Title | Replies (including bot) | Last reply |
---|---|---|
Re: [syzbot] Monthly fuse report | 2 (2) | 2023/04/14 15:09 |
[syzbot] Monthly fuse report | 0 (1) | 2023/04/05 09:00 |
[syzbot] INFO: task hung in lookup_slow (3) | 0 (1) | 2022/11/11 00:21 |
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Title | Replies (including bot) | Last reply |
---|---|---|
Re: [syzbot] Monthly fuse report | 2 (2) | 2023/04/14 15:09 |
[syzbot] Monthly fuse report | 0 (1) | 2023/04/05 09:00 |
[syzbot] INFO: task hung in lookup_slow (3) | 0 (1) | 2022/11/11 00:21 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in lookup_slow (2) fs | 2 | 1555d | 1567d | 0/25 | auto-closed as invalid on 2019/11/26 02:54 | |||
upstream | INFO: task hung in lookup_slow exfat | 148 | 1776d | 2069d | 0/25 | closed as dup on 2018/09/08 15:36 | |||
android-49 | INFO: task hung in lookup_slow | syz | 36 | 1581d | 1690d | 0/3 | public: reported syz repro on 2019/04/14 08:51 | ||
linux-4.14 | INFO: task hung in lookup_slow | C | error | 1 | 453d | 483d | 0/1 | upstream: reported C repro on 2022/08/03 08:46 | |
linux-4.19 | INFO: task hung in lookup_slow | 1 | 1263d | 1263d | 0/1 | auto-closed as invalid on 2020/10/13 00:17 | |||
linux-5.15 | INFO: task hung in lookup_slow | 2 | 227d | 232d | 0/3 | auto-obsoleted due to no activity on 2023/08/15 05:05 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/11/10 01:19 | 20m | retest repro | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | report log | |
2023/08/31 23:59 | 20m | retest repro | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | report log | |
2022/11/11 03:46 | 18m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git bbed346d5a96 | OK log |
INFO: task syslogd:2546 blocked for more than 143 seconds. Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syslogd state:D stack: 0 pid: 2546 ppid: 1 flags:0x00000000 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557 context_switch kernel/sched/core.c:5182 [inline] __schedule+0x414/0x5a0 kernel/sched/core.c:6494 schedule+0x64/0xa4 kernel/sched/core.c:6570 rwsem_down_read_slowpath+0x228/0x444 kernel/locking/rwsem.c:1087 __down_read_common+0x48/0x154 kernel/locking/rwsem.c:1252 __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x68/0x78 kernel/locking/rwsem.c:1501 inode_lock_shared include/linux/fs.h:766 [inline] lookup_slow+0x34/0x68 fs/namei.c:1701 walk_component fs/namei.c:1993 [inline] link_path_walk+0x474/0x628 fs/namei.c:2320 path_openat+0xb8/0x11c4 fs/namei.c:3687 do_filp_open+0xdc/0x1b8 fs/namei.c:3718 do_sys_openat2+0xb8/0x22c fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __arm64_sys_openat+0xb0/0xe0 fs/open.c:1340 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INFO: task syz-executor428:3073 blocked for more than 143 seconds. Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor428 state:D stack: 0 pid: 3073 ppid: 3071 flags:0x00000000 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557 context_switch kernel/sched/core.c:5182 [inline] __schedule+0x414/0x5a0 kernel/sched/core.c:6494 schedule+0x64/0xa4 kernel/sched/core.c:6570 rwsem_down_read_slowpath+0x228/0x444 kernel/locking/rwsem.c:1087 __down_read_common+0x48/0x154 kernel/locking/rwsem.c:1252 __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x68/0x78 kernel/locking/rwsem.c:1501 inode_lock_shared include/linux/fs.h:766 [inline] lookup_slow+0x34/0x68 fs/namei.c:1701 walk_component fs/namei.c:1993 [inline] link_path_walk+0x474/0x628 fs/namei.c:2320 path_openat+0xb8/0x11c4 fs/namei.c:3687 do_filp_open+0xdc/0x1b8 fs/namei.c:3718 do_sys_openat2+0xb8/0x22c fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __arm64_sys_openat+0xb0/0xe0 fs/open.c:1340 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INFO: task syz-executor428:3075 blocked for more than 143 seconds. Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor428 state:D stack: 0 pid: 3075 ppid: 3073 flags:0x00000001 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557 context_switch kernel/sched/core.c:5182 [inline] __schedule+0x414/0x5a0 kernel/sched/core.c:6494 schedule+0x64/0xa4 kernel/sched/core.c:6570 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6629 __mutex_lock_common+0x788/0xca8 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468 fuse_lookup+0x74/0x274 fs/fuse/dir.c:432 __lookup_slow+0x14c/0x204 fs/namei.c:1685 lookup_slow+0x44/0x68 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x474/0x628 fs/namei.c:2320 path_openat+0xb8/0x11c4 fs/namei.c:3687 do_filp_open+0xdc/0x1b8 fs/namei.c:3718 do_sys_openat2+0xb8/0x22c fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __arm64_sys_openat+0xb0/0xe0 fs/open.c:1340 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INFO: task syz-executor428:3077 blocked for more than 143 seconds. Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor428 state:D stack: 0 pid: 3077 ppid: 3073 flags:0x00000001 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557 context_switch kernel/sched/core.c:5182 [inline] __schedule+0x414/0x5a0 kernel/sched/core.c:6494 schedule+0x64/0xa4 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write_nested+0x90/0xd8 kernel/locking/rwsem.c:1663 inode_lock_nested include/linux/fs.h:791 [inline] fuse_reverse_inval_entry+0x58/0x3c4 fs/fuse/dir.c:1167 fuse_dev_do_write+0x1208/0x1544 fs/fuse/dev.c:1872 fuse_dev_write+0x78/0xc0 fs/fuse/dev.c:1956 call_write_iter include/linux/fs.h:2187 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x2dc/0x46c fs/read_write.c:578 ksys_write+0xb4/0x160 fs/read_write.c:631 __do_sys_write fs/read_write.c:643 [inline] __se_sys_write fs/read_write.c:640 [inline] __arm64_sys_write+0x24/0x34 fs/read_write.c:640 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d433568 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/12: #0: ffff80000d433bb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffff80000d433440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279 1 lock held by syslogd/2546: #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701 2 locks held by udevd/2561: #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701 #1: ffff0000c9e485b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468 2 locks held by getty/2711: #0: ffff0000c62cb898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f6162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177 1 lock held by syz-executor428/3073: #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701 2 locks held by syz-executor428/3075: #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701 #1: ffff0000c9e485b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 fs/fuse/inode.c:468 2 locks held by syz-executor428/3077: #0: ffff0000ca1f2738 (&fc->killsb){.+.+}-{3:3}, at: fuse_notify_delete fs/fuse/dev.c:1547 [inline] #0: ffff0000ca1f2738 (&fc->killsb){.+.+}-{3:3}, at: fuse_notify fs/fuse/dev.c:1797 [inline] #0: ffff0000ca1f2738 (&fc->killsb){.+.+}-{3:3}, at: fuse_dev_do_write+0x11f8/0x1544 fs/fuse/dev.c:1872 #1: ffff0000c9e48150 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline] #1: ffff0000c9e48150 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: fuse_reverse_inval_entry+0x58/0x3c4 fs/fuse/dir.c:1167 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/07 00:02 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | bbed346d5a96 | 6d752409 | .config | console log | report | syz | C | [disk image] [vmlinux] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | |
2023/10/14 19:50 | upstream | 70f8c6f8f880 | f757a323 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/10/11 02:59 | upstream | 1c8b86a3799f | 83165b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/07/15 10:15 | upstream | bde7f150276b | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/06/23 23:16 | upstream | 8a28a0b6f1a1 | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/06/14 15:33 | upstream | b6dad5178cea | d2ee9228 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in lookup_slow | ||
2023/05/20 20:17 | upstream | d635f6cc934b | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/05/12 18:53 | upstream | cc3c44c9fda2 | ecca8a24 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/05/06 08:24 | upstream | 7163a2111f6c | de870ca5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/04/22 15:38 | upstream | 8e41e0a57566 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/04/04 18:03 | upstream | 148341f0a2f5 | 928dd177 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2023/02/17 19:54 | upstream | ec35307e18ba | cf8c2d39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/23 22:59 | upstream | eb7081409f94 | 52fdf57a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/20 04:50 | upstream | fe24a97cf254 | 5bb70014 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/19 23:04 | upstream | fe24a97cf254 | 5bb70014 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/14 03:45 | upstream | af7a05689189 | 7ba4d859 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/12 03:58 | upstream | eb037f16f7e8 | f42ee5d8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/05 20:39 | upstream | b208b9fbbcba | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/05 15:27 | upstream | b208b9fbbcba | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/11/02 06:51 | upstream | b229b6ca5abb | 08977f5d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/10/29 04:48 | upstream | b229b6ca5abb | 899d812a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/10/25 04:22 | upstream | 337a0a0b63f1 | 45645420 | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/10/12 10:40 | upstream | 493ffd6605b2 | 02b6492e | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/09/25 09:38 | upstream | 3db61221f4e8 | 0042f2b4 | .config | console log | report | info | ci2-upstream-fs | INFO: task hung in lookup_slow | |||
2022/09/21 19:52 | upstream | 06f7db949993 | 380f82fb | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/09/20 21:08 | upstream | 60891ec99e14 | c4b8ccfd | .config | console log | report | info | [disk image] [vmlinux] | ci2-upstream-fs | INFO: task hung in lookup_slow | ||
2022/06/23 10:39 | upstream | 3abc3ae553c7 | 912f5df7 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in lookup_slow | |||
2023/09/16 04:42 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe4469582053 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2023/09/14 14:28 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | fe4469582053 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2023/01/28 21:57 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | c62c88e05937 | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/12/30 02:20 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | a5541c0811a0 | 44712fbc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/11/13 13:49 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 1621b6eaebf7 | 3ead01ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/11/07 03:35 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | bbed346d5a96 | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/11/06 14:01 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | bbed346d5a96 | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/11/06 03:17 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | bbed346d5a96 | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | ||
2022/09/04 19:43 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 85413d1e802e | 28811d0a | .config | console log | report | info | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow | |||
2022/08/20 09:27 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 680fb5b009e8 | 26a13b38 | .config | console log | report | info | ci-upstream-gce-arm64 | INFO: task hung in lookup_slow |