INFO: task syz.1.1182:10221 blocked for more than 143 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.1182 state:D stack:24600 pid:10221 tgid:10221 ppid:5820 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8a9/0x1490 mm/filemap.c:3344
__do_fault+0x135/0x390 mm/memory.c:4907
do_shared_fault mm/memory.c:5386 [inline]
do_fault mm/memory.c:5460 [inline]
do_pte_missing mm/memory.c:3979 [inline]
handle_pte_fault+0xfcf/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6112
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7ff4de45c6d9
RSP: 002b:00007ffda949a5c0 EFLAGS: 00010246
RAX: 0000000000000140 RBX: 0000000000000002 RCX: fffffffffffffeff
RDX: bb19711fbe43cf4b RSI: 0000000020000100 RDI: 000055557a1c23c8
RBP: 00007ff4de777ba0 R08: 00007ff4de400000 R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000005c1fb
R13: 00007ff4de775fa0 R14: 0000000000000032 R15: fffffffffffffffe
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
2 locks held by getty/5578:
#0: ffff8880318140a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz.0.831/9016:
1 lock held by syz.1.1182/10221:
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.2.1272/10545:
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
1 lock held by syz.6.1544/11770:
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blk_ioctl_zeroout block/ioctl.c:238 [inline]
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_common_ioctl+0x14f3/0x2460 block/ioctl.c:572
1 lock held by syz.5.1693/12328:
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
#0: ffff888023682bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller #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+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:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:unwind_get_return_address+0x9/0x90 arch/x86/kernel/unwind_orc.c:365
Code: ff ff e8 fa e1 74 0a 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 <48> 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f
RSP: 0018:ffffc90000bc75c0 EFLAGS: 00000202
RAX: 0000000080000001 RBX: ffffc90000bc75e0 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc90000bc0000 RDI: ffffc90000bc75e0
RBP: ffffc90000bc7670 R08: ffffc90000bc7dc0 R09: 0000000000000000
R10: ffffc90000bc7630 R11: fffff52000178ec8 R12: ffff8880212bbc00
R13: ffffffff818b3990 R14: ffffc90000bc76c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9292347ab8 CR3: 0000000043faa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kmem_cache_free+0x195/0x410 mm/slub.c:4715
skb_kfree_head net/core/skbuff.c:1084 [inline]
skb_free_head net/core/skbuff.c:1098 [inline]
skb_release_data+0x677/0x8a0 net/core/skbuff.c:1125
skb_release_all net/core/skbuff.c:1190 [inline]
__kfree_skb net/core/skbuff.c:1204 [inline]
sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242
kfree_skb_reason include/linux/skbuff.h:1263 [inline]
kfree_skb include/linux/skbuff.h:1272 [inline]
ieee80211_iface_work+0x272/0xf20 net/mac80211/iface.c:1669
cfg80211_wiphy_work+0x2db/0x480 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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