.444014][ T5086] veth0_macvtap: entered promiscuous mode [ 83.453164][ T5086] veth1_macvtap: entered promiscuous mode [ 83.469912][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.482263][ T5086] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.493341][ T5086] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.503617][ T5086] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.512826][ T5086] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.523520][ T5086] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.674744][ T5102] nbd0: detected capacity change from 0 to 2176 [ 84.402169][ T4421] block nbd0: Receive control failed (result -104) [ 84.402900][ T5101] block nbd0: shutting down sockets [ 84.416768][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 84.426499][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 84.434428][ T5076] ldm_validate_partition_table(): Disk read failed. [ 84.448230][ T5076] Dev nbd0: unable to read RDB block 0 [ 84.453842][ T5076] nbd0: unable to read partition table [ 84.459736][ T5076] nbd0: partition table beyond EOD, truncated [ 84.590944][ T5104] nbd0: detected capacity change from 0 to 2176 [ 85.288846][ T4421] block nbd0: Receive control failed (result -104) [ 85.290361][ T5106] block nbd0: shutting down sockets [ 85.306489][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 85.315771][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 85.324032][ T5104] syz-executor.0: attempt to access beyond end of device [ 85.324032][ T5104] nbd0: rw=0, sector=0, nr_sectors = 8 limit=0 [ 85.338505][ T5104] Buffer I/O error on dev nbd0, logical block 0, async page read [ 85.347127][ T5104] ldm_validate_partition_table(): Disk read failed. [ 85.353740][ T5104] Dev nbd0: unable to read RDB block 0 [ 85.359322][ T5104] nbd0: unable to read partition table [ 85.365074][ T5104] nbd0: partition table beyond EOD, truncated [ 85.482670][ T5109] nbd0: detected capacity change from 0 to 2176 [ 86.205168][ T4421] block nbd0: Receive control failed (result -104) [ 86.207314][ T5108] block nbd0: shutting down sockets [ 86.218025][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.227320][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 86.235631][ T5105] ldm_validate_partition_table(): Disk read failed. [ 86.242833][ T5105] Dev nbd0: unable to read RDB block 0 [ 86.249586][ T5105] nbd0: unable to read partition table [ 86.255398][ T5105] nbd0: partition table beyond EOD, truncated [ 86.362784][ T5112] nbd0: detected capacity change from 0 to 2176 [ 87.092134][ T4421] block nbd0: Receive control failed (result -104) [ 87.092328][ T5111] block nbd0: shutting down sockets [ 87.126471][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 87.135913][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 87.143706][ T5105] ldm_validate_partition_table(): Disk read failed. [ 87.151449][ T5105] Dev nbd0: unable to read RDB block 0 [ 87.157668][ T5105] nbd0: unable to read partition table [ 87.163597][ T5105] nbd0: partition table beyond EOD, truncated [ 87.273632][ T5115] nbd0: detected capacity change from 0 to 2176 [ 87.996264][ T4421] block nbd0: Receive control failed (result -104) [ 87.997595][ T5114] block nbd0: shutting down sockets [ 88.009178][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.018526][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 88.026594][ T5105] ldm_validate_partition_table(): Disk read failed. [ 88.033314][ T5105] Dev nbd0: unable to read RDB block 0 [ 88.040536][ T5105] nbd0: unable to read partition table 2023/07/18 23:54:21 executed programs: 5 [ 88.046602][ T5105] nbd0: partition table beyond EOD, truncated [ 88.125990][ T5117] block nbd0: Device being setup by another task [ 88.132620][ T5117] nbd0: detected capacity change from 0 to 2176 [ 88.140905][ T1010] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.150368][ T1010] Buffer I/O error on dev nbd0, logical block 0, async page read [ 88.160199][ T52] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.169863][ T52] Buffer I/O error on dev nbd0, logical block 0, async page read [ 88.179133][ T1010] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.190001][ T1010] Buffer I/O error on dev nbd0, logical block 0, async page read [ 88.198759][ T52] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.208314][ T52] Buffer I/O error on dev nbd0, logical block 0, async page read [ 88.216738][ T1010] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 88.227479][ T5105] ldm_validate_partition_table(): Disk read failed. [ 88.234408][ T5105] Dev nbd0: unable to read RDB block 0 [ 88.240331][ T5105] nbd0: unable to read partition table [ 88.248417][ T5117] ldm_validate_partition_table(): Disk read failed. [ 88.255843][ T5117] Dev nbd0: unable to read RDB block 0 [ 88.262796][ T5117] nbd0: unable to read partition table [ 88.269726][ T5105] ldm_validate_partition_table(): Disk read failed. [ 88.276869][ T5105] Dev nbd0: unable to read RDB block 0 [ 88.282837][ T5105] nbd0: unable to read partition table [ 88.393756][ T5121] nbd0: detected capacity change from 0 to 2176 [ 89.116424][ T4421] block nbd0: Receive control failed (result -104) [ 89.117332][ T5120] block nbd0: shutting down sockets [ 89.129179][ T5105] ldm_validate_partition_table(): Disk read failed. [ 89.136712][ T5105] Dev nbd0: unable to read RDB block 0 [ 89.142556][ T5105] nbd0: unable to read partition table [ 89.148882][ T5105] nbd0: partition table beyond EOD, truncated [ 89.264918][ T5124] nbd0: detected capacity change from 0 to 2176 [ 89.992211][ T4421] block nbd0: Receive control failed (result -104) [ 89.992369][ T5123] block nbd0: shutting down sockets [ 90.005212][ C0] blk_print_req_error: 49 callbacks suppressed [ 90.005223][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 90.021050][ C0] buffer_io_error: 50 callbacks suppressed [ 90.021060][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 90.035095][ T5105] ldm_validate_partition_table(): Disk read failed. [ 90.041810][ T5105] Dev nbd0: unable to read RDB block 0 [ 90.047451][ T5105] nbd0: unable to read partition table [ 90.053111][ T5105] nbd0: partition table beyond EOD, truncated [ 90.172651][ T5127] nbd0: detected capacity change from 0 to 2176 [ 90.885057][ T4421] block nbd0: Receive control failed (result -104) [ 90.885227][ T5126] block nbd0: shutting down sockets [ 90.897871][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 90.907006][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 90.915025][ T5105] ldm_validate_partition_table(): Disk read failed. [ 90.922165][ T5105] Dev nbd0: unable to read RDB block 0 [ 90.928250][ T5105] nbd0: unable to read partition table [ 90.934015][ T5105] nbd0: partition table beyond EOD, truncated [ 91.069874][ T5129] nbd0: detected capacity change from 0 to 2176 [ 91.776244][ T4421] block nbd0: Receive control failed (result -104) [ 91.784424][ T5129] ldm_validate_partition_table(): Disk read failed. [ 91.791327][ T5129] Dev nbd0: unable to read RDB block 0 [ 91.797378][ T5129] nbd0: unable to read partition table [ 91.803488][ T5129] nbd0: partition table beyond EOD, truncated [ 121.557291][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 30 seconds [ 151.646426][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 60 seconds [ 152.999486][ T4466] udevd[4466]: worker [5105] /devices/virtual/block/nbd0 is taking a long time [ 181.716035][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 90 seconds [ 211.806042][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 120 seconds [ 241.876066][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 150 seconds [ 271.956239][ T1010] block nbd0: Possible stuck request ffff8880201b2000: control (read@0,4096B). Runtime 180 seconds [ 273.328078][ T4466] udevd[4466]: worker [5105] /devices/virtual/block/nbd0 timeout; kill it [ 273.337090][ T4466] udevd[4466]: seq 7995 '/devices/virtual/block/nbd0' killed [ 286.676800][ T27] INFO: task udevd:5105 blocked for more than 143 seconds. [ 286.684978][ T27] Not tainted 6.5.0-rc2-syzkaller-gccff6d117d8d #0 [ 286.693520][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.703606][ T27] task:udevd state:D stack:26352 pid:5105 ppid:4466 flags:0x00000006 [ 286.713205][ T27] Call Trace: [ 286.716552][ T27] [ 286.719594][ T27] __schedule+0xee1/0x59f0 [ 286.724268][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.730818][ T27] ? io_schedule_timeout+0x150/0x150 [ 286.736402][ T27] ? find_held_lock+0x2d/0x110 [ 286.741474][ T27] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.747142][ T27] schedule+0xe7/0x1b0 [ 286.751252][ T27] io_schedule+0xbe/0x130 [ 286.755676][ T27] folio_wait_bit_common+0x3d0/0x9a0 [ 286.761169][ T27] ? filemap_cachestat+0x970/0x970 [ 286.766441][ T27] ? folio_unlock+0xd0/0xd0 [ 286.770990][ T27] ? find_get_entries+0xbd0/0xbd0 [ 286.776090][ T27] ? preempt_count_sub+0x150/0x150 [ 286.781433][ T27] __filemap_get_folio+0x788/0x990 [ 286.787029][ T27] truncate_inode_pages_range+0x3a0/0xfb0 [ 286.793009][ T27] ? truncate_inode_partial_folio+0x760/0x760 [ 286.799746][ T27] ? __brelse+0xa0/0xa0 [ 286.804257][ T27] ? generic_remap_file_range_prep+0x50/0x50 [ 286.811106][ T27] blkdev_flush_mapping+0x156/0x320 [ 286.817004][ T27] blkdev_put_whole+0xb9/0xe0 [ 286.822041][ T27] blkdev_put+0x40f/0x8e0 [ 286.826833][ T27] ? preempt_count_sub+0x150/0x150 [ 286.833051][ T27] ? blkdev_fsync+0xd0/0xd0 [ 286.838049][ T27] blkdev_release+0x82/0xa0 [ 286.843015][ T27] __fput+0x3fd/0xac0 [ 286.847348][ T27] task_work_run+0x14d/0x240 [ 286.852125][ T27] ? task_work_cancel+0x30/0x30 [ 286.857817][ T27] exit_to_user_mode_prepare+0x210/0x240 [ 286.863652][ T27] syscall_exit_to_user_mode+0x1d/0x50 [ 286.869915][ T27] do_syscall_64+0x44/0xb0 [ 286.874576][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.881022][ T27] RIP: 0033:0x7f611dd170a8 [ 286.885458][ T27] RSP: 002b:00007ffdfe2dc6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 286.894176][ T27] RAX: 0000000000000000 RBX: 00007f611e16cae0 RCX: 00007f611dd170a8 [ 286.902411][ T27] RDX: 0000000003938700 RSI: 000000000aba9500 RDI: 0000000000000008 [ 286.911571][ T27] RBP: 000055a4a4a8fcc0 R08: 0000000000000001 R09: 3d7fd2b162ddbd0a [ 286.919832][ T27] R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000002 [ 286.928037][ T27] R13: 000055a4a4a99ce0 R14: 0000000000000008 R15: 000055a4a4a652c0 [ 286.936677][ T27] [ 286.939748][ T27] INFO: task syz-executor.0:5132 blocked for more than 143 seconds. [ 286.948252][ T27] Not tainted 6.5.0-rc2-syzkaller-gccff6d117d8d #0 [ 286.955280][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.964439][ T27] task:syz-executor.0 state:D stack:28000 pid:5132 ppid:5086 flags:0x00000006 [ 286.974784][ T27] Call Trace: [ 286.978131][ T27] [ 286.981249][ T27] __schedule+0xee1/0x59f0 [ 286.986231][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.992353][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 286.998439][ T27] ? __lock_acquire+0x182f/0x5de0 [ 287.003497][ T27] ? io_schedule_timeout+0x150/0x150 [ 287.009403][ T27] ? __mutex_lock+0x962/0x1340 [ 287.014624][ T27] schedule+0xe7/0x1b0 [ 287.018980][ T27] schedule_preempt_disabled+0x13/0x20 [ 287.025069][ T27] __mutex_lock+0x967/0x1340 [ 287.029989][ T27] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 287.035819][ T27] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 287.042034][ T27] ? _atomic_dec_and_lock+0xa2/0x120 [ 287.047679][ T27] ? iput.part.0+0x78/0x7a0 [ 287.052332][ T27] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 287.058315][ T27] blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 287.064241][ T27] ? devcgroup_check_permission+0x1a2/0x490 [ 287.070560][ T27] blkdev_get_by_dev+0x75/0x80 [ 287.075710][ T27] blkdev_open+0x112/0x380 [ 287.080428][ T27] do_dentry_open+0x88b/0x1780 [ 287.085441][ T27] ? blkdev_fallocate+0x3e0/0x3e0 [ 287.090829][ T27] path_openat+0x19af/0x29c0 [ 287.095767][ T27] ? path_lookupat+0x770/0x770 [ 287.100658][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 287.106727][ T27] do_filp_open+0x1de/0x430 [ 287.111264][ T27] ? may_open_dev+0xf0/0xf0 [ 287.115877][ T27] ? _raw_spin_unlock+0x28/0x40 [ 287.120949][ T27] ? alloc_fd+0x2da/0x6c0 [ 287.126051][ T27] do_sys_openat2+0x176/0x1e0 [ 287.130934][ T27] ? build_open_flags+0x690/0x690 [ 287.136036][ T27] ? do_user_addr_fault+0x384/0xfc0 [ 287.141551][ T27] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.146988][ T27] __x64_sys_openat+0x175/0x210 [ 287.152236][ T27] ? __ia32_sys_open+0x1e0/0x1e0 [ 287.157506][ T27] ? syscall_enter_from_user_mode+0x26/0x80 [ 287.163625][ T27] do_syscall_64+0x38/0xb0 [ 287.168391][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.174721][ T27] RIP: 0033:0x453580 [ 287.178913][ T27] RSP: 002b:00007ff7da8a8bb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 287.187575][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000453580 [ 287.196109][ T27] RDX: 0000000000000000 RSI: 00007ff7da8a8cd0 RDI: 00000000ffffff9c [ 287.204134][ T27] RBP: 00007ff7da8a8cd0 R08: 0000000000000000 R09: 002364626e2f7665 [ 287.212550][ T27] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004e3e00 [ 287.221351][ T27] R13: 00007ff7da8a9674 R14: 000000000054bf00 R15: 00000000005141c0 [ 287.229502][ T27] [ 287.232632][ T27] [ 287.232632][ T27] Showing all locks held in the system: [ 287.240590][ T27] 1 lock held by rcu_tasks_kthre/12: [ 287.246315][ T27] #0: ffffffff8c9a25f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 [ 287.257445][ T27] 1 lock held by rcu_tasks_trace/13: [ 287.262914][ T27] #0: ffffffff8c9a22f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 [ 287.274077][ T27] 1 lock held by khungtaskd/27: [ 287.279008][ T27] #0: ffffffff8c9a3200 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 287.289973][ T27] 2 locks held by getty/4764: [ 287.294866][ T27] #0: ffff88814b990098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.304886][ T27] #1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 [ 287.315459][ T27] 1 lock held by udevd/5105: [ 287.320128][ T27] #0: ffff888140f1a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xb0/0x8e0 [ 287.330172][ T27] 1 lock held by syz-executor.0/5132: [ 287.335919][ T27] #0: ffff888140f1a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 287.347090][ T27] [ 287.349423][ T27] ============================================= [ 287.349423][ T27] [ 287.359279][ T27] NMI backtrace for cpu 0 [ 287.363816][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-gccff6d117d8d #0 [ 287.373366][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 287.383690][ T27] Call Trace: [ 287.387164][ T27] [ 287.390094][ T27] dump_stack_lvl+0xd9/0x1b0 [ 287.394690][ T27] nmi_cpu_backtrace+0x277/0x380 [ 287.399842][ T27] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 287.405310][ T27] nmi_trigger_cpumask_backtrace+0x2ac/0x310 [ 287.411323][ T27] watchdog+0xf29/0x11b0 [ 287.415685][ T27] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.422286][ T27] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.428357][ T27] kthread+0x33a/0x430 [ 287.432416][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 287.438037][ T27] ret_from_fork+0x2c/0x70 [ 287.442472][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 287.448181][ T27] ret_from_fork_asm+0x11/0x20 [ 287.452973][ T27] RIP: 0000:0x0 [ 287.456520][ T27] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 287.463873][ T27] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 287.472561][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 287.480891][ T27] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.489078][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 287.497251][ T27] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.505482][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 287.513624][ T27] [ 287.517406][ T27] Sending NMI from CPU 0 to CPUs 1: [ 287.522869][ C1] NMI backtrace for cpu 1 [ 287.522880][ C1] CPU: 1 PID: 4448 Comm: syslogd Not tainted 6.5.0-rc2-syzkaller-gccff6d117d8d #0 [ 287.522900][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 287.522909][ C1] RIP: 0010:kasan_check_range+0x14b/0x190 [ 287.522934][ C1] Code: 83 c0 01 49 89 d3 48 39 d0 74 11 80 38 00 74 ef 4d 8d 1c 2c 48 85 c0 48 89 c2 75 97 48 89 da 4c 89 d8 4c 29 da e9 30 ff ff ff <5b> b8 01 00 00 00 5d 41 5c c3 b8 01 00 00 00 c3 48 29 c3 48 89 da [ 287.522951][ C1] RSP: 0018:ffffc9000343f7a8 EFLAGS: 00000046 [ 287.522966][ C1] RAX: ffffed100f997086 RBX: ffffed100f997086 RCX: ffffffff8158ff2a [ 287.522979][ C1] RDX: ffffed100f997086 RSI: 0000000000000008 RDI: ffff88807ccb8428 [ 287.522990][ C1] RBP: ffffed100f997085 R08: 0000000000000000 R09: ffffed100f997085 [ 287.523002][ C1] R10: ffff88807ccb842f R11: 0000000000000000 R12: ffff88807ccb8000 [ 287.523014][ C1] R13: 0000000000000010 R14: 0000000000000001 R15: ffff88807ccb8428 [ 287.523025][ C1] FS: 00007fc2203be380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 287.523043][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.523056][ C1] CR2: 00005568bad26600 CR3: 000000007da86000 CR4: 00000000003506e0 [ 287.523067][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.523077][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.523088][ C1] Call Trace: [ 287.523093][ C1] [ 287.523098][ C1] ? nmi_cpu_backtrace+0x1d4/0x380 [ 287.523125][ C1] ? kasan_check_range+0x14b/0x190 [ 287.523146][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.523171][ C1] ? nmi_handle+0x145/0x400 [ 287.523191][ C1] ? kasan_check_range+0x14b/0x190 [ 287.523207][ C1] ? default_do_nmi+0x69/0x160 [ 287.523225][ C1] ? exc_nmi+0x171/0x1e0 [ 287.523242][ C1] ? end_repeat_nmi+0x16/0x31 [ 287.523261][ C1] ? ttwu_queue_wakelist+0x8a/0x3f0 [ 287.523279][ C1] ? kasan_check_range+0x14b/0x190 [ 287.523295][ C1] ? kasan_check_range+0x14b/0x190 [ 287.523311][ C1] ? kasan_check_range+0x14b/0x190 [ 287.523327][ C1] [ 287.523331][ C1] [ 287.523336][ C1] ttwu_queue_wakelist+0x8a/0x3f0 [ 287.523354][ C1] try_to_wake_up+0x6f2/0x15a0 [ 287.523379][ C1] ? sched_ttwu_pending+0x560/0x560 [ 287.523403][ C1] ? lock_sync+0x190/0x190 [ 287.523423][ C1] autoremove_wake_function+0x16/0x150 [ 287.523445][ C1] __wake_up_common+0x140/0x5a0 [ 287.523467][ C1] __wake_up_common_lock+0xd6/0x140 [ 287.523488][ C1] ? __wake_up_common+0x5a0/0x5a0 [ 287.523508][ C1] ? proto_seq_start+0x50/0x50 [ 287.523635][ C1] ? avc_has_perm+0x11b/0x1c0 [ 287.523660][ C1] __unix_dgram_recvmsg+0x32e/0xe50 [ 287.523723][ C1] ? unix_stream_connect+0x1700/0x1700 [ 287.523744][ C1] ? sock_has_perm+0x211/0x2b0 [ 287.523766][ C1] unix_dgram_recvmsg+0xc3/0xf0 [ 287.523786][ C1] ? __unix_dgram_recvmsg+0xe50/0xe50 [ 287.523807][ C1] sock_recvmsg+0xe2/0x170 [ 287.523826][ C1] sock_read_iter+0x2c3/0x3c0 [ 287.523845][ C1] ? sock_recvmsg+0x170/0x170 [ 287.523865][ C1] ? security_file_permission+0xdc/0x100 [ 287.523883][ C1] vfs_read+0x7ef/0x930 [ 287.523899][ C1] ? kernel_read+0x1b0/0x1b0 [ 287.523925][ C1] ? rcu_is_watching+0x12/0xb0 [ 287.523951][ C1] ? __fget_light+0x1fc/0x260 [ 287.523976][ C1] ksys_read+0x1f0/0x250 [ 287.523991][ C1] ? vfs_write+0xe40/0xe40 [ 287.524006][ C1] ? syscall_enter_from_user_mode+0x26/0x80 [ 287.524028][ C1] do_syscall_64+0x38/0xb0 [ 287.524044][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.524071][ C1] RIP: 0033:0x7fc220512b6a [ 287.524084][ C1] Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 [ 287.524101][ C1] RSP: 002b:00007ffcafa138c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 287.524117][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc220512b6a [ 287.524128][ C1] RDX: 00000000000000ff RSI: 000055f3cbd3d300 RDI: 0000000000000000 [ 287.524144][ C1] RBP: 000055f3cbd3d2c0 R08: 0000000000000001 R09: 0000000000000000 [ 287.524155][ C1] R10: 00007fc2206b13a3 R11: 0000000000000246 R12: 000055f3cbd3d332 [ 287.524166][ C1] R13: 000055f3cbd3d300 R14: 0000000000000000 R15: 00007fc2206efa80 [ 287.524180][ C1] [ 287.963691][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 287.970823][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-gccff6d117d8d #0 [ 287.980280][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 287.990865][ T27] Call Trace: [ 287.994586][ T27] [ 287.997948][ T27] dump_stack_lvl+0xd9/0x1b0 [ 288.002818][ T27] panic+0x6a4/0x750 [ 288.006722][ T27] ? panic_smp_self_stop+0xa0/0xa0 [ 288.012099][ T27] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 288.017392][ T27] ? preempt_schedule_thunk+0x1a/0x30 [ 288.022967][ T27] ? watchdog+0xce1/0x11b0 [ 288.027571][ T27] watchdog+0xcf2/0x11b0 [ 288.032094][ T27] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.038344][ T27] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.044461][ T27] kthread+0x33a/0x430 [ 288.048552][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 288.054278][ T27] ret_from_fork+0x2c/0x70 [ 288.058726][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 288.064467][ T27] ret_from_fork_asm+0x11/0x20 [ 288.069422][ T27] RIP: 0000:0x0 [ 288.072883][ T27] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 288.080327][ T27] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 288.088741][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 288.097236][ T27] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 288.105729][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 288.114918][ T27] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 288.123250][ T27] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 288.131755][ T27] [ 288.135107][ T27] Kernel Offset: disabled [ 288.139603][ T27] Rebooting in 86400 seconds..