INFO: task kworker/0:2:936 blocked for more than 143 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:16464 pid:936 tgid:936 ppid:2 flags:0x00004000
Workqueue: bcachefs_write_ref bch2_delete_dead_snapshots_work (bcachefs-delete-dead-snapshots/)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x185a/0x4b70 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
__closure_sync_timeout+0x2d8/0x450 lib/closure.c:217
closure_sync_timeout include/linux/closure.h:206 [inline]
__bch2_wait_on_allocator+0x11a/0x250 fs/bcachefs/alloc_foreground.c:1799
bch2_wait_on_allocator fs/bcachefs/alloc_foreground.h:239 [inline]
bch2_btree_update_start+0x11a2/0x14e0 fs/bcachefs/btree_update_interior.c:1274
bch2_btree_split_leaf+0x123/0x840 fs/bcachefs/btree_update_interior.c:1850
bch2_trans_commit_error+0x212/0x1390 fs/bcachefs/btree_trans_commit.c:942
__bch2_trans_commit+0x7ead/0x93c0 fs/bcachefs/btree_trans_commit.c:1140
bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
bch2_delete_dead_snapshots+0x19b6/0x5ae0 fs/bcachefs/snapshot.c:1643
bch2_delete_dead_snapshots_work+0x34/0x40 fs/bcachefs/snapshot.c:1718
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz.3.106:6504 blocked for more than 145 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.106 state:D stack:18136 pid:6504 tgid:6501 ppid:6164 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x185a/0x4b70 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
__closure_sync_timeout+0x2d8/0x450 lib/closure.c:217
closure_sync_timeout include/linux/closure.h:206 [inline]
__bch2_wait_on_allocator+0x11a/0x250 fs/bcachefs/alloc_foreground.c:1799
bch2_wait_on_allocator fs/bcachefs/alloc_foreground.h:239 [inline]
__bch2_write+0x56ad/0x5e30 fs/bcachefs/io_write.c:1504
bch2_write+0x9b5/0x1760 fs/bcachefs/io_write.c:1634
closure_queue include/linux/closure.h:270 [inline]
closure_call include/linux/closure.h:432 [inline]
bch2_dio_write_loop fs/bcachefs/fs-io-direct.c:532 [inline]
bch2_direct_write+0x1afb/0x31a0 fs/bcachefs/fs-io-direct.c:655
bch2_write_iter+0x18e/0x23f0 fs/bcachefs/fs-io-buffered.c:1030
do_iter_readv_writev+0x600/0x880
vfs_writev+0x376/0xba0 fs/read_write.c:1064
do_pwritev fs/read_write.c:1165 [inline]
__do_sys_pwritev2 fs/read_write.c:1224 [inline]
__se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1215
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: 0033:0x7fd866d7dff9
RSP: 002b:00007fd867c1d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fd866f35f80 RCX: 00007fd866d7dff9
RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000007
RBP: 00007fd866df0296 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd866f35f80 R15: 00007ffd8395f3b8
INFO: task bch-reclaim/loo:6522 blocked for more than 146 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:bch-reclaim/loo state:D stack:22768 pid:6522 tgid:6522 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x185a/0x4b70 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
__closure_sync_timeout+0x2d8/0x450 lib/closure.c:217
closure_sync_timeout include/linux/closure.h:206 [inline]
__bch2_wait_on_allocator+0x11a/0x250 fs/bcachefs/alloc_foreground.c:1799
bch2_wait_on_allocator fs/bcachefs/alloc_foreground.h:239 [inline]
bch2_btree_update_start+0x11a2/0x14e0 fs/bcachefs/btree_update_interior.c:1274
bch2_btree_split_leaf+0x123/0x840 fs/bcachefs/btree_update_interior.c:1850
bch2_trans_commit_error+0x212/0x1390 fs/bcachefs/btree_trans_commit.c:942
__bch2_trans_commit+0x7ead/0x93c0 fs/bcachefs/btree_trans_commit.c:1140
bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
bch2_btree_write_buffer_flush_locked+0x4f03/0x59f0 fs/bcachefs/btree_write_buffer.c:429
btree_write_buffer_flush_seq+0x1a43/0x1bc0 fs/bcachefs/btree_write_buffer.c:510
bch2_btree_write_buffer_journal_flush+0x4e/0x80 fs/bcachefs/btree_write_buffer.c:525
journal_flush_pins+0x5f7/0xb20 fs/bcachefs/journal_reclaim.c:565
__bch2_journal_reclaim+0x789/0xdc0 fs/bcachefs/journal_reclaim.c:698
bch2_journal_reclaim_thread+0x174/0x560 fs/bcachefs/journal_reclaim.c:740
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
3 locks held by kworker/0:0/8:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900000d7d00 ((fqdir_free_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900000d7d00 ((fqdir_free_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8e93d280 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4c/0x530 kernel/rcu/tree.c:4562
3 locks held by kworker/0:1/9:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987
#2: ffff888063394240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 drivers/net/netdevsim/fib.c:1488
3 locks held by kworker/u8:1/12:
#0: ffff88802deb7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88802deb7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4196
3 locks held by kworker/1:0/25:
#0: ffff88801ac81148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac81148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900001f7d00 ((work_completion)(&c->read_only_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900001f7d00 ((work_completion)(&c->read_only_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffff888076100278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_read_only_work+0x25/0x40 fs/bcachefs/super.c:392
1 lock held by khungtaskd/30:
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
4 locks held by kworker/0:2/936:
#0: ffff88805e5b4d48 ((wq_completion)bcachefs_write_ref){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88805e5b4d48 ((wq_completion)bcachefs_write_ref){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90003947d00 ((work_completion)(&c->snapshot_delete_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90003947d00 ((work_completion)(&c->snapshot_delete_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:151 [inline]
#2: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:250 [inline]
#2: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_trans_srcu_lock+0x97/0x1a0 fs/bcachefs/btree_iter.c:3040
#3: ffff8880761266d0 (&c->gc_lock){++++}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 fs/bcachefs/btree_update_interior.c:1202
3 locks held by kworker/u8:6/2570:
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc90009687d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90009687d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8e93d280 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4c/0x530 kernel/rcu/tree.c:4562
3 locks held by kworker/u8:8/3141:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc9000a727d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000a727d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
2 locks held by getty/4975:
#0: ffff888032d6a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz.3.106/6504:
#0: ffff88807c828420 (sb_writers#17){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline]
#0: ffff88807c828420 (sb_writers#17){.+.+}-{0:0}, at: vfs_writev+0x2d1/0xba0 fs/read_write.c:1062
#1: ffff8880593b44c8 (&sb->s_type->i_mutex_key#24){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff8880593b44c8 (&sb->s_type->i_mutex_key#24){++++}-{3:3}, at: bch2_direct_write+0x243/0x31a0 fs/bcachefs/fs-io-direct.c:599
4 locks held by bch-reclaim/loo/6522:
#0: ffff88807614b0a8 (&j->reclaim_lock){+.+.}-{3:3}, at: bch2_journal_reclaim_thread+0x167/0x560 fs/bcachefs/journal_reclaim.c:739
#1: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:151 [inline]
#1: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:250 [inline]
#1: ffff888076104398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7de/0xd20 fs/bcachefs/btree_iter.c:3215
#2: ffff888076104740 (&wb->flushing.lock){+.+.}-{3:3}, at: btree_write_buffer_flush_seq+0x1a39/0x1bc0 fs/bcachefs/btree_write_buffer.c:509
#3: ffff8880761266d0 (&c->gc_lock){++++}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 fs/bcachefs/btree_update_interior.c:1202
3 locks held by syz.4.178/7184:
1 lock held by syz.4.178/7211:
#0: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3691 [inline]
#0: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: path_openat+0x89a/0x3590 fs/namei.c:3930
2 locks held by syz.4.178/7217:
#0: ffff8880317de420 (sb_writers#31){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3691 [inline]
#1: ffff88805dbe8180 (&type->i_mutex_dir_key#19){+.+.}-{3:3}, at: path_openat+0x89a/0x3590 fs/namei.c:3930
4 locks held by syz-executor/8051:
#0: ffff888079a24d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff888079a24d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff888079a24078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
#2: ffffffff8fe2d268 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1972 [inline]
#2: ffffffff8fe2d268 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592
#3: ffffffff8e93d3b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#3: ffffffff8e93d3b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:976
1 lock held by syz-executor/8078:
#0: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
1 lock held by syz-executor/8082:
#0: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fcc0948 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
3 locks held by syz-executor/8137:
#0: ffff88806c2bcd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88806c2bcd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff88806c2bc078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
#2: ffffffff8e93d3b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#2: ffffffff8e93d3b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:976
3 locks held by syz.0.330/8332:
#0: ffff88805a3720e0 (&type->s_umount_key#55/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:344
#1: ffffffff8eec28c8 (uuid_mutex){+.+.}-{3:3}, at: btrfs_close_devices+0xc0/0x5c0 fs/btrfs/volumes.c:1160
#2: ffffffff8e9f90a8 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:843
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
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+0xff4/0x1040 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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: 7184 Comm: syz.4.178 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:memset_orig+0x75/0xb0 arch/x86/lib/memset_64.S:90
Code: 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 <48> 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 4c
RSP: 0018:ffffc9000336eb08 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc9000336ec18 RCX: 0000000000000001
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc9000336ec30
RBP: dffffc0000000000 R08: ffffc9000336ec3f R09: 0000000000000000
R10: ffffc9000336ec30 R11: fffff5200066dd88 R12: ffffc90003370000
R13: ffffc9000336ebe0 R14: ffffffff81ef6e35 R15: ffffc9000336ec30
FS: 00007fb9e5b8f6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7843411000 CR3: 0000000031506000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0xcfb/0x22d0 arch/x86/kernel/unwind_orc.c:592
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
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:319 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
mempool_alloc_noprof+0x197/0x5a0 mm/mempool.c:402
bio_alloc_bioset+0x26f/0x1130 block/bio.c:554
bio_alloc include/linux/bio.h:374 [inline]
submit_bh_wbc+0x277/0x560 fs/buffer.c:2799
submit_bh fs/buffer.c:2824 [inline]
__bread_slow fs/buffer.c:1270 [inline]
__bread_gfp+0x23c/0x400 fs/buffer.c:1494
sb_bread include/linux/buffer_head.h:346 [inline]
get_branch+0x2c3/0x6e0 fs/sysv/itree.c:102
get_block+0x180/0x16d0 fs/sysv/itree.c:222
block_read_full_folio+0x418/0xcd0 fs/buffer.c:2401
filemap_read_folio+0x14b/0x630 mm/filemap.c:2367
do_read_cache_folio+0x3f5/0x850 mm/filemap.c:3825
read_mapping_folio include/linux/pagemap.h:1011 [inline]
dir_get_folio fs/sysv/dir.c:64 [inline]
sysv_find_entry+0x16a/0x4b0 fs/sysv/dir.c:154
sysv_inode_by_name+0x98/0x2a0 fs/sysv/dir.c:370
sysv_lookup+0x6b/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3573 [inline]
open_last_lookups fs/namei.c:3694 [inline]
path_openat+0x11a7/0x3590 fs/namei.c:3930
do_filp_open+0x235/0x490 fs/namei.c:3960
do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1441
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: 0033:0x7fb9e4d7dff9
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:00007fb9e5b8f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb9e4f35f80 RCX: 00007fb9e4d7dff9
RDX: 0000000000143042 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fb9e4df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb9e4f35f80 R15: 00007ffd8f7d90c8