program: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=@newlink={0x28, 0x10, 0x801, 0x4, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) r3 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001800)={0x6, 0x3, &(0x7f00000006c0)=@framed, &(0x7f0000000300)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', r2, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000040)={r3, r2, 0x25, 0x8, @void}, 0x10) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x4000, &(0x7f0000000080)={&(0x7f0000000240)=@newlink={0x34, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FD={0x8}]}, @IFLA_GROUP={0x8}]}, 0x34}}, 0x0) [ 74.162332][ T5303] Bluetooth: hci0: command tx timeout [ 74.250454][ T5319] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.254101][ T5319] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.296866][ T5319] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.306187][ T5319] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.341456][ T5319] netdevsim netdevsim0 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.346131][ T5319] netdevsim netdevsim0 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.349417][ T5319] netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.354130][ T5319] netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.378848][ T5320] ------------[ cut here ]------------ [ 74.381146][ T5320] WARNING: CPU: 0 PID: 5320 at ./include/net/netdev_lock.h:54 dev_xdp_install+0x5e6/0x760 [ 74.386003][ T5320] Modules linked in: [ 74.387672][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) [ 74.392102][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.396088][ T5320] RIP: 0010:dev_xdp_install+0x5e6/0x760 [ 74.398225][ T5320] Code: 06 48 3b 84 24 a0 00 00 00 0f 85 8e 01 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 fb dc e2 f7 90 <0f> 0b 90 e9 2d fc ff ff e8 ed dc e2 f7 c6 05 4c b5 66 06 01 90 48 [ 74.405670][ T5320] RSP: 0018:ffffc9000d38f980 EFLAGS: 00010287 [ 74.408246][ T5320] RAX: ffffffff89e09a05 RBX: 0000000000000000 RCX: 0000000000100000 [ 74.411534][ T5320] RDX: ffffc9000ea33000 RSI: 0000000000000147 RDI: 0000000000000148 [ 74.414694][ T5320] RBP: ffffc9000d38fa80 R08: ffffffff89e095e9 R09: 0000000000000000 [ 74.417938][ T5320] R10: ffffc9000d38f9e0 R11: fffff52001a71f40 R12: ffffc9000197e000 [ 74.420627][ T5320] R13: 1ffff92001a71f38 R14: dffffc0000000000 R15: ffff88804d60c000 [ 74.423722][ T5320] FS: 00007f27aab896c0(0000) GS:ffff88808c60f000(0000) knlGS:0000000000000000 [ 74.427203][ T5320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.429835][ T5320] CR2: 00007f27aab67fd8 CR3: 000000004303e000 CR4: 0000000000352ef0 [ 74.433195][ T5320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.436287][ T5320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.439440][ T5320] Call Trace: [ 74.440848][ T5320] [ 74.442139][ T5320] ? __warn+0x165/0x4d0 [ 74.443781][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.445636][ T5320] ? report_bug+0x2b3/0x500 [ 74.447221][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.449059][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.450921][ T5320] ? dev_xdp_install+0x5e8/0x760 [ 74.452825][ T5320] ? handle_bug+0x89/0x170 [ 74.454480][ T5320] ? exc_invalid_op+0x1a/0x50 [ 74.456180][ T5320] ? asm_exc_invalid_op+0x1a/0x20 [ 74.458066][ T5320] ? dev_xdp_install+0x1c9/0x760 [ 74.459937][ T5320] ? dev_xdp_install+0x5e5/0x760 [ 74.462017][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.463980][ T5320] ? __pfx_nsim_bpf+0x10/0x10 [ 74.465924][ T5320] ? __pfx_dev_xdp_install+0x10/0x10 [ 74.468134][ T5320] ? bpf_offload_dev_match+0x37/0x50 [ 74.470274][ T5320] ? __pfx_nsim_bpf+0x10/0x10 [ 74.472326][ T5320] dev_xdp_attach+0xc5d/0xfe0 [ 74.474582][ T5320] bpf_xdp_link_attach+0x3a2/0x760 [ 74.476703][ T5320] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 74.478947][ T5320] ? __fget_files+0x39d/0x420 [ 74.480899][ T5320] ? __fget_files+0x2a/0x420 [ 74.482881][ T5320] ? attach_type_to_prog_type+0x316/0x460 [ 74.485251][ T5320] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 74.487834][ T5320] link_create+0x440/0x870 [ 74.489728][ T5320] __sys_bpf+0x559/0x850 [ 74.491460][ T5320] ? __pfx___sys_bpf+0x10/0x10 [ 74.493566][ T5320] ? __rseq_handle_notify_resume+0x3c8/0x15d0 [ 74.496034][ T5320] __x64_sys_bpf+0x7c/0x90 [ 74.497816][ T5320] do_syscall_64+0xf3/0x230 [ 74.499678][ T5320] ? clear_bhb_loop+0x45/0xa0 [ 74.501683][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.504172][ T5320] RIP: 0033:0x7f27a9d8d169 [ 74.505987][ T5320] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 74.513686][ T5320] RSP: 002b:00007f27aab89038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.516980][ T5320] RAX: ffffffffffffffda RBX: 00007f27a9fa6080 RCX: 00007f27a9d8d169 [ 74.520221][ T5320] RDX: 0000000000000010 RSI: 0000200000000040 RDI: 000000000000001c [ 74.523590][ T5320] RBP: 00007f27a9e0e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.526581][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.529986][ T5320] R13: 0000000000000000 R14: 00007f27a9fa6080 R15: 00007ffdc63ceab8 [ 74.533336][ T5320] [ 74.534663][ T5320] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.537623][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) [ 74.542021][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.546267][ T5320] Call Trace: [ 74.547718][ T5320] [ 74.549092][ T5320] dump_stack_lvl+0x241/0x360 [ 74.551343][ T5320] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.553659][ T5320] ? __pfx__printk+0x10/0x10 [ 74.555526][ T5320] ? vscnprintf+0x5d/0x90 [ 74.557495][ T5320] panic+0x349/0x880 [ 74.559404][ T5320] ? __warn+0x174/0x4d0 [ 74.561497][ T5320] ? __pfx_panic+0x10/0x10 [ 74.563615][ T5320] __warn+0x344/0x4d0 [ 74.565548][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.567737][ T5320] report_bug+0x2b3/0x500 [ 74.569538][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.571626][ T5320] ? dev_xdp_install+0x5e6/0x760 [ 74.573709][ T5320] ? dev_xdp_install+0x5e8/0x760 [ 74.575751][ T5320] handle_bug+0x89/0x170 [ 74.577490][ T5320] exc_invalid_op+0x1a/0x50 [ 74.579381][ T5320] asm_exc_invalid_op+0x1a/0x20 [ 74.581313][ T5320] RIP: 0010:dev_xdp_install+0x5e6/0x760 [ 74.583622][ T5320] Code: 06 48 3b 84 24 a0 00 00 00 0f 85 8e 01 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 fb dc e2 f7 90 <0f> 0b 90 e9 2d fc ff ff e8 ed dc e2 f7 c6 05 4c b5 66 06 01 90 48 [ 74.591152][ T5320] RSP: 0018:ffffc9000d38f980 EFLAGS: 00010287 [ 74.593520][ T5320] RAX: ffffffff89e09a05 RBX: 0000000000000000 RCX: 0000000000100000 [ 74.596646][ T5320] RDX: ffffc9000ea33000 RSI: 0000000000000147 RDI: 0000000000000148 [ 74.599756][ T5320] RBP: ffffc9000d38fa80 R08: ffffffff89e095e9 R09: 0000000000000000 [ 74.602892][ T5320] R10: ffffc9000d38f9e0 R11: fffff52001a71f40 R12: ffffc9000197e000 [ 74.606011][ T5320] R13: 1ffff92001a71f38 R14: dffffc0000000000 R15: ffff88804d60c000 [ 74.609042][ T5320] ? dev_xdp_install+0x1c9/0x760 [ 74.611064][ T5320] ? dev_xdp_install+0x5e5/0x760 [ 74.613019][ T5320] ? __pfx_nsim_bpf+0x10/0x10 [ 74.614925][ T5320] ? __pfx_dev_xdp_install+0x10/0x10 [ 74.616939][ T5320] ? bpf_offload_dev_match+0x37/0x50 [ 74.619029][ T5320] ? __pfx_nsim_bpf+0x10/0x10 [ 74.620916][ T5320] dev_xdp_attach+0xc5d/0xfe0 [ 74.622888][ T5320] bpf_xdp_link_attach+0x3a2/0x760 [ 74.624884][ T5320] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 74.627099][ T5320] ? __fget_files+0x39d/0x420 [ 74.628992][ T5320] ? __fget_files+0x2a/0x420 [ 74.630822][ T5320] ? attach_type_to_prog_type+0x316/0x460 [ 74.633132][ T5320] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 74.636024][ T5320] link_create+0x440/0x870 [ 74.637870][ T5320] __sys_bpf+0x559/0x850 [ 74.639566][ T5320] ? __pfx___sys_bpf+0x10/0x10 [ 74.641502][ T5320] ? __rseq_handle_notify_resume+0x3c8/0x15d0 [ 74.643907][ T5320] __x64_sys_bpf+0x7c/0x90 [ 74.645769][ T5320] do_syscall_64+0xf3/0x230 [ 74.647591][ T5320] ? clear_bhb_loop+0x45/0xa0 [ 74.649507][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.651663][ T5320] RIP: 0033:0x7f27a9d8d169 [ 74.653514][ T5320] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 74.661255][ T5320] RSP: 002b:00007f27aab89038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.664548][ T5320] RAX: ffffffffffffffda RBX: 00007f27a9fa6080 RCX: 00007f27a9d8d169 [ 74.667601][ T5320] RDX: 0000000000000010 RSI: 0000200000000040 RDI: 000000000000001c [ 74.670644][ T5320] RBP: 00007f27a9e0e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 74.673693][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.676799][ T5320] R13: 0000000000000000 R14: 00007f27a9fa6080 R15: 00007ffdc63ceab8 [ 74.680039][ T5320] [ 74.681537][ T5320] Kernel Offset: disabled [ 74.683200][ T5320] Rebooting in 86400 seconds..