INFO: task kworker/u8:1:12 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1 state:D stack:23280 pid:12 tgid:12 ppid:2 flags:0x00004000
Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
ext4_convert_unwritten_extents+0x2b7/0x4c0 fs/ext4/extents.c:4876
ext4_convert_unwritten_io_end_vec+0x127/0x280 fs/ext4/extents.c:4915
ext4_end_io_end fs/ext4/page-io.c:185 [inline]
ext4_do_flush_completed_IO fs/ext4/page-io.c:258 [inline]
ext4_end_io_rsv_work+0x2ca/0x690 fs/ext4/page-io.c:272
process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task jbd2/sda1-8:5182 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26192 pid:5182 tgid:5182 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
__wait_on_buffer+0x64/0x70 fs/buffer.c:123
wait_on_buffer include/linux/buffer_head.h:414 [inline]
jbd2_journal_commit_transaction+0x3bf0/0x6ac0 fs/jbd2/commit.c:810
kjournald2+0x1f8/0x760 fs/jbd2/journal.c:201
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:5832 blocked for more than 143 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21872 pid:5832 tgid:5832 ppid:5830 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5830
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2113
inode_update_time fs/inode.c:2126 [inline]
__file_update_time fs/inode.c:2354 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2384
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3162
wp_page_shared mm/memory.c:3563 [inline]
do_wp_page+0xcbf/0x4930 mm/memory.c:3713
handle_pte_fault mm/memory.c:5782 [inline]
__handle_mm_fault+0x1a93/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f75bd8563f5
RSP: 002b:00007ffc02cf7b90 EFLAGS: 00010202
RAX: 00007f75b7e00000 RBX: 00007ffc02cf7ca0 RCX: 00007f75b7000210
RDX: 00007f75b7dffffc RSI: 0000000000000008 RDI: 00007ffc02cf7ca0
RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffc02cf7c80 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task kworker/u8:24:8520 blocked for more than 144 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:24 state:D stack:23888 pid:8520 tgid:8520 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_mb_mark_context+0x176/0xdb0 fs/ext4/mballoc.c:4003
ext4_mb_mark_diskspace_used+0x467/0x8c0 fs/ext4/mballoc.c:4133
ext4_mb_new_blocks+0xa33/0x4e80 fs/ext4/mballoc.c:6235
ext4_ext_map_blocks+0x1bca/0x5a30 fs/ext4/extents.c:4379
ext4_map_create_blocks fs/ext4/inode.c:516 [inline]
ext4_map_blocks+0x457/0x1370 fs/ext4/inode.c:702
mpage_map_one_extent fs/ext4/inode.c:2219 [inline]
mpage_map_and_submit_extent fs/ext4/inode.c:2272 [inline]
ext4_do_writepages+0x198c/0x32f0 fs/ext4/inode.c:2735
ext4_writepages+0x303/0x730 fs/ext4/inode.c:2824
do_writepages+0x1b3/0x820 mm/page-writeback.c:2683
__writeback_single_inode+0x166/0xfa0 fs/fs-writeback.c:1680
writeback_sb_inodes+0x603/0xfa0 fs/fs-writeback.c:1976
__writeback_inodes_wb+0xff/0x2e0 fs/fs-writeback.c:2047
wb_writeback+0x72d/0xb60 fs/fs-writeback.c:2158
wb_check_background_flush fs/fs-writeback.c:2228 [inline]
wb_do_writeback fs/fs-writeback.c:2316 [inline]
wb_workfn+0x741/0xbc0 fs/fs-writeback.c:2343
process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz.6.1647:18414 blocked for more than 144 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.1647 state:D stack:25808 pid:18414 tgid:18414 ppid:16083 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5830
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2113
inode_update_time fs/inode.c:2126 [inline]
__file_update_time fs/inode.c:2354 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2384
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3162
do_shared_fault mm/memory.c:5373 [inline]
do_fault mm/memory.c:5435 [inline]
do_pte_missing+0x29e/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f8388a4fe60
RSP: 002b:00007ffd59ff9770 EFLAGS: 00010202
RAX: 0000001b30460000 RBX: 00007f8389865720 RCX: 0000001b30420210
RDX: 0000001b3045ffff RSI: 0000000000000008 RDI: 00007f8389865720
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f8389865700 R11: 0000000000000001 R12: 0000000000004803
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz.4.1649:18417 blocked for more than 145 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.1649 state:D stack:26784 pid:18417 tgid:18417 ppid:16798 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5830
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2113
inode_update_time fs/inode.c:2126 [inline]
__file_update_time fs/inode.c:2354 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2384
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3162
do_shared_fault mm/memory.c:5373 [inline]
do_fault mm/memory.c:5435 [inline]
do_pte_missing+0x29e/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fe587e51ba4
RSP: 002b:00007ffecd12c6b0 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2c920000 RSI: 0000000000400000 RDI: 00007fe588072290
RBP: 00007ffecd12c90c R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000092e0a R14: 0000000000092db2 R15: 00007ffecd12c960
INFO: task syz.5.1648:18418 blocked for more than 145 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.1648 state:D stack:26744 pid:18418 tgid:18418 ppid:14842 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
io_schedule+0xbf/0x130 kernel/sched/core.c:7681
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5830
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2113
inode_update_time fs/inode.c:2126 [inline]
__file_update_time fs/inode.c:2354 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2384
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3162
do_shared_fault mm/memory.c:5373 [inline]
do_fault mm/memory.c:5435 [inline]
do_pte_missing+0x29e/0x3e70 mm/memory.c:3965
handle_pte_fault mm/memory.c:5766 [inline]
__handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fbc03a51ba4
RSP: 002b:00007ffd3c975c00 EFLAGS: 00010246
RAX: 00000000005ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b33120000 RSI: 0000000000600000 RDI: 00007fbc03c72290
RBP: 00007ffd3c975e5c R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000092de7 R14: 0000000000092bb9 R15: 00007ffd3c975eb0
Showing all locks held in the system:
4 locks held by kworker/u8:1/12:
#0: ffff88814d057948 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x1212/0x1b30 kernel/workqueue.c:3204
#1: ffffc90000117d80 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3205
#2: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#3: ffff88807c79e598 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
1 lock held by khungtaskd/30:
#0: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
2 locks held by getty/5603:
#0: ffff888030a2e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900032232f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
3 locks held by syz-executor/5832:
#0: ffff888031f1bb68 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888031f1bb68 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff888034bba518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
6 locks held by kworker/u8:24/8520:
#0: ffff88801d6eb148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x1212/0x1b30 kernel/workqueue.c:3204
#1: ffffc90002ecfd80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3205
#2: ffff888034bba0e0 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 fs/super.c:562
#3: ffff888034bbcb98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1b3/0x820 mm/page-writeback.c:2683
#4: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#5: ffff88807c79e598 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
4 locks held by kworker/u8:35/9522:
#0: ffff8880b863eed8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff8880b8628a88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987
#2: ffff88806fb10768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: wiphy_lock include/net/cfg80211.h:6014 [inline]
#2: ffff88806fb10768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0x9e/0x550 net/wireless/core.c:426
#3: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#3: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#3: ffffffff8ddba640 (rcu_read_lock){....}-{1:3}, at: ieee80211_sta_active_ibss+0xe7/0x420 net/mac80211/ibss.c:642
3 locks held by syz.6.1647/18414:
#0: ffff888078833b68 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888078833b68 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff888034bba518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz.4.1649/18417:
#0: ffff88806b314ec8 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff88806b314ec8 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff888034bba518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz.5.1648/18418:
#0: ffff888028a1bd18 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888028a1bd18 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff888034bba518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff888034bbe958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 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+0xf0c/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x70 kernel/kcov.c:217
Code: cc cc 66 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 90 f3 0f 1e fa 65 48 8b 15 74 10 77 7e <65> 8b 05 75 10 77 7e a9 00 01 ff 00 48 8b 34 24 74 1d f6 c4 01 74
RSP: 0018:ffffc90000107980 EFLAGS: 00000093
RAX: 0000000000000000 RBX: ffff88801ac7c558 RCX: ffffffff8131d6e7
RDX: ffff88801bef3c00 RSI: ffffffff8131d6f9 RDI: 0000000000000007
RBP: ffffffff81e40c2a R08: 0000000000000007 R09: 0000000000001000
R10: 0000000000000c2b R11: 0000000000000006 R12: 0000000000000c2b
R13: 8000000001e40063 R14: 0000000000000001 R15: ffff88801ac70000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d52aff4680 CR3: 000000000db7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
use_temporary_mm arch/x86/kernel/alternative.c:1798 [inline]
__text_poke+0x355/0xca0 arch/x86/kernel/alternative.c:1920
text_poke_bp_batch+0x493/0x760 arch/x86/kernel/alternative.c:2373
text_poke_flush arch/x86/kernel/alternative.c:2486 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2483 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2493
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
static_key_disable+0x1a/0x20 kernel/jump_label.c:248
toggle_allocation_gate mm/kfence/core.c:854 [inline]
toggle_allocation_gate+0x147/0x260 mm/kfence/core.c:841
process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244