bisecting fixing commit since 90ac80dcd3136da7c5694835d6cad2010aa08798 building syzkaller on be2c130d4c0c511da96ce278486cf0564aeadcea testing commit 90ac80dcd3136da7c5694835d6cad2010aa08798 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 41f30454465898cbdf2e84f1fd3922f5d5af8e1b305f1d24f20a4a27e24a19d6 all runs: crashed: WARNING in bpf_check testing current HEAD 40c843218f11625722e9a7c3ced81a83b95ecf05 testing commit 40c843218f11625722e9a7c3ced81a83b95ecf05 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 50397361354cfe6f56c4468ea81198b8064b69fbe29239b7569d8a3633a55860 all runs: crashed: WARNING in bpf_check revisions tested: 2, total time: 19m59.70452757s (build: 13m14.593325636s, test: 6m3.648178233s) the crash still happens on HEAD commit msg: Merge tag 'perf-tools-for-v5.17-2022-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux crash: WARNING in bpf_check ------------[ cut here ]------------ trace type BPF program uses run-time allocation WARNING: CPU: 0 PID: 4086 at kernel/bpf/verifier.c:11872 check_map_prog_compatibility kernel/bpf/verifier.c:11872 [inline] WARNING: CPU: 0 PID: 4086 at kernel/bpf/verifier.c:11872 resolve_pseudo_ldimm64 kernel/bpf/verifier.c:12045 [inline] WARNING: CPU: 0 PID: 4086 at kernel/bpf/verifier.c:11872 bpf_check+0xaf10/0xb8e0 kernel/bpf/verifier.c:14314 Modules linked in: CPU: 0 PID: 4086 Comm: syz-executor.2 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_map_prog_compatibility kernel/bpf/verifier.c:11872 [inline] RIP: 0010:resolve_pseudo_ldimm64 kernel/bpf/verifier.c:12045 [inline] RIP: 0010:bpf_check+0xaf10/0xb8e0 kernel/bpf/verifier.c:14314 Code: 0f 84 a7 98 ff ff 48 8b bd 28 fe ff ff e8 18 fc 2a 00 e9 96 98 ff ff 48 c7 c7 80 7c f2 88 c6 05 02 b5 12 0b 01 e8 73 2f bf 06 <0f> 0b e9 fd a5 ff ff 4c 89 ff e8 51 fc 2a 00 e9 71 a6 ff ff e8 e7 RSP: 0018:ffffc900029f7830 EFLAGS: 00010282 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89418f60 RDI: fffff5200053eef8 RBP: ffffc900029f7ad0 R08: 0000000000000001 R09: ffff8880b9e34187 R10: ffffed10173c6830 R11: 0000000000000001 R12: ffffc90001c2e060 R13: ffffc90001c2e058 R14: ffff88801f08f000 R15: ffff88806fa5c000 FS: 00007f94433b3700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f073c492300 CR3: 0000000022a31000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_load+0xc12/0x1b10 kernel/bpf/syscall.c:2344 __sys_bpf+0x529/0x4400 kernel/bpf/syscall.c:4634 __do_sys_bpf kernel/bpf/syscall.c:4738 [inline] __se_sys_bpf kernel/bpf/syscall.c:4736 [inline] __x64_sys_bpf+0x70/0xb0 kernel/bpf/syscall.c:4736 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f94433b3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000078 RSI: 0000000020000240 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff20df298f R14: 00007f94433b3300 R15: 0000000000022000