INFO: task syz-executor.0:7985 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28880 pid:7985 tgid:7983 ppid:5563 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 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
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
__fdget_pos+0x259/0x320 fs/file.c:1191
fdget_pos include/linux/file.h:76 [inline]
ksys_write+0x82/0x2c0 fs/read_write.c:634
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: 0033:0x7fb32b47dea9
RSP: 002b:00007fb32c2270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb32b5ac050 RCX: 00007fb32b47dea9
RDX: 000000000000f000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007fb32b4ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb32b5ac050 R15: 00007ffd5fc63b98
Showing all locks held in the system:
3 locks held by kworker/0:1/8:
1 lock held by khungtaskd/29:
#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
3 locks held by kworker/u8:4/64:
2 locks held by getty/4838:
#0: ffff88802a80e0a0 (&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 syz-executor.3/7962:
#0: ffff88805c663748 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x259/0x320 fs/file.c:1191
#1: ffff888060702420 (sb_writers#25){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2855 [inline]
#1: ffff888060702420 (sb_writers#25){.+.+}-{0:0}, at: vfs_write+0x233/0xcb0 fs/read_write.c:586
#2: ffff888011efb900 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#2: ffff888011efb900 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: generic_file_write_iter+0x83/0x310 mm/filemap.c:4092
#3: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#3: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
1 lock held by syz-executor.3/7963:
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
4 locks held by syz-executor.0/7984:
1 lock held by syz-executor.0/7985:
#0: ffff8880240a39c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x259/0x320 fs/file.c:1191
1 lock held by syz-executor.0/7986:
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
4 locks held by syz-executor.1/8138:
1 lock held by syz-executor.1/8139:
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:850 [inline]
#0: ffff88801d4a3748 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xfb/0x7a0 mm/readahead.c:225
1 lock held by syz-executor.0/8148:
#0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.5/10072:
2 locks held by syz-executor.1/10077:
2 locks held by syz-executor.4/10097:
#0: ffff8880735ea010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#0: ffff8880735ea010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
#0: ffff8880735ea010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421
#1: ffff88807a1e9258 (sk_lock-AF_CAN){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1673 [inline]
#1: ffff88807a1e9258 (sk_lock-AF_CAN){+.+.}-{0:0}, at: bcm_release+0x1ec/0x880 net/can/bcm.c:1569
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #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+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/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: 64 Comm: kworker/u8:4 Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
RIP: 0010:unwind_next_frame+0x1df5/0x2a00 arch/x86/kernel/unwind_orc.c:665
Code: 48 89 df e8 3d 41 b9 00 4d 39 e6 77 77 48 8b 1b 4c 39 e3 76 6f 4d 8d 7c 24 08 4c 89 e7 48 8b b4 24 90 00 00 00 e8 db a3 54 00 <4d> 39 f7 76 5c 49 39 df 77 57 4c 3b a4 24 90 00 00 00 77 4d 48 8b
RSP: 0018:ffffc900015d7308 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffc900015d8000 RCX: ffff888018720000
RDX: ffff888018720000 RSI: ffffc900015d77f8 RDI: ffffc900015d7840
RBP: ffffc900015d73e0 R08: ffffffff81415d65 R09: ffffffff814158df
R10: 0000000000000003 R11: ffff888018720000 R12: ffffc900015d7840
R13: dffffc0000000000 R14: ffffc900015d0000 R15: ffffc900015d7848
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe9e97cde8 CR3: 00000000344d0000 CR4: 0000000000350ef0
Call Trace:
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
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:579
poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2106 [inline]
slab_free mm/slub.c:4280 [inline]
kfree+0x153/0x3a0 mm/slub.c:4390
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1b1e/0x2d70 net/mac80211/ibss.c:1605
ieee80211_iface_process_skb net/mac80211/iface.c:1605 [inline]
ieee80211_iface_work+0x8a3/0xf10 net/mac80211/iface.c:1659
cfg80211_wiphy_work+0x223/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335
worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
kthread+0x2f2/0x390 kernel/kthread.c:388
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244