INFO: task kworker/0:0H:10 blocked for more than 143 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0H state:D stack:25272 pid:10 tgid:10 ppid:2 flags:0x00004000 Workqueue: bcachefs_btree_io btree_node_write_work Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493 six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline] __bch2_btree_node_lock_write+0x122/0x3d0 fs/bcachefs/btree_locking.c:428 __btree_node_lock_write fs/bcachefs/btree_locking.h:298 [inline] bch2_btree_node_lock_write_nofail+0x24c/0x440 fs/bcachefs/btree_locking.c:442 __bch2_btree_node_update_key fs/bcachefs/btree_update_interior.c:2393 [inline] bch2_btree_node_update_key+0x16ff/0x3260 fs/bcachefs/btree_update_interior.c:2453 bch2_btree_node_update_key_get_iter+0x852/0xa90 fs/bcachefs/btree_update_interior.c:2496 btree_node_write_work+0x86e/0xde0 fs/bcachefs/btree_io.c:1890 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 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.0.124:6550 blocked for more than 143 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:14552 pid:6550 tgid:6549 ppid:6177 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493 six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline] __bch2_btree_node_lock_write+0x122/0x3d0 fs/bcachefs/btree_locking.c:428 __btree_node_lock_write fs/bcachefs/btree_locking.h:298 [inline] bch2_btree_node_lock_write fs/bcachefs/btree_locking.h:306 [inline] bch2_trans_lock_write+0x735/0xce0 fs/bcachefs/btree_trans_commit.c:124 do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:872 [inline] __bch2_trans_commit+0x3524/0x88e0 fs/bcachefs/btree_trans_commit.c:1119 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] __bch2_create+0x992/0xe90 fs/bcachefs/fs.c:360 bch2_mknod fs/bcachefs/fs.c:492 [inline] bch2_create+0xe2/0x190 fs/bcachefs/fs.c:506 lookup_open fs/namei.c:3505 [inline] open_last_lookups fs/namei.c:3574 [inline] path_openat+0x1a84/0x35f0 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe7326e8048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe731b03f60 RCX: 00007fe731975bd9 RDX: 0000000000000000 RSI: 0000000400141042 RDI: 0000000020000080 RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe731b03f60 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6562 blocked for more than 144 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:26208 pid:6562 tgid:6549 ppid:6177 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe7326c7048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe731b04038 RCX: 00007fe731975bd9 RDX: 0000000000000000 RSI: 0000000000101c42 RDI: 0000000020000100 RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b04038 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6564 blocked for more than 144 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:27392 pid:6564 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe7326a6048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe731b04110 RCX: 00007fe731975bd9 RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000000020000180 RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b04110 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6565 blocked for more than 145 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:27056 pid:6565 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe732685048 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe731b041e8 RCX: 00007fe731975bd9 RDX: 0000000000000000 RSI: 0000000000064842 RDI: 00000000200005c0 RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b041e8 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6566 blocked for more than 145 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:24848 pid:6566 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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_openat fs/open.c:1444 [inline] __se_sys_openat fs/open.c:1439 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1439 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe732664048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe731b042c0 RCX: 00007fe731975bd9 RDX: 0000000000141842 RSI: 0000000020000200 RDI: ffffffffffffff9c RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b042c0 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6577 blocked for more than 145 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:27392 pid:6577 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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_openat fs/open.c:1444 [inline] __se_sys_openat fs/open.c:1439 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1439 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe7313ff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe731b04398 RCX: 00007fe731975bd9 RDX: 000000000006b142 RSI: 0000000020004400 RDI: ffffffffffffff9c RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b04398 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6578 blocked for more than 145 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:27392 pid:6578 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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_openat fs/open.c:1444 [inline] __se_sys_openat fs/open.c:1439 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1439 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe7313de048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe731b04470 RCX: 00007fe731975bd9 RDX: 000000000000275a RSI: 0000000020000140 RDI: ffffffffffffff9c RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b04470 R15: 00007ffc5b9daf58 INFO: task syz.0.124:6581 blocked for more than 146 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.124 state:D stack:26400 pid:6581 tgid:6549 ppid:6177 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 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 include/linux/fs.h:791 [inline] open_last_lookups fs/namei.c:3571 [inline] path_openat+0x7e9/0x35f0 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_openat fs/open.c:1444 [inline] __se_sys_openat fs/open.c:1439 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1439 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: 0033:0x7fe731975bd9 RSP: 002b:00007fe73137b048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe731b046f8 RCX: 00007fe731975bd9 RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007fe7319e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe731b046f8 R15: 00007ffc5b9daf58 INFO: task bch-reclaim/loo:6558 blocked for more than 146 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:bch-reclaim/loo state:D stack:26128 pid:6558 tgid:6558 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493 six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline] btree_node_lock_nopath+0xbc/0x170 fs/bcachefs/btree_locking.h:221 btree_node_lock fs/bcachefs/btree_locking.h:268 [inline] btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] bch2_btree_path_traverse_one+0xc25/0x2930 fs/bcachefs/btree_iter.c:1177 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:229 [inline] bch2_btree_iter_traverse+0x6c0/0xcc0 fs/bcachefs/btree_iter.c:1856 btree_key_cache_flush_pos fs/bcachefs/btree_key_cache.c:655 [inline] bch2_btree_key_cache_journal_flush+0x917/0xee0 fs/bcachefs/btree_key_cache.c:736 journal_flush_pins+0x5f7/0xb20 fs/bcachefs/journal_reclaim.c:553 __bch2_journal_reclaim+0x77d/0xe40 fs/bcachefs/journal_reclaim.c:685 bch2_journal_reclaim_thread+0x174/0x560 fs/bcachefs/journal_reclaim.c:727 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 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings Showing all locks held in the system: 2 locks held by pool_workqueue_/3: 3 locks held by kworker/0:1/9: #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900000e7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900000e7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 4 locks held by kworker/0:0H/10: #0: ffff88807dfe2948 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff88807dfe2948 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900000f7d00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900000f7d00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193 #3: ffff888063a6c870 (&dev->mutex){....}-{3:3}, at: bch2_btree_node_update_key_get_iter+0x18c/0xa90 fs/bcachefs/btree_update_interior.c:2477 3 locks held by kworker/u8:1/12: #0: ffff888029c96948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff888029c96948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193 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 7 locks held by kworker/u8:6/2459: #0: ffff88801aef1148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff88801aef1148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90008fa7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc90008fa7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:562 #3: ffff88806328b8e8 (&inode->ei_update_lock){+.+.}-{3:3}, at: bch2_vfs_write_inode+0x69/0xc0 fs/bcachefs/fs.c:1564 #4: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #4: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #4: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193 #5: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #5: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #5: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #5: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #6: ffff88806337a070 (&dev->mutex){....}-{3:3}, at: bch2_trans_iter_init fs/bcachefs/btree_iter.h:503 [inline] #6: ffff88806337a070 (&dev->mutex){....}-{3:3}, at: __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:551 [inline] #6: ffff88806337a070 (&dev->mutex){....}-{3:3}, at: bch2_bkey_get_iter fs/bcachefs/btree_iter.h:566 [inline] #6: ffff88806337a070 (&dev->mutex){....}-{3:3}, at: bch2_inode_peek_nowarn+0x1f5/0x4d0 fs/bcachefs/inode.c:340 4 locks held by kworker/u8:8/2488: #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900091c7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900091c7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5c80d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffffffff8e3391c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4c/0x530 kernel/rcu/tree.c:4448 2 locks held by kworker/u8:9/2919: 2 locks held by dhcpcd/4748: #0: ffffffff8f5b9a88 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x664/0x8e0 net/socket.c:1303 #1: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553 2 locks held by getty/4843: #0: ffff88802f8aa0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211 10 locks held by syz.0.124/6550: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 #2: ffff88806328b180 (&inode->ei_update_lock){+.+.}-{3:3}, at: __bch2_create+0x340/0xe90 fs/bcachefs/fs.c:335 #3: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #3: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #3: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193 #4: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #4: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #5: ffff88806337bca8 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #5: ffff88806337bca8 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #6: ffff88807d7f1870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #6: ffff88807d7f1870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #7: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #7: ffff88807de85870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #8: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline] #8: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline] #8: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0x1ec/0x570 fs/bcachefs/btree_iter.c:1249 #9: ffff88806336a5d0 (&dev->mutex){....}-{3:3}, at: six_trylock_intent fs/bcachefs/six.h:366 [inline] #9: ffff88806336a5d0 (&dev->mutex){....}-{3:3}, at: bkey_cached_alloc fs/bcachefs/btree_key_cache.c:290 [inline] #9: ffff88806336a5d0 (&dev->mutex){....}-{3:3}, at: btree_key_cache_create fs/bcachefs/btree_key_cache.c:330 [inline] #9: ffff88806336a5d0 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached_slowpath+0x1559/0x48c0 fs/bcachefs/btree_key_cache.c:485 2 locks held by syz.0.124/6562: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6564: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6565: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6566: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6577: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6578: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 2 locks held by syz.0.124/6581: #0: ffff88807fbb6420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline] #1: ffff88806328adc0 (&type->i_mutex_dir_key#15){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810 5 locks held by bch-reclaim/loo/6558: #0: ffff88806f9cafe8 (&j->reclaim_lock){+.+.}-{3:3}, at: bch2_journal_reclaim_thread+0x167/0x560 fs/bcachefs/journal_reclaim.c:726 #1: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #1: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #1: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193 #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #2: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_btree_key_cache_journal_flush+0x120/0xee0 fs/bcachefs/btree_key_cache.c:716 #3: ffff88806337a070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached+0x48d/0xd50 #4: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: bch2_trans_iter_init fs/bcachefs/btree_iter.h:503 [inline] #4: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_key_cache_flush_pos fs/bcachefs/btree_key_cache.c:612 [inline] #4: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: bch2_btree_key_cache_journal_flush+0x596/0xee0 fs/bcachefs/btree_key_cache.c:736 5 locks held by syz.0.124/6561: #0: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #0: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #0: ffff88806f9842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_trans_srcu_lock+0xb1/0x220 fs/bcachefs/btree_iter.c:3021 #1: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #1: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #1: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #1: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #2: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline] #2: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline] #2: ffff88807d7f5870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0x1ec/0x570 fs/bcachefs/btree_iter.c:1249 #3: ffff888063a6c870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #3: ffff888063a6c870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #3: ffff888063a6c870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #3: ffff888063a6c870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #4: ffff88806f9e1398 (&c->fsck_error_msgs_lock){+.+.}-{3:3}, at: bch2_fsck_err+0x311/0x1450 fs/bcachefs/error.c:239 2 locks held by syz.1.151/6918: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 #1: ffff88807c50e7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline] #1: ffff88807c50e7d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb20 fs/fs-writeback.c:2790 1 lock held by syz.0.192/7260: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x196/0x400 fs/super.c:120 1 lock held by syz.3.166/7381: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by syz.1.195/7383: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by syz.0.215/7555: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by syz.0.215/7556: #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88807fbb60e0 (&type->s_umount_key#92){++++}-{3:3}, at: super_lock+0x196/0x400 fs/super.c:120 1 lock held by syz-executor/7873: #0: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 1 lock held by syz-executor/8213: #0: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #0: ffffffff8e3392f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939 1 lock held by syz.0.330/8479: #0: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8f5d4908 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #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+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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2481 Comm: kworker/u8:7 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:unwind_next_frame+0x1b3/0x2a00 arch/x86/kernel/unwind_orc.c:494 Code: 2a 48 8b 44 24 30 42 80 3c 30 00 74 08 48 89 df e8 e2 a0 b7 00 48 03 2b 48 8d 75 ff 31 ff e8 04 3a 55 00 48 ff cd 4c 89 24 24 <4c> 89 7c 24 70 4c 89 6c 24 48 0f 84 41 01 00 00 48 c7 c3 00 00 00 RSP: 0018:ffffc90008ff6800 EFLAGS: 00000287 RAX: 0000000000000000 RBX: ffffc90008ff6988 RCX: ffff888029b55a00 RDX: ffffc90008ff6975 RSI: ffffffff81376ee2 RDI: 0000000000000000 RBP: ffffffff81376ee2 R08: ffffffff8140f19c R09: ffffffff8141095f R10: 0000000000000003 R11: ffff888029b55a00 R12: ffffc90008ff6940 R13: ffffc90008ff6990 R14: dffffc0000000000 R15: ffffffff81376ee3 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055701530d131 CR3: 000000000e132000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3781 cfg80211_update_known_bss+0xb39/0x1500 net/wireless/scan.c:1862 __cfg80211_bss_update+0x150/0x20c0 net/wireless/scan.c:1908 cfg80211_inform_single_bss_data+0xfd6/0x2360 net/wireless/scan.c:2289 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline] ieee80211_ibss_rx_queued_mgmt+0x1962/0x2d70 net/mac80211/ibss.c:1605 ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline] ieee80211_iface_work+0x8a3/0xf10 net/mac80211/iface.c:1657 cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 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