FAT-fs (loop2): bogus number of reserved sectors FAT-fs (loop2): Can't find a valid FAT filesystem INFO: task syz-executor2:15806 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D23280 15806 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acc75c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acc766d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: task syz-executor2:15821 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D23976 15821 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acc54c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acc556d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: task syz-executor2:15846 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D23552 15846 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acc33c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acc346d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: task syz-executor2:15853 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D22480 15853 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 __do_sys_openat fs/open.c:1090 [inline] __se_sys_openat fs/open.c:1084 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1084 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acc12c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000020000140 RDI: ffffffffffffff9c RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acc136d4 R13: 00000000004c2b7f R14: 00000000004d41b8 R15: 00000000ffffffff INFO: task syz-executor2:15876 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D23528 15876 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acbf1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 000000000072c180 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acbf26d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: task syz-executor2:15877 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D25632 15877 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f15acbd0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 000000000072c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acbd16d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: task syz-executor2:15880 blocked for more than 140 seconds. Not tainted 4.19.0-rc7+ #52 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D26384 15880 5888 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 fanotify_get_response fs/notify/fanotify/fanotify.c:68 [inline] fanotify_handle_event+0x7fb/0x9a0 fs/notify/fanotify/fanotify.c:245 send_to_group fs/notify/fsnotify.c:234 [inline] fsnotify+0x87f/0x12f0 fs/notify/fsnotify.c:367 fsnotify_perm include/linux/fsnotify.h:52 [inline] security_file_open+0x16f/0x1b0 security/security.c:986 do_dentry_open+0x331/0x1250 fs/open.c:758 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: Bad RIP value. RSP: 002b:00007f15acbafc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 000000000072c2c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15acbb06d4 R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 979 Comm: khungtaskd Not tainted 4.19.0-rc7+ #52 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+0x1c4/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc7+ #52 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__wrmsr arch/x86/include/asm/msr.h:105 [inline] RIP: 0010:native_write_msr+0xa/0x30 arch/x86/include/asm/msr.h:162 Code: 5d c3 0f 21 c8 5d c3 0f 21 d0 5d c3 0f 21 d8 5d c3 0f 21 f0 5d c3 0f 0b 0f 1f 84 00 00 00 00 00 55 89 f9 89 f0 48 89 e5 0f 30 <0f> 1f 44 00 00 5d c3 48 c1 e2 20 89 f6 48 09 d6 31 d2 e8 cf a4 6a RSP: 0018:ffffffff892079e0 EFLAGS: 00000046 RAX: 0000000000235899 RBX: 0000000000000838 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 0000000000235899 RDI: 0000000000000838 RBP: ffffffff892079e0 R08: ffffffff89276e40 R09: 0000000000000008 R10: fffffbfff145fa01 R11: 0000000000000001 R12: 0000000000235899 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6911bd3000 CR3: 00000001beea8000 CR4: 00000000001406f0 Call Trace: paravirt_write_msr arch/x86/include/asm/paravirt.h:117 [inline] native_apic_msr_write+0x5b/0x80 arch/x86/include/asm/apic.h:209 apic_write arch/x86/include/asm/apic.h:397 [inline] lapic_next_event+0x5a/0x90 arch/x86/kernel/apic/apic.c:461 clockevents_program_event+0x251/0x370 kernel/time/clockevents.c:344 tick_program_event+0xb7/0x130 kernel/time/tick-oneshot.c:48 hrtimer_force_reprogram+0x1f8/0x2d0 kernel/time/hrtimer.c:664 __remove_hrtimer+0x16e/0x1b0 kernel/time/hrtimer.c:996 remove_hrtimer kernel/time/hrtimer.c:1023 [inline] hrtimer_try_to_cancel+0x30a/0x6f0 kernel/time/hrtimer.c:1150 hrtimer_cancel+0x20/0x40 kernel/time/hrtimer.c:1170 tick_nohz_restart kernel/time/tick-sched.c:625 [inline] tick_nohz_restart_sched_tick kernel/time/tick-sched.c:841 [inline] __tick_nohz_idle_restart_tick+0xe5/0x3c0 kernel/time/tick-sched.c:1115 tick_nohz_idle_exit+0x251/0x2d0 kernel/time/tick-sched.c:1156 do_idle+0x17b/0x5b0 kernel/sched/idle.c:275 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 rest_init+0xe2/0xe5 init/main.c:442 start_kernel+0x8f4/0x92f init/main.c:739 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243