ci2 starts bisection 2023-02-01 20:05:55.52093308 +0000 UTC m=+35894.274216705 bisecting fixing commit since 1b929c02afd37871d5afb9d498426f83432e71c2 building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23 ensuring issue is reproducible on original commit 1b929c02afd37871d5afb9d498426f83432e71c2 testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3fc4a45cd2fb9761cbbb880523cfc35f125db2c7f01587a2ca359ac1dd36dfa9 run #0: crashed: KASAN: use-after-free Read in ntfs_lookup_inode_by_name run #1: crashed: kernel BUG in clear_inode run #2: crashed: kernel BUG in clear_inode run #3: crashed: kernel BUG in clear_inode run #4: crashed: kernel BUG in clear_inode run #5: crashed: KASAN: use-after-free Read in ntfs_lookup_inode_by_name run #6: crashed: kernel BUG in clear_inode run #7: crashed: kernel BUG in clear_inode run #8: crashed: kernel BUG in clear_inode run #9: crashed: kernel BUG in clear_inode run #10: crashed: kernel BUG in clear_inode run #11: crashed: kernel BUG in clear_inode run #12: crashed: kernel BUG in clear_inode run #13: crashed: kernel BUG in clear_inode run #14: crashed: kernel BUG in clear_inode run #15: crashed: kernel BUG in clear_inode run #16: crashed: kernel BUG in clear_inode run #17: crashed: KASAN: use-after-free Read in ntfs_lookup_inode_by_name run #18: crashed: kernel BUG in clear_inode run #19: crashed: kernel BUG in clear_inode testing current HEAD 9f266ccaa2f5228bfe67ad58a94ca4e0109b954a testing commit 9f266ccaa2f5228bfe67ad58a94ca4e0109b954a gcc compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 803ce3ed236db8646bb3849102c885cdd876acabe35e5eeb44fbf469561c17cc run #0: crashed: kernel BUG in clear_inode run #1: crashed: kernel BUG in clear_inode run #2: crashed: kernel BUG in clear_inode run #3: crashed: kernel BUG in clear_inode run #4: crashed: KASAN: use-after-free Read in ntfs_lookup_inode_by_name run #5: crashed: kernel BUG in clear_inode run #6: crashed: kernel BUG in clear_inode run #7: crashed: KASAN: use-after-free Read in ntfs_lookup_inode_by_name run #8: crashed: kernel BUG in clear_inode run #9: crashed: kernel BUG in clear_inode revisions tested: 2, total time: 45m23.67063184s (build: 37m17.981932877s, test: 6m16.675119835s) the crash still happens on HEAD commit msg: Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost crash: kernel BUG in clear_inode ------------[ cut here ]------------ kernel BUG at fs/inode.c:611! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5529 Comm: syz-executor.0 Not tainted 6.2.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:clear_inode+0xe2/0xf0 fs/inode.c:611 Code: b4 64 ed ff 49 8b 07 4c 39 f8 75 26 42 80 3c 23 00 74 08 4c 89 f7 e8 1d 65 ed ff 49 c7 06 60 00 00 00 5b 41 5c 41 5e 41 5f c3 <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90004a9fb68 EFLAGS: 00010002 RAX: 1ffff1100ecc591e RBX: ffff88807662c8f0 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90004a9fa60 RBP: ffff88807662c6e8 R08: dffffc0000000000 R09: fffff52000953f4c R10: fffff52000953f4d R11: 1ffff92000953f4c R12: dffffc0000000000 R13: ffffffff8a25bc70 R14: ffff88807662c750 R15: ffff88807662c520 FS: 00005555565c4400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565cd848 CR3: 000000001fc0a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_evict_big_inode+0x2f/0x3a0 fs/ntfs/inode.c:2252 evict+0x262/0x550 fs/inode.c:664 ntfs_put_super+0x81d/0xca0 fs/ntfs/super.c:2356 generic_shutdown_super+0x10f/0x2a0 fs/super.c:492 kill_block_super+0x74/0xc0 fs/super.c:1386 deactivate_locked_super+0x82/0xd0 fs/super.c:332 cleanup_mnt+0x3fe/0x480 fs/namespace.c:1291 task_work_run+0x227/0x2b0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3fe8a8d517 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007fff272f7d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3fe8a8d517 RDX: 00007fff272f7e39 RSI: 000000000000000a RDI: 00007fff272f7e30 RBP: 00007fff272f7e30 R08: 00000000ffffffff R09: 00007fff272f7c00 R10: 00005555565c58b3 R11: 0000000000000246 R12: 00007f3fe8ae6b24 R13: 00007fff272f8ef0 R14: 00005555565c5810 R15: 00007fff272f8f30 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_inode+0xe2/0xf0 fs/inode.c:611 Code: b4 64 ed ff 49 8b 07 4c 39 f8 75 26 42 80 3c 23 00 74 08 4c 89 f7 e8 1d 65 ed ff 49 c7 06 60 00 00 00 5b 41 5c 41 5e 41 5f c3 <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90004a9fb68 EFLAGS: 00010002 RAX: 1ffff1100ecc591e RBX: ffff88807662c8f0 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90004a9fa60 RBP: ffff88807662c6e8 R08: dffffc0000000000 R09: fffff52000953f4c R10: fffff52000953f4d R11: 1ffff92000953f4c R12: dffffc0000000000 R13: ffffffff8a25bc70 R14: ffff88807662c750 R15: ffff88807662c520 FS: 00005555565c4400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555565cd848 CR3: 000000001fc0a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400