INFO: task syz-executor.1:10308 blocked for more than 143 seconds.
Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:18536 pid:10308 tgid:10307 ppid:8926 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
__bch2_two_state_lock+0x1b6/0x230 fs/bcachefs/two_state_shared_lock.c:7
bch2_two_state_lock fs/bcachefs/two_state_shared_lock.h:56 [inline]
bch2_readahead+0x59e/0x1310 fs/bcachefs/fs-io-buffered.c:269
read_pages+0x1a8/0xd80 mm/readahead.c:160
page_cache_ra_order+0x78a/0xa80 mm/readahead.c:535
ondemand_readahead+0x520/0x1140 mm/readahead.c:669
page_cache_async_ra mm/readahead.c:718 [inline]
page_cache_async_ra+0x123/0x150 mm/readahead.c:700
filemap_readahead mm/filemap.c:2504 [inline]
filemap_get_pages+0x357/0x1830 mm/filemap.c:2545
filemap_splice_read+0x5c3/0xd00 mm/filemap.c:2894
do_splice_read fs/splice.c:985 [inline]
do_splice_read+0x294/0x380 fs/splice.c:959
splice_direct_to_actor+0x2a4/0xa40 fs/splice.c:1089
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x17e/0x250 fs/splice.c:1233
do_sendfile+0xb1e/0xe50 fs/read_write.c:1295
__do_sys_sendfile64 fs/read_write.c:1362 [inline]
__se_sys_sendfile64 fs/read_write.c:1348 [inline]
__x64_sys_sendfile64+0x1da/0x220 fs/read_write.c:1348
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f20a7cf69
RSP: 002b:00007f5f2185b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f5f20bb3f80 RCX: 00007f5f20a7cf69
RDX: 0000000000000000 RSI: 000000000000000b RDI: 000000000000000a
RBP: 00007f5f20ada6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000100000001 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5f20bb3f80 R15: 00007ffe0c250678
INFO: task syz-executor.1:10315 blocked for more than 144 seconds.
Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27088 pid:10315 tgid:10307 ppid:8926 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
io_schedule+0xbf/0x130 kernel/sched/core.c:9043
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1307
folio_lock include/linux/pagemap.h:1056 [inline]
truncate_inode_pages_range+0xb93/0xe80 mm/truncate.c:412
truncate_inode_pages mm/truncate.c:439 [inline]
truncate_pagecache+0x65/0x90 mm/truncate.c:732
bchfs_truncate+0x523/0xd70 fs/bcachefs/fs-io.c:453
bch2_setattr+0x1ab/0x250 fs/bcachefs/fs.c:916
notify_change+0x742/0x11f0 fs/attr.c:497
do_truncate+0x15c/0x220 fs/open.c:65
handle_truncate fs/namei.c:3308 [inline]
do_open fs/namei.c:3654 [inline]
path_openat+0x2505/0x29f0 fs/namei.c:3807
do_filp_open+0x1dc/0x430 fs/namei.c:3834
do_sys_openat2+0x17a/0x1e0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_creat fs/open.c:1496 [inline]
__se_sys_creat fs/open.c:1490 [inline]
__x64_sys_creat+0xcd/0x120 fs/open.c:1490
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f20a7cf69
RSP: 002b:00007f5f2183a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f5f20bb4050 RCX: 00007f5f20a7cf69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200
RBP: 00007f5f20ada6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5f20bb4050 R15: 00007ffe0c250678
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8dbb1920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8dbb1920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8dbb1920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by getty/4844:
#0: ffff88802af2a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-fuzzer/5092:
4 locks held by kworker/u8:2/8367:
#0: ffff8880162d3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc900031efd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2: ffffffff8f736690 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
#3: ffffffff8f74b928 (rtnl_mutex){+.+.}-{3:3}, at: tc_action_net_exit include/net/act_api.h:173 [inline]
#3: ffffffff8f74b928 (rtnl_mutex){+.+.}-{3:3}, at: gate_exit_net+0x24/0x130 net/sched/act_gate.c:659
1 lock held by syz-executor.1/10308:
#0: ffff888055dd1928 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:846 [inline]
#0: ffff888055dd1928 (mapping.invalidate_lock#7){.+.+}-{3:3}, at: page_cache_ra_order+0x2ee/0xa80 mm/readahead.c:514
2 locks held by syz-executor