INFO: task syz.2.47:6115 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.47 state:D stack:20544 pid:6115 tgid:6114 ppid:5846 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5371 [inline]
__schedule+0x189f/0x4c80 kernel/sched/core.c:6758
__schedule_loop kernel/sched/core.c:6835 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6850
xlog_grant_head_wait+0x43b/0xa80 fs/xfs/xfs_log.c:266
xlog_grant_head_check+0x342/0x4f0
xfs_log_reserve+0x337/0x8c0 fs/xfs/xfs_log.c:436
xfs_trans_reserve+0x20a/0x640 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x40e/0x830 fs/xfs/xfs_trans.c:286
xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1098
xfs_attr_set+0x8a8/0x1420 fs/xfs/libxfs/xfs_attr.c:1100
xfs_xattr_set+0x1ff/0x350 fs/xfs/xfs_xattr.c:186
__vfs_setxattr+0x468/0x4a0 fs/xattr.c:200
__vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
vfs_setxattr+0x221/0x430 fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x2af/0x430 fs/xattr.c:665
path_setxattrat+0x440/0x510 fs/xattr.c:713
__do_sys_lsetxattr fs/xattr.c:754 [inline]
__se_sys_lsetxattr fs/xattr.c:750 [inline]
__x64_sys_lsetxattr+0xbf/0xe0 fs/xattr.c:750
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: 0033:0x7fb433b85d29
RSP: 002b:00007fb434a46038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fb433d75fa0 RCX: 00007fb433b85d29
RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 0000000020000100
RBP: 00007fb433c01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fe37 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb433d75fa0 R15: 00007ffe11ef6678
INFO: task syz.2.47:6155 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.47 state:D stack:26000 pid:6155 tgid:6114 ppid:5846 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5371 [inline]
__schedule+0x189f/0x4c80 kernel/sched/core.c:6758
__schedule_loop kernel/sched/core.c:6835 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6850
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6907
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:863 [inline]
process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
ima_file_check+0xd9/0x120 security/integrity/ima/ima_main.c:600
security_file_post_open+0xb9/0x280 security/security.c:3130
do_open fs/namei.c:3830 [inline]
path_openat+0x2cbd/0x3580 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_sys_openat fs/open.c:1458 [inline]
__se_sys_openat fs/open.c:1453 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1453
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: 0033:0x7fb433b85d29
RSP: 002b:00007fb434a25038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb433d76080 RCX: 00007fb433b85d29
RDX: 0000000000002040 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fb433c01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb433d76080 R15: 00007ffe11ef6678
INFO: task syz.2.47:6157 blocked for more than 145 seconds.
Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.47 state:D stack:25232 pid:6157 tgid:6114 ppid:5846 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5371 [inline]
__schedule+0x189f/0x4c80 kernel/sched/core.c:6758
__schedule_loop kernel/sched/core.c:6835 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6850
xlog_grant_head_wait+0x43b/0xa80 fs/xfs/xfs_log.c:266
xlog_grant_head_check+0x342/0x4f0
xfs_log_reserve+0x337/0x8c0 fs/xfs/xfs_log.c:436
xfs_trans_reserve+0x20a/0x640 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x40e/0x830 fs/xfs/xfs_trans.c:286
xfs_rename+0xb20/0x1e70 fs/xfs/xfs_inode.c:2179
xfs_vn_rename+0x388/0x4e0 fs/xfs/xfs_iops.c:500
vfs_rename+0xbdb/0xf00 fs/namei.c:5067
do_renameat2+0xd94/0x13f0 fs/namei.c:5224
__do_sys_rename fs/namei.c:5271 [inline]
__se_sys_rename fs/namei.c:5269 [inline]
__x64_sys_rename+0x82/0x90 fs/namei.c:5269
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: 0033:0x7fb433b85d29
RSP: 002b:00007fb434a04038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fb433d76160 RCX: 00007fb433b85d29
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000440
RBP: 00007fb433c01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb433d76160 R15: 00007ffe11ef6678
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
5 locks held by kworker/u8:3/53:
#0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90000be7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000be7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcae690 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x16a/0xd50 net/core/net_namespace.c:602
#3: ffff88805d49d4e8 (&wg->device_update_lock){+.+.}-{4:4}, at: wg_destruct+0x110/0x2e0 drivers/net/wireguard/device.c:249
#4: ffffffff8e93d278 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:302 [inline]
#4: ffffffff8e93d278 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:996
6 locks held by kworker/0:2/975:
2 locks held by kworker/u8:6/1155:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90004237c60 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90004237c60 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
3 locks held by kworker/u8:7/2917:
5 locks held by kworker/u8:9/3552:
2 locks held by getty/5591:
#0: ffff88814d1af0a0 (&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
2 locks held by kworker/0:4/5887:
#0: ffff88803359b948 ((wq_completion)xfs-sync/loop2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88803359b948 ((wq_completion)xfs-sync/loop2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90004167c60 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90004167c60 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
3 locks held by syz.2.47/6115:
#0: ffff888058cf4420 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:548
#1: ffff88805aeb12b0
(&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:863 [inline]
(&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
#2: ffff888058cf4610 (sb_internal#4){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x1ac/0x5d0 fs/xfs/xfs_trans.c:1098
1 lock held by syz.2.47/6155:
#0: ffff88805aeb12b0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:863 [inline]
#0: ffff88805aeb12b0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
5 locks held by syz.2.47/6157:
#0: ffff888058cf4420 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:548
#1: ffff88805ae18330 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:898 [inline]
#1: ffff88805ae18330 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{4:4}, at: lock_rename fs/namei.c:3215 [inline]
#1: ffff88805ae18330 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{4:4}, at: do_renameat2+0x62c/0x13f0 fs/namei.c:5159
#2: ffff88805aeb0330 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:863 [inline]
#2: ffff88805aeb0330 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: lock_two_nondirectories+0xe1/0x170 fs/inode.c:1281
#3: ffff88805aeb1a70 (&sb->s_type->i_mutex_key#24/4){+.+.}-{4:4}, at: vfs_rename+0x6a2/0xf00 fs/namei.c:5038
#4: ffff888058cf4610 (sb_internal#4){.+.+}-{0:0}, at: xfs_rename+0xb20/0x1e70 fs/xfs/xfs_inode.c:2179
4 locks held by kworker/u8:10/6676:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9001e107c60 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9001e107c60 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcbab48 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:281
#3: ffffffff8e93d278 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:334 [inline]
#3: ffffffff8e93d278 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:996
3 locks held by kworker/u8:11/6690:
#0: ffff88814d470948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88814d470948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc9001de17c60 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9001de17c60 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffffffff8fcbab48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4755
2 locks held by syz-executor/7037:
1 lock held by syz-executor/7447:
#0: ffffffff8fcbab48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fcbab48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline]
#0: ffffffff8fcbab48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xce2/0x2210 net/core/rtnetlink.c:4011
1 lock held by syz.5.333/7577:
1 lock held by syz.5.333/7581:
#0: ffff88805ac03e08 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:863 [inline]
#0: ffff88805ac03e08 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: __sock_release net/socket.c:639 [inline]
#0: ffff88805ac03e08 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: sock_close+0x90/0x240 net/socket.c:1419
6 locks held by sed/7590:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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+0x7a9/0x920 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
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: 7447 Comm: syz-executor Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_data+0x22a/0x880
Code: 00 49 21 de 4d 8b 6f 08 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 18 80 3c 01 00 48 8b 5c 24 10 74 08 4c 89 ff e8 a6 fa 85 00 <4c> 01 74 24 28 4d 2b 2f e9 cd 01 00 00 e8 14 7f 1f 00 eb 60 bf 03
RSP: 0018:ffffc9000b6763b8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc9000b676500 RCX: 1ffff920016ceca7
RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000040
RBP: 1ffff920016ceca8 R08: ffffffff819fa499 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000b676540
R13: 0000000000007990 R14: 0000000000007978 R15: ffffc9000b676538
FS: 000055558001c500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd7bbc1598 CR3: 0000000079d00000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
copy_data kernel/printk/printk_ringbuffer.c:1827 [inline]
prb_read kernel/printk/printk_ringbuffer.c:1936 [inline]
_prb_read_valid+0x5f3/0xac0 kernel/printk/printk_ringbuffer.c:2113
prb_read_valid+0xa9/0xf0 kernel/printk/printk_ringbuffer.c:2182
printk_get_next_message+0x1fd/0xbf0 kernel/printk/printk.c:2989
console_emit_next_record kernel/printk/printk.c:3076 [inline]
console_flush_all+0x569/0xeb0 kernel/printk/printk.c:3210
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
_printk+0xd5/0x120 kernel/printk/printk.c:2457
batadv_hardif_enable_interface+0x7d0/0x9f0 net/batman-adv/hard-interface.c:756
batadv_softif_slave_add+0x79/0x100 net/batman-adv/soft-interface.c:844
do_set_master net/core/rtnetlink.c:2917 [inline]
do_setlink+0xe40/0x4210 net/core/rtnetlink.c:3116
rtnl_changelink net/core/rtnetlink.c:3723 [inline]
__rtnl_newlink net/core/rtnetlink.c:3875 [inline]
rtnl_newlink+0x1bb6/0x2210 net/core/rtnetlink.c:4012
rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6902
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2542
netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:726
__sys_sendto+0x363/0x4c0 net/socket.c:2208
__do_sys_sendto net/socket.c:2215 [inline]
__se_sys_sendto net/socket.c:2211 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2211
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: 0033:0x7fe1d3d87bbc
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffe4c77a3a0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fe1d4aa4620 RCX: 00007fe1d3d87bbc
RDX: 0000000000000028 RSI: 00007fe1d4aa4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe4c77a3f4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fe1d4aa4670 R15: 0000000000000000