last executing test programs: 2m54.496966874s ago: executing program 0 (id=241): r0 = syz_genetlink_get_family_id$devlink(&(0x7f0000000080), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_RATE_DEL(r1, &(0x7f0000000f00)={0x0, 0x0, &(0x7f0000000ec0)={&(0x7f0000000e40)={0x3c, r0, 0x6ae3e61d32b8160b, 0x0, 0x0, {0x4a}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0xa8, 0x36}, @handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x3c}}, 0x0) 2m49.313202128s ago: executing program 1 (id=242): mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0) r0 = io_uring_setup(0x1694, &(0x7f00000002c0)) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000002700)={0x119f, 0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000480)=""/264, 0xf9}, {&(0x7f00000015c0)=""/4096, 0x400400}, {&(0x7f0000002a00)=""/88, 0x8}], 0x0}, 0x20) 2m25.798331893s ago: executing program 0 (id=243): r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1, 0x7, 0x8, 0x9, 0x1}, 0x50) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x11, 0xd, &(0x7f0000000280)=ANY=[@ANYBLOB="18000000000000000000000000000000850000000700000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000640)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 2m22.905189846s ago: executing program 1 (id=244): r0 = io_uring_setup(0xfb9, &(0x7f00000002c0)={0x0, 0x174e, 0x40, 0xfffffffc, 0x46}) r1 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_PERSONALITY(r0, 0xa, 0x0, r1) 1m48.298087058s ago: executing program 0 (id=245): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) 1m48.297720428s ago: executing program 1 (id=246): r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r0, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) read$FUSE(r0, &(0x7f0000001900)={0x2020}, 0x2020) 1m18.000547811s ago: executing program 0 (id=247): r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = gettid() kcmp(r1, r0, 0x1, 0xffffffffffffffff, 0xffffffffffffffff) 1m7.608581071s ago: executing program 1 (id=248): socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000140)=[{0xb1, 0x0, 0x0, 0xffeff024}, {0x6, 0x0, 0x4}]}, 0x10) sendmmsg(r0, &(0x7f0000001c00), 0x400000000000159, 0x40840) 44.718311123s ago: executing program 0 (id=249): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x147c40, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0) preadv2(r0, &(0x7f0000000080)=[{&(0x7f0000001200)=""/4096, 0xfffffed1}], 0x1, 0x0, 0x0, 0x0) 32.089347481s ago: executing program 1 (id=250): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x42, 0x0) setresuid(0x0, 0xee00, 0xee00) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000080)=0x4000) 658.681486ms ago: executing program 0 (id=251): r0 = socket$inet(0x2, 0x2, 0x1) connect$inet(r0, &(0x7f0000000180)={0x2, 0x0, @remote}, 0x10) sendmmsg$inet(r0, &(0x7f0000000540)=[{{0x0, 0x2, &(0x7f0000000000)=[{&(0x7f00000000c0)="08001497733f5d3e", 0xfe79}], 0x5}}, {{0x0, 0x700, &(0x7f0000000440), 0x56}}], 0x2, 0x0) 0s ago: executing program 1 (id=252): r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000000)={'lo\x00', {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xa}}}) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000180)={'lo\x00', {0x2, 0x4e21, @empty=0x7f000000}}) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:58029' (ED25519) to the list of known hosts. syzkaller login: [ 554.988673][ T3190] cgroup: Unknown subsys name 'net' [ 555.999708][ T3190] cgroup: Unknown subsys name 'cpuset' [ 556.257697][ T3190] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 641.232968][ T3190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 846.133285][ T3203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 846.285483][ T3201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 846.406720][ T3203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 846.489053][ T3201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 865.288816][ T3203] hsr_slave_0: entered promiscuous mode [ 865.327935][ T3203] hsr_slave_1: entered promiscuous mode [ 865.535720][ T3201] hsr_slave_0: entered promiscuous mode [ 865.559194][ T3201] hsr_slave_1: entered promiscuous mode [ 865.578283][ T3201] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 865.583596][ T3201] Cannot create hsr debugfs directory [ 875.817320][ T3203] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 876.016022][ T3203] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 876.182203][ T3203] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 876.557137][ T3203] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 878.702691][ T3201] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 878.858315][ T3201] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 879.079827][ T3201] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 879.232918][ T3201] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 890.377047][ T3203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 895.005520][ T3201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 945.994310][ T3203] veth0_vlan: entered promiscuous mode [ 946.506849][ T3203] veth1_vlan: entered promiscuous mode [ 949.014813][ T3203] veth0_macvtap: entered promiscuous mode [ 949.579515][ T3203] veth1_macvtap: entered promiscuous mode [ 950.381600][ T3201] veth0_vlan: entered promiscuous mode [ 951.495773][ T3201] veth1_vlan: entered promiscuous mode [ 952.519057][ T3203] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 952.526183][ T3203] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 952.528306][ T3203] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 952.533413][ T3203] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 955.254236][ T3201] veth0_macvtap: entered promiscuous mode [ 955.768135][ T3201] veth1_macvtap: entered promiscuous mode [ 957.665138][ T3203] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 958.716719][ T3201] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 958.719477][ T3201] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 958.805824][ T3201] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 958.824943][ T3201] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 995.937425][ T3928] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 1005.859840][ T3937] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 1024.602583][ T874] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 1025.353437][ T874] usb 2-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 1025.706410][ T874] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1025.729300][ T874] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1025.737037][ T874] usb 2-1: Product: syz [ 1025.738888][ T874] usb 2-1: Manufacturer: syz [ 1025.743825][ T874] usb 2-1: SerialNumber: syz [ 1026.352612][ T874] hub 2-1:1.0: bad descriptor, ignoring hub [ 1026.357093][ T874] hub 2-1:1.0: probe with driver hub failed with error -5 [ 1029.912534][ T3901] usb 2-1: USB disconnect, device number 2 [ 1075.795491][ T4002] netlink: 8 bytes leftover after parsing attributes in process `syz.1.41'. [ 1075.799808][ T4002] netlink: 12 bytes leftover after parsing attributes in process `syz.1.41'. [ 1075.839214][ T4002] netlink: 'syz.1.41': attribute type 20 has an invalid length. [ 1080.718468][ T4010] netlink: 4 bytes leftover after parsing attributes in process `syz.1.43'. [ 1084.835859][ T4014] Zero length message leads to an empty skb [ 1113.692056][ T4036] capability: warning: `syz.1.56' uses deprecated v2 capabilities in a way that may be insecure [ 1153.466551][ T4079] netlink: 40 bytes leftover after parsing attributes in process `syz.0.70'. [ 1178.618865][ T4096] netlink: 24 bytes leftover after parsing attributes in process `syz.0.77'. [ 1188.757844][ T4106] netlink: 8 bytes leftover after parsing attributes in process `syz.1.82'. [ 1254.968742][ T4163] netlink: 'syz.1.108': attribute type 27 has an invalid length. [ 1285.925735][ T4190] syz.0.121 uses obsolete (PF_INET,SOCK_PACKET) [ 1300.313045][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1300.318347][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1302.596199][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1302.714020][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1307.405834][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1307.425104][ T4204] netlink: 60 bytes leftover after parsing attributes in process `syz.0.127'. [ 1312.939340][ T4214] ======================================================= [ 1312.939340][ T4214] WARNING: The mand mount option has been deprecated and [ 1312.939340][ T4214] and is ignored by this kernel. Remove the mand [ 1312.939340][ T4214] option from the mount to silence this warning. [ 1312.939340][ T4214] ======================================================= [ 1317.687373][ T4217] process 'syz.1.131' launched './file2' with NULL argv: empty string added [ 1332.485397][ T4230] mmap: syz.1.137 (4230) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 1341.056068][ T36] audit: type=1804 audit(1339.900:2): pid=4238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz.0.141" name="/newroot/72/cgroup.controllers" dev="tmpfs" ino=384 res=1 errno=0 [ 1341.094230][ T36] audit: type=1800 audit(1339.910:3): pid=4238 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.141" name="cgroup.controllers" dev="tmpfs" ino=384 res=0 errno=0 [ 1366.767177][ T3899] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 1367.077245][ T3899] usb 2-1: Using ep0 maxpacket: 32 [ 1367.369725][ T3899] usb 2-1: New USB device found, idVendor=13d8, idProduct=0001, bcdDevice= e.22 [ 1367.375829][ T3899] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1367.377767][ T3899] usb 2-1: Product: syz [ 1367.379318][ T3899] usb 2-1: Manufacturer: syz [ 1367.394000][ T3899] usb 2-1: SerialNumber: syz [ 1367.615629][ T3899] usb 2-1: config 0 descriptor?? [ 1367.928198][ T3899] usb 2-1: selecting invalid altsetting 3 [ 1367.930826][ T3899] comedi comedi5: could not set alternate setting 3 in high speed [ 1367.932564][ T3899] usbdux 2-1:0.0: driver 'usbdux' failed to auto-configure device. [ 1368.156225][ T3899] usbdux 2-1:0.0: probe with driver usbdux failed with error -22 [ 1369.368564][ T3901] usb 2-1: USB disconnect, device number 3 [ 1380.566826][ T4297] netlink: 'syz.0.163': attribute type 10 has an invalid length. [ 1380.779094][ T4297] netlink: 'syz.0.163': attribute type 10 has an invalid length. [ 1380.794458][ T4297] netlink: 2 bytes leftover after parsing attributes in process `syz.0.163'. [ 1380.797134][ T4297] nlmon0: entered promiscuous mode [ 1399.925950][ T4312] rdma_op ffffaf80193f79f0 conn xmit_rdma 0000000000000000 [ 1440.279443][ T4345] geneve2: entered promiscuous mode [ 1440.317785][ T4345] geneve2: entered allmulticast mode [ 2130.944603][ T38] INFO: task kworker/u9:2:37 blocked for more than 430 seconds. [ 2130.957105][ T38] Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 [ 2130.959052][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2130.960975][ T38] task:kworker/u9:2 state:D stack:0 pid:37 tgid:37 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 2131.274918][ T38] Workqueue: events_unbound bpf_map_free_deferred [ 2131.279174][ T38] Call Trace: [ 2131.363005][ T38] [] __schedule+0x1022/0x4094 [ 2131.366818][ T38] [] schedule+0xc4/0x35e [ 2131.369909][ T38] [] schedule_timeout+0x1c6/0x2ae [ 2131.588499][ T38] [] __wait_for_common+0x1d2/0x3e8 [ 2131.662593][ T38] [] wait_for_completion+0x1a/0x22 [ 2131.666268][ T38] [] rcu_barrier+0x2dc/0x6cc [ 2131.669535][ T38] [] dev_map_free+0x11c/0x6bc [ 2131.715742][ T38] [] bpf_map_free_deferred+0x226/0x47a [ 2131.719252][ T38] [] process_one_work+0x96a/0x1f32 [ 2131.869127][ T38] [] worker_thread+0x5ce/0xde8 [ 2132.157436][ T38] [] kthread+0x39c/0x7d4 [ 2132.159849][ T38] [] ret_from_fork_kernel+0x2a/0xbb2 [ 2132.236472][ T38] [] ret_from_fork_kernel_asm+0x16/0x18 [ 2132.364236][ T38] [ 2132.364236][ T38] Showing all locks held in the system: [ 2132.366882][ T38] 2 locks held by kworker/1:1/35: [ 2132.368919][ T38] 3 locks held by kworker/u9:2/37: [ 2132.451571][ T38] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 2132.459008][ T38] #1: ffff8f80002f7b70 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 [ 2132.687016][ T38] #2: ffffffff883ec640 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 2132.882207][ T38] 1 lock held by khungtaskd/38: [ 2132.885084][ T38] #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2a/0x1a0 [ 2133.032631][ T38] 2 locks held by kworker/0:2/1000: [ 2133.034877][ T38] 1 lock held by klogd/3008: [ 2133.037242][ T38] 2 locks held by getty/3154: [ 2133.039529][ T38] #0: ffffaf8018b010a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 2133.182893][ T38] #1: ffff8f800008e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0x12b6 [ 2133.189459][ T38] 2 locks held by syz-executor/3190: [ 2133.381671][ T38] 1 lock held by syz-executor/3201: [ 2133.385174][ T38] 2 locks held by kworker/1:3/3899: [ 2133.387931][ T38] 2 locks held by kworker/1:5/3956: [ 2133.439024][ T38] 2 locks held by kworker/1:0/4284: [ 2133.633070][ T38] 2 locks held by kworker/1:6/4395: [ 2133.635211][ T38] 2 locks held by kworker/1:7/4397: [ 2133.636836][ T38] 2 locks held by kworker/1:8/4423: [ 2133.638470][ T38] 2 locks held by kworker/1:11/4458: [ 2133.742852][ T38] 2 locks held by kworker/1:12/4475: [ 2133.745910][ T38] 3 locks held by kworker/u9:1/4509: [ 2133.748552][ T38] 2 locks held by kworker/1:14/4521: [ 2133.932336][ T38] 2 locks held by kworker/1:15/4523: [ 2133.934894][ T38] [ 2133.936276][ T38] ============================================= [ 2133.936276][ T38] [ 2133.938805][ T38] NMI backtrace for cpu 0 [ 2133.939779][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 2133.940456][ T38] Hardware name: riscv-virtio,qemu (DT) [ 2133.940734][ T38] Call Trace: [ 2133.940911][ T38] [] dump_backtrace+0x2e/0x3c [ 2133.941566][ T38] [] show_stack+0x30/0x3c [ 2133.942020][ T38] [] dump_stack_lvl+0x12e/0x1a6 [ 2133.942707][ T38] [] dump_stack+0x1c/0x24 [ 2133.943306][ T38] [] nmi_cpu_backtrace+0x3b0/0x3b2 [ 2133.943886][ T38] [] nmi_trigger_cpumask_backtrace+0x2b6/0x458 [ 2133.944473][ T38] [] arch_trigger_cpumask_backtrace+0x2c/0x3c [ 2133.945126][ T38] [] watchdog+0xcf2/0x11de [ 2133.945741][ T38] [] kthread+0x39c/0x7d4 [ 2133.946196][ T38] [] ret_from_fork_kernel+0x2a/0xbb2 [ 2133.946662][ T38] [] ret_from_fork_kernel_asm+0x16/0x18 [ 2133.993993][ T38] Sending NMI from CPU 0 to CPUs 1: [ 2133.998182][ C1] NMI backtrace for cpu 1 [ 2133.998629][ C1] CPU: 1 UID: 0 PID: 3899 Comm: kworker/1:3 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 2133.999130][ C1] Hardware name: riscv-virtio,qemu (DT) [ 2133.999355][ C1] Workqueue: wg-crypt-wg2 wg_packet_tx_worker [ 2134.000129][ C1] epc : nf_hook_slow+0x0/0x1ec [ 2134.000709][ C1] ra : ip_rcv+0x20e/0x44e [ 2134.001399][ C1] epc : ffffffff8553aa00 ra : ffffffff8575fda6 sp : ffff8f80000178e0 [ 2134.001764][ C1] gp : ffffffff89c83e20 tp : ffffaf801bb4b480 t0 : ffffaf8033439400 [ 2134.002140][ C1] t1 : 0000000000000001 t2 : 1ffff1f000002cac s0 : ffff8f80000179f0 [ 2134.002515][ C1] s1 : 0000000000000001 a0 : ffffaf80334393c0 a1 : ffff8f8000017930 [ 2134.002846][ C1] a2 : ffffaf802f4a9800 a3 : 0000000000000000 a4 : 0000000000000000 [ 2134.003158][ C1] a5 : ffffffff8575d820 a6 : 0000000000f00000 a7 : ffffffff8575fcb8 [ 2134.003478][ C1] s2 : ffff8f80000179a0 s3 : ffffaf801c1ec000 s4 : 1ffff1f000002f20 [ 2134.003829][ C1] s5 : ffffaf80334393c0 s6 : ffffaf8019aa1e00 s7 : ffffaf802f4a9800 [ 2134.004175][ C1] s8 : ffffaf806ed5e650 s9 : ffffffff86675628 s10: 0000000000000003 [ 2134.004510][ C1] s11: 0000000000000040 t3 : f38912d900000000 t4 : 0000000000001fff [ 2134.004831][ C1] t5 : 00000000000000c8 t6 : 0000000000000002 [ 2134.005107][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 2134.005538][ C1] [] nf_hook_slow+0x0/0x1ec [ 2134.006281][ C1] [] __netif_receive_skb_one_core+0x106/0x16e [ 2134.006917][ C1] [] __netif_receive_skb+0x2c/0x144 [ 2134.007449][ C1] [] process_backlog+0x4f6/0x1cb0 [ 2134.008043][ C1] [] __napi_poll.constprop.0+0xaa/0x4ba [ 2134.008648][ C1] [] net_rx_action+0xad4/0xefc [ 2134.009283][ C1] [] handle_softirqs+0x4b2/0x132e [ 2134.009829][ C1] [] __do_softirq+0x12/0x1a [ 2134.010593][ C1] [] ___do_softirq+0x18/0x20 [ 2134.011088][ C1] [] call_on_irq_stack+0x32/0x40 [ 2134.664205][ T38] Kernel panic - not syncing: hung_task: blocked tasks [ 2134.668153][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 2134.671171][ T38] Hardware name: riscv-virtio,qemu (DT) [ 2134.673335][ T38] Call Trace: [ 2134.674364][ T38] [] dump_backtrace+0x2e/0x3c [ 2134.675851][ T38] [] show_stack+0x30/0x3c [ 2134.677191][ T38] [] dump_stack_lvl+0x110/0x1a6 [ 2134.678747][ T38] [] dump_stack+0x1c/0x24 [ 2134.680319][ T38] [] panic+0x38c/0x86a [ 2134.681726][ T38] [] watchdog+0x78a/0x11de [ 2134.683331][ T38] [] kthread+0x39c/0x7d4 [ 2134.684723][ T38] [] ret_from_fork_kernel+0x2a/0xbb2 [ 2134.686232][ T38] [] ret_from_fork_kernel_asm+0x16/0x18 [ 2134.688252][ T38] SMP: stopping secondary CPUs [ 2134.692171][ T38] Rebooting in 86400 seconds.. VM DIAGNOSIS: 19:11:35 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff804eb5b4 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff80c51798 sepc ffffffff802fe6c6 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 901270000009cdc8 x0/zero 0000000000000000 x1/ra ffffffff800784f2 x2/sp ffff8f8000307490 x3/gp ffffffff89c83e20 x4/tp ffffaf8014e81a40 x5/t0 0000000000046600 x6/t1 fffff1ef00060ed0 x7/t2 3078303a7367616c x8/s0 ffff8f8000307510 x9/s1 ffff8f8000307630 x10/a0 0000000000000000 x11/a1 0000000000000000 x12/a2 0000000000000002 x13/a3 ffffffff800784e2 x14/a4 0000000000000000 x15/a5 ffffaf8014e82a40 x16/a6 0000000000000003 x17/a7 ffff8f8000307687 x18/s2 0000000000000000 x19/s3 0000000000000003 x20/s4 0000000000000000 x21/s5 dfffffff00000000 x22/s6 ffffffff86325f24 x23/s7 ffff8f8000307630 x24/s8 dfffffff00000000 x25/s9 0000000000007fff x26/s10 ffffffff8634d254 x27/s11 1ffff1f000060ef8 x28/t3 ffffffff90e54cd7 x29/t4 fffff1ef00060ed0 x30/t5 fffff1ef00060ed1 x31/t6 ffff8f80003073f8 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff804eba10 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff8008eba2 sepc ffffffff8510ffd4 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 902ac000000998b4 x0/zero 0000000000000000 x1/ra ffffffff8006eed2 x2/sp ffff8f8000016d30 x3/gp ffffffff89c83e20 x4/tp ffffaf8019a60000 x5/t0 ffff8f80000169d0 x6/t1 fffff1ef00002e0c x7/t2 fffffffff2f20000 x8/s0 ffff8f8000016d40 x9/s1 0000000000000001 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000f00000 x13/a3 ffffffff8006eec4 x14/a4 0000000000000000 x15/a5 ffffaf8019a60000 x16/a6 0000000000f00000 x17/a7 0000000000000003 x18/s2 0000000000000003 x19/s3 ffffffff86325156 x20/s4 0000000000000000 x21/s5 dfffffff00000000 x22/s6 ffffffff86325156 x23/s7 0000000000000001 x24/s8 dfffffff00000000 x25/s9 0000000000007fff x26/s10 ffffffff8634d254 x27/s11 ffffaf80378c2814 x28/t3 fe02c41f00000000 x29/t4 fffff1ef00002e0c x30/t5 fffff1ef00002e0d x31/t6 0000000000000002 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000