INFO: task syz-executor.0:6183 blocked for more than 143 seconds.
Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27168 pid:6183 tgid:6182 ppid:6120 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735
bdev_release+0x15a/0x6d0 block/bdev.c:1087
blkdev_release+0x15/0x20 block/fops.c:635
__fput+0x3f8/0xb60 fs/file_table.c:450
task_work_run+0x14e/0x250 kernel/task_work.c:239
get_signal+0x1d3/0x26c0 kernel/signal.c:2790
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f897a87cae9
RSP: 002b:00007f8979bfe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f897a99bf80 RCX: 00007f897a87cae9
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006
RBP: 00007f897a8c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f897a99bf80 R15: 00007fffe36bb688
INFO: task syz-executor.0:6189 blocked for more than 143 seconds.
Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28528 pid:6189 tgid:6182 ppid:6120 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735
bdev_open+0x41a/0xe20 block/bdev.c:904
bdev_file_open_by_dev block/bdev.c:1018 [inline]
bdev_file_open_by_dev+0x17d/0x210 block/bdev.c:993
disk_scan_partitions+0x1ed/0x320 block/genhd.c:367
blkdev_common_ioctl+0x686/0x2220 block/ioctl.c:617
blkdev_ioctl+0x1cd/0x6d0 block/ioctl.c:687
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
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: 0033:0x7f897a87cae9
RSP: 002b:00007f8979bdd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f897a99c050 RCX: 00007f897a87cae9
RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003
RBP: 00007f897a8c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f897a99c050 R15: 00007fffe36bb688
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
3 locks held by kworker/u8:5/1111:
#0: ffff8880b873ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff8880b8728a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987
#2: ffff88806b8f0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: wiphy_lock include/net/cfg80211.h:6019 [inline]
#2: ffff88806b8f0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x9d/0x560 net/wireless/core.c:426
2 locks held by getty/5568:
#0: ffff888032b690a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
1 lock held by udevd/6115:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
1 lock held by syz-executor.0/6183:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 block/bdev.c:1087
1 lock held by syz-executor.0/6189:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
1 lock held by syz-executor.0/6495:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
1 lock held by syz-executor.0/6496:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
1 lock held by syz-executor.0/6513:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
1 lock held by syz-executor.0/6514:
#0: ffff888025cdb4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20 block/bdev.c:904
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xf14/0x1240 kernel/hung_task.c:397
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5181 Comm: klogd Not tainted 6.13.0-rc3-syzkaller-00073-geabcdba3ad40 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x41/0xc0 kernel/rcu/tree.c:737
Code: 03 00 83 f8 07 89 c5 0f 87 82 00 00 00 48 8d 3c ed e0 6c a7 8d 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 5c 48 03 1c ed e0 6c a7 8d 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc90003f1f280 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000037f68 RCX: ffffffff81a1b425
RDX: 1ffffffff1b4ed9d RSI: ffffffff8bd1eb20 RDI: ffffffff8da76ce8
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff20be67a
R10: ffffffff905f33d7 R11: dffffc0000000000 R12: ffffea0000dbb2c0
R13: ffff88813fffbd58 R14: ffffed1027fff7aa R15: 0000000000000003
FS: 00007f3615aab500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c68e194600 CR3: 00000000358ee000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_irq_disable.constprop.0+0xea/0x140 include/trace/events/preemptirq.h:36
seqcount_lockdep_reader_access include/linux/seqlock.h:71 [inline]
read_seqbegin include/linux/seqlock.h:813 [inline]
zone_span_seqbegin include/linux/memory_hotplug.h:103 [inline]
page_outside_zone_boundaries mm/page_alloc.c:437 [inline]
bad_range+0x234/0x440 mm/page_alloc.c:456
rmqueue mm/page_alloc.c:3091 [inline]
get_page_from_freelist+0xfae/0x2f80 mm/page_alloc.c:3471
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab mm/slub.c:2589 [inline]
new_slab+0x2c9/0x410 mm/slub.c:2642
___slab_alloc+0xd7d/0x17a0 mm/slub.c:3830
__slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
__slab_alloc_node mm/slub.c:3995 [inline]
slab_alloc_node mm/slub.c:4156 [inline]
kmem_cache_alloc_node_noprof+0xfc/0x3c0 mm/slub.c:4220
__alloc_skb+0x2b1/0x380 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1323 [inline]
alloc_skb_with_frags+0xe4/0x850 net/core/skbuff.c:6612
sock_alloc_send_pskb+0x7f1/0x980 net/core/sock.c:2881
unix_dgram_sendmsg+0x4b8/0x19e0 net/unix/af_unix.c:2027
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
__sys_sendto+0x488/0x4f0 net/socket.c:2197
__do_sys_sendto net/socket.c:2204 [inline]
__se_sys_sendto net/socket.c:2200 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
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: 0033:0x7f3615c0d9b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc82b40c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3615c0d9b5
RDX: 0000000000000053 RSI: 000056502c00fbb0 RDI: 0000000000000003
RBP: 000056502c0092c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f3615d9b212 R14: 00007ffc82b40d78 R15: 0000000000000000