ci2 starts bisection 2023-02-24 14:46:07.60061817 +0000 UTC m=+16392.276805797
bisecting fixing commit since 88603b6dc419445847923fcb7fe5080067a30f98
building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099
ensuring issue is reproducible on original commit 88603b6dc419445847923fcb7fe5080067a30f98

testing commit 88603b6dc419445847923fcb7fe5080067a30f98 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 582bd662c0f0c207f4e7b26340a14e8de66c1f8ee621e820ed60074fb1952c40
all runs: crashed: kernel BUG in reiserfs_cut_from_item
testing current HEAD d2980d8d826554fa6981d621e569a453787472f8
testing commit d2980d8d826554fa6981d621e569a453787472f8 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f6bdbd1a04de8b45c3e8d5d37bd8d73d8b4b0f1dcd42a406b454154f54828503
all runs: crashed: kernel BUG in reiserfs_cut_from_item
revisions tested: 2, total time: 1h58m34.55295658s (build: 1h49m55.797720869s, test: 6m41.837555375s)
the crash still happens on HEAD
commit msg: Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
crash: kernel BUG in reiserfs_cut_from_item
| 5| *3.6* [2 6 0x0 SD], item_len 44, item_location 340, free_space(entry_count) 65535 |
	mode | size | nlinks | first direct | mtime
	0100000 |     24 |  1 | 0 | 1677257069
===================================================================
REISERFS panic (device loop0): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 6 0x1 IND])
------------[ cut here ]------------
kernel BUG at fs/reiserfs/prints.c:390!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5607 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:__reiserfs_panic+0x116/0x120
Code: c7 c1 80 c8 fb 89 48 0f 44 c8 48 0f 44 d8 48 c7 c7 40 c9 fb 89 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 00 f1 a0 90 e8 4a d7 95 07 <0f> 0b 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90004c872e0 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff89fbe740 RCX: 4d6bf7bd6ed07d00
RDX: 0000000000000001 RSI: ffffffff8a3a0fa0 RDI: 0000000000000001
RBP: ffffc90004c873b0 R08: dffffc0000000000 R09: fffff52000990e19
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000990f38
R13: 0000000000000004 R14: ffffffff8b82eb3e R15: ffff888025a126a8
FS:  00005555562b3400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9890515829 CR3: 0000000020237000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_cut_from_item+0x1c00/0x1fb0
 reiserfs_do_truncate+0x85f/0x1260
 reiserfs_truncate_file+0x2e4/0x610
 reiserfs_file_release+0x460/0x6e0
 __fput+0x33f/0x720
 task_work_run+0x20a/0x290
 exit_to_user_mode_loop+0xd1/0xf0
 exit_to_user_mode_prepare+0xb1/0x140
 syscall_exit_to_user_mode+0x54/0x2d0
 do_syscall_64+0x4d/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f989043df5b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffd1c9d3af0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f989043df5b
RDX: 00007f9890001608 RSI: ffffffffffffffff RDI: 0000000000000005
RBP: 00007f98905ad980 R08: 0000000000000000 R09: 00007f9890000000
R10: 00007f9890001610 R11: 0000000000000293 R12: 0000000000012df3
R13: 00007ffd1c9d3bf0 R14: 00007f98905abf80 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0x116/0x120
Code: c7 c1 80 c8 fb 89 48 0f 44 c8 48 0f 44 d8 48 c7 c7 40 c9 fb 89 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 00 f1 a0 90 e8 4a d7 95 07 <0f> 0b 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90004c872e0 EFLAGS: 00010246
RAX: 000000000000006e RBX: ffffffff89fbe740 RCX: 4d6bf7bd6ed07d00
RDX: 0000000000000001 RSI: ffffffff8a3a0fa0 RDI: 0000000000000001
RBP: ffffc90004c873b0 R08: dffffc0000000000 R09: fffff52000990e19
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000990f38
R13: 0000000000000004 R14: ffffffff8b82eb3e R15: ffff888025a126a8
FS:  00005555562b3400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9890515829 CR3: 0000000020237000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400