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Date: Sat, 25 May 2024 11:13:24 -0700 From: syzbot <syzbot+d9c37490b32d66c6bc78@...kaller.appspotmail.com> To: chandan.babu@...cle.com, djwong@...nel.org, linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, syzkaller-bugs@...glegroups.com Subject: [syzbot] [xfs?] WARNING in mod_delayed_work_on Hello, syzbot found the following issue on: HEAD commit: 8f6a15f095a6 Merge tag 'cocci-for-6.10' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=157a2844980000 kernel config: https://syzkaller.appspot.com/x/.config?x=cec8dc951d3cca13 dashboard link: https://syzkaller.appspot.com/bug?extid=d9c37490b32d66c6bc78 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-8f6a15f0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e76220459de3/vmlinux-8f6a15f0.xz kernel image: https://storage.googleapis.com/syzbot-assets/584cb4587029/bzImage-8f6a15f0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d9c37490b32d66c6bc78@...kaller.appspotmail.com XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. netlink: 'syz-executor.0': attribute type 1 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5436 at kernel/workqueue.c:2518 __queue_delayed_work+0x268/0x2e0 kernel/workqueue.c:2518 Modules linked in: CPU: 0 PID: 5436 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__queue_delayed_work+0x268/0x2e0 kernel/workqueue.c:2518 Code: 0f 0b 90 e9 dc fd ff ff e8 05 dd 34 00 90 0f 0b 90 e9 00 fe ff ff e8 f7 dc 34 00 90 0f 0b 90 e9 23 fe ff ff e8 e9 dc 34 00 90 <0f> 0b 90 e9 46 fe ff ff e8 6b 17 92 00 e9 ae fe ff ff e8 d1 dc 34 RSP: 0018:ffffc90007a9fc28 EFLAGS: 00010083 RAX: 00000000000284b9 RBX: ffffe8ffad067510 RCX: ffffc90002d89000 RDX: 0000000000040000 RSI: ffffffff8159a7b7 RDI: ffffe8ffad067560 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888058dd0400 R13: 0000000000000000 R14: ffffe8ffad067518 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5f1db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032040000 CR3: 000000004ae12000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> mod_delayed_work_on+0x19a/0x1d0 kernel/workqueue.c:2608 xfs_inodegc_queue fs/xfs/xfs_icache.c:2113 [inline] xfs_inode_mark_reclaimable+0x5c3/0xf60 fs/xfs/xfs_icache.c:2149 destroy_inode+0xc4/0x1b0 fs/inode.c:311 iput_final fs/inode.c:1741 [inline] iput.part.0+0x5a8/0x7f0 fs/inode.c:1767 iput+0x5c/0x80 fs/inode.c:1757 dentry_unlink_inode+0x295/0x480 fs/dcache.c:400 __dentry_kill+0x1d0/0x600 fs/dcache.c:603 dput.part.0+0x4b1/0x9b0 fs/dcache.c:845 dput+0x1f/0x30 fs/dcache.c:835 __fput+0x54e/0xbb0 fs/file_table.c:430 __fput_sync+0x47/0x50 fs/file_table.c:507 __do_sys_close fs/open.c:1556 [inline] __se_sys_close fs/open.c:1541 [inline] __ia32_sys_close+0x86/0x100 fs/open.c:1541 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf732b579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5f1d5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@...glegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
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