program: r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000300)={0x6, 0x3, &(0x7f0000000140)=@framed, &(0x7f00000001c0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = socket$phonet_pipe(0x23, 0x5, 0x2) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'netdevsim0\x00', 0x0}) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f00000000c0)={r0, r2, 0x25, 0x0, @void}, 0x10) [ 71.877358][ T4670] Bluetooth: hci0: command tx timeout [ 71.966235][ T5324] ------------[ cut here ]------------ [ 71.968707][ T5324] WARNING: CPU: 0 PID: 5324 at ./include/net/netdev_lock.h:54 dev_xdp_install+0x5e6/0x760 [ 71.973107][ T5324] Modules linked in: [ 71.974779][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) [ 71.979739][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 71.984861][ T5324] RIP: 0010:dev_xdp_install+0x5e6/0x760 [ 71.987584][ T5324] 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 [ 71.995573][ T5324] RSP: 0018:ffffc9000d4df980 EFLAGS: 00010283 [ 71.998398][ T5324] RAX: ffffffff89e09a05 RBX: 0000000000000000 RCX: 0000000000100000 [ 72.001590][ T5324] RDX: ffffc9000e902000 RSI: 0000000000000151 RDI: 0000000000000152 [ 72.005004][ T5324] RBP: ffffc9000d4dfa80 R08: ffffffff89e095e9 R09: 0000000000000000 [ 72.008488][ T5324] R10: ffffc9000d4df9e0 R11: fffff52001a9bf40 R12: ffffc900019d3000 [ 72.011678][ T5324] R13: 1ffff92001a9bf38 R14: dffffc0000000000 R15: ffff888052f6c000 [ 72.015163][ T5324] FS: 00007f1a4f9116c0(0000) GS:ffff88808c60f000(0000) knlGS:0000000000000000 [ 72.018930][ T5324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.021242][ T5324] CR2: 00007f1a4ed94ce0 CR3: 000000003f5d4000 CR4: 0000000000352ef0 [ 72.024014][ T5324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.026750][ T5324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.029559][ T5324] Call Trace: [ 72.030747][ T5324] [ 72.031811][ T5324] ? __warn+0x165/0x4d0 [ 72.033328][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.035216][ T5324] ? report_bug+0x2b3/0x500 [ 72.037117][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.039144][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.041128][ T5324] ? dev_xdp_install+0x5e8/0x760 [ 72.043226][ T5324] ? handle_bug+0x89/0x170 [ 72.044985][ T5324] ? exc_invalid_op+0x1a/0x50 [ 72.046620][ T5324] ? asm_exc_invalid_op+0x1a/0x20 [ 72.048586][ T5324] ? dev_xdp_install+0x1c9/0x760 [ 72.050421][ T5324] ? dev_xdp_install+0x5e5/0x760 [ 72.052217][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.054091][ T5324] ? __pfx_nsim_bpf+0x10/0x10 [ 72.056058][ T5324] ? __pfx_dev_xdp_install+0x10/0x10 [ 72.058350][ T5324] ? __pfx_nsim_bpf+0x10/0x10 [ 72.060330][ T5324] dev_xdp_attach+0xc5d/0xfe0 [ 72.062246][ T5324] bpf_xdp_link_attach+0x3a2/0x760 [ 72.064326][ T5324] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 72.066575][ T5324] ? attach_type_to_prog_type+0x316/0x460 [ 72.068997][ T5324] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 72.071495][ T5324] link_create+0x440/0x870 [ 72.073309][ T5324] __sys_bpf+0x559/0x850 [ 72.075059][ T5324] ? __pfx___sys_bpf+0x10/0x10 [ 72.077020][ T5324] ? __rseq_handle_notify_resume+0x3c8/0x15d0 [ 72.079171][ T5324] __x64_sys_bpf+0x7c/0x90 [ 72.080751][ T5324] do_syscall_64+0xf3/0x230 [ 72.082309][ T5324] ? clear_bhb_loop+0x45/0xa0 [ 72.084193][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.086207][ T5324] RIP: 0033:0x7f1a4eb8d169 [ 72.087968][ T5324] 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 [ 72.095189][ T5324] RSP: 002b:00007f1a4f911038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 72.098538][ T5324] RAX: ffffffffffffffda RBX: 00007f1a4eda5fa0 RCX: 00007f1a4eb8d169 [ 72.101671][ T5324] RDX: 0000000000000010 RSI: 00002000000000c0 RDI: 000000000000001c [ 72.104878][ T5324] RBP: 00007f1a4ec0e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.108196][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.111439][ T5324] R13: 0000000000000000 R14: 00007f1a4eda5fa0 R15: 00007ffcf9a55558 [ 72.114597][ T5324] [ 72.115912][ T5324] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.118898][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) [ 72.123424][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 72.127738][ T5324] Call Trace: [ 72.129194][ T5324] [ 72.130431][ T5324] dump_stack_lvl+0x241/0x360 [ 72.132434][ T5324] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.134472][ T5324] ? __pfx__printk+0x10/0x10 [ 72.136349][ T5324] ? vscnprintf+0x5d/0x90 [ 72.138126][ T5324] panic+0x349/0x880 [ 72.139768][ T5324] ? __warn+0x174/0x4d0 [ 72.141486][ T5324] ? __pfx_panic+0x10/0x10 [ 72.143419][ T5324] __warn+0x344/0x4d0 [ 72.145386][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.147574][ T5324] report_bug+0x2b3/0x500 [ 72.149297][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.151275][ T5324] ? dev_xdp_install+0x5e6/0x760 [ 72.153339][ T5324] ? dev_xdp_install+0x5e8/0x760 [ 72.155357][ T5324] handle_bug+0x89/0x170 [ 72.157030][ T5324] exc_invalid_op+0x1a/0x50 [ 72.158679][ T5324] asm_exc_invalid_op+0x1a/0x20 [ 72.160501][ T5324] RIP: 0010:dev_xdp_install+0x5e6/0x760 [ 72.162696][ T5324] 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 [ 72.170264][ T5324] RSP: 0018:ffffc9000d4df980 EFLAGS: 00010283 [ 72.172776][ T5324] RAX: ffffffff89e09a05 RBX: 0000000000000000 RCX: 0000000000100000 [ 72.176010][ T5324] RDX: ffffc9000e902000 RSI: 0000000000000151 RDI: 0000000000000152 [ 72.179278][ T5324] RBP: ffffc9000d4dfa80 R08: ffffffff89e095e9 R09: 0000000000000000 [ 72.182528][ T5324] R10: ffffc9000d4df9e0 R11: fffff52001a9bf40 R12: ffffc900019d3000 [ 72.185765][ T5324] R13: 1ffff92001a9bf38 R14: dffffc0000000000 R15: ffff888052f6c000 [ 72.188985][ T5324] ? dev_xdp_install+0x1c9/0x760 [ 72.191067][ T5324] ? dev_xdp_install+0x5e5/0x760 [ 72.193276][ T5324] ? __pfx_nsim_bpf+0x10/0x10 [ 72.195213][ T5324] ? __pfx_dev_xdp_install+0x10/0x10 [ 72.197238][ T5324] ? __pfx_nsim_bpf+0x10/0x10 [ 72.199217][ T5324] dev_xdp_attach+0xc5d/0xfe0 [ 72.201113][ T5324] bpf_xdp_link_attach+0x3a2/0x760 [ 72.203397][ T5324] ? __pfx_bpf_xdp_link_attach+0x10/0x10 [ 72.205634][ T5324] ? attach_type_to_prog_type+0x316/0x460 [ 72.207674][ T5324] ? bpf_prog_attach_check_attach_type+0x2cb/0x4f0 [ 72.209974][ T5324] link_create+0x440/0x870 [ 72.211638][ T5324] __sys_bpf+0x559/0x850 [ 72.213243][ T5324] ? __pfx___sys_bpf+0x10/0x10 [ 72.214993][ T5324] ? __rseq_handle_notify_resume+0x3c8/0x15d0 [ 72.217270][ T5324] __x64_sys_bpf+0x7c/0x90 [ 72.218920][ T5324] do_syscall_64+0xf3/0x230 [ 72.220813][ T5324] ? clear_bhb_loop+0x45/0xa0 [ 72.222722][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 72.225133][ T5324] RIP: 0033:0x7f1a4eb8d169 [ 72.226965][ T5324] 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 [ 72.234823][ T5324] RSP: 002b:00007f1a4f911038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 72.238152][ T5324] RAX: ffffffffffffffda RBX: 00007f1a4eda5fa0 RCX: 00007f1a4eb8d169 [ 72.241400][ T5324] RDX: 0000000000000010 RSI: 00002000000000c0 RDI: 000000000000001c [ 72.244739][ T5324] RBP: 00007f1a4ec0e2a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.248096][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.251444][ T5324] R13: 0000000000000000 R14: 00007f1a4eda5fa0 R15: 00007ffcf9a55558 [ 72.254737][ T5324] [ 72.256354][ T5324] Kernel Offset: disabled [ 72.258174][ T5324] Rebooting in 86400 seconds..