Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/26 | upstream (ToT) | 6995e2de6891 | C | [report] INFO: task hung in nbd_ioctl |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/26 | upstream (ToT) | 6995e2de6891 | C | [report] INFO: task hung in nbd_ioctl |
INFO: task syz-executor107:3989 blocked for more than 143 seconds. Not tainted 5.15.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor107 state:D stack: 0 pid: 3989 ppid: 3988 flags:0x0000000d 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 schedule_timeout+0xb8/0x344 kernel/time/timer.c:1890 do_wait_for_common+0x214/0x388 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x4c/0x64 kernel/sched/completion.c:138 flush_workqueue+0x580/0x11c4 kernel/workqueue.c:2882 nbd_start_device_ioctl drivers/block/nbd.c:1365 [inline] __nbd_ioctl drivers/block/nbd.c:1427 [inline] nbd_ioctl+0x8c8/0xc2c drivers/block/nbd.c:1467 blkdev_ioctl+0x3d8/0xbd0 block/ioctl.c:604 block_ioctl+0xa8/0x114 block/fops.c:493 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __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: ffff800014b114e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by kworker/u5:0/145: #0: ffff0000cbea4138 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff80001a437c00 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 2 locks held by getty/3718: #0: ffff0000d2def098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff800018e132e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/26 03:27 | linux-5.15.y | c52b9710c83d | 8bdc0f22 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl | |
2024/04/26 01:56 | linux-5.15.y | c52b9710c83d | 8bdc0f22 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl | |
2023/06/26 06:58 | linux-5.15.y | f67653019430 | 79782afc | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl | |
2023/08/19 16:34 | linux-5.15.y | f6f7927ac664 | d216d8a0 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nbd_ioctl | |
2024/04/06 08:19 | linux-5.15.y | 9465fef4ae35 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nbd_ioctl | ||
2024/04/06 08:13 | linux-5.15.y | 9465fef4ae35 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nbd_ioctl | ||
2024/03/17 04:27 | linux-5.15.y | b95c01af2113 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nbd_ioctl | ||
2024/01/31 23:32 | linux-5.15.y | 6139f2a02fe0 | 373b66cd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nbd_ioctl | ||
2024/03/29 00:22 | linux-5.15.y | 9465fef4ae35 | e91187ee | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl | ||
2024/03/17 04:05 | linux-5.15.y | b95c01af2113 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl | ||
2024/02/06 13:03 | linux-5.15.y | 6139f2a02fe0 | 6404acf9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in nbd_ioctl |