ci2 starts bisection 2023-05-25 17:50:18.843907848 +0000 UTC m=+26993.240118380 bisecting fixing commit since 1cc3fcf63192dfbf5ac13bc6134ae9120ebdcba6 building syzkaller on 5205ef306e8b4217fc49cb8d8bd18670b7d08c3c ensuring issue is reproducible on original commit 1cc3fcf63192dfbf5ac13bc6134ae9120ebdcba6 testing commit 1cc3fcf63192dfbf5ac13bc6134ae9120ebdcba6 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 762f5cac35da1fdbc94cd1d1a00803e258ed2a190bb4fad2b41ce8cbdb35a986 all runs: crashed: WARNING in bpf_xdp_adjust_tail testing current HEAD a343b0dd87b42ba9d508fbf7d0c06f744c2e0954 testing commit a343b0dd87b42ba9d508fbf7d0c06f744c2e0954 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4f0deb80f0e36076a95d27de03f2ac20653fa729aa23e81e76b9cc59295d98e8 all runs: crashed: WARNING in bpf_xdp_adjust_tail crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 1h7m19.167576204s (build: 59m31.863852792s, test: 6m47.471499861s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 6.1.30 crash: WARNING in bpf_xdp_adjust_tail ------------[ cut here ]------------ Too BIG xdp->frame_sz = 131072 WARNING: CPU: 0 PID: 3968 at net/core/filter.c:4069 ____bpf_xdp_adjust_tail net/core/filter.c:4069 [inline] WARNING: CPU: 0 PID: 3968 at net/core/filter.c:4069 bpf_xdp_adjust_tail+0x19b/0x210 net/core/filter.c:4051 Modules linked in: CPU: 0 PID: 3968 Comm: syz-executor.0 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 RIP: 0010:____bpf_xdp_adjust_tail net/core/filter.c:4069 [inline] RIP: 0010:bpf_xdp_adjust_tail+0x19b/0x210 net/core/filter.c:4051 Code: df 44 89 f6 e8 56 0b 04 00 48 63 e8 eb d9 80 3d 28 23 70 05 00 75 d0 c6 05 1f 23 70 05 01 48 c7 c7 20 a7 dd 8a e8 35 b5 8e f9 <0f> 0b eb b9 41 f7 de 48 89 df 44 89 f6 e8 c3 05 04 00 48 63 e8 eb RSP: 0018:ffffc900043ef780 EFLAGS: 00010246 RAX: a316af6535331c00 RBX: ffffc900043ef940 RCX: 0000000000000202 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffffffffffffffea R08: dffffc0000000000 R09: fffff5200087de6d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900043ef948 R13: ffff88806e92feef R14: 0000000000000000 R15: 1ffff9200087df29 FS: 00007f85c6a99700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 00000000775ed000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_4add87e5301a4105+0x12/0x14 __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run_xdp include/linux/filter.h:775 [inline] bpf_prog_run_generic_xdp+0x4ff/0xf90 net/core/dev.c:4764 netif_receive_generic_xdp net/core/dev.c:4850 [inline] do_xdp_generic+0x320/0x590 net/core/dev.c:4909 tun_get_user+0x2300/0x3800 drivers/net/tun.c:1913 tun_chr_write_iter+0xd1/0x1a0 drivers/net/tun.c:2037 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7eb/0xac0 fs/read_write.c:584 ksys_write+0x15f/0x240 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f85c5c3de7f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007f85c6a99130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f85c5dabf80 RCX: 00007f85c5c3de7f RDX: 000000000000fdef RSI: 0000000020000300 RDI: 00000000000000c8 RBP: 00007f85c5ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffcf0ea445f R14: 00007f85c6a99300 R15: 0000000000022000