mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
INFO: task jbd2/sda-8:71 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda-8 state:D stack:26464 pid:71 tgid:71 ppid:2 task_flags:0x240040 flags:0x00080000
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
jbd2_journal_wait_updates+0x11e/0x240
jbd2_journal_commit_transaction+0x6ce/0x5ba0
kjournald2+0x1d8/0x720
kthread+0x385/0x490
ret_from_fork+0x67a/0x7a0
ret_from_fork_asm+0x1a/0x30
INFO: task systemd-journal:97 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-journal state:D stack:25248 pid:97 tgid:97 ppid:1 task_flags:0x400100 flags:0x00080000
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
wait_transaction_locked+0x19a/0x230
add_transaction_credits+0x116/0xe20
start_this_handle+0x3d3/0x12d0
jbd2__journal_start+0x393/0x820
__ext4_journal_start_sb+0x325/0x580
ext4_truncate+0x68f/0x1150
ext4_setattr+0x1afb/0x2670
notify_change+0x6a9/0x1300
do_truncate+0x1be/0x220
do_ftruncate+0x3b5/0x6d0
do_sys_ftruncate+0x65/0xb0
__x64_sys_ftruncate+0x59/0x80
do_syscall_64+0xbf/0x420
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb47a6e4247
RSP: 002b:00007ffd058b24b8 EFLAGS: 00000202 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007ffd058b2500 RCX: 00007fb47a6e4247
RDX: 00005648cc6ee290 RSI: 0000000000800000 RDI: 0000000000000016
RBP: 00005648cc6ee4a0 R08: 0000000000000001 R09: 00005648cc6ee524
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd058b24f8
R13: 00005648cc6ea360 R14: 0000000000000703 R15: 0000000000000000
INFO: task rs:main Q:Reg:174 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rs:main Q:Reg state:D stack:25984 pid:174 tgid:170 ppid:1 task_flags:0x400140 flags:0x00080000
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
wait_transaction_locked+0x19a/0x230
add_transaction_credits+0x116/0xe20
start_this_handle+0x3d3/0x12d0
jbd2__journal_start+0x393/0x820
__ext4_journal_start_sb+0x325/0x580
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1bc/0x1460
file_update_time_flags+0x45d/0x4f0
file_modified+0x39/0x50
ext4_buffered_write_iter+0xf4/0x430
ext4_file_write_iter+0x9de/0x1930
vfs_write+0xbe9/0x1150
ksys_write+0x121/0x240
do_syscall_64+0xbf/0x420
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0fd6cefef
RSP: 002b:00007ff0fcc8b860 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff0f40011a0 RCX: 00007ff0fd6cefef
RDX: 0000000000000087 RSI: 00007ff0f4001460 RDI: 0000000000000006
RBP: 0000000000000087 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff0f4001460
R13: 0000000000000000 R14: 0000000000000087 R15: 00007ff0f40011a0
INFO: task syz-fuzzer:254 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-fuzzer state:D stack:25080 pid:254 tgid:251 ppid:245 task_flags:0x400040 flags:0x00080002
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
wait_transaction_locked+0x19a/0x230
add_transaction_credits+0x116/0xe20
start_this_handle+0x3d3/0x12d0
jbd2__journal_start+0x393/0x820
__ext4_journal_start_sb+0x325/0x580
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1bc/0x1460
touch_atime+0x607/0x750
iterate_dir+0x46b/0x5f0
__x64_sys_getdents64+0x13c/0x2c0
do_syscall_64+0xbf/0x420
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x4b0f4b
RSP: 002b:000000c000411790 EFLAGS: 00000206 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 00000000004b0f4b
RDX: 0000000000002000 RSI: 000000c00497a000 RDI: 0000000000000018
RBP: 000000c0004117e0 R08: 00007f7b26cdef01 R09: 0000000000203000
R10: 0000000000000008 R11: 0000000000000206 R12: 00000000000000f5
R13: 0055555555555555 R14: 0000000000e5dabb R15: 0000000000000038
INFO: task syz-executor.0:276 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24360 pid:276 tgid:276 ppid:274 task_flags:0x400140 flags:0x00080000
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
jbd2_log_wait_commit+0x2bf/0x460
jbd2_journal_stop+0xa91/0xdf0
__ext4_journal_stop+0xe2/0x1f0
ext4_evict_inode+0x854/0x1610
evict+0x334/0x9e0
iput.part.0+0x7c9/0xd00
iput+0x35/0x40
filename_unlinkat+0x40c/0x620
__x64_sys_unlink+0x47/0x90
do_syscall_64+0xbf/0x420
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9da27bd457
RSP: 002b:00007ffd07287438 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9da27bd457
RDX: 00007ffd07287470 RSI: 00007ffd07287470 RDI: 00007ffd07287500
RBP: 00007ffd07287500 R08: 0000000000000001 R09: 00007ffd072872d0
R10: 000055556d1a7c7b R11: 0000000000000206 R12: 00007f9da2817105
R13: 00007ffd072885c0 R14: 000055556d1a7c20 R15: 00007ffd07288600
INFO: task syz-executor.7:18573 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:26696 pid:18573 tgid:18573 ppid:287 task_flags:0x400040 flags:0x00080002
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
wait_transaction_locked+0x19a/0x230
add_transaction_credits+0x116/0xe20
start_this_handle+0x3d3/0x12d0
jbd2__journal_start+0x393/0x820
__ext4_journal_start_sb+0x325/0x580
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1bc/0x1460
file_update_time_flags+0x45d/0x4f0
ext4_page_mkwrite+0x329/0x1710
do_page_mkwrite+0x17a/0x370
__handle_mm_fault+0x1096/0x2f30
handle_mm_fault+0x2d8/0x750
do_user_addr_fault+0x501/0x12b0
exc_page_fault+0xb0/0x180
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f49db5c7673
RSP: 002b:00007ffda8842ef8 EFLAGS: 00010287
RAX: 0000001b2d433000 RBX: 00007f49db1a1008 RCX: 0000001b2d420000
RDX: 0000001b2d433004 RSI: ffffffff81372699 RDI: 000000004460547a
RBP: 0000000000000001 R08: 0000001b2e420000 R09: 0000001b2d432f2c
R10: 000000000000147d R11: 000000004460547e R12: 0000000000000921
R13: 00007f49db731000 R14: ffffffff81372699 R15: 00007f49db73d0b0
INFO: task syz-executor.1:18574 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26696 pid:18574 tgid:18574 ppid:277 task_flags:0x400040 flags:0x00080002
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
wait_transaction_locked+0x19a/0x230
add_transaction_credits+0x116/0xe20
start_this_handle+0x3d3/0x12d0
jbd2__journal_start+0x393/0x820
__ext4_journal_start_sb+0x325/0x580
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1bc/0x1460
file_update_time_flags+0x45d/0x4f0
ext4_page_mkwrite+0x329/0x1710
do_page_mkwrite+0x17a/0x370
__handle_mm_fault+0x1096/0x2f30
handle_mm_fault+0x2d8/0x750
do_user_addr_fault+0x501/0x12b0
exc_page_fault+0xb0/0x180
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f37670f6673
RSP: 002b:00007ffd41c42d58 EFLAGS: 00010287
RAX: 0000001b2cd21000 RBX: 00007f3766ed0008 RCX: 0000001b2cd20000
RDX: 0000001b2cd21004 RSI: ffffffff8139615a RDI: 0000000073d91e0c
RBP: 0000000000000001 R08: 0000001b2dd20000 R09: 0000001b2cd20fe8
R10: 0000000000001e0c R11: 0000000073d91e10 R12: 000000000000002d
R13: 00007f3767260000 R14: ffffffff8139615a R15: 00007f376726bff0
INFO: task syz-executor.3:18598 blocked for more than 143 seconds.
Not tainted 6.19.0-rc6-next-20260123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29568 pid:18598 tgid:18598 ppid:283 task_flags:0x440040 flags:0x00080002
Call Trace:
__schedule+0xfce/0x4440
schedule+0xdb/0x390
__wait_on_freeing_inode+0x2af/0x3a0
insert_inode_locked+0x261/0x890
__ext4_new_inode+0x223d/0x4cd0
ext4_symlink+0x623/0xb40
vfs_symlink+0x180/0x4e0
filename_symlinkat+0x158/0x440
__x64_sys_symlink+0x82/0x110
do_syscall_64+0xbf/0x420
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb629942427
RSP: 002b:00007ffe874bcdc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb629942427
RDX: 00007ffe874bcea7 RSI: 00007fb62999d019 RDI: 00007ffe874bce90
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe874bcc60
R10: 00007ffe874bcb17 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffe874bce90
Showing all locks held in the system:
1 lock held by ksoftirqd/1/22:
#0: ffff88806cf37a20 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x253/0x4440
1 lock held by khungtaskd/31:
#0: ffffffff85e28000 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
3 locks held by systemd-journal/97:
#0: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: do_sys_ftruncate+0x65/0xb0
#1: ffff888017c6a078 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: do_truncate+0x12c/0x220
#2: ffff888017c6a218 (mapping.invalidate_lock#2){++++}-{4:4}, at: ext4_setattr+0xa8e/0x2670
3 locks held by rs:main Q:Reg/174:
#0: ffff8880168de0f8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a8/0x380
#1: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x121/0x240
#2: ffff888017ff2a00 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: ext4_buffered_write_iter+0xab/0x430
1 lock held by in:imklog/175:
3 locks held by syz-fuzzer/254:
#0: ffff888016eba2b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a8/0x380
#1: ffff888052592078 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: iterate_dir+0xdf/0x5f0
#2: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x46b/0x5f0
4 locks held by kworker/u9:4/271:
#0: ffff888009f2b948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ed/0x1960
#1: ffff88801af37d18 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x857/0x1960
#2: ffff88800f82e0e0 (&type->s_umount_key#48){++++}-{4:4}, at: super_trylock_shared+0x21/0x100
#3: ffff88800f82cb90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x244/0x5c0
2 locks held by syz-executor.0/276:
#0: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_unlinkat+0x183/0x620
#1: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
3 locks held by syz-executor.1/277:
#0: ffff88804e05d900 (&acct->lock#3){+.+.}-{4:4}, at: acct_process+0x1ff/0x750
#1: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: acct_process+0x51c/0x750
#2: ffff888048868d68 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: ext4_buffered_write_iter+0xab/0x430
1 lock held by syz-executor.3/3910:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/3999:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4053:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4072:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4152:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4176:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4931:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/4994:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/5192:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/5304:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/6225:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/6797:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/6936:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/7010:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/7062:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/7109:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/7136:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/8741:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/10379:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/10408:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/10490:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/10500:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/10910:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/11048:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/12503:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/12590:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/13324:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/13685:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/14693:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/15467:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/16753:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/16888:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/17070:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.3/17629:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
1 lock held by syz-executor.7/18417:
#0: ffff88800f82e5e8 (sb_internal){.+.+}-{0:0}, at: evict+0x334/0x9e0
2 locks held by syz-executor.7/18573:
#0: ffff888063aa9bc8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x118/0x560
#1: ffff88800f82e4f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x370
2 locks held by syz-executor.1/18574:
#0: ffff88804cd7cbc8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x118/0x560
#1: ffff88800f82e4f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x370
3 locks held by syz-executor.3/18598:
#0: ffff88800f82e3f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400
#1: ffff8880489f6330 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400
#2: ffff88800fc6a950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xe32/0x12d0
=============================================