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AJvYcCXTt9IFetnecoz9QC7v10YdVhmG+EGylXth6Mgp99y9NrHHFbTprwpG5+0OHsL9sz7Da/jIv2YrcYzf9lc=@vger.kernel.org X-Gm-Message-State: AOJu0YyDKtmZGPaopeROvc3KyWazR5hcI/7PiFmvzKn/gx8H9V3yFedX 14ZH3KqvyMHHcydDtCDY9vo1o1SMinR9klZPHrGPZPXuEnwFw79bI5zW12fpz/pLmK7APV9t9yc E6IqxS+lPbOGxnFwGAPTD058uvRh5aq0NZMgCYFiGwlCwj9XM8TAzfgA= X-Google-Smtp-Source: AGHT+IGl4NsuasVX4CbzS7/Pe1vbj3ipLwcVldBd2NiLWYDrblcA4ibVU7akFLUQYOZfzOGEWFcXG4q5HcnQ35CN/HzSEDayr92b Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3702:b0:3a7:c5ca:ac9f with SMTP id e9e14a558f8ab-3a7c5caad62mr72505205ab.6.1732784843472; Thu, 28 Nov 2024 01:07:23 -0800 (PST) Date: Thu, 28 Nov 2024 01:07:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674832cb.050a0220.253251.007a.GAE@google.com> Subject: [syzbot] [ocfs2?] WARNING in poll_select_finish From: syzbot To: brauner@kernel.org, jack@suse.cz, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 7b1d1d4cfac0 Merge remote-tracking branch 'iommu/arm/smmu'.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=127619c0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=dfe1e340fbee3d16 dashboard link: https://syzkaller.appspot.com/bug?extid=15f68436afaf0cc3af11 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12368530580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/354fe38e2935/disk-7b1d1d4c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f12e0b1ef3fd/vmlinux-7b1d1d4c.xz kernel image: https://storage.googleapis.com/syzbot-assets/291dbc519bb3/Image-7b1d1d4c.gz.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/c8d5f19b6cc3/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+15f68436afaf0cc3af11@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6595 at include/linux/sched/signal.h:548 restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] WARNING: CPU: 0 PID: 6595 at include/linux/sched/signal.h:548 poll_select_finish+0x71c/0x7e0 fs/select.c:301 Modules linked in: CPU: 0 UID: 0 PID: 6595 Comm: syz.0.15 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] pc : poll_select_finish+0x71c/0x7e0 fs/select.c:301 lr : restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] lr : poll_select_finish+0x71c/0x7e0 fs/select.c:301 sp : ffff8000a02e7b20 x29: ffff8000a02e7c20 x28: dfff800000000000 x27: 0000000000000000 x26: ffff70001405cf6c x25: 0000000000000002 x24: ffff8000a02e7ce0 x23: 0000000000000008 x22: ffff8000a02e7ba0 x21: ffff0000d55cbc80 x20: 0000000000000008 x19: 00000000fffffdfe x18: 1fffe000366c6876 x17: ffff80008f81d000 x16: ffff80008b3edfc8 x15: 0000000000000002 x14: 1ffff0001405cf74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001405cf76 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d55cbc80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] (P) poll_select_finish+0x71c/0x7e0 fs/select.c:301 (P) restore_saved_sigmask_unless include/linux/sched/signal.h:548 [inline] (L) poll_select_finish+0x71c/0x7e0 fs/select.c:301 (L) __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __arm64_sys_ppoll+0x2d8/0x358 fs/select.c:1101 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 796 hardirqs last enabled at (795): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (795): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (796): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (752): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (750): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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