INFO: task syz-executor:5205 blocked for more than 143 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20528 pid:5205 tgid:5205 ppid:5203 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
wp_page_shared mm/memory.c:3563 [inline]
do_wp_page+0x23d3/0x52d0 mm/memory.c:3713
handle_pte_fault+0x10e3/0x6800 mm/memory.c:5767
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f0b61067344
RSP: 002b:00007ffd958c6210 EFLAGS: 00010202
RAX: 00007f0b5f108000 RBX: 000055558da20f40 RCX: 0000000000000002
RDX: 1ffffffff17377ea RSI: 000055558da1d588 RDI: 0000000000000004
RBP: 00007ffd958c66f0 R08: 000055558da1d5d0 R09: 0000000000002efd
R10: 00007f0b6200c0b8 R11: 0000000000000246 R12: 00007ffd958c6540
R13: 0000000000000005 R14: 00007ffd958c6280 R15: 00007ffd958c6350
INFO: task syz.2.883:9980 blocked for more than 144 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.883 state:D stack:23808 pid:9980 tgid:9980 ppid:8828 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
do_shared_fault mm/memory.c:5358 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x11fa/0x6800 mm/memory.c:5751
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f1cdfc5d366
RSP: 002b:00007ffeb2cc05a0 EFLAGS: 00010202
RAX: 0000000000004008 RBX: 00007f1ce0a65720 RCX: 0000000000000000
RDX: 0000001b3321c000 RSI: 0000000000000008 RDI: 00007f1ce0a65720
RBP: ffffffff82166881 R08: 00007f1cdf4010d0 R09: 00007f1cdff22000
R10: 0000000081366c32 R11: 0000000000000001 R12: 0000000000000150
R13: 00007f1cdff36018 R14: 0000000000000099 R15: ffffffffffffc000
INFO: task syz.0.889:9993 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.889 state:D stack:23632 pid:9993 tgid:9993 ppid:8664 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
do_shared_fault mm/memory.c:5358 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x11fa/0x6800 mm/memory.c:5751
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f66b365d366
RSP: 002b:00007ffd9f27aac0 EFLAGS: 00010202
RAX: 000000000000f008 RBX: 00007f66b4465720 RCX: 0000000000000000
RDX: 0000001b30511000 RSI: 0000000000000008 RDI: 00007f66b4465720
RBP: ffffffff897df2a6 R08: 00007f66b0a01070 R09: 00007f66b3922000
R10: 0000000081366f1c R11: 000000000000001d R12: 000000000000013f
R13: 00007f66b3936378 R14: 00000000000000e6 R15: ffffffffffff1000
INFO: task syz.0.889:10000 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.889 state:D stack:26912 pid:10000 tgid:9993 ppid:8664 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_ioctl_setflags fs/ext4/ioctl.c:649 [inline]
ext4_fileattr_set+0x8fa/0x16e0 fs/ext4/ioctl.c:1021
vfs_fileattr_set+0x8ff/0xd50 fs/ioctl.c:697
ioctl_setflags fs/ioctl.c:729 [inline]
do_vfs_ioctl+0x207a/0x2e40 fs/ioctl.c:870
__do_sys_ioctl fs/ioctl.c:905 [inline]
__se_sys_ioctl+0x81/0x170 fs/ioctl.c:893
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: 0033:0x7f66b377dff9
RSP: 002b:00007f66b4525038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f66b3936208 RCX: 00007f66b377dff9
RDX: 0000000020000380 RSI: 0000000040086602 RDI: 0000000000000008
RBP: 00007f66b37f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f66b3936208 R15: 00007ffd9f27aa48
INFO: task syz.3.891:9999 blocked for more than 146 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.891 state:D stack:26848 pid:9999 tgid:9999 ppid:7437 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
do_shared_fault mm/memory.c:5358 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x11fa/0x6800 mm/memory.c:5751
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fe4aaa51b84
RSP: 002b:00007ffea1e6e790 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2be20000 RSI: 0000000000400000 RDI: 00007fe4aac71f90
RBP: 00007ffea1e6e9ec R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000006eb0a R14: 000000000006eab7 R15: 00007ffea1e6ea40
INFO: task syz.1.892:10001 blocked for more than 147 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.892 state:D stack:26800 pid:10001 tgid:10001 ppid:8046 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
do_shared_fault mm/memory.c:5358 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x11fa/0x6800 mm/memory.c:5751
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f351ac51b84
RSP: 002b:00007ffee9e0e2a0 EFLAGS: 00010246
RAX: 00000000005ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b31120000 RSI: 0000000000600000 RDI: 00007f351ae71f90
RBP: 00007ffee9e0e4fc R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000006ea85 R14: 000000000006e5d6 R15: 00007ffee9e0e550
INFO: task syz.4.893:10003 blocked for more than 149 seconds.
Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.893 state:D stack:25712 pid:10003 tgid:10003 ppid:8950 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1843/0x4ae0 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384
jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981
__mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493
generic_update_time fs/inode.c:2041 [inline]
inode_update_time fs/inode.c:2054 [inline]
__file_update_time fs/inode.c:2243 [inline]
file_update_time+0x3b3/0x430 fs/inode.c:2273
ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102
do_page_mkwrite+0x198/0x480 mm/memory.c:3162
do_shared_fault mm/memory.c:5358 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x11fa/0x6800 mm/memory.c:5751
__handle_mm_fault mm/memory.c:5894 [inline]
handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f21ad251b84
RSP: 002b:00007ffd38f588f0 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b33120000 RSI: 0000000000400000 RDI: 00007f21ad471f90
RBP: 00007ffd38f58b4c R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000006ecda R14: 000000000006eb59 R15: 00007ffd38f58ba0
Showing all locks held in the system:
6 locks held by kworker/u8:0/11:
#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/0x1850 kernel/workqueue.c:3310
#1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcb2450 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580
#3: ffffffff8fcbef48 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1662
#4: ffff88805c2a8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:6014 [inline]
#4: ffff88805c2a8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12b/0x700 net/mac80211/iface.c:2275
#5: ffffffff8e7d1dd0 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:6021 [inline]
#5: ffffffff8e7d1dd0 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x5ea/0x1da0 net/core/dev.c:11380
1 lock held by khungtaskd/30:
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6701
3 locks held by kworker/u8:7/2479:
#0: ffff88814ba39148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88814ba39148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900091c7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900091c7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcbef48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4736
1 lock held by syslogd/4655:
2 locks held by klogd/4662:
2 locks held by getty/4974:
#0: ffff88814ba5e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz-executor/5205:
#0: ffff88802d65c580 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff88802d65c580 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
4 locks held by kworker/1:5/5302:
4 locks held by kworker/1:7/9728:
2 locks held by syz.2.883/9980:
#0: ffff88806c3ef9b8 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff88806c3ef9b8 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
2 locks held by syz.0.889/9993:
#0: ffff888022b62ec8 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff888022b62ec8 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
3 locks held by syz.0.889/9998:
#0: ffff88814ceb6420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x200 fs/namespace.c:559
#1: ffff88814cef2160 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2b4/0x380 fs/jbd2/transaction.c:889
#2: ffff88814cef23e8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: jbd2_journal_flush+0x262/0xc10 fs/jbd2/journal.c:2465
2 locks held by syz.0.889/10000:
#0: ffff88814ceb6420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x200 fs/namespace.c:559
#1: ffff8880737ec950 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff8880737ec950 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: vfs_fileattr_set+0x139/0xd50 fs/ioctl.c:682
2 locks held by syz.3.891/9999:
#0: ffff888056839148 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff888056839148 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
2 locks held by syz.1.892/10001:
#0: ffff88807be94df0 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff88807be94df0 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
2 locks held by syz.4.893/10003:
#0: ffff888020f53df0 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline]
#0: ffff888020f53df0 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6228
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:1881 [inline]
#1: ffff88814ceb6518 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x1ef/0xdf0 fs/ext4/inode.c:6101
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #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:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
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: 9728 Comm: kworker/1:7 Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
RIP: 0010:check_preemption_disabled+0x2e/0x120
Code: 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d 0c 44 47 74 65 8b 05 01 44 47 74 a9 ff ff ff 7f 74 26 <65> 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 89 d8
RSP: 0018:ffffc90000a17d48 EFLAGS: 00000002
RAX: 0000000080000102 RBX: 0000000000000001 RCX: ffffffff9a396903
RDX: dffffc0000000000 RSI: ffffffff8c0ad6a0 RDI: ffffffff8c601fe0
RBP: ffffc90000a17e28 R08: ffffffff901bb66f R09: 1ffffffff20376cd
R10: dffffc0000000000 R11: fffffbfff20376ce R12: dffffc0000000000
R13: 1ffff92000142fc8 R14: 94a0d9a287be8f3b R15: 1ffff92000142fb4
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3051bff8 CR3: 000000006a244000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline]
lockdep_hardirqs_on_prepare+0x1f9/0x780 kernel/locking/lockdep.c:4402
trace_hardirqs_on+0x28/0x40 kernel/trace/trace_preemptirq.c:61
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
_raw_spin_unlock_irqrestore+0x8f/0x140 kernel/locking/spinlock.c:194
debug_object_activate+0x3e4/0x510 lib/debugobjects.c:726
debug_rcu_head_queue kernel/rcu/rcu.h:224 [inline]
__call_rcu_common kernel/rcu/tree.c:3071 [inline]
call_rcu+0x97/0xa70 kernel/rcu/tree.c:3190
refdst_drop include/net/dst.h:263 [inline]
skb_dst_drop include/net/dst.h:275 [inline]
skb_release_head_state+0x73/0x250 net/core/skbuff.c:1174
skb_release_all net/core/skbuff.c:1188 [inline]
__kfree_skb net/core/skbuff.c:1204 [inline]
consume_skb+0x60/0xf0 net/core/skbuff.c:1436
nft_synproxy_eval_v4+0x3d2/0x610 net/netfilter/nft_synproxy.c:60
nft_synproxy_do_eval+0x362/0xa60 net/netfilter/nft_synproxy.c:141
expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288
nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5662 [inline]
__netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775
process_backlog+0x662/0x15b0 net/core/dev.c:6107
__napi_poll+0xcb/0x490 net/core/dev.c:6771
napi_poll net/core/dev.c:6840 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6962
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
wg_socket_send_skb_to_peer+0x176/0x1d0 drivers/net/wireguard/socket.c:184
wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
wg_packet_tx_worker+0x1bf/0x810 drivers/net/wireguard/send.c:276
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 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