Messages in this thread | | | Date | Fri, 03 Nov 2023 00:40:06 -0700 | Subject | Re: [syzbot] [jfs?] UBSAN: array-index-out-of-bounds in diWrite | From | syzbot <> |
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Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in txUnlock
BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 107 Comm: jfsCommit Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 18 58 4b 07 0f 0b e8 f1 9a 7b fe 48 c7 c7 40 ed e2 8a 48 c7 c6 39 e9 e2 8a ba a3 03 00 00 48 c7 c1 20 fa e2 8a e8 f2 57 4b 07 <0f> 0b e8 cb 9a 7b fe 48 c7 c7 40 ed e2 8a 48 c7 c6 39 e9 e2 8a ba RSP: 0018:ffffc90002cafce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: af7f11a66accc000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888027157aa8 R08: ffffffff816e5b5c R09: 1ffff92000595f3c R10: dffffc0000000000 R11: fffff52000595f3d R12: 0000000000000a06 R13: 0000000000000000 R14: ffffc90002802000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555660e938 CR3: 0000000027c28000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> jfs_lazycommit+0x5d4/0xb80 fs/jfs/jfs_txnmgr.c:2682 kthread+0x2cd/0x360 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 18 58 4b 07 0f 0b e8 f1 9a 7b fe 48 c7 c7 40 ed e2 8a 48 c7 c6 39 e9 e2 8a ba a3 03 00 00 48 c7 c1 20 fa e2 8a e8 f2 57 4b 07 <0f> 0b e8 cb 9a 7b fe 48 c7 c7 40 ed e2 8a 48 c7 c6 39 e9 e2 8a ba RSP: 0018:ffffc90002cafce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: af7f11a66accc000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888027157aa8 R08: ffffffff816e5b5c R09: 1ffff92000595f3c R10: dffffc0000000000 R11: fffff52000595f3d R12: 0000000000000a06 R13: 0000000000000000 R14: ffffc90002802000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555660e938 CR3: 0000000026057000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: 8f6f76a6 Merge tag 'mm-nonmm-stable-2023-11-02-14-08' .. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master console output: https://syzkaller.appspot.com/x/log.txt?x=1751405b680000 kernel config: https://syzkaller.appspot.com/x/.config?x=f696cf620c46c5db dashboard link: https://syzkaller.appspot.com/bug?extid=c1056fdfe414463fdb33 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1022abe3680000
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