Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/07/14 | linux-5.15.y (ToT) | f45bea23c39c | C | [report] INFO: task hung in ext4_quota_write |
2024/07/14 | upstream (ToT) | 4d145e3f830b | C | Didn't crash |
syzbot |
sign-in | mailing list | source | docs |
Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/07/14 | linux-5.15.y (ToT) | f45bea23c39c | C | [report] INFO: task hung in ext4_quota_write |
2024/07/14 | upstream (ToT) | 4d145e3f830b | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-6.1 | INFO: task hung in ext4_quota_write origin:upstream missing-backport | C | done | 9 | 77d | 317d | 3/3 | fixed on 2024/10/08 03:39 | |
upstream | INFO: task hung in ext4_quota_write ext4 | C | inconclusive | 22 | 207d | 312d | 25/28 | fixed on 2024/06/05 13:52 | |
linux-5.15 | INFO: task hung in ext4_quota_write | 2 | 317d | 317d | 0/3 | auto-obsoleted due to no activity on 2024/04/05 13:59 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/04 00:57 | 14m | retest repro | linux-5.15.y | report log | |
2024/10/04 00:57 | 14m | retest repro | linux-5.15.y | report log | |
2024/10/04 00:57 | 14m | retest repro | linux-5.15.y | report log |
INFO: task syz-executor222:3978 blocked for more than 143 seconds. Not tainted 5.15.163-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor222 state:D stack: 0 pid: 3978 ppid: 3977 flags:0x00000005 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 io_schedule+0x8c/0x194 kernel/sched/core.c:8484 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209 __wait_on_bit_lock+0xcc/0x1f0 kernel/sched/wait_bit.c:90 out_of_line_wait_on_bit_lock+0x194/0x21c kernel/sched/wait_bit.c:117 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer+0x80/0xc0 fs/buffer.c:69 lock_buffer include/linux/buffer_head.h:402 [inline] ext4_quota_write+0x378/0x564 fs/ext4/super.c:6581 qtree_write_dquot+0x1dc/0x488 fs/quota/quota_tree.c:422 v2_write_dquot+0xf4/0x188 fs/quota/quota_v2.c:358 dquot_commit+0x14c/0x240 fs/quota/dquot.c:514 ext4_write_dquot+0x1b4/0x314 fs/ext4/super.c:6172 ext4_mark_dquot_dirty+0xe8/0x140 fs/ext4/super.c:6232 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0x108/0x424 fs/quota/dquot.c:412 dquot_alloc_inode+0x6cc/0xdb0 fs/quota/dquot.c:1800 ext4_xattr_inode_alloc_quota fs/ext4/xattr.c:883 [inline] ext4_xattr_set_entry+0x958/0x3094 fs/ext4/xattr.c:1665 ext4_xattr_block_set+0x55c/0x2dcc fs/ext4/xattr.c:1920 ext4_xattr_set_handle+0xb04/0x12d8 fs/ext4/xattr.c:2406 ext4_xattr_set+0x1dc/0x350 fs/ext4/xattr.c:2507 ext4_xattr_user_set+0xd4/0xfc fs/ext4/xattr_user.c:41 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277 vfs_setxattr+0x1a8/0x344 fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x250/0x2b4 fs/xattr.c:611 path_setxattr+0x17c/0x258 fs/xattr.c:630 __do_sys_setxattr fs/xattr.c:646 [inline] __se_sys_setxattr fs/xattr.c:642 [inline] __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:642 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014b214e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by getty/3732: #0: ffff0000d2a03098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a32e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 6 locks held by syz-executor222/3978: #0: ffff0000ce69a460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377 #1: ffff0000dbcaabd0 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #1: ffff0000dbcaabd0 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302 #2: ffff0000dbcaa8a8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff0000dbcaa8a8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x1e0/0x12d8 fs/ext4/xattr.c:2321 #3: ffff800014c38af8 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:311 #4: ffff0000dbde60a8 (&dquot->dq_lock){+.+.}-{3:3}, at: dquot_commit+0x54/0x240 fs/quota/dquot.c:507 #5: ffff0000ce69a208 (&s->s_dquot.dqio_sem){++++}-{3:3}, at: v2_write_dquot+0x84/0x188 fs/quota/quota_v2.c:356 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/07/24 03:05 | linux-5.15.y | 7c6d66f0266f | e50e8da5 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | |
2024/07/14 22:29 | linux-5.15.y | f45bea23c39c | eaeb5c15 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | |
2024/07/13 08:53 | linux-5.15.y | f45bea23c39c | eaeb5c15 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | |
2024/08/29 08:34 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in ext4_quota_write | ||
2024/08/29 08:34 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in ext4_quota_write | ||
2024/08/29 08:34 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in ext4_quota_write | ||
2024/08/29 07:19 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | ||
2024/08/29 07:11 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | ||
2024/08/29 07:11 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | ||
2024/08/29 07:06 | linux-5.15.y | fa93fa65db6e | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write | ||
2024/05/03 23:58 | linux-5.15.y | 284087d4f7d5 | dd26401e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in ext4_quota_write |