INFO: task kworker/u8:0:11 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/u8:0 state:D stack:23904 pid:11 tgid:11 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
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_ext_get_access+0x87/0x120 fs/ext4/extents.c:168
ext4_convert_unwritten_extents_endio fs/ext4/extents.c:3788 [inline]
ext4_ext_handle_unwritten_extents fs/ext4/extents.c:3932 [inline]
ext4_ext_map_blocks+0x2526/0x5a30 fs/ext4/extents.c:4271
ext4_map_create_blocks fs/ext4/inode.c:516 [inline]
ext4_map_blocks+0x457/0x1370 fs/ext4/inode.c:702
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/sda1-8:5179 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:26432 pid:5179 tgid:5179 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 kworker/u8:14:8189 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/u8:14 state:D stack:23072 pid:8189 tgid:8189 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_old_data_flush fs/fs-writeback.c:2262 [inline]
wb_do_writeback fs/fs-writeback.c:2315 [inline]
wb_workfn+0x8c3/0xbc0 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.9.2765:16755 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.9.2765 state:D stack:25808 pid:16755 tgid:16755 ppid:15956 flags:0x00000004
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: 0033:0x7f496965d536
RSP: 002b:00007ffeba3cb250 EFLAGS: 00010202
RAX: 000000000005b008 RBX: 00007f496a465720 RCX: 0000000000000000
RDX: 0000001b308c5000 RSI: 0000000000000008 RDI: 00007f496a465720
RBP: ffffffff8155c827 R08: 00007f49671f6050 R09: 00007f4969922000
R10: 00007f49671f6008 R11: 0000000000000013 R12: 000000000000021e
R13: 00007f49699362d8 R14: 000000000000003d R15: fffffffffffa5000
INFO: task syz.8.2779:16809 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.8.2779 state:D stack:24624 pid:16809 tgid:16809 ppid:15643 flags:0x00004002
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
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
__folio_lock mm/filemap.c:1647 [inline]
lock_folio_maybe_drop_mmap mm/filemap.c:3132 [inline]
filemap_fault+0xd7a/0x2820 mm/filemap.c:3366
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 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
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xfb/0x220 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2766/0x3840 fs/binfmt_elf.c:2127
do_coredump+0x2c42/0x4160 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3001
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x401000
RSP: 002b:000000000000000a EFLAGS: 00010257
RAX: 0000000000000002 RBX: 00007f6249335fa0 RCX: 00007f624917e819
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000020003b46
RBP: 00007f62491f175e R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6249335fa0 R15: 00007ffe124e3a58
INFO: task syz.8.2779:16813 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.8.2779 state:D stack:23536 pid:16813 tgid:16813 ppid:15643 flags:0x00004002
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
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
__folio_lock mm/filemap.c:1647 [inline]
lock_folio_maybe_drop_mmap mm/filemap.c:3132 [inline]
filemap_fault+0xd7a/0x2820 mm/filemap.c:3366
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 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
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xfb/0x220 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2766/0x3840 fs/binfmt_elf.c:2127
do_coredump+0x2c42/0x4160 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3001
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
asm_exc_stack_segment+0x26/0x30 arch/x86/include/asm/idtentry.h:616
RIP: 0033:0x7f624917e821
RSP: 002b:7fffffffffffffff EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f6249335fa0 RCX: 00007f624917e819
RDX: ffffffffffffffff RSI: 7fffffffffffffff RDI: 0000000000000007
RBP: 00007f62491f175e R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6249335fa0 R15: 00007ffe124e3a58
INFO: task syz.7.2783:16820 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.7.2783 state:D stack:24088 pid:16820 tgid:16820 ppid:15640 flags:0x00004002
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
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
__folio_lock mm/filemap.c:1647 [inline]
lock_folio_maybe_drop_mmap mm/filemap.c:3132 [inline]
filemap_fault+0xd7a/0x2820 mm/filemap.c:3366
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 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
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xfb/0x220 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2766/0x3840 fs/binfmt_elf.c:2127
do_coredump+0x2c42/0x4160 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3001
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x10000000
RSP: 002b:000000000000000e EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f6de8536080 RCX: 00007f6de837e819
RDX: ffffffff81000000 RSI: 0000000000000006 RDI: 0000000081000005
RBP: 00007f6de83f175e R08: 0000000080000001 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f6de8536080 R15: 00007fff6b0c0e88
INFO: task syz.7.2783:16821 blocked for more than 146 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.2783 state:D stack:24656 pid:16821 tgid:16821 ppid:15640 flags:0x00004002
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
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1309
__folio_lock mm/filemap.c:1647 [inline]
lock_folio_maybe_drop_mmap mm/filemap.c:3132 [inline]
filemap_fault+0xd7a/0x2820 mm/filemap.c:3366
__do_fault+0x10a/0x490 mm/memory.c:4882
do_read_fault mm/memory.c:5297 [inline]
do_fault mm/memory.c:5431 [inline]
do_pte_missing+0xec5/0x3e70 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
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
__get_user_pages_locked mm/gup.c:1751 [inline]
get_dump_page+0xfb/0x220 mm/gup.c:2269
dump_user_range+0x135/0x8c0 fs/coredump.c:943
elf_core_dump+0x2766/0x3840 fs/binfmt_elf.c:2127
do_coredump+0x2c42/0x4160 fs/coredump.c:758
get_signal+0x23f3/0x2610 kernel/signal.c:3001
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
irqentry_exit_to_user_mode+0x13f/0x280 kernel/entry/common.c:231
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x10000000
RSP: 002b:000000000000000e EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f6de8535fa0 RCX: 00007f6de837e819
RDX: 0000000020000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f6de83f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6de8535fa0 R15: 00007fff6b0c0e88
INFO: task syz.7.2791:16842 blocked for more than 146 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.2791 state:D stack:28384 pid:16842 tgid:16842 ppid:15640 flags:0x00000004
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: 0033:0x7f6de8251c11
RSP: 002b:00007fff6b0c0ff0 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2c020000 RSI: 0000000000400000 RDI: 00007f6de8472290
RBP: 00007fff6b0c124c R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000c1cd2 R14: 00000000000c1b60 R15: 00007fff6b0c12a0
INFO: task syz.6.2790:16843 blocked for more than 147 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.2790 state:D stack:28384 pid:16843 tgid:16843 ppid:14990 flags:0x00000004
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: 0033:0x7fc993e51c11
RSP: 002b:00007ffcfa1afa70 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2bf20000 RSI: 0000000000400000 RDI: 00007fc994072290
RBP: 00007ffcfa1afccc R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000c1ca4 R14: 00000000000c1bec R15: 00007ffcfa1afd20
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.8.2792:16844 blocked for more than 147 seconds.
Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.8.2792 state:D stack:28384 pid:16844 tgid:16844 ppid:15643 flags:0x00000004
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: 0033:0x7f6249051c11
RSP: 002b:00007ffe124e3bc0 EFLAGS: 00010246
RAX: 00000000003ffdf0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2c120000 RSI: 0000000000400000 RDI: 00007f6249272290
RBP: 00007ffe124e3e1c R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000c1c78 R14: 00000000000c1477 R15: 00007ffe124e3e70
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
4 locks held by kworker/u8:0/11:
#0: ffff88814e8ed148 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x1212/0x1b30 kernel/workqueue.c:3204
#1: ffffc90000107d80 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3205
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#3: ffff88807c0fb410 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
4 locks held by kworker/u8:1/12:
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/5599:
#0: ffff88814d37e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
3 locks held by syz-executor/5829:
#0: ffff888022f59808 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888022f59808 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff88814e954518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
6 locks held by kworker/u8:14/8189:
#0: ffff88801fec4148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x1212/0x1b30 kernel/workqueue.c:3204
#1: ffffc90018e97d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3205
#2: ffff88814e9540e0 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 fs/super.c:562
#3: ffff88814e956b98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1b3/0x820 mm/page-writeback.c:2683
#4: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#5: ffff88807c018c70 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
3 locks held by syz.9.2765/16755:
#0: ffff88803121a9b8 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff88803121a9b8 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff88814e954518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
2 locks held by syz.8.2779/16809:
#0: ffff888094f1c420 (sb_writers#5){.+.+}-{0:0}, at: get_signal+0x23f3/0x2610 kernel/signal.c:3001
#1: ffff88807c574fe0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#1: ffff88807c574fe0 (&mm->mmap_lock){++++}-{4:4}, at: __get_user_pages_locked mm/gup.c:1726 [inline]
#1: ffff88807c574fe0 (&mm->mmap_lock){++++}-{4:4}, at: get_dump_page+0xb6/0x220 mm/gup.c:2269
2 locks held by syz.8.2779/16813:
#0: ffff888094f1c420 (sb_writers#5){.+.+}-{0:0}, at: get_signal+0x23f3/0x2610 kernel/signal.c:3001
#1: ffff88807db69f20 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#1: ffff88807db69f20 (&mm->mmap_lock){++++}-{4:4}, at: __get_user_pages_locked mm/gup.c:1726 [inline]
#1: ffff88807db69f20 (&mm->mmap_lock){++++}-{4:4}, at: get_dump_page+0xb6/0x220 mm/gup.c:2269
2 locks held by syz.7.2783/16820:
#0: ffff88809033e420 (sb_writers#5){.+.+}-{0:0}, at: get_signal+0x23f3/0x2610 kernel/signal.c:3001
#1: ffff888032af6360 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#1: ffff888032af6360 (&mm->mmap_lock){++++}-{4:4}, at: __get_user_pages_locked mm/gup.c:1726 [inline]
#1: ffff888032af6360 (&mm->mmap_lock){++++}-{4:4}, at: get_dump_page+0xb6/0x220 mm/gup.c:2269
2 locks held by syz.7.2783/16821:
#0: ffff88809033e420 (sb_writers#5){.+.+}-{0:0}, at: get_signal+0x23f3/0x2610 kernel/signal.c:3001
#1: ffff888032af6d20 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
#1: ffff888032af6d20 (&mm->mmap_lock){++++}-{4:4}, at: __get_user_pages_locked mm/gup.c:1726 [inline]
#1: ffff888032af6d20 (&mm->mmap_lock){++++}-{4:4}, at: get_dump_page+0xb6/0x220 mm/gup.c:2269
3 locks held by syz.7.2791/16842:
#0: ffff8880494fb9b8 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff8880494fb9b8 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff88814e954518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz.6.2790/16843:
#0: ffff888068839658 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888068839658 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff88814e954518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz.8.2792/16844:
#0: ffff888065936a90 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:716 [inline]
#0: ffff888065936a90 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6243
#1: ffff88814e954518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162
#2: ffff88814ea50958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
=============================================
NMI backtrace for cpu 0
CPU: 0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 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 cfg80211_wiphy_work
RIP: 0010:__sanitizer_cov_trace_pc+0x66/0x70 kernel/kcov.c:235
Code: 82 f8 15 00 00 83 f8 02 75 20 48 8b 8a 00 16 00 00 8b 92 fc 15 00 00 48 8b 01 48 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000117958 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000c RCX: ffffffff8a9387a8
RDX: ffff88801bef5a00 RSI: ffffffff8a9388b7 RDI: 0000000000000006
RBP: 000000000000000c R08: 0000000000000006 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000004 R12: 0000000000000000
R13: dffffc0000000000 R14: 000000000000000c R15: 0000000000000008
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ffd0c94680 CR3: 000000000db7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_sta_get_rates+0x407/0x650 net/mac80211/util.c:1551
ieee80211_update_sta_info net/mac80211/ibss.c:989 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1098 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x103e/0x3030 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline]
ieee80211_iface_work+0xc0b/0xf00 net/mac80211/iface.c:1657
cfg80211_wiphy_work+0x3d9/0x550 net/wireless/core.c:440
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