last executing test programs: 19.167769461s ago: executing program 1 (id=157): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="440000001000010800"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000001c002b8008000800", @ANYRES32, @ANYBLOB="080003001900002028000100", @ANYRES32, @ANYBLOB="08001b"], 0x44}}, 0x0) 18.574500616s ago: executing program 0 (id=158): r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendmmsg$inet_sctp(r0, &(0x7f0000002f80)=[{&(0x7f0000000000)=@in={0x2, 0x0, @dev}, 0x10, &(0x7f0000000700)=[{&(0x7f00000000c0)="c3", 0x1}], 0x1, &(0x7f0000000800)=[@prinfo={0x18, 0x84, 0x5, {0x10}}, @dstaddrv4={0x18, 0x84, 0x7, @local}], 0x30}], 0x1, 0x0) 16.02118021s ago: executing program 1 (id=159): r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000003c0)={'wg2\x00', &(0x7f0000000cc0)=@ethtool_per_queue_op={0x1b, 0x4}}) 14.228459627s ago: executing program 0 (id=160): r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='clear_refs\x00') write$FUSE_NOTIFY_RETRIEVE(r0, &(0x7f0000000280)={0x30}, 0x30) 12.803400453s ago: executing program 1 (id=161): r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000180)='ns/mnt\x00') ioctl$TUNGETVNETHDRSZ(r0, 0xb701, 0x0) 11.190585875s ago: executing program 0 (id=162): r0 = syz_open_dev$usbfs(&(0x7f0000003f00), 0x1ff, 0xa401) ioctl$USBDEVFS_DISCONNECT_CLAIM(r0, 0x8108551b, 0x0) 9.245963361s ago: executing program 1 (id=163): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_GET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="4400000001010102000000000000000002000000240002800c000280050001003a00000014000180080001007f00000108000200000000000c0019800800020089"], 0x44}}, 0x0) 7.704851699s ago: executing program 0 (id=164): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x14, 0x10, 0x107, 0x0, 0x0, {0x3, 0x7c}}, 0x14}}, 0x0) 4.616956397s ago: executing program 1 (id=165): r0 = socket$inet6(0xa, 0x805, 0x0) getsockopt$bt_hci(r0, 0x84, 0x81, &(0x7f00000016c0)=""/4063, &(0x7f0000001380)=0xfdf) 3.404520102s ago: executing program 0 (id=166): r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000580)=@newsa={0x154, 0x10, 0x1, 0x0, 0x0, {{@in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @in=@broadcast}, {@in=@loopback, 0x0, 0x32}, @in6=@loopback, {}, {}, {}, 0x0, 0x0, 0x2, 0x1}, [@algo_crypt={0x48, 0x2, {{'cbc-serpent-avx2\x00'}}}, @replay_esn_val={0x1c}]}, 0x154}}, 0x0) 1.763386709s ago: executing program 1 (id=167): r0 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCGSID(r0, 0x5429, 0x0) 0s ago: executing program 0 (id=168): r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r0, &(0x7f0000000180)={0x0, 0xb00, &(0x7f0000000140)=[{&(0x7f0000000200)=ANY=[@ANYBLOB="140100002b00010a000000000000001807"], 0x114}], 0x1}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:58529' (ED25519) to the list of known hosts. syzkaller login: [ 366.099489][ T3172] cgroup: Unknown subsys name 'net' [ 367.020269][ T3172] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 426.018738][ T3172] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 484.436607][ T3188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 484.512685][ T3188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 487.432147][ T3186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 487.533188][ T3186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 497.897586][ T3188] hsr_slave_0: entered promiscuous mode [ 497.942056][ T3188] hsr_slave_1: entered promiscuous mode [ 500.551571][ T3186] hsr_slave_0: entered promiscuous mode [ 500.622776][ T3186] hsr_slave_1: entered promiscuous mode [ 500.666233][ T3186] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 500.669153][ T3186] Cannot create hsr debugfs directory [ 506.783897][ T3188] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 507.002452][ T3188] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 507.244387][ T3188] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 507.390935][ T3188] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 509.059648][ T3186] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 509.194707][ T3186] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 509.373407][ T3186] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 509.538931][ T3186] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 522.692961][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 524.664349][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 563.931166][ T3188] veth0_vlan: entered promiscuous mode [ 564.641796][ T3188] veth1_vlan: entered promiscuous mode [ 566.817496][ T3188] veth0_macvtap: entered promiscuous mode [ 567.251209][ T3188] veth1_macvtap: entered promiscuous mode [ 569.211697][ T3188] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.228478][ T3188] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.230766][ T3188] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.232902][ T3188] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.429787][ T3186] veth0_vlan: entered promiscuous mode [ 570.479136][ T3186] veth1_vlan: entered promiscuous mode [ 572.861714][ T3186] veth0_macvtap: entered promiscuous mode [ 573.200992][ T3186] veth1_macvtap: entered promiscuous mode [ 575.491330][ T3186] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.492949][ T3186] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.494429][ T3186] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.515865][ T3186] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 581.709912][ T3882] misc userio: No port type given on /dev/userio [ 590.518083][ T3890] nvme_fabrics: missing parameter 'transport=%s' [ 590.520532][ T3890] nvme_fabrics: missing parameter 'nqn=%s' [ 596.834561][ T3901] netlink: 8 bytes leftover after parsing attributes in process `syz.1.12'. [ 601.199335][ T36] audit: type=1400 audit(600.130:2): apparmor="DENIED" operation="change_profile" class="file" info="label not found" error=-22 profile="unconfined" name="&" pid=3906 comm="syz.0.15" [ 624.404430][ T3942] xt_time: invalid argument - start or stop time greater than 23:59:59 [ 625.836880][ T3944] netlink: 'syz.0.32': attribute type 11 has an invalid length. [ 625.839758][ T3944] netlink: 140 bytes leftover after parsing attributes in process `syz.0.32'. [ 630.034227][ T3181] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 630.062691][ C0] hrtimer: interrupt took 6256500 ns [ 630.397039][ T3181] usb 2-1: Using ep0 maxpacket: 16 [ 630.941797][ T3181] usb 2-1: New USB device found, idVendor=0483, idProduct=1234, bcdDevice=ff.76 [ 630.944573][ T3181] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 630.967275][ T3181] usb 2-1: Product: syz [ 630.968924][ T3181] usb 2-1: Manufacturer: syz [ 630.969866][ T3181] usb 2-1: SerialNumber: syz [ 631.160739][ T3181] usb 2-1: config 0 descriptor?? [ 633.048469][ T3181] usb_8dev 2-1:0.0 can0: sending command message failed [ 633.071906][ T3181] usb_8dev 2-1:0.0 can0: can't get firmware version [ 633.687272][ T3181] usb_8dev 2-1:0.0: probe with driver usb_8dev failed with error -22 [ 633.979302][ T3181] usb 2-1: USB disconnect, device number 2 [ 641.741634][ T3978] netlink: 132 bytes leftover after parsing attributes in process `syz.0.40'. [ 680.830878][ T4031] netlink: 'syz.1.65': attribute type 32 has an invalid length. [ 680.841067][ T4031] netlink: 8 bytes leftover after parsing attributes in process `syz.1.65'. [ 680.860594][ T4031] (unnamed net_device) (uninitialized): Setting coupled_control to off (0) [ 689.471157][ T4072] netlink: 'syz.1.69': attribute type 7 has an invalid length. [ 699.013165][ T4086] xt_TPROXY: Can be used only with -p tcp or -p udp [ 710.994589][ T4102] EXT4-fs: Value of option "test_dummy_encryption" is unrecognized [ 719.709561][ T4114] xt_CONNSECMARK: invalid mode: 0 [ 723.683870][ T4120] netlink: 4 bytes leftover after parsing attributes in process `syz.1.92'. [ 727.529863][ T4128] netlink: 'syz.1.96': attribute type 27 has an invalid length. [ 730.909232][ T4132] A link change request failed with some changes committed already. Interface vlan0 may have been left with an inconsistent configuration, please check. [ 746.911835][ T4154] netlink: 24 bytes leftover after parsing attributes in process `syz.1.109'. [ 756.544891][ T4166] netlink: 16 bytes leftover after parsing attributes in process `syz.1.115'. [ 769.514863][ T4184] binder: 4183:4184 ioctl c018620c 20000080 returned -22 [ 782.534400][ T4208] netlink: 'syz.1.135': attribute type 3 has an invalid length. [ 782.539472][ T4208] netlink: 8 bytes leftover after parsing attributes in process `syz.1.135'. [ 811.308882][ T4252] netlink: 8 bytes leftover after parsing attributes in process `syz.1.157'. [ 811.360312][ T4252] A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. [ 830.476349][ C0] Insufficient stack space to handle exception! [ 830.480792][ C0] [ 830.480986][ C0] ====================================================== [ 830.481141][ C0] WARNING: possible circular locking dependency detected [ 830.481900][ C0] 6.11.0-rc2-syzkaller-g1ff95eb2bebd #0 Not tainted [ 830.482437][ C0] ------------------------------------------------------ [ 830.482608][ C0] syz.0.168/4274 is trying to acquire lock: [ 830.482971][ C0] ffffffff87cd2780 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x52e/0xcf4 [ 830.486366][ C0] [ 830.486366][ C0] but task is already holding lock: [ 830.486510][ C0] ff6000006ec85f58 (&rq->__lock){-.-.}-{2:2}, at: sched_tick+0xd2/0x2e8 [ 830.487414][ C0] [ 830.487414][ C0] which lock already depends on the new lock. [ 830.487414][ C0] [ 830.487554][ C0] [ 830.487554][ C0] the existing dependency chain (in reverse order) is: [ 830.487747][ C0] [ 830.487747][ C0] -> #4 (&rq->__lock){-.-.}-{2:2}: [ 830.488460][ C0] lock_acquire.part.0+0x2c6/0x820 [ 830.489070][ C0] lock_acquire+0x74/0x98 [ 830.489600][ C0] _raw_spin_lock_nested+0x36/0x4e [ 830.490105][ C0] raw_spin_rq_lock_nested+0x22/0x34 [ 830.490604][ C0] task_fork_fair+0xca/0x198 [ 830.491075][ C0] sched_cgroup_fork+0x3de/0x550 [ 830.491606][ C0] copy_process+0x60e0/0x8db6 [ 830.492016][ C0] kernel_clone+0x11e/0x946 [ 830.492409][ C0] user_mode_thread+0xea/0x11a [ 830.492813][ C0] rest_init+0x34/0x2d6 [ 830.493204][ C0] console_on_rootfs+0x0/0x96 [ 830.493861][ C0] [ 830.493861][ C0] -> #3 (&p->pi_lock){-.-.}-{2:2}: [ 830.494463][ C0] lock_acquire.part.0+0x2c6/0x820 [ 830.495060][ C0] lock_acquire+0x74/0x98 [ 830.495589][ C0] _raw_spin_lock_irqsave+0x3e/0x62 [ 830.496086][ C0] try_to_wake_up+0xa0/0x19c6 [ 830.496436][ C0] default_wake_function+0x28/0x4c [ 830.496830][ C0] woken_wake_function+0x38/0x64 [ 830.497342][ C0] __wake_up_common+0x106/0x184 [ 830.497846][ C0] __wake_up+0x32/0x58 [ 830.498372][ C0] tty_wakeup+0x60/0xfc [ 830.498746][ C0] tty_port_default_wakeup+0x2c/0x44 [ 830.499280][ C0] tty_port_tty_wakeup+0x52/0x72 [ 830.499789][ C0] uart_write_wakeup+0x40/0x5e [ 830.500266][ C0] serial8250_tx_chars+0x5f8/0x7a6 [ 830.500681][ C0] serial8250_handle_irq+0x526/0x69c [ 830.501118][ C0] serial8250_default_handle_irq+0x8c/0x1c6 [ 830.501579][ C0] serial8250_interrupt+0xda/0x1ee [ 830.502152][ C0] __handle_irq_event_percpu+0x250/0x902 [ 830.502534][ C0] handle_irq_event+0xb4/0x1ea [ 830.502927][ C0] handle_fasteoi_irq+0x31c/0xcce [ 830.503380][ C0] generic_handle_domain_irq+0x84/0xb2 [ 830.503943][ C0] plic_handle_irq+0x17a/0x3c8 [ 830.504353][ C0] generic_handle_domain_irq+0x84/0xb2 [ 830.504934][ C0] riscv_intc_irq+0x4a/0xcc [ 830.505266][ C0] handle_riscv_irq+0x2e/0x4c [ 830.505782][ C0] call_on_irq_stack+0x32/0x40 [ 830.506360][ C0] [ 830.506360][ C0] -> #2 (&tty->write_wait){-.-.}-{2:2}: [ 830.507025][ C0] lock_acquire.part.0+0x2c6/0x820 [ 830.507589][ C0] lock_acquire+0x74/0x98 [ 830.508120][ C0] _raw_spin_lock_irqsave+0x3e/0x62 [ 830.508602][ C0] __wake_up+0x22/0x58 [ 830.509113][ C0] tty_wakeup+0x60/0xfc [ 830.509455][ C0] tty_port_default_wakeup+0x2c/0x44 [ 830.510012][ C0] tty_port_tty_wakeup+0x52/0x72 [ 830.510523][ C0] uart_write_wakeup+0x40/0x5e [ 830.511030][ C0] serial8250_tx_chars+0x5f8/0x7a6 [ 830.511451][ C0] serial8250_handle_irq+0x526/0x69c [ 830.511894][ C0] serial8250_default_handle_irq+0x8c/0x1c6 [ 830.512350][ C0] serial8250_interrupt+0xda/0x1ee [ 830.512916][ C0] __handle_irq_event_percpu+0x250/0x902 [ 830.513296][ C0] handle_irq_event+0xb4/0x1ea [ 830.513654][ C0] handle_fasteoi_irq+0x31c/0xcce [ 830.514114][ C0] generic_handle_domain_irq+0x84/0xb2 [ 830.514700][ C0] plic_handle_irq+0x17a/0x3c8 [ 830.515106][ C0] generic_handle_domain_irq+0x84/0xb2 [ 830.515665][ C0] riscv_intc_irq+0x4a/0xcc [ 830.515998][ C0] handle_riscv_irq+0x2e/0x4c [ 830.516493][ C0] call_on_irq_stack+0x32/0x40 [ 830.517018][ C0] [ 830.517018][ C0] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 830.517598][ C0] lock_acquire.part.0+0x2c6/0x820 [ 830.518156][ C0] lock_acquire+0x74/0x98 [ 830.518685][ C0] _raw_spin_lock_irqsave+0x3e/0x62 [ 830.519168][ C0] serial8250_console_write+0x56a/0xe48 [ 830.519606][ C0] univ8250_console_write+0x70/0x9c [ 830.520165][ C0] console_flush_all+0x572/0xcf4 [ 830.520639][ C0] console_unlock+0xde/0x296 [ 830.521113][ C0] vprintk_emit+0x120/0x5fa [ 830.521602][ C0] vprintk_default+0x26/0x32 [ 830.522082][ C0] vprintk+0x226/0x296 [ 830.522547][ C0] _printk+0x98/0xc0 [ 830.522937][ C0] register_console+0x872/0xeaa [ 830.523420][ C0] serial_core_register_port+0x1dd2/0x1dfa [ 830.523960][ C0] serial_ctrl_register_port+0x20/0x2c [ 830.524500][ C0] uart_add_one_port+0x20/0x2c [ 830.525418][ C0] serial8250_register_8250_port+0x11fa/0x1ebc [ 830.526039][ C0] of_platform_serial_probe+0x694/0xa86 [ 830.526519][ C0] platform_probe+0xfa/0x1e8 [ 830.527090][ C0] really_probe+0x232/0x9be [ 830.527515][ C0] __driver_probe_device+0x1d4/0x3f2 [ 830.527968][ C0] driver_probe_device+0x60/0x1ce [ 830.528412][ C0] __driver_attach+0x250/0x4ee [ 830.528863][ C0] bus_for_each_dev+0x124/0x1ba [ 830.529245][ C0] driver_attach+0x3e/0x52 [ 830.529654][ C0] bus_add_driver+0x29e/0x5e6 [ 830.530076][ C0] driver_register+0x18e/0x3ee [ 830.530527][ C0] __platform_driver_register+0x5e/0x7e [ 830.531108][ C0] of_platform_serial_driver_init+0x22/0x2a [ 830.531629][ C0] do_one_initcall+0x19a/0x98a [ 830.532004][ C0] kernel_init_freeable+0x6ec/0x792 [ 830.532550][ C0] kernel_init+0x28/0x224 [ 830.532883][ C0] ret_from_fork+0xe/0x1c [ 830.533376][ C0] [ 830.533376][ C0] -> #0 (console_owner){-.-.}-{0:0}: [ 830.533986][ C0] check_noncircular+0x2ba/0x354 [ 830.534534][ C0] __lock_acquire+0x2cb0/0x82d8 [ 830.535106][ C0] lock_acquire.part.0+0x2c6/0x820 [ 830.535652][ C0] lock_acquire+0x74/0x98 [ 830.536181][ C0] console_flush_all+0x554/0xcf4 [ 830.536701][ C0] console_unlock+0xde/0x296 [ 830.537186][ C0] vprintk_emit+0x120/0x5fa [ 830.537670][ C0] vprintk_default+0x26/0x32 [ 830.538166][ C0] vprintk+0x226/0x296 [ 830.538680][ C0] _printk+0x98/0xc0 [ 830.539047][ C0] handle_bad_stack+0x9a/0x10c [ 830.539479][ C0] lock_acquire+0x74/0x98 [ 830.540068][ C0] [ 830.540068][ C0] other info that might help us debug this: [ 830.540068][ C0] [ 830.540370][ C0] Chain exists of: [ 830.540370][ C0] console_owner --> &p->pi_lock --> &rq->__lock [ 830.540370][ C0] [ 830.541145][ C0] Possible unsafe locking scenario: [ 830.541145][ C0] [ 830.541270][ C0] CPU0 CPU1 [ 830.541388][ C0] ---- ---- [ 830.541518][ C0] lock(&rq->__lock); [ 830.541817][ C0] lock(&p->pi_lock); [ 830.542150][ C0] lock(&rq->__lock); [ 830.542509][ C0] lock(console_owner); [ 830.542875][ C0] [ 830.542875][ C0] *** DEADLOCK *** [ 830.542875][ C0] [ 830.543066][ C0] 12 locks held by syz.0.168/4274: [ 830.543356][ C0] #0: ff600000204c46d8 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: walk_component+0x322/0x508 [ 830.544638][ C0] #1: ffffffff87dc59c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_list_internal+0x358/0xc26 [ 830.545880][ C0] #2: ffffffff87dc59c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x216/0x57c [ 830.547028][ C0] #3: ff6000001ac69a58 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0x3242/0x47bc [ 830.548215][ C0] #4: ffffffff87dc59c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x52/0x1b20 [ 830.549347][ C0] #5: ffffffff87dc59c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x458/0x2d1e [ 830.550514][ C0] #6: ffffffff87dc5a20 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x266/0x499c [ 830.551696][ C0] #7: ff600000184b9258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x1422/0x499c [ 830.552873][ C0] #8: ffffffff87dc59c0 (rcu_read_lock){....}-{1:2}, at: skb_mac_gso_segment+0x188/0x65c [ 830.554035][ C0] #9: ff6000006ec85f58 (&rq->__lock){-.-.}-{2:2}, at: sched_tick+0xd2/0x2e8 [ 830.554989][ C0] #10: ffffffff87cd2380 (console_lock){+.+.}-{0:0}, at: vprintk_default+0x26/0x32 [ 830.556069][ C0] #11: ffffffff87cd24d0 (console_srcu){....}-{0:0}, at: console_flush_all+0x112/0xcf4 [ 830.557227][ C0] [ 830.557227][ C0] stack backtrace: [ 830.557862][ C0] CPU: 0 UID: 0 PID: 4274 Comm: syz.0.168 Not tainted 6.11.0-rc2-syzkaller-g1ff95eb2bebd #0 [ 830.558445][ C0] Hardware name: riscv-virtio,qemu (DT) [ 830.559058][ C0] Call Trace: [ 830.559283][ C0] [] dump_backtrace+0x2e/0x3c [ 830.559850][ C0] [] show_stack+0x34/0x40 [ 830.560246][ C0] [] dump_stack_lvl+0x122/0x196 [ 830.560832][ C0] [] dump_stack+0x1c/0x24 [ 830.561372][ C0] [] print_circular_bug+0x6ba/0x740 [ 830.561981][ C0] [] check_noncircular+0x2ba/0x354 [ 830.562570][ C0] [] __lock_acquire+0x2cb0/0x82d8 [ 830.563203][ C0] [] lock_acquire.part.0+0x2c6/0x820 [ 830.563807][ C0] [] lock_acquire+0x74/0x98 [ 830.564407][ C0] [] console_flush_all+0x554/0xcf4 [ 830.564967][ C0] [] console_unlock+0xde/0x296 [ 830.565505][ C0] [] vprintk_emit+0x120/0x5fa [ 830.566052][ C0] [] vprintk_default+0x26/0x32 [ 830.566595][ C0] [] vprintk+0x226/0x296 [ 830.567179][ C0] [] _printk+0x98/0xc0 [ 830.567608][ C0] [] handle_bad_stack+0x9a/0x10c [ 830.568149][ C0] [] lock_acquire+0x74/0x98 [ 830.674431][ C0] Task stack: [0xff20000009650000..0xff20000009654000] [ 830.675546][ C0] Overflow stack: [0xff6000006ec70070..0xff6000006ec71070] [ 830.676321][ C0] CPU: 0 UID: 0 PID: 4274 Comm: syz.0.168 Not tainted 6.11.0-rc2-syzkaller-g1ff95eb2bebd #0 [ 830.677281][ C0] Hardware name: riscv-virtio,qemu (DT) [ 830.677941][ C0] epc : lock_acquire.part.0+0x2e/0x820 [ 830.679061][ C0] ra : lock_acquire+0x74/0x98 [ 830.680533][ C0] epc : ffffffff802392e8 ra : ffffffff80239b4e sp : ff1fffffffffffa0 [ 830.681999][ C0] gp : ffffffff8954c0a0 tp : 0000000000000000 t0 : ff20000000000520 [ 830.683275][ C0] t1 : ff600000113d0cb0 t2 : ff600000113d0b20 s0 : ff20000000000100 [ 830.684298][ C0] s1 : ff20000000000090 a0 : ffffffff87dc59c0 a1 : 0000000000000000 [ 830.685122][ C0] a2 : 0000000000000000 a3 : 0000000000000002 a4 : 0000000000000000 [ 830.685983][ C0] a5 : 0000000000000000 a6 : ffffffff804ac992 a7 : 0000000000000000 [ 830.686832][ C0] s2 : 0000000000000000 s3 : 0000000000000000 s4 : 0000000000000002 [ 830.687640][ C0] s5 : 0000000000000000 s6 : 0000000000000000 s7 : ffffffff804ac992 [ 830.688548][ C0] s8 : ffffffff89584780 s9 : ffffffff85f5b790 s10: 0000000000003fff [ 830.689416][ C0] s11: ff20000000000080 t3 : ffffffff86257484 t4 : 0000000041b58ab3 [ 830.690258][ C0] t5 : ffffffff89655e40 t6 : 1fec00000227a19a [ 830.691532][ C0] status: 0000000200000100 badaddr: ff1fffffffffffe0 cause: 000000000000000f [ 830.693615][ C0] Kernel panic - not syncing: Kernel stack overflow [ 830.695461][ C0] CPU: 0 UID: 0 PID: 4274 Comm: syz.0.168 Not tainted 6.11.0-rc2-syzkaller-g1ff95eb2bebd #0 [ 830.696421][ C0] Hardware name: riscv-virtio,qemu (DT) [ 830.697045][ C0] Call Trace: [ 830.697528][ C0] [] dump_backtrace+0x2e/0x3c [ 830.698443][ C0] [] show_stack+0x34/0x40 [ 830.699318][ C0] [] dump_stack_lvl+0x108/0x196 [ 830.700276][ C0] [] dump_stack+0x1c/0x24 [ 830.701462][ C0] [] panic+0x388/0x806 [ 830.702212][ C0] [] handle_bad_stack+0xe4/0x10c [ 830.703517][ C0] [] lock_acquire+0x74/0x98 [ 830.705383][ C0] SMP: stopping secondary CPUs [ 830.707592][ C0] Rebooting in 86400 seconds.. VM DIAGNOSIS: 19:51:11 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff81b09cac mhartid 0000000000000000 mstatus 0000000a00000180 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85f5b790 vstvec 0000000000000000 mepc ffffffff80413818 sepc ffffffff802392e8 vsepc 0000000000000000 mcause 8000000000000003 scause 000000000000000f vscause 0000000000000000 mtval 0000000000000000 stval ff1fffffffffffe0 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a025e000000913aa x0/zero 0000000000000000 x1/ra ffffffff81b09c8c x2/sp ff6000006ec70900 x3/gp ffffffff8954c0a0 x4/tp ff600000113d0000 x5/t0 36312e302e7a7973 x6/t1 fffffffef211167c x7/t2 3836312e302e7a79 x8/s0 ff6000006ec70930 x9/s1 ffffffff9088b3e0 x10/a0 ff200000000a5001 x11/a1 000000000000001f x12/a2 0000000000000000 x13/a3 ffffffff81b09c8c x14/a4 1ffffffff2111685 x15/a5 0000000000000000 x16/a6 0000000000ff0100 x17/a7 ffffffff9088b3e3 x18/s2 0000000000000001 x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 1ffffffff2111686 x22/s6 ff6000006ec70b80 x23/s7 ffffffff9088b430 x24/s8 0000000000000001 x25/s9 dfffffff00000000 x26/s10 ffffffff883c1f80 x27/s11 ff6000006ec70be0 x28/t3 ffffffff906d4bb7 x29/t4 fffffffef211167c x30/t5 fffffffef211167d x31/t6 ffffffff906d4bb7 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 ffffffff80240562 mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85f5b790 vstvec 0000000000000000 mepc ffffffff8001f472 sepc ffffffff802400c8 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a011f000000946ea x0/zero 0000000000000000 x1/ra ffffffff8031c794 x2/sp ff2000000000b710 x3/gp ffffffff8954c0a0 x4/tp ff6000002c940000 x5/t0 ff6000006ec965a0 x6/t1 fffffffef20fa71e x7/t2 ff6000002c940b20 x8/s0 ff2000000000b850 x9/s1 0000000000000000 x10/a0 000000c1246fe100 x11/a1 0000000000000000 x12/a2 0000000000000000 x13/a3 ffffffff80351b42 x14/a4 0000000000000000 x15/a5 ff6000002c940000 x16/a6 0000000000ff0100 x17/a7 ff6000006ec96543 x18/s2 000000c1246fe100 x19/s3 0000000000000000 x20/s4 0000000000000003 x21/s5 0000000000000001 x22/s6 ffebffff0dd92cb4 x23/s7 0000000000000004 x24/s8 ff6000006ec96540 x25/s9 ff6000006ec96594 x26/s10 7fffffffffffffff x27/s11 1fec00000dd92ce5 x28/t3 1fec00000dd92d35 x29/t4 ffebffff0dd92ca8 x30/t5 ffebffff0dd92ca9 x31/t6 ff6000006ec969a8 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