ci starts bisection 2022-07-26 06:43:38.103603786 +0000 UTC m=+17617.414879299 bisecting fixing commit since e71e60cd74df9386c3f684c54888f2367050b831 building syzkaller on c885789257c76ea4479ea36282f5e0a2c7861e26 testing commit e71e60cd74df9386c3f684c54888f2367050b831 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 876633f9783a05755f59d918c870a0b371ab2947f99d2fb2be95cc5445159591 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: EOF run #1: crashed: WARNING in blk_register_tracepoints run #2: crashed: WARNING in blk_register_tracepoints run #3: crashed: WARNING in blk_register_tracepoints run #4: crashed: WARNING in blk_register_tracepoints run #5: crashed: WARNING in blk_register_tracepoints run #6: boot failed: INFO: task hung in add_early_randomness run #7: boot failed: INFO: task hung in add_early_randomness run #8: boot failed: INFO: task hung in add_early_randomness run #9: boot failed: INFO: task hung in add_early_randomness run #10: boot failed: INFO: task hung in add_early_randomness run #11: boot failed: INFO: task hung in add_early_randomness run #12: boot failed: INFO: task hung in add_early_randomness run #13: boot failed: INFO: task hung in add_early_randomness run #14: boot failed: INFO: task hung in add_early_randomness run #15: boot failed: INFO: task hung in add_early_randomness run #16: boot failed: INFO: task hung in add_early_randomness run #17: OK run #18: OK run #19: OK testing current HEAD e0dccc3b76fb35bb257b4118367a883073d7390e testing commit e0dccc3b76fb35bb257b4118367a883073d7390e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d85a62faff5a4a3c40c6423d4b2d18459a627e24be77abd674d8f7099a413120 run #0: crashed: WARNING in blk_register_tracepoints run #1: crashed: WARNING in blk_register_tracepoints run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky Reproducer flagged being flaky revisions tested: 2, total time: 37m46.535556537s (build: 14m44.574435728s, test: 22m33.951492772s) the crash still happens on HEAD commit msg: Linux 5.19-rc8 crash: WARNING in blk_register_tracepoints ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4160 at kernel/trace/blktrace.c:1099 blk_register_tracepoints+0x1cc/0x240 kernel/trace/blktrace.c:1130 Modules linked in: CPU: 1 PID: 4160 Comm: syz-executor.2 Not tainted 5.19.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:blk_register_tracepoints+0x1cc/0x240 kernel/trace/blktrace.c:1099 Code: 60 09 da 8c e8 65 d7 fb ff 85 c0 75 7f 31 d2 48 c7 c6 40 34 74 81 48 c7 c7 00 09 da 8c e8 4c d7 fb ff 85 c0 75 01 c3 0f 0b c3 <0f> 0b e9 4a fe ff ff 0f 0b e9 60 fe ff ff 0f 0b e9 76 fe ff ff 0f RSP: 0018:ffffc900030dfbf8 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: 0000000000000000 RCX: ffff88801f203a80 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffc900030dfa98 RBP: ffffc900030dfc88 R08: 0000000000000001 R09: ffffc900030dfa9f R10: fffff5200061bf53 R11: 000000000007e07a R12: ffff88801c8f5c80 R13: 0000000000000000 R14: ffff8880733f3830 R15: ffff8880733f3800 FS: 00007f6deb77a700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffbe8e3448 CR3: 00000000759b6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_probe_ref kernel/trace/blktrace.c:336 [inline] do_blk_trace_setup+0x7d8/0xa20 kernel/trace/blktrace.c:580 __blk_trace_setup+0xac/0x130 kernel/trace/blktrace.c:599 blk_trace_setup+0x3e/0x60 kernel/trace/blktrace.c:617 sg_ioctl_common drivers/scsi/sg.c:1122 [inline] sg_ioctl+0x215/0x2510 drivers/scsi/sg.c:1164 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7f6dea689109 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6deb77a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6dea79bf60 RCX: 00007f6dea689109 RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007f6deb77a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffedfe1bbcf R14: 00007f6deb77a300 R15: 0000000000022000