INFO: task syz.9.493:11589 blocked for more than 143 seconds.
Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.493 state:D stack:23840 pid:11589 tgid:11587 ppid:8741 flags:0x00004004
Call Trace:
<TASK>
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
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
exfat_iterate+0x4e1/0x2ce0 fs/exfat/dir.c:237
wrap_directory_iterator+0x91/0xd0 fs/readdir.c:65
iterate_dir+0x571/0x800 fs/readdir.c:108
__do_sys_getdents64 fs/readdir.c:403 [inline]
__se_sys_getdents64+0x1e2/0x4b0 fs/readdir.c:389
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd33d7ff19
RSP: 002b:00007efd34b37058 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007efd33f45fa0 RCX: 00007efd33d7ff19
RDX: 0000000000001000 RSI: 0000000020001a80 RDI: 0000000000000005
RBP: 00007efd33df3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efd33f45fa0 R15: 00007ffd57bad628
</TASK>
INFO: task syz.9.493:11596 blocked for more than 143 seconds.
Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.493 state:D stack:25952 pid:11596 tgid:11587 ppid:8741 flags:0x00000004
Call Trace:
<TASK>
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_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
ima_file_check+0xd9/0x120 security/integrity/ima/ima_main.c:572
security_file_post_open+0xb9/0x280 security/security.c:3121
do_open fs/namei.c:3830 [inline]
path_openat+0x2ccd/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_open fs/open.c:1425 [inline]
__se_sys_open fs/open.c:1421 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1421
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd33d7ff19
RSP: 002b:00007efd34af5058 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007efd33f46160 RCX: 00007efd33d7ff19
RDX: 0000000000000008 RSI: 0000000000002000 RDI: 0000000020001b80
RBP: 00007efd33df3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efd33f46160 R15: 00007ffd57bad628
</TASK>
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
3 locks held by kworker/u8:1/12:
1 lock held by rcu_exp_gp_kthr/19:
3 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
6 locks held by kworker/u8:2/35:
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fc90c50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:586
#3: ffff88805a8730e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff88805a8730e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff88805a8730e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff888078e92250 (&devlink->lock_key#29){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff888078e92250 (&devlink->lock_key#29){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff888078e92250 (&devlink->lock_key#29){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:816
5 locks held by kworker/u8:4/66:
2 locks held by kworker/0:2/974:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9000419fd00 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000419fd00 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
3 locks held by kworker/u8:5/1005:
#0: ffff888031285148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff888031285148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9000430fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000430fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4215
1 lock held by dhcpcd/5488:
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129
2 locks held by getty/5572:
#0: ffff888035e190a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by syz.9.493/11589:
#0: ffff8880318b8478 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x254/0x320 fs/file.c:1191
#1: ffff888055033620 (&sb->s_type->i_mutex_key#37){++++}-{4:4}, at: wrap_directory_iterator+0x5a/0xd0 fs/readdir.c:54
#2: ffff8880792200e8 (&sbi->s_lock#2){+.+.}-{4:4}, at: exfat_iterate+0x4e1/0x2ce0 fs/exfat/dir.c:237
5 locks held by syz.9.493/11594:
1 lock held by syz.9.493/11596:
#0: ffff888055033c90 (&sb->s_type->i_mutex_key#37){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888055033c90 (&sb->s_type->i_mutex_key#37){++++}-{4:4}, at: process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
1 lock held by syz-executor/12944:
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
3 locks held by syz-executor/12967:
#0: ffffffff8fcffa10 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8fcff8c8 (genl_mutex){+.+.}-{4:4}, at: genl_lock net/netlink/genetlink.c:35 [inline]
#1: ffffffff8fcff8c8 (genl_mutex){+.+.}-{4:4}, at: genl_op_lock net/netlink/genetlink.c:60 [inline]
#1: ffffffff8fcff8c8 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
#2: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: wg_set_device+0x102/0x2160 drivers/net/wireguard/netlink.c:504
1 lock held by syz-executor/13196:
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline]
#0: ffffffff8fc9d0c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xd04/0x24f0 net/core/rtnetlink.c:4006
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__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
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 66 Comm: kworker/u8:4 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_sta_get_rates+0x2f3/0x660 net/mac80211/util.c:1569
Code: bf ff 00 00 00 89 de e8 9b 85 5a f6 84 db 0f 99 c0 44 08 f0 88 44 24 07 4c 8b 74 24 28 49 bc 00 00 00 00 00 fc ff df 45 31 ff <4c> 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 67 3e c2 f6
RSP: 0018:ffffc9000215f798 EFLAGS: 00000203
RAX: ffffffff8b44f080 RBX: 000000000000000a RCX: ffff88801c7b0000
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00000000000000b4
RBP: 00000000000000b4 R08: ffffffff8b44efdc R09: 1ffffffff203036e
R10: dffffc0000000000 R11: fffffbfff203036f R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8880629eb0d0 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b2e47fc00 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
ieee80211_update_sta_info net/mac80211/ibss.c:989 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11e1/0x2d70 net/mac80211/ibss.c:1607
ieee80211_iface_process_skb net/mac80211/iface.c:1616 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1670
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
</TASK>