bisecting fixing commit since 87ef12027b9b1dd0e0b12cf311fbcb19f9d92539
building syzkaller on cc402841ba1e067327a4adaf0a65335e47b5e83c
testing commit 87ef12027b9b1dd0e0b12cf311fbcb19f9d92539 with gcc (GCC) 8.1.0
kernel signature: 2dc554befac9a14a7b87e55740ae7386d9e07e2ce74a1a78915f00498d51ca68
all runs: crashed: kernel BUG at fs/reiserfs/journal.c:LINE!
testing current HEAD ae83d0b416db002fe95601e7f97f64b59514d936
testing commit ae83d0b416db002fe95601e7f97f64b59514d936 with gcc (GCC) 8.1.0
kernel signature: 062a422960e3f8c84cf4ca047833153e36e6e686a89846e2a3861708c17f64c2
all runs: crashed: kernel BUG at fs/reiserfs/journal.c:LINE!
revisions tested: 2, total time: 17m40.973369489s (build: 10m19.610689923s, test: 6m40.03415917s)
the crash still happens on HEAD
commit msg: Linux 5.7-rc2
crash: kernel BUG at fs/reiserfs/journal.c:LINE!
REISERFS (device loop0): using 3.5.x disk format
REISERFS (device loop1): Using r5 hash to sort names
REISERFS (device loop3): using 3.5.x disk format
REISERFS (device loop1): using 3.5.x disk format
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:3630!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 4448 Comm: syz-executor1 Not tainted 5.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_journal_end fs/reiserfs/journal.c:3630 [inline]
RIP: 0010:do_journal_end+0x312b/0x4730 fs/reiserfs/journal.c:4026
Code: 4c 8b 5d b0 e9 1b fa ff ff 48 8b 7d d0 4c 89 f6 4c 89 5d 98 e8 86 2f ff ff 4c 8b 5d 98 e9 2c fa ff ff 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 0f 0b 48 8b 45 c8 48 8b 55 a0 48 8d 98 58 03 02 00 48
RSP: 0018:ffff8881b358f8d8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001ed2000 RCX: 1ffff920003da409
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90001ed2058
RBP: ffff8881b358f9f0 R08: fffff520003da40c R09: fffff520003da40c
R10: ffffc90001ed205b R11: fffff520003da40b R12: 0000000000000000
R13: ffffc90001ed2058 R14: ffff8881b358fc00 R15: ffff8881bbc24000
FS:  00007f204e63b700(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f511d73b380 CR3: 00000001baeec000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 journal_end+0x203/0x290 fs/reiserfs/journal.c:3400
 reiserfs_fill_super+0x1b2b/0x2800 fs/reiserfs/super.c:2168
 mount_bdev+0x27b/0x340 fs/super.c:1417
 get_super_block+0x10/0x20 fs/reiserfs/super.c:2606
 legacy_get_tree+0x103/0x1f0 fs/fs_context.c:622
 vfs_get_tree+0x8b/0x2d0 fs/super.c:1547
 do_new_mount fs/namespace.c:2816 [inline]
 do_mount+0x1287/0x1c30 fs/namespace.c:3141
 __do_sys_mount fs/namespace.c:3350 [inline]
 __se_sys_mount fs/namespace.c:3327 [inline]
 __x64_sys_mount+0x169/0x1c0 fs/namespace.c:3327
 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x457efa
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f204e63aba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000457efa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f204e63abf0
RBP: 0000000000000014 R08: 0000000020013900 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000014 R14: 00000000006fcc58 R15: 0000000000000000
Modules linked in:
---[ end trace 5ffee8169ff2c425 ]---
RIP: 0010:check_journal_end fs/reiserfs/journal.c:3630 [inline]
RIP: 0010:do_journal_end+0x312b/0x4730 fs/reiserfs/journal.c:4026
Code: 4c 8b 5d b0 e9 1b fa ff ff 48 8b 7d d0 4c 89 f6 4c 89 5d 98 e8 86 2f ff ff 4c 8b 5d 98 e9 2c fa ff ff 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 0f 0b 48 8b 45 c8 48 8b 55 a0 48 8d 98 58 03 02 00 48
RSP: 0018:ffff8881b358f8d8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001ed2000 RCX: 1ffff920003da409
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90001ed2058
RBP: ffff8881b358f9f0 R08: fffff520003da40c R09: fffff520003da40c
R10: ffffc90001ed205b R11: fffff520003da40b R12: 0000000000000000
R13: ffffc90001ed2058 R14: ffff8881b358fc00 R15: ffff8881bbc24000
FS:  00007f204e63b700(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f511d73b380 CR3: 00000001baeec000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400