Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. executing program [ 85.870865][ T26] audit: type=1400 audit(1565283468.892:36): avc: denied { map } for pid=10895 comm="syz-executor205" path="/root/syz-executor205496271" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 85.874854][T10895] ------------[ cut here ]------------ [ 85.898028][ T26] audit: type=1400 audit(1565283468.892:37): avc: denied { prog_load } for pid=10895 comm="syz-executor205" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 85.903748][T10895] verifier backtracking bug [ 85.903872][T10895] WARNING: CPU: 1 PID: 10895 at kernel/bpf/verifier.c:1782 __mark_chain_precision+0x197a/0x1ea0 [ 85.941597][T10895] Kernel panic - not syncing: panic_on_warn set ... [ 85.948168][T10895] CPU: 1 PID: 10895 Comm: syz-executor205 Not tainted 5.3.0-rc3+ #95 [ 85.956292][T10895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.966329][T10895] Call Trace: [ 85.969605][T10895] dump_stack+0x172/0x1f0 [ 85.973913][T10895] ? __mark_chain_precision+0x18c0/0x1ea0 [ 85.979611][T10895] panic+0x2dc/0x755 [ 85.983486][T10895] ? add_taint.cold+0x16/0x16 [ 85.988140][T10895] ? __kasan_check_write+0x14/0x20 [ 85.993227][T10895] ? __warn.cold+0x5/0x4c [ 85.997541][T10895] ? __warn+0xe7/0x1e0 [ 86.001615][T10895] ? __mark_chain_precision+0x197a/0x1ea0 [ 86.007318][T10895] __warn.cold+0x20/0x4c [ 86.011537][T10895] ? __mark_chain_precision+0x197a/0x1ea0 [ 86.017234][T10895] report_bug+0x263/0x2b0 [ 86.021542][T10895] do_error_trap+0x11b/0x200 [ 86.026139][T10895] do_invalid_op+0x37/0x50 [ 86.030530][T10895] ? __mark_chain_precision+0x197a/0x1ea0 [ 86.036242][T10895] invalid_op+0x23/0x30 [ 86.040378][T10895] RIP: 0010:__mark_chain_precision+0x197a/0x1ea0 [ 86.046679][T10895] Code: 08 31 ff 89 de e8 26 a0 f2 ff 84 db 0f 85 07 ff ff ff e8 d9 9e f2 ff 48 c7 c7 80 a7 91 87 c6 05 2c b2 21 08 01 e8 9e 11 c4 ff <0f> 0b 41 bc f2 ff ff ff e9 e8 fe ff ff 48 8b bd d8 fe ff ff e8 fd [ 86.066265][T10895] RSP: 0018:ffff888099dc75d8 EFLAGS: 00010286 [ 86.072315][T10895] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 86.080267][T10895] RDX: 0000000000000000 RSI: ffffffff815c3ba6 RDI: ffffed10133b8ead [ 86.088219][T10895] RBP: ffff888099dc7728 R08: ffff888089dee080 R09: fffffbfff11b42c5 [ 86.096166][T10895] R10: fffffbfff11b42c4 R11: ffffffff88da1623 R12: 0000000000000001 [ 86.104118][T10895] R13: ffff888099d9abc0 R14: ffff88808b3d90c0 R15: ffff888099dc76c0 [ 86.112087][T10895] ? vprintk_func+0x86/0x189 [ 86.116673][T10895] ? __mark_chain_precision+0x197a/0x1ea0 [ 86.122378][T10895] ? print_verifier_state+0x11b0/0x11b0 [ 86.127907][T10895] ? bpf_verifier_log_write+0x240/0x240 [ 86.133432][T10895] ? krealloc+0xa6/0xd0 [ 86.137584][T10895] ? push_jmp_history.isra.0+0x1a9/0x260 [ 86.143206][T10895] do_check+0x36d6/0x89f0 [ 86.147632][T10895] ? check_helper_call+0x3210/0x3210 [ 86.152900][T10895] ? quarantine_put+0x11c/0x1c0 [ 86.157729][T10895] ? trace_hardirqs_on+0x67/0x240 [ 86.162729][T10895] ? kvfree+0x61/0x70 [ 86.166690][T10895] bpf_check+0x6f99/0x9948 [ 86.171098][T10895] ? do_check+0x89f0/0x89f0 [ 86.175582][T10895] ? lock_downgrade+0x920/0x920 [ 86.180455][T10895] ? lock_acquire+0x190/0x410 [ 86.185110][T10895] ? bpf_prog_load+0xdce/0x1670 [ 86.189937][T10895] ? trace_hardirqs_on+0x67/0x240 [ 86.194936][T10895] ? memset+0x32/0x40 [ 86.198895][T10895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 86.205197][T10895] ? bpf_obj_name_cpy+0x13f/0x190 [ 86.210208][T10895] bpf_prog_load+0xe68/0x1670 [ 86.214867][T10895] ? bpf_prog_new_fd+0x60/0x60 [ 86.219608][T10895] ? trace_hardirqs_on+0x67/0x240 [ 86.224614][T10895] ? lock_downgrade+0x920/0x920 [ 86.229444][T10895] ? __might_fault+0xfb/0x1e0 [ 86.234101][T10895] ? selinux_bpf+0xe7/0x130 [ 86.238581][T10895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.244799][T10895] ? security_bpf+0x8b/0xc0 [ 86.249301][T10895] __do_sys_bpf+0xc43/0x3460 [ 86.253871][T10895] ? __kasan_check_read+0x11/0x20 [ 86.258874][T10895] ? bpf_prog_load+0x1670/0x1670 [ 86.263790][T10895] ? lock_downgrade+0x920/0x920 [ 86.268622][T10895] ? __kasan_check_write+0x14/0x20 [ 86.273711][T10895] ? up_read+0x159/0x570 [ 86.277936][T10895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.284153][T10895] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 86.290201][T10895] __x64_sys_bpf+0x73/0xb0 [ 86.294597][T10895] do_syscall_64+0xfd/0x6a0 [ 86.299083][T10895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.304950][T10895] RIP: 0033:0x4402b9 [ 86.308844][T10895] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.328431][T10895] RSP: 002b:00007fff4a9ec188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 86.336825][T10895] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004402b9 [ 86.344783][T10895] RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005 [ 86.352739][T10895] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 86.360693][T10895] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000401b40 [ 86.368645][T10895] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 86.377743][T10895] Kernel Offset: disabled [ 86.382067][T10895] Rebooting in 86400 seconds..