| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <000000000000b0231406204772a1@google.com> Date: Thu, 22 Aug 2024 08:38:19 -0700 From: syzbot <syzbot+ebea2790904673d7c618@...kaller.appspotmail.com> To: chao@...nel.org, jaegeuk@...nel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com Subject: Re: [syzbot] [f2fs?] kernel BUG in f2fs_evict_inode (3) syzbot has found a reproducer for the following issue on: HEAD commit: 872cf28b8df9 Merge tag 'platform-drivers-x86-v6.11-4' of g.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=13ece38d980000 kernel config: https://syzkaller.appspot.com/x/.config?x=4fc2afd52fd008bb dashboard link: https://syzkaller.appspot.com/bug?extid=ebea2790904673d7c618 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1344680b980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1034880b980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c63409516c62/disk-872cf28b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/79b2b8c52d3a/vmlinux-872cf28b.xz kernel image: https://storage.googleapis.com/syzbot-assets/27cb9df9c339/bzImage-872cf28b.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/1f04d7ef7499/mount_0.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/831601ee93df/mount_5.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ebea2790904673d7c618@...kaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:896! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5217 Comm: syz-executor605 Not tainted 6.11.0-rc4-syzkaller-00033-g872cf28b8df9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Code: 6e 9b ab fd 31 ff 89 de e8 65 9b ab fd 40 84 ed 75 28 e8 5b 98 ab fd e9 3c ec ff ff e8 51 98 ab fd 90 0f 0b e8 49 98 ab fd 90 <0f> 0b e8 41 98 ab fd 90 0f 0b 90 e9 fc fe ff ff e8 33 98 ab fd e8 RSP: 0018:ffffc90003497808 EFLAGS: 00010293 RAX: ffffffff83e7f267 RBX: 0000000000000002 RCX: ffff88801a3e8000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff83e7ec50 R09: 1ffff1100efe9611 R10: dffffc0000000000 R11: ffffed100efe9612 R12: ffff88807a834000 R13: ffff888077f4b088 R14: ffff888077f4abe8 R15: dffffc0000000000 FS: 000055556d6353c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f376cbf9000 CR3: 00000000786a0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> evict+0x532/0x950 fs/inode.c:704 dispose_list fs/inode.c:747 [inline] evict_inodes+0x5f9/0x690 fs/inode.c:797 generic_shutdown_super+0x9d/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1696 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4898 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:228 ptrace_notify+0x2d2/0x380 kernel/signal.c:2402 ptrace_report_syscall include/linux/ptrace.h:415 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline] syscall_exit_work+0xc6/0x190 kernel/entry/common.c:173 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline] syscall_exit_to_user_mode+0x279/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f37740a00a7 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc120a25e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000015fbb RCX: 00007f37740a00a7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc120a26a0 RBP: 00007ffc120a26a0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc120a3750 R13: 000055556d636700 R14: 431bde82d7b634db R15: 00007ffc120a36f4 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Code: 6e 9b ab fd 31 ff 89 de e8 65 9b ab fd 40 84 ed 75 28 e8 5b 98 ab fd e9 3c ec ff ff e8 51 98 ab fd 90 0f 0b e8 49 98 ab fd 90 <0f> 0b e8 41 98 ab fd 90 0f 0b 90 e9 fc fe ff ff e8 33 98 ab fd e8 RSP: 0018:ffffc90003497808 EFLAGS: 00010293 RAX: ffffffff83e7f267 RBX: 0000000000000002 RCX: ffff88801a3e8000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff83e7ec50 R09: 1ffff1100efe9611 R10: dffffc0000000000 R11: ffffed100efe9612 R12: ffff88807a834000 R13: ffff888077f4b088 R14: ffff888077f4abe8 R15: dffffc0000000000 FS: 000055556d6353c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f376bda6000 CR3: 00000000786a0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.
Powered by blists - more mailing lists