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[syzbot] Monthly integrity report (Nov 2024) | 0 (1) | 2024/11/06 08:33 |
[syzbot] [integrity?] [lsm?] [erofs?] INFO: task hung in ima_file_free (4) | 0 (1) | 2024/11/02 15:21 |
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Title | Replies (including bot) | Last reply |
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[syzbot] Monthly integrity report (Nov 2024) | 0 (1) | 2024/11/06 08:33 |
[syzbot] [integrity?] [lsm?] [erofs?] INFO: task hung in ima_file_free (4) | 0 (1) | 2024/11/02 15:21 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in ima_file_free (2) integrity lsm | 3 | 678d | 688d | 0/28 | auto-obsoleted due to no activity on 2023/04/11 01:41 | |||
upstream | INFO: task hung in ima_file_free (3) integrity lsm | 8 | 114d | 151d | 0/28 | auto-obsoleted due to no activity on 2024/10/14 00:32 | |||
upstream | INFO: task hung in ima_file_free integrity lsm | 1 | 1026d | 1026d | 0/28 | closed as invalid on 2022/02/08 09:50 |
INFO: task syz-executor688:5342 blocked for more than 143 seconds. Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor688 state:D stack:25920 pid:5342 tgid:5342 ppid:5339 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x18af/0x4bd0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 ima_check_last_writer security/integrity/ima/ima_main.c:166 [inline] ima_file_free+0x17f/0x4d0 security/integrity/ima/ima_main.c:205 security_file_release+0x92/0x140 security/security.c:2873 __fput+0x1ae/0x880 fs/file_table.c:425 __do_sys_close fs/open.c:1567 [inline] __se_sys_close fs/open.c:1552 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1552 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd7dd29cdda RSP: 002b:00007ffd572b6bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd7dd29cdda RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000032 R08: 0000000000000000 R09: 7fffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd7dd32560c R13: 0000000000000009 R14: 0000000000040e1f R15: 0000000000040e51 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/25: #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720 2 locks held by getty/5108: #0: ffff88801fa510a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000039b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by syz-executor688/5342: #0: ffff88803f594398 (&ima_iint_mutex_key[depth]#2){+.+.}-{3:3}, at: ima_check_last_writer security/integrity/ima/ima_main.c:166 [inline] #0: ffff88803f594398 (&ima_iint_mutex_key[depth]#2){+.+.}-{3:3}, at: ima_file_free+0x17f/0x4d0 security/integrity/ima/ima_main.c:205 1 lock held by syz-executor688/5343: ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/29 15:14 | upstream | e42b1a9a2557 | 66aeb999 | .config | console log | report | syz / log | C | [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] | ci-snapshot-upstream-root | INFO: task hung in ima_file_free |