INFO: task syz-executor029:7515 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28880 7515 7452 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 00000000000000f0 R11: 0000000000000246 R12: 000000000006f5e3 R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor029:7518 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28880 7518 7446 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 00000000000000f0 R11: 0000000000000246 R12: 000000000006f5e5 R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor029:7522 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28880 7522 7479 0x00000000 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000007096c R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor029:7524 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28880 7524 7479 0x00000000 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf6 R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor029:7525 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28072 7525 7479 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf9 R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor029:7526 blocked for more than 140 seconds. Not tainted 5.0.0-rc7+ #85 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor029 D28880 7526 7525 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:757 [inline] process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:393 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x5d0 fs/open.c:1063 ksys_open include/linux/syscalls.h:1298 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442249 Code: e8 bc 04 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc02326db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442249 RDX: 0000000000442249 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007ffc02326de0 R08: 00000000000000f0 R09: 00000000000000f0 R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000071cf9 R13: 00000000004a9250 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1040: #0: 00000000b33b1b17 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 1 lock held by rsyslogd/7331: #0: 00000000472554c3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 2 locks held by getty/7421: #0: 000000000946e9a4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000536f8a83 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7422: #0: 000000000f00229c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000002fd04631 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7423: #0: 00000000d669190c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000fe8f8059 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7424: #0: 000000002568e4dd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000006f772cf5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7425: #0: 00000000447753f3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000c7c7f008 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7426: #0: 00000000afcbf8c7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000026623698 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7427: #0: 000000009ab4afd1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000fb54d92a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by syz-executor029/7515: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 2 locks held by syz-executor029/7517: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: file_start_write include/linux/fs.h:2816 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: vfs_write+0x429/0x580 fs/read_write.c:548 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_trylock include/linux/fs.h:777 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_file_write_iter+0x250/0x1160 fs/ext4/file.c:232 2 locks held by syz-executor029/7518: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 2 locks held by syz-executor029/7522: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 2 locks held by syz-executor029/7524: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 2 locks held by syz-executor029/7525: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 2 locks held by syz-executor029/7526: #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: sb_start_write include/linux/fs.h:1603 [inline] #0: 00000000d9f6109b (sb_writers#3){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:357 #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] #1: 00000000be0f3d76 (&sb->s_type->i_mutex_key#10){+.+.}, at: process_measurement+0x9ae/0x1570 security/integrity/ima/ima_main.c:207 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc7+ #85 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:57