[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.851038][ T8477] ------------[ cut here ]------------ [ 70.859008][ T8477] trace type BPF program uses run-time allocation [ 70.865455][ T8477] WARNING: CPU: 0 PID: 8477 at kernel/bpf/verifier.c:9857 bpf_check+0x97f2/0xca90 [ 70.875834][ T8477] Modules linked in: [ 70.880039][ T8477] CPU: 1 PID: 8477 Comm: syz-executor262 Not tainted 5.11.0-rc2-syzkaller #0 [ 70.888907][ T8477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.899150][ T8477] RIP: 0010:bpf_check+0x97f2/0xca90 [ 70.904374][ T8477] Code: e9 e1 bb ff ff 4c 89 ff e8 3b 46 30 00 e9 91 bb ff ff e8 41 8a ed ff 48 c7 c7 00 97 52 89 c6 05 10 1a 6a 0b 01 e8 cb 0f 33 07 <0f> 0b e9 7c ca ff ff e8 22 8a ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 70.924532][ T8477] RSP: 0018:ffffc90001aaf958 EFLAGS: 00010282 [ 70.930721][ T8477] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 70.939167][ T8477] RDX: ffff888010e03780 RSI: ffffffff815b69d5 RDI: fffff52000355f1d [ 70.947252][ T8477] RBP: ffffc90001aafbc0 R08: 0000000000000000 R09: 0000000000000000 [ 70.955301][ T8477] R10: ffffffff815afbae R11: 0000000000000000 R12: 0000000000000000 [ 70.963388][ T8477] R13: ffff8880258f4000 R14: ffffc90000e76048 R15: ffff888022f18000 [ 70.971541][ T8477] FS: 0000000000a45880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 70.980592][ T8477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.990122][ T8477] CR2: 00007f368b77a6c0 CR3: 000000001cc3d000 CR4: 00000000001506e0 [ 70.998206][ T8477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.006531][ T8477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.014594][ T8477] Call Trace: [ 71.017928][ T8477] ? bpf_get_btf_vmlinux+0x10/0x10 [ 71.023134][ T8477] ? find_held_lock+0x2d/0x110 [ 71.027931][ T8477] ? bpf_prog_load+0xda4/0x1f40 [ 71.032984][ T8477] ? lock_downgrade+0x6d0/0x6d0 [ 71.037938][ T8477] ? lock_downgrade+0x6d0/0x6d0 [ 71.042909][ T8477] ? memset+0x20/0x40 [ 71.046915][ T8477] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.053955][ T8477] ? bpf_obj_name_cpy+0x144/0x1a0 [ 71.059110][ T8477] ? bpf_prog_load+0xe1c/0x1f40 [ 71.064255][ T8477] bpf_prog_load+0xe3e/0x1f40 [ 71.069019][ T8477] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 71.074940][ T8477] ? __might_fault+0xd3/0x180 [ 71.080052][ T8477] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.086605][ T8477] __do_sys_bpf+0x1251/0x4f10 [ 71.091353][ T8477] ? bpf_link_get_from_fd+0x110/0x110 [ 71.096751][ T8477] ? __up_read+0x1a1/0x7b0 [ 71.101281][ T8477] ? _down_write_nest_lock+0x150/0x150 [ 71.109292][ T8477] ? syscall_enter_from_user_mode+0x1d/0x50 [ 71.115239][ T8477] do_syscall_64+0x2d/0x70 [ 71.119781][ T8477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.126489][ T8477] RIP: 0033:0x440669 [ 71.130460][ T8477] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.150630][ T8477] RSP: 002b:00007ffdc8c34a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 71.159154][ T8477] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440669 [ 71.167151][ T8477] RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005 [ 71.175334][ T8477] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 71.192333][ T8477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e70 [ 71.202124][ T8477] R13: 0000000000401f00 R14: 0000000000000000 R15: 0000000000000000 [ 71.210873][ T8477] Kernel panic - not syncing: panic_on_warn set ... [ 71.217471][ T8477] CPU: 1 PID: 8477 Comm: syz-executor262 Not tainted 5.11.0-rc2-syzkaller #0 [ 71.226248][ T8477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.236316][ T8477] Call Trace: [ 71.239607][ T8477] dump_stack+0x107/0x163 [ 71.243958][ T8477] panic+0x306/0x73d [ 71.247858][ T8477] ? __warn_printk+0xf3/0xf3 [ 71.252453][ T8477] ? __warn.cold+0x1a/0x44 [ 71.256876][ T8477] ? bpf_check+0x97f2/0xca90 [ 71.261478][ T8477] __warn.cold+0x35/0x44 [ 71.265736][ T8477] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.270946][ T8477] ? bpf_check+0x97f2/0xca90 [ 71.275569][ T8477] report_bug+0x1bd/0x210 [ 71.279902][ T8477] handle_bug+0x3c/0x60 [ 71.284173][ T8477] exc_invalid_op+0x14/0x40 [ 71.288676][ T8477] asm_exc_invalid_op+0x12/0x20 [ 71.293673][ T8477] RIP: 0010:bpf_check+0x97f2/0xca90 [ 71.298911][ T8477] Code: e9 e1 bb ff ff 4c 89 ff e8 3b 46 30 00 e9 91 bb ff ff e8 41 8a ed ff 48 c7 c7 00 97 52 89 c6 05 10 1a 6a 0b 01 e8 cb 0f 33 07 <0f> 0b e9 7c ca ff ff e8 22 8a ed ff 48 8d 7b 40 b8 ff ff 37 00 48 [ 71.318954][ T8477] RSP: 0018:ffffc90001aaf958 EFLAGS: 00010282 [ 71.325034][ T8477] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 71.333017][ T8477] RDX: ffff888010e03780 RSI: ffffffff815b69d5 RDI: fffff52000355f1d [ 71.341001][ T8477] RBP: ffffc90001aafbc0 R08: 0000000000000000 R09: 0000000000000000 [ 71.348985][ T8477] R10: ffffffff815afbae R11: 0000000000000000 R12: 0000000000000000 [ 71.357160][ T8477] R13: ffff8880258f4000 R14: ffffc90000e76048 R15: ffff888022f18000 [ 71.365211][ T8477] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.370433][ T8477] ? vprintk_func+0x95/0x1e0 [ 71.375125][ T8477] ? bpf_check+0x97f2/0xca90 [ 71.379793][ T8477] ? bpf_get_btf_vmlinux+0x10/0x10 [ 71.384906][ T8477] ? find_held_lock+0x2d/0x110 [ 71.389689][ T8477] ? bpf_prog_load+0xda4/0x1f40 [ 71.394557][ T8477] ? lock_downgrade+0x6d0/0x6d0 [ 71.399413][ T8477] ? lock_downgrade+0x6d0/0x6d0 [ 71.404261][ T8477] ? memset+0x20/0x40 [ 71.408261][ T8477] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.414526][ T8477] ? bpf_obj_name_cpy+0x144/0x1a0 [ 71.419563][ T8477] ? bpf_prog_load+0xe1c/0x1f40 [ 71.424421][ T8477] bpf_prog_load+0xe3e/0x1f40 [ 71.429112][ T8477] ? __bpf_prog_put.constprop.0+0x1a0/0x1a0 [ 71.435021][ T8477] ? __might_fault+0xd3/0x180 [ 71.439716][ T8477] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.445969][ T8477] __do_sys_bpf+0x1251/0x4f10 [ 71.450673][ T8477] ? bpf_link_get_from_fd+0x110/0x110 [ 71.456039][ T8477] ? __up_read+0x1a1/0x7b0 [ 71.460464][ T8477] ? _down_write_nest_lock+0x150/0x150 [ 71.465943][ T8477] ? syscall_enter_from_user_mode+0x1d/0x50 [ 71.471861][ T8477] do_syscall_64+0x2d/0x70 [ 71.476301][ T8477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.482198][ T8477] RIP: 0033:0x440669 [ 71.486184][ T8477] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.505797][ T8477] RSP: 002b:00007ffdc8c34a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 71.514329][ T8477] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440669 [ 71.522320][ T8477] RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005 [ 71.530291][ T8477] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 71.538322][ T8477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e70 [ 71.546325][ T8477] R13: 0000000000401f00 R14: 0000000000000000 R15: 0000000000000000 [ 71.554946][ T8477] Kernel Offset: disabled [ 71.559354][ T8477] Rebooting in 86400 seconds..