INFO: task syz-executor:5827 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:22336 pid:5827 tgid:5827 ppid:5825 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 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+0x1ab/0x860 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3176
wp_page_shared mm/memory.c:3577 [inline]
do_wp_page+0xc4b/0x4670 mm/memory.c:3727
handle_pte_fault mm/memory.c:5817 [inline]
__handle_mm_fault+0x1ade/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
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: 0033:0x7fa8c8860105
RSP: 002b:00007ffd4fd94400 EFLAGS: 00010202
RAX: 00007fa8c37c3cac RBX: 00007ffd4fd94500 RCX: 0000000000000000
RDX: 00007fa8c37c3ca8 RSI: 0000000000000008 RDI: 00007ffd4fd94500
RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffd4fd944e0 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000003c354 R14: fffffffffffc3cac R15: 000000000003c354
INFO: task kworker/u8:21:10787 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:21 state:D stack:24480 pid:10787 tgid:10787 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 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+0x1ab/0x860 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
mark_inode_dirty_sync include/linux/fs.h:2490 [inline]
dquot_claim_block include/linux/quotaops.h:363 [inline]
ext4_da_update_reserve_space+0x2b7/0x760 fs/ext4/inode.c:362
ext4_es_insert_extent+0xc03/0x11d0 fs/ext4/extents_status.c:947
ext4_map_create_blocks fs/ext4/inode.c:566 [inline]
ext4_map_blocks+0x8f3/0x1370 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+0x198d/0x32d0 fs/ext4/inode.c:2735
ext4_writepages+0x303/0x730 fs/ext4/inode.c:2824
do_writepages+0x1b3/0x820 mm/page-writeback.c:2708
__writeback_single_inode+0x166/0xfa0 fs/fs-writeback.c:1680
writeback_sb_inodes+0x606/0xfa0 fs/fs-writeback.c:1976
__writeback_inodes_wb+0xff/0x2e0 fs/fs-writeback.c:2047
wb_writeback+0x803/0xb80 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+0x730/0xbc0 fs/fs-writeback.c:2343
process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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.0.1296:11579 blocked for more than 144 seconds.
Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.1296 state:D stack:26016 pid:11579 tgid:11579 ppid:5839 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 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+0x1ab/0x860 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3176
do_shared_fault mm/memory.c:5398 [inline]
do_fault mm/memory.c:5460 [inline]
do_pte_missing+0x29e/0x3e00 mm/memory.c:3979
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
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: 0033:0x7fa8bea6609a
RSP: 002b:00007ffcb886cfd0 EFLAGS: 00010202
RAX: 0000001b3080b000 RBX: 00007fa8bf8a5720 RCX: 0000001b3080aff8
RDX: 0000001b30420220 RSI: 0000000000000008 RDI: 00007fa8bf8a5720
RBP: ffffffff815a05c3 R08: 00007fa8bed76038 R09: 00007fa8bed62000
R10: 00007fa8be1ff008 R11: 0000000000000009 R12: 0000000000000009
R13: 0000000000000006 R14: ffffffff815a05ea R15: 0000000000000006
INFO: task syz.3.1299:11602 blocked for more than 144 seconds.
Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1299 state:D stack:28368 pid:11602 tgid:11602 ppid:5838 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 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+0x1ab/0x860 fs/ext4/inode.c:6004
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6041
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6159
do_page_mkwrite+0x177/0x380 mm/memory.c:3176
do_shared_fault mm/memory.c:5398 [inline]
do_fault mm/memory.c:5460 [inline]
do_pte_missing+0x29e/0x3e00 mm/memory.c:3979
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
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: 0033:0x7f43a125cbf2
RSP: 002b:00007ffd437afe50 EFLAGS: 00010246
RAX: 00000000003ffde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b30720000 RSI: 0000000000400000 RDI: 00007f43a1485b90
RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000077526 R14: 00007ffd437b0100 R15: 00007ffd437b0100
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8ddbad40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744
2 locks held by getty/5597:
#0: ffff88814d17c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900032fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
3 locks held by syz-executor/5827:
#0: ffff8880303e5b68 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:717 [inline]
#0: ffff8880303e5b68 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6278
#1: ffff888035bca518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3176
#2: ffff888035bce958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
6 locks held by kworker/u8:21/10787:
#0: ffff8881412dc148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x12cd/0x1b30 kernel/workqueue.c:3211
#1: ffffc900034f7d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1b30 kernel/workqueue.c:3212
#2: ffff888035bca0e0 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 fs/super.c:562
#3: ffff888035bccb98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1b3/0x820 mm/page-writeback.c:2708
#4: ffff888035bce958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
#5: ffff888078880c70 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x352/0x1370 fs/ext4/inode.c:701
1 lock held by kworker/u8:26/10792:
#0: ffff8880b873ed18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
3 locks held by syz.0.1296/11579:
#0: ffff8880908a5df0 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:717 [inline]
#0: ffff8880908a5df0 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6278
#1: ffff888035bca518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3176
#2: ffff888035bce958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz.3.1299/11602:
#0: ffff888027ff9070 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:717 [inline]
#0: ffff888027ff9070 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6278
#1: ffff888035bca518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x177/0x380 mm/memory.c:3176
#2: ffff888035bce958 (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 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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:234 [inline]
watchdog+0xf14/0x1240 kernel/hung_task.c:397
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: 10792 Comm: kworker/u8:26 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__sanitizer_cov_trace_pc+0x18/0x70 kernel/kcov.c:213
Code: 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 f4 8b 6a 7e 65 8b 05 f5 8b 6a 7e a9 00 01 ff 00 <48> 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0
RSP: 0018:ffffc900033f7958 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000001 RCX: ffffffff8aa0cd38
RDX: ffff88802aa1bc00 RSI: 0000000000000001 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000001
R10: 000000000000000c R11: 0000000000000004 R12: 0000000000000000
R13: dffffc0000000000 R14: 000000000000000c R15: 0000000000000078
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f643daba6c0 CR3: 000000000db7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_sta_get_rates+0x306/0x650 net/mac80211/util.c:1552
ieee80211_update_sta_info net/mac80211/ibss.c:989 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline]
ieee80211_ibss_rx_queued_mgmt+0x103e/0x3040 net/mac80211/ibss.c:1607
ieee80211_iface_process_skb net/mac80211/iface.c:1613 [inline]
ieee80211_iface_work+0xc0b/0xf00 net/mac80211/iface.c:1667
cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440
process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
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