INFO: task syz.1.151:6303 blocked for more than 143 seconds.
Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.151 state:D stack:27360 pid:6303 tgid:6298 ppid:5913 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
bfs_lookup+0x139/0x270 fs/bfs/dir.c:136
lookup_open fs/namei.c:3483 [inline]
open_last_lookups fs/namei.c:3574 [inline]
path_openat+0x11c2/0x35f0 fs/namei.c:3810
do_filp_open+0x235/0x490 fs/namei.c:3840
do_sys_openat2+0x13e/0x1d0 fs/open.c:1413
do_sys_open fs/open.c:1428 [inline]
__do_sys_open fs/open.c:1436 [inline]
__se_sys_open fs/open.c:1432 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1432
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: 0033:0x7f00b1775bd9
RSP: 002b:00007f00b2482048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f00b1904110 RCX: 00007f00b1775bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f00b17e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f00b1904110 R15: 00007ffd49aa9308
INFO: task syz.1.151:6305 blocked for more than 144 seconds.
Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.151 state:D stack:27360 pid:6305 tgid:6298 ppid:5913 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
d_wait_lookup fs/dcache.c:2455 [inline]
d_alloc_parallel+0xc19/0x1600 fs/dcache.c:2537
__lookup_slow+0x117/0x3f0 fs/namei.c:1677
lookup_slow+0x53/0x70 fs/namei.c:1709
walk_component+0x2e1/0x410 fs/namei.c:2004
lookup_last fs/namei.c:2469 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2493
filename_lookup+0x256/0x610 fs/namei.c:2522
user_path_at_empty+0x42/0x60 fs/namei.c:2929
user_path_at include/linux/namei.h:58 [inline]
__do_sys_chdir fs/open.c:558 [inline]
__se_sys_chdir+0xbf/0x220 fs/open.c:552
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: 0033:0x7f00b1775bd9
RSP: 002b:00007f00b11ff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 00007f00b19042c0 RCX: 00007f00b1775bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200003c0
RBP: 00007f00b17e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f00b19042c0 R15: 00007ffd49aa9308
INFO: task syz.1.151:6306 blocked for more than 144 seconds.
Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.151 state:D stack:26992 pid:6306 tgid:6298 ppid:5913 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mknodat+0x18b/0x5b0 fs/namei.c:4052
__do_sys_mknodat fs/namei.c:4093 [inline]
__se_sys_mknodat fs/namei.c:4090 [inline]
__x64_sys_mknodat+0xa9/0xc0 fs/namei.c:4090
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: 0033:0x7f00b1775bd9
RSP: 002b:00007f00b11de048 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f00b1904398 RCX: 00007f00b1775bd9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 000000000000000d
RBP: 00007f00b17e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f00b1904398 R15: 00007ffd49aa9308
Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
#0: ffff888017b89148 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888017b89148 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90000107d00 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc90000107d00 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_dfs_channels_update_work+0xbf/0x610 net/wireless/mlme.c:1021
1 lock held by khungtaskd/30:
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u8:3/51:
#0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ddf90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_unregister+0x236/0xaa0 net/wireless/core.c:1096
#4: ffff888044230768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5966 [inline]
#4: ffff888044230768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_unregister+0x240/0xaa0 net/wireless/core.c:1097
3 locks held by kworker/u8:4/62:
#0: ffff888029ee5948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888029ee5948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc900015d7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc900015d7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
3 locks held by kworker/1:2/781:
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc9000350fd00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc9000350fd00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by dhcpcd/4757:
#0: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101
2 locks held by getty/4845:
#0: ffff88802ab9e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:6/5160:
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90002e1fd00 (free_ipc_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc90002e1fd00 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#2: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
3 locks held by kworker/1:7/5198:
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90004adfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc90004adfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by syz-executor/6296:
#0: ffff888022270d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
#0: ffff888022270d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2728
#1: ffff888022270078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5063
#2: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#2: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939
2 locks held by syz.1.151/6299:
2 locks held by syz.1.151/6302:
2 locks held by syz.1.151/6303:
#0: ffff88807b540168 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:801 [inline]
#0: ffff88807b540168 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3573 [inline]
#0: ffff88807b540168 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: path_openat+0x7da/0x35f0 fs/namei.c:3810
#1: ffff8880644a18d8 (&info->bfs_lock){+.+.}-{3:3}, at: bfs_lookup+0x139/0x270 fs/bfs/dir.c:136
1 lock held by syz.1.151/6305:
#0: ffff88807b540168 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:801 [inline]
#0: ffff88807b540168 (&type->i_mutex_dir_key#15){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708
2 locks held by syz.1.151/6306:
#0: ffff888070308420 (sb_writers#23){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff88807b540168 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff88807b540168 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
3 locks held by syz-executor/7449:
#0: ffff88802c59cd88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
#0: ffff88802c59cd88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2728
#1: ffff88802c59c078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5063
#2: ffffffff8f754ec8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1982 [inline]
#2: ffffffff8f754ec8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2593
4 locks held by syz-executor/7499:
#0: ffff88802ff8a420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
#0: ffff88802ff8a420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff888022055488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff88802335b698 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef7de8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166
7 locks held by syz-executor/7522:
#0: ffff88802ff8a420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
#0: ffff88802ff8a420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff88801f2ae088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff88802335b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef7de8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
#4: ffff8880666e00e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#4: ffff8880666e00e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff8880666e00e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1290
#5: ffff8880666e1250 (&devlink->lock_key#18){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672
#6: ffffffff8f5ea7c8 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773
3 locks held by syz-executor/7693:
#0: ffff88802aa78d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
#0: ffff88802aa78d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2728
#1: ffff88802aa78078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5063
#2: ffffffff8f754ec8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1982 [inline]
#2: ffffffff8f754ec8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2593
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/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 PID: 6299 Comm: syz.1.151 Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__read_once_word_nocheck+0xc/0x20 include/asm-generic/rwonce.h:67
Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 53 48 89 fb e8 97 00 55 00 48 8b 03 <5b> e9 79 19 6f 0a 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90
RSP: 0018:ffffc900093a7590 EFLAGS: 00000246
RAX: ffffc900093a77d0 RBX: ffffc900093a7730 RCX: 0000000000040000
RDX: ffffc9000ed2f000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900093a7730 R08: ffffffff81411deb R09: ffffffff8141095f
R10: 0000000000000003 R11: ffff888021c3da00 R12: 1ffff92001274ee9
R13: 1ffff92001274eea R14: 1ffff92001274ee8 R15: ffffc900093a8000
FS: 00007f00b24c46c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000565028482950 CR3: 0000000023ea4000 CR4: 0000000000350ef0
Call Trace:
deref_stack_reg+0x1c7/0x260 arch/x86/kernel/unwind_orc.c:406
unwind_next_frame+0x1ab8/0x2a00 arch/x86/kernel/unwind_orc.c:648
__unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3940 [inline]
slab_alloc_node mm/slub.c:4002 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4009
alloc_buffer_head+0x2a/0x290 fs/buffer.c:3028
folio_alloc_buffers+0x241/0x5b0 fs/buffer.c:931
grow_dev_folio fs/buffer.c:1074 [inline]
grow_buffers fs/buffer.c:1115 [inline]
__getblk_slow fs/buffer.c:1141 [inline]
bdev_getblk+0x2cf/0x5a0 fs/buffer.c:1443
__bread_gfp+0x86/0x400 fs/buffer.c:1497
sb_bread include/linux/buffer_head.h:347 [inline]
bfs_readdir+0x1b4/0x490 fs/bfs/dir.c:47
iterate_dir+0x57c/0x810 fs/readdir.c:110
__do_sys_getdents fs/readdir.c:326 [inline]
__se_sys_getdents+0x1ef/0x4d0 fs/readdir.c:311
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: 0033:0x7f00b1775bd9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f00b24c4048 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f00b1903f60 RCX: 00007f00b1775bd9
RDX: 00000000000000b8 RSI: 0000000020001fc0 RDI: 0000000000000009
RBP: 00007f00b17e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f00b1903f60 R15: 00007ffd49aa9308