INFO: task syz-executor.0:9258 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24664 pid:9258 tgid:9258 ppid:8641 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
do_sync_mmap_readahead+0x444/0x850
filemap_fault+0x7e5/0x16a0 mm/filemap.c:3289
__do_fault+0x135/0x460 mm/memory.c:4531
do_shared_fault mm/memory.c:4954 [inline]
do_fault mm/memory.c:5028 [inline]
do_pte_missing mm/memory.c:3880 [inline]
handle_pte_fault mm/memory.c:5300 [inline]
__handle_mm_fault+0x2361/0x7240 mm/memory.c:5441
handle_mm_fault+0x27f/0x770 mm/memory.c:5606
do_user_addr_fault arch/x86/mm/fault.c:1362 [inline]
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x446/0x8e0 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fc1a905ef2b
RSP: 002b:00007ffc24d200c8 EFLAGS: 00010202
RAX: 0000000020000040 RBX: 0000000000000004 RCX: 0000000000337366
RDX: 0000000000000006 RSI: 000000007366746e RDI: 0000000020000040
RBP: 00007fc1a91ad980 R08: 00007fc1a9000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 0000000000059a19
R13: 00000000000599e7 R14: 00007ffc24d20270 R15: 00007fc1a9034cb0
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
1 lock held by klogd/4514:
#0: ffff8880b943e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
2 locks held by getty/4826:
#0: ffff88802f1b10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
4 locks held by kworker/1:4/5132:
#0: ffff8880b953e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffffffff8e334d80 (rcu_read_lock_bh){....}-{1:2}, at: local_bh_disable include/linux/bottom_half.h:20 [inline]
#2: ffffffff8e334d80 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:833 [inline]
#2: ffffffff8e334d80 (rcu_read_lock_bh){....}-{1:2}, at: keep_key_fresh drivers/net/wireguard/send.c:129 [inline]
#2: ffffffff8e334d80 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline]
#2: ffffffff8e334d80 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_tx_worker+0x25f/0x810 drivers/net/wireguard/send.c:276
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#3: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: ip6_input_finish+0xdb/0x2d0 net/ipv6/ip6_input.c:482
1 lock held by syz-executor.1/7219:
1 lock held by syz-executor.0/9258:
#0: ffff88801d4b0948 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff88801d4b0948 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
1 lock held by syz-executor.4/10391:
#0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.1/11080:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7219 Comm: syz-executor.1 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:blk_mq_get_tag+0x4af/0xb10 block/blk-mq-tag.c:218
Code: d6 00 00 00 e8 d2 c8 0a fd 48 8b 7c 24 30 4c 8b 7c 24 10 48 8b 74 24 08 48 8d 94 24 a0 00 00 00 e8 36 55 55 00 48 8b 44 24 40 <42> 80 3c 30 00 74 08 4c 89 ff e8 02 da 6b fd 49 8b 1f 48 83 c3 50
RSP: 0018:ffffc900036ef5a0 EFLAGS: 00000246
RAX: 1ffff920006ddf22 RBX: ffff888020d9ee10 RCX: 0000000000040000
RDX: ffffc900094f9000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900036ef6f0 R08: ffffffff848b35bc R09: 1ffff11004159890
R10: dffffc0000000000 R11: ffffed1004159891 R12: 1ffff920006ddec4
R13: 000000000000001b R14: dffffc0000000000 R15: ffffc900036ef910
FS: 00007f0d46a8f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000054270000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__blk_mq_alloc_requests+0xb66/0x1610 block/blk-mq.c:499
blk_mq_get_new_requests block/blk-mq.c:2886 [inline]
blk_mq_submit_bio+0xb60/0x2010 block/blk-mq.c:2984
__submit_bio+0x23e/0x2f0 block/blk-core.c:621
__submit_bio_noacct_mq block/blk-core.c:700 [inline]
submit_bio_noacct_nocheck+0xb25/0xe10 block/blk-core.c:729
blk_next_bio+0x113/0x150 block/bio.c:355
__blkdev_issue_zero_pages+0x1d7/0x320 block/blk-lib.c:177
blkdev_issue_zeroout+0x29c/0x420 block/blk-lib.c:269
blkdev_fallocate+0x448/0x550 block/fops.c:810
vfs_fallocate+0x564/0x6c0 fs/open.c:330
ksys_fallocate fs/open.c:353 [inline]
__do_sys_fallocate fs/open.c:361 [inline]
__se_sys_fallocate fs/open.c:359 [inline]
__x64_sys_fallocate+0xbd/0x110 fs/open.c:359
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d45c7dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0d46a8f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f0d45dabf80 RCX: 00007f0d45c7dea9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000008
RBP: 00007f0d45cca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0400000000050000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0d45dabf80 R15: 00007ffe8d1cf118