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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in rmap_walk_file mm | 1 | C | error | 19 | 27d | 157d | 0/29 | upstream: reported C repro on 2025/02/07 07:07 | |
| android-414 | INFO: task hung in rmap_walk_file | 1 | 4 | 2263d | 2283d | 0/1 | auto-closed as invalid on 2019/10/25 08:51 |
Bluetooth: hci4 command 0x0406 tx timeout
Bluetooth: hci3 command 0x0406 tx timeout
Bluetooth: hci2 command 0x0406 tx timeout
Bluetooth: hci0 command 0x0406 tx timeout
Bluetooth: hci5 command 0x0406 tx timeout
INFO: task kswapd0:1946 blocked for more than 140 seconds.
Not tainted 4.14.262-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kswapd0 D28632 1946 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline]
rwsem_down_read_failed+0x1e6/0x350 kernel/locking/rwsem-xadd.c:309
call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x44/0x80 kernel/locking/rwsem.c:26
i_mmap_lock_read include/linux/fs.h:483 [inline]
rmap_walk_file+0x50e/0x7c0 mm/rmap.c:1828
rmap_walk+0xc4/0x150 mm/rmap.c:1857
try_to_unmap+0x243/0x2c0 mm/rmap.c:1673
shrink_page_list+0x1045/0x2fd0 mm/vmscan.c:1197
shrink_inactive_list+0x467/0x16c0 mm/vmscan.c:1825
shrink_list mm/vmscan.c:2177 [inline]
shrink_node_memcg+0x7a8/0x1190 mm/vmscan.c:2445
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/01/18 07:47 | linux-4.14.y | 4ba8e26127c3 | 731a2d23 | .config | console log | report | info | ci2-linux-4-14 | INFO: task hung in rmap_walk_file |