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🐞 Open [976] 🐞 Fixed [3871] 🐞 Invalid [8352] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | INFO: task hung in xlog_grant_head_check | C | inconclusive | 7 | 717d | 871d | 0/1 | upstream: reported C repro on 2020/02/10 12:53 | |
linux-4.19 | INFO: task hung in xlog_grant_head_check | 1 | 1100d | 1100d | 0/1 | auto-closed as invalid on 2019/10/25 08:51 | |||
linux-4.19 | INFO: task hung in xlog_grant_head_check (2) | 3 | 741d | 789d | 0/1 | auto-closed as invalid on 2020/10/17 16:39 |
INFO: task syz-executor070:10344 blocked for more than 143 seconds. Not tainted 5.6.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor070 D26960 10344 10342 0x00004000 Call Trace: schedule+0xd0/0x2a0 kernel/sched/core.c:4154 xlog_grant_head_wait+0x422/0xd40 fs/xfs/xfs_log.c:278 xlog_grant_head_check+0x3b9/0x410 fs/xfs/xfs_log.c:340 xfs_log_reserve+0x34b/0xac0 fs/xfs/xfs_log.c:465 xfs_log_write_unmount_record+0x167/0x880 fs/xfs/xfs_log.c:890 xfs_log_unmount_write fs/xfs/xfs_log.c:986 [inline] xfs_log_quiesce+0x397/0x510 fs/xfs/xfs_log.c:1049 xfs_log_unmount+0x1d/0xb0 fs/xfs/xfs_log.c:1063 xfs_mountfs+0x15ea/0x1f80 fs/xfs/xfs_mount.c:1022 xfs_fc_fill_super+0x89b/0x1220 fs/xfs/xfs_super.c:1495 get_tree_bdev+0x3f8/0x710 fs/super.c:1342 vfs_get_tree+0x89/0x2f0 fs/super.c:1547 do_new_mount fs/namespace.c:2822 [inline] do_mount+0x1306/0x1a60 fs/namespace.c:3107 __do_sys_mount fs/namespace.c:3316 [inline] __se_sys_mount fs/namespace.c:3293 [inline] __x64_sys_mount+0x18f/0x230 fs/namespace.c:3293 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44761a Code: 6d 77 72 00 73 74 72 65 61 6d 20 77 72 69 74 65 72 00 77 65 20 68 61 64 20 61 20 66 69 6c 65 20 63 68 61 6e 67 65 20 6f 6e 20 <27> 25 73 27 0a 00 66 69 6c 65 20 25 64 20 72 65 61 64 20 25 6c 64 RSP: 002b:00007ffdbbec0258 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffdbbec0430 RCX: 000000000044761a RDX: 00007ffdbbec02a0 RSI: 0000000020000000 RDI: 00007ffdbbec02c0 RBP: 0000000000000000 R08: 00007ffdbbec0300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000402900 R13: 0000000000402990 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/992: #0: ffffffff897accc0 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5331 1 lock held by rsyslogd/10193: #0: ffff8880a779cda0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 fs/file.c:821 2 locks held by getty/10315: #0: ffff8880923ec090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018332e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10316: #0: ffff8880a03f9090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018c32e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10317: #0: ffff888097399090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018b32e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10318: #0: ffff8880a7df2090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018932e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10319: #0: ffff888099b3e090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018832e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10320: #0: ffff88809f304090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018a32e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 2 locks held by getty/10321: #0: ffff8880a2797090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267 #1: ffffc900018032e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156 1 lock held by syz-executor070/10344: #0: ffff88809faee0d8 (&type->s_umount_key#55/1){+.+.}, at: alloc_super+0x152/0x910 fs/super.c:229 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 992 Comm: khungtaskd Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x231/0x27e lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xa8c/0x1010 kernel/hung_task.c:289 kthread+0x357/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-selinux-root | 2020/03/11 06:50 | upstream | f35111a94654 | 35f53e45 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-root | 2020/03/08 12:10 | upstream | c20037652700 | 2e9971bb | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-smack-root | 2020/03/05 15:55 | upstream | 63623fd44972 | c88c7b75 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-root | 2018/05/20 18:12 | upstream | 203ec2fed17a | f48c20b8 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-selinux-root | 2020/07/01 07:11 | upstream | 9ebcfadb0610 | 917afeaa | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2019/02/16 17:08 | upstream | 5ded5871030e | f42dee6d | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2019/02/11 02:37 | upstream | df3865f8f568 | b4f792e4 | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2019/02/08 23:48 | upstream | 74e96711e337 | fa6c7b70 | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2019/02/03 14:09 | upstream | 12491ed354d2 | c198d5dd | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2019/02/03 14:03 | upstream | 12491ed354d2 | c198d5dd | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2019/01/21 02:01 | upstream | 6e693b3ffecb | fd37a550 | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2019/01/21 01:52 | upstream | 6e693b3ffecb | fd37a550 | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2019/01/15 21:35 | upstream | fe76fc6aaf53 | 79cb1a7c | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2019/01/10 07:00 | upstream | 4064e47c8281 | 45c0c1b1 | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2019/01/09 19:33 | upstream | a88cc8da0279 | 45c0c1b1 | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/12/25 16:12 | upstream | 8fe28cb58bcb | 8a41a0ad | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/12/16 03:05 | upstream | 6531e115b7ab | def91db3 | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2018/12/16 01:51 | upstream | 6531e115b7ab | def91db3 | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/12/15 13:52 | upstream | 6531e115b7ab | c9128939 | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2018/12/11 16:11 | upstream | f5d582777bcb | 7795ae03 | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/12/10 16:30 | upstream | 40e020c129cf | 6565f24d | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/12/09 17:05 | upstream | 8214bdf7d3e6 | 979179d6 | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2018/12/03 16:43 | upstream | 2595646791c3 | 819002b0 | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2018/11/25 14:29 | upstream | e195ca6cb6f2 | 3d3ec907 | .config | log | report | ||||
ci-upstream-kasan-gce-smack-root | 2018/11/10 11:55 | upstream | aa4330e15c26 | f9815aaf | .config | log | report | ||||
ci-upstream-kasan-gce-root | 2018/10/10 02:17 | upstream | 64c5e530ac2c | 8b311eaf | .config | log | report | ||||
ci-upstream-kasan-gce-selinux-root | 2018/10/05 15:41 | upstream | befad944e231 | 8b311eaf | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2020/07/16 08:56 | linux-next | ca0e494af5ed | f3bec699 | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/02/18 17:05 | linux-next | cb916fc5eabf | 59f36113 | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/02/11 19:58 | linux-next | d4104460aec1 | 73f5f452 | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/02/04 18:58 | linux-next | dc4c89997735 | d672172c | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/01/26 02:58 | linux-next | 494367cb57c9 | ebf7a37c | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/01/17 19:52 | linux-next | a37d50ca3b83 | 769e75ed | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2019/01/12 05:31 | linux-next | b808822a75a3 | c3f3344c | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2018/12/05 04:26 | linux-next | 442b8cea2477 | f162ad97 | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2018/10/16 01:15 | linux-next | ca0591d03a2d | 8cd30605 | .config | log | report | ||||
ci-upstream-linux-next-kasan-gce-root | 2018/10/12 02:44 | linux-next | 771b65e89c8a | ba6ddb43 | .config | log | report |