INFO: task syz-executor101:10811 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10811 ppid: 10794 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10814 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28240 pid:10814 ppid: 10798 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10817 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:27440 pid:10817 ppid: 10793 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10825 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10825 ppid: 10796 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10828 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10828 ppid: 10795 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10823 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10823 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10835 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10835 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 INFO: task syz-executor101:10837 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor101 state:D stack:28368 pid:10837 ppid: 10797 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:756 [inline] process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ima_file_check+0xac/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x28f0 fs/namei.c:3691 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1313 do_sys_open fs/open.c:1329 [inline] __do_sys_openat fs/open.c:1345 [inline] __se_sys_openat fs/open.c:1340 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1340 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7effebde0a69 RSP: 002b:00007effebd92308 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effebe68408 RCX: 00007effebde0a69 RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c RBP: 00007effebe68400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effebe6840c R13: 00007effebe36064 R14: 0030656c69662f2e R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8bf88bb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/14: #0: ffffffff8bf888b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/29: #0: ffffffff8bf89700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492 2 locks held by getty/3288: #0: ffff88814b870098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177 2 locks held by syz-executor101/10811: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10814: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10817: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 3 locks held by syz-executor101/10815: #0: ffff88805e7e3268 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe3/0x100 fs/file.c:1036 #1: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x127/0x250 fs/read_write.c:637 #2: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #2: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:264 2 locks held by syz-executor101/10825: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10828: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10823: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10835: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 2 locks held by syz-executor101/10837: #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: do_open fs/namei.c:3550 [inline] #0: ffff88814b8a2460 (sb_writers#4){.+.+}-{0:0}, at: path_openat+0x1b5d/0x28f0 fs/namei.c:3691 #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888061496850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x168d/0x18b0 security/integrity/ima/ima_main.c:241 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc18/0xf50 kernel/hung_task.c:369 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 47 Comm: kworker/u4:3 Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:115 [inline] RIP: 0010:lock_release+0xd8/0x780 kernel/locking/lockdep.c:5679 Code: 00 48 c7 c3 8c 1a df 8d 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 <84> d2 0f 85 99 05 00 00 44 8b 15 e5 a4 7f 0c 45 85 d2 0f 84 f7 02 RSP: 0018:ffffc90000b879a0 EFLAGS: 00000202 RAX: 0000000000000007 RBX: ffffffff8ddf1a8c RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff92000170f36 R08: 0000000000000000 R09: ffffffff8ddee6d7 R10: fffffbfff1bbdcda R11: 0000000000000000 R12: ffffffff8be51c08 R13: 0000000000000000 R14: ffffffff8be51ba0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ba2d42d680 CR3: 000000000bc8e000 CR4: 0000000000350ee0 Call Trace: __mutex_unlock_slowpath+0x99/0x5e0 kernel/locking/mutex.c:907 arch_jump_label_transform_queue+0xa0/0x100 arch/x86/kernel/jump_label.c:139 __jump_label_update+0x12e/0x410 kernel/jump_label.c:447 jump_label_update+0x32f/0x410 kernel/jump_label.c:801 static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 toggle_allocation_gate mm/kfence/core.c:825 [inline] toggle_allocation_gate+0x183/0x390 mm/kfence/core.c:803 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306