ci2 starts bisection 2023-06-26 21:33:09.789490265 +0000 UTC m=+24408.879838121 bisecting fixing commit since 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 testing commit 115472395b0a9ea522ba0e106d6dfd7a73df8ba6 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e697c0675d50b1752cb1a46ca22c1f779d6ded75110789291e6bdcb965d3be66 all runs: crashed: WARNING in nilfs_sufile_set_segment_usage testing current HEAD f67653019430833d5003f16817d7fa85272a6a76 testing commit f67653019430833d5003f16817d7fa85272a6a76 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 89b7877c3a912324f89de6fd752857e571399332b99b34ecc87d9a8e64534f05 all runs: crashed: WARNING in nilfs_sufile_set_segment_usage crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 1h7m0.045472534s (build: 59m52.608802122s, test: 6m16.00269463s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.118 crash: WARNING in nilfs_sufile_set_segment_usage NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3959 at fs/nilfs2/sufile.c:539 __kunmap_atomic include/linux/highmem-internal.h:220 [inline] WARNING: CPU: 0 PID: 3959 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x490/0x630 fs/nilfs2/sufile.c:543 Modules linked in: CPU: 0 PID: 3959 Comm: segctord Not tainted 5.15.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:nilfs_sufile_set_segment_usage+0x490/0x630 fs/nilfs2/sufile.c:539 Code: e8 b5 70 d9 fe f0 80 8b b0 fe ff ff 02 48 8b 7c 24 48 48 85 ff 0f 85 72 ff ff ff e9 72 ff ff ff e8 d4 77 30 fe e9 15 ff ff ff <0f> 0b e9 6e fe ff ff e8 04 6d d9 fe e9 48 fc ff ff e8 fa 6c d9 fe RSP: 0018:ffffc90002b0fa90 EFLAGS: 00010202 RAX: 0000000000000007 RBX: ffff888072b2a160 RCX: ffff88807ebd3060 RDX: 0000000000000000 RSI: 1ffff1100f0ea494 RDI: ffff88807ebd306c RBP: 1ffff92000561f57 R08: ffff888078752400 R09: 0000000000000000 R10: ffffed100e507f85 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888072b2a5e8 R14: 0000000000000004 R15: 00000000649a13be FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6f0f7c2ba8 CR3: 000000000ae8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_update_segusage fs/nilfs2/segment.c:1466 [inline] nilfs_segctor_do_construct+0x1bc3/0x6420 fs/nilfs2/segment.c:2094 nilfs_segctor_construct+0x637/0x940 fs/nilfs2/segment.c:2404 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline] nilfs_segctor_thread+0x36f/0xdb0 fs/nilfs2/segment.c:2595 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298