INFO: task syz-executor:2948 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23904 pid:2948 tgid:2948 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7672845621 RSP: 002b:00007ffcc6aeb5d0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00000000000004ae RCX: 00007f7672845621 RDX: 0000000000090800 RSI: 00007f76728c1e28 RDI: 00000000ffffff9c RBP: 00007ffcc6aeb66c R08: 000000000002d8be R09: 00007f76726ba000 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 0000000000117442 R14: 00007ffcc6aeb6c0 R15: 000000000000019e INFO: task syz-executor:2950 blocked for more than 143 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23696 pid:2950 tgid:2950 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8136e25621 RSP: 002b:00007ffdc79a7890 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00000000000004b2 RCX: 00007f8136e25621 RDX: 0000000000090800 RSI: 00007f8136ea1e28 RDI: 00000000ffffff9c RBP: 00007ffdc79a792c R08: 000000000002d956 R09: 00007f8137b56000 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 000000000011786b R14: 00007ffdc79a7980 R15: 00000000000001a5 INFO: task syz-executor:2951 blocked for more than 144 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24016 pid:2951 tgid:2951 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6979a75621 RSP: 002b:00007fff57ff1220 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000000000000044b RCX: 00007f6979a75621 RDX: 0000000000090800 RSI: 00007f6979af1e28 RDI: 00000000ffffff9c RBP: 00007fff57ff12bc R08: 000000000002d9ca R09: 00007f697a7a7000 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 0000000000117b74 R14: 00007fff57ff1310 R15: 0000000000000190 INFO: task syz-executor:2955 blocked for more than 144 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23776 pid:2955 tgid:2955 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58ebc95621 RSP: 002b:00007ffd6520dd90 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000460 RCX: 00007f58ebc95621 RDX: 0000000000090800 RSI: 00007f58ebd11e28 RDI: 00000000ffffff9c RBP: 00007ffd6520de2c R08: 000000000002d8b0 R09: 00007f58ebb0a000 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 0000000000117bb0 R14: 00007ffd6520de80 R15: 0000000000000196 INFO: task syz-executor:2956 blocked for more than 145 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22496 pid:2956 tgid:2956 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f692c2e5621 RSP: 002b:00007fffd4fa3aa0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00000000000004b0 RCX: 00007f692c2e5621 RDX: 0000000000090800 RSI: 00007f692c361e28 RDI: 00000000ffffff9c RBP: 00007fffd4fa3b3c R08: 000000000002d818 R09: 00007f692c15a000 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 0000000000116fd3 R14: 00007fffd4fa3b90 R15: 000000000000019d INFO: task udevd:5233 blocked for more than 145 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24064 pid:5233 tgid:5233 ppid:2846 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2408 [inline] path_lookupat+0x93/0x770 fs/namei.c:2633 filename_lookup+0x221/0x5f0 fs/namei.c:2663 vfs_statx+0xf8/0x1c0 fs/stat.c:344 vfs_fstatat+0x7b/0xf0 fs/stat.c:366 __do_sys_newfstatat+0xa2/0x130 fs/stat.c:530 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff494aea5f4 RSP: 002b:00007ffd672ee9c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00005632f3a13780 RCX: 00007ff494aea5f4 RDX: 00007ffd672ee9d8 RSI: 00007ffd672eea68 RDI: 00000000ffffff9c RBP: 00005632f3a1c66f R08: 00005632f3a1c66f R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 0000000000000000 R13: 00005632f3a13870 R14: 00007ffd672eea68 R15: 00005632cc77e160 INFO: task udevd:5306 blocked for more than 145 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24064 pid:5306 tgid:5306 ppid:2846 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff494aea9a4 RSP: 002b:00007ffd672ec220 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff494aea9a4 RDX: 0000000000080000 RSI: 00007ffd672ec358 RDI: 00000000ffffff9c RBP: 00007ffd672ec358 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 00005632cc762b42 R14: 0000000000000001 R15: 00005632cc77e160 INFO: task syz.2.2056:12185 blocked for more than 146 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.2056 state:D stack:28944 pid:12185 tgid:12184 ppid:2956 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578 kernfs_activate fs/kernfs/dir.c:1403 [inline] kernfs_add_one+0x39d/0x520 fs/kernfs/dir.c:819 kernfs_create_dir_ns+0xf4/0x150 fs/kernfs/dir.c:1071 sysfs_create_dir_ns+0x13b/0x2b0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x2c8/0x990 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_init_and_add+0x11c/0x190 lib/kobject.c:457 bus_add_driver+0x186/0x690 drivers/base/bus.c:668 driver_register+0x15c/0x4b0 drivers/base/driver.c:246 usb_gadget_register_driver_owner+0x132/0x330 drivers/usb/gadget/udc/core.c:1700 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f692c2e592b RSP: 002b:00007f692a94ef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f692c2e592b RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f692a94ffe0 R08: 0000000000000000 R09: 00322e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f692a94efb0 R14: 0000000020000000 R15: 00007f692c600320 INFO: task syz-executor:12195 blocked for more than 146 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26080 pid:12195 tgid:12195 ppid:2938 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f85fe024611 RSP: 002b:00007ffdbf2e2e00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f85fe024611 RDX: 0000000000000002 RSI: 00007f85fe0a1bad RDI: 00000000ffffff9c RBP: 00007f85fe0a1bad R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 INFO: task syz-executor:12196 blocked for more than 147 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26048 pid:12196 tgid:12196 ppid:2938 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f44d1434611 RSP: 002b:00007fffa5cb5660 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f44d1434611 RDX: 0000000000000002 RSI: 00007f44d14b1bad RDI: 00000000ffffff9c RBP: 00007f44d14b1bad R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz-executor:12197 blocked for more than 147 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26048 pid:12197 tgid:12197 ppid:2938 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2df79f4611 RSP: 002b:00007ffd41b97540 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2df79f4611 RDX: 0000000000000002 RSI: 00007f2df7a71bad RDI: 00000000ffffff9c RBP: 00007f2df7a71bad R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz-executor:12198 blocked for more than 148 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26048 pid:12198 tgid:12198 ppid:2938 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa01b464611 RSP: 002b:00007ffd205d3200 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa01b464611 RDX: 0000000000000002 RSI: 00007fa01b4e1bad RDI: 00000000ffffff9c RBP: 00007fa01b4e1bad R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz-executor:12199 blocked for more than 148 seconds. Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26080 pid:12199 tgid:12199 ppid:2938 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x102c/0x34b0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x61e/0xb20 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x124/0x330 kernel/locking/rwsem.c:1526 kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 d_revalidate fs/namei.c:927 [inline] d_revalidate fs/namei.c:924 [inline] lookup_fast+0x239/0x540 fs/namei.c:1752 walk_component+0x5b/0x5b0 fs/namei.c:2108 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477 link_path_walk fs/namei.c:2409 [inline] path_openat+0x228/0x2d60 fs/namei.c:3983 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4aeb624611 RSP: 002b:00007ffc644ee190 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4aeb624611 RDX: 0000000000000002 RSI: 00007f4aeb6a1bad RDI: 00000000ffffff9c RBP: 00007f4aeb6a1bad R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff88ebc880 (rcu_read_lock ){....}-{1:3} , at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] , at: rcu_read_lock include/linux/rcupdate.h:849 [inline] , at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744 2 locks held by getty/2904: #0: ffff8881122d60a0 (&tty->ldisc_sem){++++}-{0:0} , at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 1 lock held by syz-executor/2948: #0: ffff888100abc148 (&root->kernfs_rwsem ){++++}-{4:4} , at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 1 lock held by syz-executor/2950: #0: ffff888100abc148 (&root->kernfs_rwsem ){++++}-{4:4} , at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 1 lock held by syz-executor/2951: #0: ffff888100abc148 (&root->kernfs_rwsem ){++++}-{4:4}, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 1 lock held by syz-executor/2955: #0: ffff888100abc148 ( &root->kernfs_rwsem ){++++}-{4:4} , at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 1 lock held by syz-executor/2956: #0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4} , at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141 1 lock held by udevd/5233: #0: ffff888100abc148 ( &root->kernfs_rwsem ){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 1 lock held by udevd/5306: #0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 2 locks held by kworker/0:10/11260: 6 locks held by kworker/0:11/11303: 4 locks held by kworker/0:12/11657: 1 lock held by syz.2.2056/12185: #0: ffff888100abc148 (&root->kernfs_rwsem ){++++}-{4:4}, at: kernfs_activate fs/kernfs/dir.c:1403 [inline] ){++++}-{4:4}, at: kernfs_add_one+0x39d/0x520 fs/kernfs/dir.c:819 1 lock held by syz-executor/12195: #0: ffff888100abc148 ( &root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 1 lock held by syz-executor/12196: #0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 1 lock held by syz-executor/12197: #0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4} , at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 1 lock held by syz-executor/12198: #0: ffff888100abc148 ( &root->kernfs_rwsem ){++++}-{4:4} , at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 1 lock held by syz-executor/12199: #0: ffff888100abc148 (&root->kernfs_rwsem){++++}-{4:4} , at: kernfs_dop_revalidate+0xf0/0x5a0 fs/kernfs/dir.c:1159 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #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+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xf14/0x1240 kernel/hung_task.c:397 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 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: yealink 1-1:36.0: urb_ctl_callback - urb status -71 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 8413 Comm: kworker/0:8 Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events legacy_dvb_usb_read_remote_control RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:416 Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 31 29 0c ff eb a0 e8 ba 29 0c RSP: 0018:ffffc90000007500 EFLAGS: 00000002 RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000 RDX: 00000000000003f8 RSI: ffffffff82a90575 RDI: ffffffff93644920 RBP: ffffffff936448e0 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000 R13: 000000000000005b R14: ffffffff82a90510 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f58ec9b56c0 CR3: 0000000008ca0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_out drivers/tty/serial/8250/8250.h:142 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3342 [inline] serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3413 console_emit_next_record kernel/printk/printk.c:3122 [inline] console_flush_all+0x800/0xc60 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 dev_vprintk_emit drivers/base/core.c:4935 [inline] dev_printk_emit+0xfb/0x140 drivers/base/core.c:4946 __dev_printk+0xf5/0x270 drivers/base/core.c:4958 _dev_err+0xe5/0x120 drivers/base/core.c:5001 urb_ctl_callback+0x1eb/0x2f0 drivers/input/misc/yealink.c:456 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x17f7/0x3960 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820 handle_softirqs+0x206/0x8d0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211 Code: 00 e8 b0 d1 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ee 3a 20 00 48 85 db 0f 85 55 01 00 00 e8 70 38 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 15 fc 79 RSP: 0018:ffffc90001b6f8b0 EFLAGS: 00000293 RAX: ffffffff893a9458 RBX: 0000000000000000 RCX: ffffffff813b3332 RDX: ffff88810c2ed7c0 RSI: ffffffff813b3340 RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000005 R12: ffffffff893a9458 R13: ffffffff893a9400 R14: ffffc90001b6f940 R15: dffffc0000000000 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86 _printk+0xc8/0x100 kernel/printk/printk.c:2457 legacy_dvb_usb_read_remote_control+0x40d/0x500 drivers/media/usb/dvb-usb/dvb-usb-remote.c:124 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244