11c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:56 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418f81f007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2001.600871] FAULT_INJECTION: forcing a failure.
[ 2001.600871] name failslab, interval 1, probability 0, space 0, times 0
[ 2001.621786] CPU: 1 PID: 852 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2001.629613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2001.639061] Call Trace:
[ 2001.641664]  dump_stack+0x1fc/0x2ef
[ 2001.645301]  should_fail.cold+0xa/0xf
[ 2001.649115]  ? setup_fault_attr+0x200/0x200
[ 2001.653447]  ? lock_acquire+0x170/0x3c0
[ 2001.657445]  __should_failslab+0x115/0x180
[ 2001.661699]  should_failslab+0x5/0x10
[ 2001.665513]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2001.670642]  __kmalloc_node+0x38/0x70
[ 2001.674451]  blk_mq_alloc_tag_set+0x330/0xa30
[ 2001.678963]  loop_add+0x26d/0x8a0
[ 2001.682429]  loop_control_ioctl+0x16c/0x480
[ 2001.686843]  ? loop_lookup+0x1d0/0x1d0
[ 2001.690738]  ? rcu_nmi_exit+0xb3/0x180
[ 2001.694631]  ? loop_lookup+0x1d0/0x1d0
[ 2001.698527]  do_vfs_ioctl+0xcdb/0x12e0
[ 2001.702424]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2001.707015]  ? ioctl_preallocate+0x200/0x200
[ 2001.711436]  ? rcu_nmi_exit+0xb3/0x180
[ 2001.715329]  ? retint_kernel+0x2d/0x2d
[ 2001.719231]  ? security_file_ioctl+0x83/0xb0
[ 2001.723647]  ? __sanitizer_cov_trace_pc+0x3b/0x50
[ 2001.728509]  ksys_ioctl+0x9b/0xc0
[ 2001.731978]  __x64_sys_ioctl+0x6f/0xb0
[ 2001.735870]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2001.740440]  do_syscall_64+0xf9/0x620
[ 2001.744244]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2001.749430] RIP: 0033:0x7f5e31db9ae9
[ 2001.753138] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2001.772183] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2001.779901] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2001.787175] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2001.794446] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:58:56 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x56, 0x0, 0x0)

[ 2001.801712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2001.808997] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2001.910161] NILFS (loop0): couldn't find nilfs on the device
[ 2001.947917] NILFS (loop4): couldn't find nilfs on the device
[ 2001.967506] NILFS (loop1): couldn't find nilfs on the device
07:58:56 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000002b34180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:56 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 3)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:58:56 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x57, 0x0, 0x0)

[ 2002.076183] FAULT_INJECTION: forcing a failure.
[ 2002.076183] name failslab, interval 1, probability 0, space 0, times 0
[ 2002.087862] CPU: 1 PID: 877 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2002.095586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2002.104946] Call Trace:
[ 2002.107539]  dump_stack+0x1fc/0x2ef
[ 2002.111175]  should_fail.cold+0xa/0xf
[ 2002.114978]  ? setup_fault_attr+0x200/0x200
[ 2002.119310]  ? __should_failslab+0x73/0x180
[ 2002.123634]  ? __should_failslab+0x81/0x180
[ 2002.127959]  __should_failslab+0x115/0x180
[ 2002.132205]  should_failslab+0x5/0x10
[ 2002.136034]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2002.141149]  __kmalloc_node+0x38/0x70
[ 2002.144958]  blk_mq_alloc_tag_set+0x3c2/0xa30
[ 2002.149471]  loop_add+0x26d/0x8a0
[ 2002.153028]  loop_control_ioctl+0x16c/0x480
[ 2002.157361]  ? loop_lookup+0x1d0/0x1d0
[ 2002.161253]  ? mark_held_locks+0xa6/0xf0
[ 2002.165335]  ? loop_lookup+0x1d0/0x1d0
[ 2002.169243]  do_vfs_ioctl+0xcdb/0x12e0
[ 2002.173127]  ? lock_downgrade+0x720/0x720
[ 2002.177273]  ? check_preemption_disabled+0x41/0x280
[ 2002.182296]  ? ioctl_preallocate+0x200/0x200
[ 2002.186702]  ? __fget+0x356/0x510
[ 2002.190145]  ? do_dup2+0x450/0x450
[ 2002.193722]  ? rcu_nmi_exit+0xb3/0x180
[ 2002.197615]  ksys_ioctl+0x9b/0xc0
[ 2002.201074]  __x64_sys_ioctl+0x6f/0xb0
[ 2002.204962]  do_syscall_64+0xf9/0x620
[ 2002.208759]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2002.213932] RIP: 0033:0x7f5e31db9ae9
[ 2002.217641] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2002.236645] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2002.244453] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2002.251733] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2002.258999] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2002.266277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
07:58:56 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x58, 0x0, 0x0)

[ 2002.273597] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:58:56 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171306d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:56 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 4)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2002.335374] NILFS (loop3): couldn't find nilfs on the device
[ 2002.380829] NILFS (loop4): couldn't find nilfs on the device
[ 2002.445329] FAULT_INJECTION: forcing a failure.
[ 2002.445329] name failslab, interval 1, probability 0, space 0, times 0
[ 2002.457236] CPU: 1 PID: 894 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2002.464969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2002.474330] Call Trace:
[ 2002.476939]  dump_stack+0x1fc/0x2ef
[ 2002.480593]  should_fail.cold+0xa/0xf
[ 2002.484403]  ? setup_fault_attr+0x200/0x200
[ 2002.488741]  __should_failslab+0x115/0x180
[ 2002.492995]  should_failslab+0x5/0x10
[ 2002.496810]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2002.501970]  blk_mq_init_tags+0x6a/0x2b0
[ 2002.506076]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2002.510416]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2002.514944]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2002.519502]  loop_add+0x26d/0x8a0
[ 2002.522974]  loop_control_ioctl+0x16c/0x480
[ 2002.527315]  ? loop_lookup+0x1d0/0x1d0
[ 2002.531207]  ? rcu_nmi_exit+0xb3/0x180
[ 2002.535123]  ? retint_kernel+0x2d/0x2d
[ 2002.539019]  ? loop_lookup+0x1d0/0x1d0
[ 2002.543018]  do_vfs_ioctl+0xcdb/0x12e0
[ 2002.546920]  ? lock_downgrade+0x720/0x720
[ 2002.551077]  ? check_preemption_disabled+0x41/0x280
[ 2002.556092]  ? ioctl_preallocate+0x200/0x200
[ 2002.560508]  ? __fget+0x356/0x510
[ 2002.563970]  ? do_dup2+0x450/0x450
[ 2002.567514]  ? vfs_write+0x393/0x540
[ 2002.571279]  ? fput+0x2b/0x190
[ 2002.574474]  ksys_ioctl+0x9b/0xc0
[ 2002.577933]  __x64_sys_ioctl+0x6f/0xb0
[ 2002.581823]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2002.586403]  do_syscall_64+0xf9/0x620
[ 2002.590203]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2002.595381] RIP: 0033:0x7f5e31db9ae9
[ 2002.599096] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2002.618025] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2002.625750] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2002.633012] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2002.640279] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2002.647561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2002.654827] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2002.689561] blk-mq: reduced tag depth (128 -> 64)
[ 2002.771862] NILFS (loop0): couldn't find nilfs on the device
[ 2002.788076] NILFS (loop3): couldn't find nilfs on the device
07:58:57 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x59, 0x0, 0x0)

07:58:57 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418ff1f007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:58:57 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 5)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:58:57 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934176308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2002.956704] NILFS (loop1): couldn't find nilfs on the device
[ 2002.979185] FAULT_INJECTION: forcing a failure.
[ 2002.979185] name failslab, interval 1, probability 0, space 0, times 0
[ 2002.991576] NILFS (loop0): couldn't find nilfs on the device
[ 2002.997693] CPU: 1 PID: 916 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2003.005414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2003.014790] Call Trace:
[ 2003.017413]  dump_stack+0x1fc/0x2ef
[ 2003.021065]  should_fail.cold+0xa/0xf
[ 2003.024883]  ? setup_fault_attr+0x200/0x200
[ 2003.029219]  ? lock_acquire+0x170/0x3c0
[ 2003.033231]  __should_failslab+0x115/0x180
[ 2003.037485]  should_failslab+0x5/0x10
[ 2003.041291]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2003.046412]  __kmalloc_node+0x38/0x70
[ 2003.050484]  sbitmap_init_node+0x123/0x440
[ 2003.054737]  sbitmap_queue_init_node+0x37/0x6c0
[ 2003.059428]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2003.064470]  blk_mq_init_tags+0x10d/0x2b0
[ 2003.068639]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2003.072980]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2003.077491]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2003.082007]  loop_add+0x26d/0x8a0
[ 2003.085485]  loop_control_ioctl+0x16c/0x480
[ 2003.089861]  ? loop_lookup+0x1d0/0x1d0
[ 2003.093787]  ? loop_lookup+0x1d0/0x1d0
[ 2003.097698]  do_vfs_ioctl+0xcdb/0x12e0
[ 2003.101601]  ? lock_downgrade+0x720/0x720
[ 2003.105763]  ? check_preemption_disabled+0x41/0x280
[ 2003.110822]  ? ioctl_preallocate+0x200/0x200
[ 2003.115259]  ? __fget+0x356/0x510
[ 2003.118721]  ? do_dup2+0x450/0x450
[ 2003.122266]  ? ksys_write+0x24b/0x2a0
[ 2003.126071]  ? fput+0x2b/0x190
[ 2003.129281]  ksys_ioctl+0x9b/0xc0
[ 2003.132743]  __x64_sys_ioctl+0x6f/0xb0
[ 2003.136643]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2003.141327]  do_syscall_64+0xf9/0x620
[ 2003.145153]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2003.150388] RIP: 0033:0x7f5e31db9ae9
[ 2003.154109] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2003.173017] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2003.180850] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2003.188120] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2003.195404] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:58:57 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5a, 0x0, 0x0)

[ 2003.202689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2003.209971] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2003.269362] blk-mq: reduced tag depth (128 -> 64)
07:58:57 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5b, 0x0, 0x0)

07:58:58 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000002c34180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:58 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171307d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:58 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 6)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2003.537343] NILFS (loop4): couldn't find nilfs on the device
[ 2003.617144] NILFS (loop3): couldn't find nilfs on the device
[ 2003.651408] FAULT_INJECTION: forcing a failure.
[ 2003.651408] name failslab, interval 1, probability 0, space 0, times 0
[ 2003.663211] CPU: 1 PID: 950 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2003.670949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2003.680354] Call Trace:
[ 2003.682968]  dump_stack+0x1fc/0x2ef
[ 2003.686616]  should_fail.cold+0xa/0xf
[ 2003.690469]  ? setup_fault_attr+0x200/0x200
[ 2003.694798]  ? lock_acquire+0x170/0x3c0
[ 2003.698786]  __should_failslab+0x115/0x180
[ 2003.703022]  should_failslab+0x5/0x10
[ 2003.706825]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2003.711930]  sbitmap_queue_init_node+0x240/0x6c0
[ 2003.716696]  blk_mq_init_tags+0x10d/0x2b0
[ 2003.720891]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2003.725403]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2003.729890]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2003.734382]  loop_add+0x26d/0x8a0
[ 2003.737851]  loop_control_ioctl+0x16c/0x480
[ 2003.742458]  ? loop_lookup+0x1d0/0x1d0
[ 2003.746368]  ? loop_lookup+0x1d0/0x1d0
[ 2003.750268]  do_vfs_ioctl+0xcdb/0x12e0
[ 2003.754340]  ? lock_downgrade+0x720/0x720
[ 2003.758531]  ? check_preemption_disabled+0x41/0x280
[ 2003.763577]  ? ioctl_preallocate+0x200/0x200
[ 2003.768005]  ? __fget+0x356/0x510
[ 2003.771473]  ? do_dup2+0x450/0x450
[ 2003.775028]  ? retint_kernel+0x2d/0x2d
[ 2003.778945]  ksys_ioctl+0x9b/0xc0
[ 2003.782407]  __x64_sys_ioctl+0x6f/0xb0
[ 2003.786314]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2003.790924]  do_syscall_64+0xf9/0x620
[ 2003.794736]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2003.799998] RIP: 0033:0x7f5e31db9ae9
07:58:58 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180034007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:58:58 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5c, 0x0, 0x0)

[ 2003.803696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2003.822693] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2003.830405] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2003.837683] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2003.844954] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2003.852308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2003.859571] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2003.889091] blk-mq: reduced tag depth (128 -> 64)
07:58:58 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5d, 0x0, 0x0)

[ 2003.995132] NILFS (loop0): couldn't find nilfs on the device
07:58:58 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 7)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:58:58 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171309d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2004.189635] FAULT_INJECTION: forcing a failure.
[ 2004.189635] name failslab, interval 1, probability 0, space 0, times 0
[ 2004.190316] NILFS (loop1): couldn't find nilfs on the device
[ 2004.201369] CPU: 1 PID: 971 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2004.214900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2004.224390] Call Trace:
[ 2004.227957]  dump_stack+0x1fc/0x2ef
[ 2004.231610]  should_fail.cold+0xa/0xf
[ 2004.235433]  ? setup_fault_attr+0x200/0x200
[ 2004.239812]  __should_failslab+0x115/0x180
[ 2004.244074]  should_failslab+0x5/0x10
[ 2004.247886]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2004.253011]  sbitmap_queue_init_node+0x240/0x6c0
[ 2004.257795]  blk_mq_init_tags+0x16f/0x2b0
[ 2004.261966]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2004.266312]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2004.270838]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2004.275354]  loop_add+0x26d/0x8a0
[ 2004.278830]  loop_control_ioctl+0x16c/0x480
[ 2004.283290]  ? loop_lookup+0x1d0/0x1d0
[ 2004.287193]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2004.291876]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2004.296649]  ? loop_lookup+0x1d0/0x1d0
[ 2004.300553]  do_vfs_ioctl+0xcdb/0x12e0
[ 2004.304545]  ? lock_downgrade+0x720/0x720
[ 2004.308715]  ? ioctl_preallocate+0x200/0x200
[ 2004.313144]  ? __fget+0x356/0x510
[ 2004.316612]  ? do_dup2+0x450/0x450
[ 2004.320162]  ? vfs_write+0x393/0x540
[ 2004.323889]  ? fput+0x2b/0x190
[ 2004.327100]  ksys_ioctl+0x9b/0xc0
[ 2004.330568]  __x64_sys_ioctl+0x6f/0xb0
[ 2004.334554]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2004.339146]  do_syscall_64+0xf9/0x620
[ 2004.342979]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2004.348175] RIP: 0033:0x7f5e31db9ae9
[ 2004.351896] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2004.370820] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2004.378546] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:58:58 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5e, 0x0, 0x0)

[ 2004.385829] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2004.393285] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2004.400571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2004.407872] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2004.443592] blk-mq: reduced tag depth (128 -> 64)
07:58:59 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171302d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:59 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 8)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2004.593794] NILFS (loop4): couldn't find nilfs on the device
07:58:59 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x5f, 0x0, 0x0)

[ 2004.683749] NILFS (loop0): couldn't find nilfs on the device
[ 2004.691417] FAULT_INJECTION: forcing a failure.
[ 2004.691417] name failslab, interval 1, probability 0, space 0, times 0
[ 2004.703372] CPU: 1 PID: 995 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2004.711095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2004.720454] Call Trace:
[ 2004.723064]  dump_stack+0x1fc/0x2ef
[ 2004.726713]  should_fail.cold+0xa/0xf
[ 2004.730529]  ? setup_fault_attr+0x200/0x200
[ 2004.734861]  ? __lockdep_init_map+0x100/0x5a0
[ 2004.739379]  __should_failslab+0x115/0x180
[ 2004.743630]  should_failslab+0x5/0x10
[ 2004.747445]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2004.752661]  __kmalloc_node+0x38/0x70
[ 2004.756476]  blk_mq_alloc_rq_map+0xdf/0x230
[ 2004.760811]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2004.765338]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2004.769856]  loop_add+0x26d/0x8a0
[ 2004.773414]  loop_control_ioctl+0x16c/0x480
[ 2004.777791]  ? loop_lookup+0x1d0/0x1d0
[ 2004.781693]  ? loop_lookup+0x1d0/0x1d0
[ 2004.785614]  do_vfs_ioctl+0xcdb/0x12e0
[ 2004.789522]  ? lock_downgrade+0x720/0x720
[ 2004.793689]  ? check_preemption_disabled+0x41/0x280
[ 2004.798715]  ? ioctl_preallocate+0x200/0x200
[ 2004.803145]  ? __fget+0x356/0x510
[ 2004.806620]  ? do_dup2+0x450/0x450
[ 2004.810170]  ? vfs_write+0x393/0x540
[ 2004.813897]  ? fput+0x2b/0x190
[ 2004.817112]  ksys_ioctl+0x9b/0xc0
[ 2004.820578]  __x64_sys_ioctl+0x6f/0xb0
[ 2004.824478]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2004.829075]  do_syscall_64+0xf9/0x620
[ 2004.832895]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2004.838113] RIP: 0033:0x7f5e31db9ae9
[ 2004.841831] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2004.860844] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2004.868663] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2004.875951] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2004.883209] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2004.890472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2004.897758] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2004.931614] blk-mq: reduced tag depth (128 -> 64)
07:58:59 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000002d34180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:58:59 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x60, 0x0, 0x0)

07:58:59 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x61, 0x0, 0x0)

[ 2005.155786] NILFS (loop4): couldn't find nilfs on the device
[ 2005.165880] NILFS (loop0): couldn't find nilfs on the device
[ 2005.167552] NILFS (loop3): couldn't find nilfs on the device
07:58:59 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="02000000000034341800e8007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:58:59 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 9)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:58:59 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130ad3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2005.329837] FAULT_INJECTION: forcing a failure.
[ 2005.329837] name failslab, interval 1, probability 0, space 0, times 0
[ 2005.341621] CPU: 1 PID: 1029 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2005.349457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2005.358821] Call Trace:
[ 2005.361415]  dump_stack+0x1fc/0x2ef
[ 2005.365149]  should_fail.cold+0xa/0xf
[ 2005.368967]  ? setup_fault_attr+0x200/0x200
[ 2005.373302]  ? __lockdep_init_map+0x100/0x5a0
[ 2005.377827]  __should_failslab+0x115/0x180
[ 2005.382220]  should_failslab+0x5/0x10
[ 2005.386034]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2005.391150]  __kmalloc_node+0x38/0x70
[ 2005.394988]  blk_mq_alloc_rq_map+0x120/0x230
[ 2005.399594]  __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2005.404106]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2005.408622]  loop_add+0x26d/0x8a0
[ 2005.412091]  loop_control_ioctl+0x16c/0x480
[ 2005.416421]  ? loop_lookup+0x1d0/0x1d0
[ 2005.421015]  ? lock_release+0x429/0x8b0
[ 2005.424997]  ? loop_lookup+0x1d0/0x1d0
[ 2005.428894]  do_vfs_ioctl+0xcdb/0x12e0
[ 2005.432841]  ? lock_downgrade+0x720/0x720
[ 2005.437002]  ? check_preemption_disabled+0x41/0x280
[ 2005.442341]  ? ioctl_preallocate+0x200/0x200
[ 2005.446769]  ? __fget+0x356/0x510
[ 2005.450218]  ? do_dup2+0x450/0x450
[ 2005.453829]  ? vfs_write+0x393/0x540
[ 2005.457540]  ? fput+0x2b/0x190
[ 2005.460729]  ksys_ioctl+0x9b/0xc0
[ 2005.464172]  __x64_sys_ioctl+0x6f/0xb0
[ 2005.468053]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2005.472633]  do_syscall_64+0xf9/0x620
[ 2005.476436]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2005.481621] RIP: 0033:0x7f5e31db9ae9
[ 2005.485319] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2005.504225] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2005.511925] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2005.519190] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:00 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x62, 0x0, 0x0)

[ 2005.526466] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2005.533731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 2005.541010] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2005.579067] blk-mq: reduced tag depth (128 -> 64)
07:59:00 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130fd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:00 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x63, 0x0, 0x0)

07:59:00 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 10)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:00 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130bd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2005.743658] NILFS (loop0): couldn't find nilfs on the device
[ 2005.764664] NILFS (loop1): couldn't find nilfs on the device
[ 2005.771100] NILFS (loop4): couldn't find nilfs on the device
07:59:00 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x64, 0x0, 0x0)

[ 2005.924337] FAULT_INJECTION: forcing a failure.
[ 2005.924337] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2005.936899] CPU: 1 PID: 1058 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2005.944708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2005.954067] Call Trace:
[ 2005.956675]  dump_stack+0x1fc/0x2ef
[ 2005.960318]  should_fail.cold+0xa/0xf
[ 2005.964131]  ? setup_fault_attr+0x200/0x200
[ 2005.968472]  __alloc_pages_nodemask+0x239/0x2890
[ 2005.973239]  ? kasan_kmalloc+0x139/0x160
[ 2005.977307]  ? __kmalloc_node+0x4c/0x70
[ 2005.981286]  ? blk_mq_alloc_rq_map+0x120/0x230
[ 2005.985877]  ? __blk_mq_alloc_rq_map+0xa3/0x3b0
[ 2005.990593]  ? mark_held_locks+0xa6/0xf0
[ 2005.994651]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2006.000028]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2006.004619]  ? gfp_pfmemalloc_allowed+0x150/0x150
[ 2006.009467]  ? rcu_nmi_exit+0xb3/0x180
[ 2006.013482]  ? blk_mq_hw_queue_to_node+0x78/0x100
[ 2006.018356]  ? __sanitizer_cov_trace_cmp4+0x6/0x20
[ 2006.023283]  ? __cpu_to_node+0x7b/0xa0
[ 2006.027173]  ? blk_mq_hw_queue_to_node+0xc1/0x100
[ 2006.032033]  blk_mq_alloc_rqs+0x242/0x800
[ 2006.036207]  ? blk_mq_alloc_rq_map+0xaa/0x230
[ 2006.040711]  __blk_mq_alloc_rq_map+0x15b/0x3b0
[ 2006.045299]  blk_mq_alloc_tag_set+0x589/0xa30
[ 2006.049814]  loop_add+0x26d/0x8a0
[ 2006.053271]  loop_control_ioctl+0x16c/0x480
[ 2006.057606]  ? loop_lookup+0x1d0/0x1d0
[ 2006.061527]  ? loop_lookup+0x1d0/0x1d0
[ 2006.065416]  do_vfs_ioctl+0xcdb/0x12e0
[ 2006.069314]  ? lock_downgrade+0x720/0x720
[ 2006.073462]  ? check_preemption_disabled+0x41/0x280
[ 2006.078485]  ? ioctl_preallocate+0x200/0x200
[ 2006.082891]  ? __fget+0x356/0x510
[ 2006.086347]  ? do_dup2+0x450/0x450
[ 2006.089899]  ? vfs_write+0x393/0x540
[ 2006.093652]  ? fput+0x2b/0x190
[ 2006.096858]  ksys_ioctl+0x9b/0xc0
[ 2006.100317]  __x64_sys_ioctl+0x6f/0xb0
[ 2006.104201]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2006.108779]  do_syscall_64+0xf9/0x620
[ 2006.112618]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2006.117809] RIP: 0033:0x7f5e31db9ae9
[ 2006.121527] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2006.140426] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2006.148141] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2006.155606] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2006.162867] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2006.170128] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2006.177396] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2006.340891] NILFS (loop0): couldn't find nilfs on the device
[ 2006.376881] NILFS (loop3): couldn't find nilfs on the device
[ 2006.382938] NILFS (loop1): couldn't find nilfs on the device
07:59:00 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000002e34180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:00 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x65, 0x0, 0x0)

07:59:00 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="02000000000034341800f2007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:00 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 11)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2006.497108] NILFS (loop0): couldn't find nilfs on the device
[ 2006.507640] FAULT_INJECTION: forcing a failure.
[ 2006.507640] name failslab, interval 1, probability 0, space 0, times 0
[ 2006.522452] CPU: 1 PID: 1088 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2006.530395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2006.539752] Call Trace:
[ 2006.542346]  dump_stack+0x1fc/0x2ef
[ 2006.545988]  should_fail.cold+0xa/0xf
[ 2006.549800]  ? setup_fault_attr+0x200/0x200
[ 2006.554129]  ? lock_acquire+0x170/0x3c0
[ 2006.558122]  __should_failslab+0x115/0x180
[ 2006.562370]  should_failslab+0x5/0x10
[ 2006.566178]  kmem_cache_alloc_node+0x245/0x3b0
[ 2006.570777]  blk_alloc_queue_node+0x32/0xbf0
[ 2006.575235]  blk_mq_init_queue+0x44/0xa0
[ 2006.579320]  loop_add+0x2cb/0x8a0
[ 2006.582782]  loop_control_ioctl+0x16c/0x480
[ 2006.587108]  ? loop_lookup+0x1d0/0x1d0
[ 2006.591017]  ? __sanitizer_cov_trace_switch+0x10/0x80
[ 2006.596220]  ? loop_lookup+0x1d0/0x1d0
[ 2006.600114]  do_vfs_ioctl+0xcdb/0x12e0
[ 2006.604103]  ? lock_downgrade+0x720/0x720
[ 2006.608253]  ? check_preemption_disabled+0x41/0x280
[ 2006.613272]  ? ioctl_preallocate+0x200/0x200
[ 2006.617692]  ? __fget+0x356/0x510
[ 2006.621154]  ? do_dup2+0x450/0x450
[ 2006.624697]  ? vfs_write+0x393/0x540
[ 2006.628509]  ? fput+0x2b/0x190
[ 2006.631717]  ksys_ioctl+0x9b/0xc0
[ 2006.635176]  __x64_sys_ioctl+0x6f/0xb0
[ 2006.639075]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2006.643664]  do_syscall_64+0xf9/0x620
[ 2006.647484]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2006.652690] RIP: 0033:0x7f5e31db9ae9
[ 2006.656410] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2006.675410] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2006.683156] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2006.690432] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:01 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x66, 0x0, 0x0)

[ 2006.697700] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2006.704965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2006.712229] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:01 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130cd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:01 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 12)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2006.858370] FAULT_INJECTION: forcing a failure.
[ 2006.858370] name failslab, interval 1, probability 0, space 0, times 0
[ 2006.864389] NILFS (loop1): couldn't find nilfs on the device
[ 2006.869982] CPU: 1 PID: 1112 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2006.876582] NILFS (loop3): couldn't find nilfs on the device
[ 2006.883650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2006.883656] Call Trace:
[ 2006.883680]  dump_stack+0x1fc/0x2ef
[ 2006.883701]  should_fail.cold+0xa/0xf
[ 2006.883720]  ? setup_fault_attr+0x200/0x200
[ 2006.883743]  __should_failslab+0x115/0x180
[ 2006.883762]  should_failslab+0x5/0x10
[ 2006.890203] NILFS (loop4): couldn't find nilfs on the device
[ 2006.898999]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2006.899020]  __kmalloc_node+0x38/0x70
[ 2006.899035]  ? mempool_free+0x370/0x370
[ 2006.899047]  mempool_init_node+0x137/0x6c0
[ 2006.899066]  ? mempool_alloc+0x350/0x350
[ 2006.899076]  ? mempool_free+0x370/0x370
[ 2006.899086]  mempool_init+0x38/0x50
[ 2006.899102]  bioset_init+0x327/0x810
[ 2006.899115]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2006.899134]  blk_alloc_queue_node+0x189/0xbf0
[ 2006.968951]  blk_mq_init_queue+0x44/0xa0
[ 2006.973028]  loop_add+0x2cb/0x8a0
[ 2006.976500]  loop_control_ioctl+0x16c/0x480
[ 2006.980969]  ? loop_lookup+0x1d0/0x1d0
[ 2006.984960]  ? do_vfs_ioctl+0xbd/0x12e0
[ 2006.988951]  ? loop_lookup+0x1d0/0x1d0
[ 2006.992846]  do_vfs_ioctl+0xcdb/0x12e0
[ 2006.996744]  ? lock_downgrade+0x720/0x720
[ 2007.000905]  ? check_preemption_disabled+0x41/0x280
[ 2007.005950]  ? ioctl_preallocate+0x200/0x200
[ 2007.010374]  ? __fget+0x356/0x510
[ 2007.013836]  ? do_dup2+0x450/0x450
[ 2007.017387]  ? fput+0x2b/0x190
[ 2007.020603]  ksys_ioctl+0x9b/0xc0
[ 2007.024073]  __x64_sys_ioctl+0x6f/0xb0
[ 2007.027968]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2007.032565]  do_syscall_64+0xf9/0x620
[ 2007.036383]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2007.041572] RIP: 0033:0x7f5e31db9ae9
[ 2007.045291] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2007.064374] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2007.072094] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2007.079372] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2007.086663] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2007.093948] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2007.101403] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:01 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171310d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:01 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x67, 0x0, 0x0)

07:59:01 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 13)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:01 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x68, 0x0, 0x0)

07:59:01 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180102007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2007.324736] NILFS (loop0): couldn't find nilfs on the device
[ 2007.336681] NILFS (loop1): couldn't find nilfs on the device
[ 2007.371781] FAULT_INJECTION: forcing a failure.
[ 2007.371781] name failslab, interval 1, probability 0, space 0, times 0
[ 2007.383335] CPU: 1 PID: 1133 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2007.391149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2007.400536] Call Trace:
[ 2007.403141]  dump_stack+0x1fc/0x2ef
[ 2007.406785]  should_fail.cold+0xa/0xf
[ 2007.410596]  ? setup_fault_attr+0x200/0x200
[ 2007.414924]  ? lock_acquire+0x170/0x3c0
[ 2007.419017]  ? mempool_free+0x370/0x370
[ 2007.423000]  ? mempool_free+0x370/0x370
[ 2007.426984]  __should_failslab+0x115/0x180
[ 2007.431230]  should_failslab+0x5/0x10
[ 2007.435040]  kmem_cache_alloc+0x277/0x370
[ 2007.439193]  ? mempool_alloc+0x350/0x350
[ 2007.443261]  ? mempool_free+0x370/0x370
[ 2007.447274]  mempool_init_node+0x2d0/0x6c0
[ 2007.451544]  ? mempool_alloc+0x350/0x350
[ 2007.455614]  ? mempool_free+0x370/0x370
[ 2007.459593]  mempool_init+0x38/0x50
[ 2007.463232]  bioset_init+0x327/0x810
[ 2007.467043]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2007.471819]  blk_alloc_queue_node+0x189/0xbf0
[ 2007.476332]  blk_mq_init_queue+0x44/0xa0
[ 2007.480419]  loop_add+0x2cb/0x8a0
[ 2007.483894]  loop_control_ioctl+0x16c/0x480
[ 2007.488264]  ? loop_lookup+0x1d0/0x1d0
[ 2007.492161]  ? mark_held_locks+0xa6/0xf0
[ 2007.496236]  ? loop_lookup+0x1d0/0x1d0
[ 2007.500134]  do_vfs_ioctl+0xcdb/0x12e0
[ 2007.504027]  ? lock_downgrade+0x720/0x720
[ 2007.508180]  ? check_preemption_disabled+0x41/0x280
[ 2007.513412]  ? ioctl_preallocate+0x200/0x200
[ 2007.517833]  ? __fget+0x356/0x510
[ 2007.521301]  ? do_dup2+0x450/0x450
[ 2007.524830]  ksys_ioctl+0x9b/0xc0
[ 2007.528299]  __x64_sys_ioctl+0x6f/0xb0
[ 2007.532182]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2007.536761]  do_syscall_64+0xf9/0x620
[ 2007.540561]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2007.545748] RIP: 0033:0x7f5e31db9ae9
[ 2007.549470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2007.568381] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2007.576096] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2007.583363] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2007.590627] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2007.597906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2007.605175] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:02 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x69, 0x0, 0x0)

07:59:02 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130dd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:02 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000002f34180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:02 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 14)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2007.737670] NILFS (loop4): couldn't find nilfs on the device
[ 2007.745516] NILFS (loop3): couldn't find nilfs on the device
[ 2007.812424] FAULT_INJECTION: forcing a failure.
[ 2007.812424] name failslab, interval 1, probability 0, space 0, times 0
[ 2007.824167] CPU: 1 PID: 1153 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2007.831978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2007.841337] Call Trace:
[ 2007.843933]  dump_stack+0x1fc/0x2ef
[ 2007.847567]  should_fail.cold+0xa/0xf
[ 2007.851374]  ? setup_fault_attr+0x200/0x200
[ 2007.855694]  ? lock_acquire+0x170/0x3c0
[ 2007.859677]  __should_failslab+0x115/0x180
[ 2007.863922]  should_failslab+0x5/0x10
[ 2007.867725]  kmem_cache_alloc+0x277/0x370
[ 2007.871886]  ? mempool_alloc+0x350/0x350
[ 2007.875963]  mempool_init_node+0x2d0/0x6c0
[ 2007.880215]  ? mempool_alloc+0x350/0x350
[ 2007.884276]  ? mempool_free+0x370/0x370
[ 2007.888255]  mempool_init+0x38/0x50
[ 2007.891979]  bioset_init+0x327/0x810
[ 2007.895704]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2007.900476]  blk_alloc_queue_node+0x189/0xbf0
[ 2007.904970]  blk_mq_init_queue+0x44/0xa0
[ 2007.909117]  loop_add+0x2cb/0x8a0
[ 2007.912560]  loop_control_ioctl+0x16c/0x480
[ 2007.916882]  ? loop_lookup+0x1d0/0x1d0
[ 2007.920785]  ? loop_lookup+0x1d0/0x1d0
[ 2007.924682]  do_vfs_ioctl+0xcdb/0x12e0
[ 2007.928578]  ? lock_downgrade+0x720/0x720
[ 2007.932769]  ? check_preemption_disabled+0x41/0x280
[ 2007.937793]  ? ioctl_preallocate+0x200/0x200
[ 2007.942199]  ? __fget+0x356/0x510
[ 2007.945678]  ? do_dup2+0x450/0x450
[ 2007.949247]  ? rcu_nmi_exit+0xb3/0x180
[ 2007.953279]  ksys_ioctl+0x9b/0xc0
[ 2007.957195]  __x64_sys_ioctl+0x6f/0xb0
[ 2007.961078]  do_syscall_64+0xf9/0x620
[ 2007.964869]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2007.970043] RIP: 0033:0x7f5e31db9ae9
[ 2007.973835] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2007.992834] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2008.000634] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:02 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6a, 0x0, 0x0)

[ 2008.007907] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2008.015185] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2008.022445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2008.029813] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:02 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130ed3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2008.099209] NILFS (loop0): couldn't find nilfs on the device
07:59:02 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 15)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2008.168177] NILFS (loop1): couldn't find nilfs on the device
[ 2008.177067] NILFS (loop3): couldn't find nilfs on the device
[ 2008.212214] NILFS (loop4): couldn't find nilfs on the device
[ 2008.249211] FAULT_INJECTION: forcing a failure.
[ 2008.249211] name failslab, interval 1, probability 0, space 0, times 0
[ 2008.260768] CPU: 1 PID: 1174 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2008.268575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2008.277977] Call Trace:
[ 2008.280576]  dump_stack+0x1fc/0x2ef
[ 2008.284219]  should_fail.cold+0xa/0xf
[ 2008.288036]  ? setup_fault_attr+0x200/0x200
[ 2008.292373]  ? lock_acquire+0x170/0x3c0
[ 2008.296393]  __should_failslab+0x115/0x180
[ 2008.300660]  should_failslab+0x5/0x10
[ 2008.304487]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2008.309606]  __kmalloc_node+0x38/0x70
[ 2008.313416]  ? mempool_free+0x370/0x370
[ 2008.317396]  mempool_init_node+0x137/0x6c0
[ 2008.321638]  ? mempool_alloc+0x350/0x350
[ 2008.325732]  ? mempool_free+0x370/0x370
[ 2008.329715]  mempool_init+0x38/0x50
[ 2008.333341]  bioset_init+0x532/0x810
[ 2008.337056]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2008.341822]  blk_alloc_queue_node+0x189/0xbf0
[ 2008.346553]  blk_mq_init_queue+0x44/0xa0
[ 2008.350608]  loop_add+0x2cb/0x8a0
[ 2008.354062]  loop_control_ioctl+0x16c/0x480
[ 2008.358384]  ? loop_lookup+0x1d0/0x1d0
[ 2008.362266]  ? loop_lookup+0x1d0/0x1d0
[ 2008.366285]  do_vfs_ioctl+0xcdb/0x12e0
[ 2008.370165]  ? lock_downgrade+0x720/0x720
[ 2008.374299]  ? check_preemption_disabled+0x41/0x280
[ 2008.379312]  ? ioctl_preallocate+0x200/0x200
[ 2008.383729]  ? __fget+0x356/0x510
[ 2008.387177]  ? do_dup2+0x450/0x450
[ 2008.390719]  ? rcu_nmi_exit+0xb3/0x180
[ 2008.394679]  ksys_ioctl+0x9b/0xc0
[ 2008.398134]  __x64_sys_ioctl+0x6f/0xb0
[ 2008.402023]  do_syscall_64+0xf9/0x620
[ 2008.405886]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2008.411064] RIP: 0033:0x7f5e31db9ae9
[ 2008.414760] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2008.433653] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2008.441367] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2008.448632] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2008.455893] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:59:03 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171312d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:03 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6b, 0x0, 0x0)

[ 2008.463169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2008.470432] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:03 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 16)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:03 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180103007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:03 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003034180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2008.608132] NILFS (loop0): couldn't find nilfs on the device
[ 2008.677289] FAULT_INJECTION: forcing a failure.
[ 2008.677289] name failslab, interval 1, probability 0, space 0, times 0
[ 2008.689945] CPU: 1 PID: 1187 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2008.697749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2008.707200] Call Trace:
[ 2008.709787]  dump_stack+0x1fc/0x2ef
[ 2008.713435]  should_fail.cold+0xa/0xf
[ 2008.717244]  ? setup_fault_attr+0x200/0x200
[ 2008.721581]  ? lock_acquire+0x170/0x3c0
[ 2008.725578]  ? mempool_free+0x370/0x370
[ 2008.729544]  ? mempool_free+0x370/0x370
[ 2008.733507]  __should_failslab+0x115/0x180
[ 2008.737737]  should_failslab+0x5/0x10
[ 2008.741528]  kmem_cache_alloc+0x277/0x370
[ 2008.745666]  ? mempool_alloc+0x350/0x350
[ 2008.749708]  ? mempool_free+0x370/0x370
[ 2008.753666]  mempool_init_node+0x2d0/0x6c0
[ 2008.757904]  ? mempool_alloc+0x350/0x350
[ 2008.761986]  ? mempool_free+0x370/0x370
[ 2008.765957]  mempool_init+0x38/0x50
[ 2008.769583]  bioset_init+0x532/0x810
[ 2008.773291]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2008.778057]  blk_alloc_queue_node+0x189/0xbf0
[ 2008.782556]  blk_mq_init_queue+0x44/0xa0
[ 2008.786608]  loop_add+0x2cb/0x8a0
[ 2008.790054]  loop_control_ioctl+0x16c/0x480
[ 2008.794359]  ? loop_lookup+0x1d0/0x1d0
[ 2008.798251]  ? lock_release+0x429/0x8b0
[ 2008.802215]  ? loop_lookup+0x1d0/0x1d0
[ 2008.806096]  do_vfs_ioctl+0xcdb/0x12e0
[ 2008.809985]  ? lock_downgrade+0x720/0x720
[ 2008.814119]  ? check_preemption_disabled+0x41/0x280
[ 2008.819125]  ? ioctl_preallocate+0x200/0x200
[ 2008.823529]  ? __fget+0x356/0x510
[ 2008.826982]  ? do_dup2+0x450/0x450
[ 2008.830511]  ? vfs_write+0x393/0x540
[ 2008.834206]  ? fput+0x2b/0x190
[ 2008.837395]  ksys_ioctl+0x9b/0xc0
[ 2008.840840]  __x64_sys_ioctl+0x6f/0xb0
[ 2008.844755]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2008.849332]  do_syscall_64+0xf9/0x620
[ 2008.853132]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2008.858336] RIP: 0033:0x7f5e31db9ae9
07:59:03 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6c, 0x0, 0x0)

[ 2008.862045] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2008.881068] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2008.888770] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2008.896042] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2008.903303] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2008.910593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2008.917856] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:03 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 17)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:03 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417130fd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2008.983451] NILFS (loop0): couldn't find nilfs on the device
[ 2009.020972] NILFS (loop3): couldn't find nilfs on the device
[ 2009.098818] FAULT_INJECTION: forcing a failure.
[ 2009.098818] name failslab, interval 1, probability 0, space 0, times 0
[ 2009.111032] CPU: 1 PID: 1204 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2009.118839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2009.128282] Call Trace:
[ 2009.130878]  dump_stack+0x1fc/0x2ef
[ 2009.134514]  should_fail.cold+0xa/0xf
[ 2009.138322]  ? setup_fault_attr+0x200/0x200
[ 2009.142653]  ? lock_acquire+0x170/0x3c0
[ 2009.146648]  __should_failslab+0x115/0x180
[ 2009.150899]  should_failslab+0x5/0x10
[ 2009.154697]  kmem_cache_alloc+0x277/0x370
[ 2009.158854]  ? mempool_alloc+0x350/0x350
[ 2009.162927]  mempool_init_node+0x2d0/0x6c0
[ 2009.167164]  ? mempool_alloc+0x350/0x350
[ 2009.171224]  ? mempool_free+0x370/0x370
[ 2009.175380]  mempool_init+0x38/0x50
[ 2009.179003]  bioset_init+0x532/0x810
[ 2009.182719]  ? kmem_cache_alloc_node+0x351/0x3b0
[ 2009.187478]  blk_alloc_queue_node+0x189/0xbf0
[ 2009.191970]  blk_mq_init_queue+0x44/0xa0
[ 2009.196025]  loop_add+0x2cb/0x8a0
[ 2009.199510]  loop_control_ioctl+0x16c/0x480
[ 2009.203837]  ? loop_lookup+0x1d0/0x1d0
[ 2009.207723]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2009.212297]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2009.217055]  ? loop_lookup+0x1d0/0x1d0
[ 2009.220937]  do_vfs_ioctl+0xcdb/0x12e0
[ 2009.224820]  ? lock_downgrade+0x720/0x720
[ 2009.229048]  ? ioctl_preallocate+0x200/0x200
[ 2009.233449]  ? __fget+0x356/0x510
[ 2009.236902]  ? do_dup2+0x450/0x450
[ 2009.240434]  ? vfs_write+0x393/0x540
[ 2009.244130]  ? fput+0x2b/0x190
[ 2009.247322]  ksys_ioctl+0x9b/0xc0
[ 2009.250771]  __x64_sys_ioctl+0x6f/0xb0
[ 2009.254645]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2009.259223]  do_syscall_64+0xf9/0x620
[ 2009.263034]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2009.268224] RIP: 0033:0x7f5e31db9ae9
[ 2009.271939] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2009.290845] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
07:59:03 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6d, 0x0, 0x0)

[ 2009.298553] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2009.305823] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2009.313088] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2009.320350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2009.328054] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:03 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 18)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2009.466114] NILFS (loop1): couldn't find nilfs on the device
[ 2009.474243] NILFS (loop4): couldn't find nilfs on the device
[ 2009.500943] FAULT_INJECTION: forcing a failure.
[ 2009.500943] name failslab, interval 1, probability 0, space 0, times 0
[ 2009.514314] CPU: 1 PID: 1227 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2009.522128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2009.531766] Call Trace:
[ 2009.534455]  dump_stack+0x1fc/0x2ef
[ 2009.538186]  should_fail.cold+0xa/0xf
[ 2009.542521]  ? setup_fault_attr+0x200/0x200
[ 2009.546853]  ? lock_acquire+0x170/0x3c0
[ 2009.550864]  __should_failslab+0x115/0x180
[ 2009.555117]  should_failslab+0x5/0x10
[ 2009.558924]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2009.564038]  bdi_alloc_node+0x5c/0xd0
[ 2009.567868]  blk_alloc_queue_node+0x1af/0xbf0
[ 2009.572494]  blk_mq_init_queue+0x44/0xa0
[ 2009.576569]  loop_add+0x2cb/0x8a0
[ 2009.580023]  loop_control_ioctl+0x16c/0x480
[ 2009.584402]  ? loop_lookup+0x1d0/0x1d0
[ 2009.588332]  ? retint_kernel+0x2d/0x2d
[ 2009.592221]  ? loop_lookup+0x1d0/0x1d0
[ 2009.596106]  do_vfs_ioctl+0xcdb/0x12e0
[ 2009.600008]  ? lock_downgrade+0x720/0x720
[ 2009.604158]  ? check_preemption_disabled+0x41/0x280
[ 2009.609162]  ? ioctl_preallocate+0x200/0x200
[ 2009.613557]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2009.618136]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2009.622891]  ? rcu_nmi_exit+0xb3/0x180
[ 2009.626779]  ? retint_kernel+0x2d/0x2d
[ 2009.630691]  ksys_ioctl+0x9b/0xc0
[ 2009.634132]  __x64_sys_ioctl+0x6f/0xb0
[ 2009.638019]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2009.642607]  do_syscall_64+0xf9/0x620
[ 2009.646428]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2009.651621] RIP: 0033:0x7f5e31db9ae9
[ 2009.655331] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2009.674221] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2009.681926] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2009.689194] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2009.696459] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2009.703733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
07:59:04 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6e, 0x0, 0x0)

[ 2009.710998] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2009.756203] NILFS (loop0): couldn't find nilfs on the device
[ 2009.770091] NILFS (loop3): couldn't find nilfs on the device
07:59:04 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x6f, 0x0, 0x0)

07:59:04 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171314d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:04 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 19)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2009.947619] FAULT_INJECTION: forcing a failure.
[ 2009.947619] name failslab, interval 1, probability 0, space 0, times 0
[ 2009.959473] CPU: 1 PID: 1245 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2009.967308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2009.976665] Call Trace:
[ 2009.979261]  dump_stack+0x1fc/0x2ef
[ 2009.982902]  should_fail.cold+0xa/0xf
[ 2009.986718]  ? setup_fault_attr+0x200/0x200
[ 2009.991046]  ? lock_acquire+0x170/0x3c0
[ 2009.995039]  __should_failslab+0x115/0x180
[ 2009.999287]  should_failslab+0x5/0x10
[ 2010.003093]  kmem_cache_alloc_trace+0x284/0x380
[ 2010.007787]  wb_congested_get_create+0x180/0x3a0
[ 2010.012543]  wb_init+0x4a7/0x770
[ 2010.015906]  ? __raw_spin_lock_init+0x28/0x100
[ 2010.020493]  bdi_init+0x29c/0x410
[ 2010.023961]  bdi_alloc_node+0x76/0xd0
[ 2010.027766]  blk_alloc_queue_node+0x1af/0xbf0
[ 2010.032267]  blk_mq_init_queue+0x44/0xa0
[ 2010.036326]  loop_add+0x2cb/0x8a0
[ 2010.039789]  loop_control_ioctl+0x16c/0x480
[ 2010.044103]  ? loop_lookup+0x1d0/0x1d0
[ 2010.047996]  ? lock_release+0x429/0x8b0
[ 2010.051956]  ? loop_lookup+0x1d0/0x1d0
[ 2010.056981]  do_vfs_ioctl+0xcdb/0x12e0
[ 2010.060863]  ? lock_downgrade+0x720/0x720
[ 2010.064995]  ? check_preemption_disabled+0x41/0x280
[ 2010.069997]  ? ioctl_preallocate+0x200/0x200
[ 2010.074395]  ? __fget+0x356/0x510
[ 2010.077849]  ? do_dup2+0x450/0x450
[ 2010.081404]  ? vfs_write+0x393/0x540
[ 2010.085114]  ? fput+0x2b/0x190
[ 2010.088300]  ksys_ioctl+0x9b/0xc0
[ 2010.091748]  __x64_sys_ioctl+0x6f/0xb0
[ 2010.095621]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2010.100197]  do_syscall_64+0xf9/0x620
[ 2010.103997]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2010.109180] RIP: 0033:0x7f5e31db9ae9
[ 2010.112883] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2010.131894] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2010.139601] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:04 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x70, 0x0, 0x0)

[ 2010.146882] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2010.154174] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2010.161460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2010.168773] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2010.209097] NILFS (loop0): couldn't find nilfs on the device
[ 2010.212990] NILFS (loop4): couldn't find nilfs on the device
[ 2010.237301] NILFS (loop1): couldn't find nilfs on the device
07:59:04 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180104007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:04 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003134180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:04 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171310d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:04 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x71, 0x0, 0x0)

07:59:04 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 20)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:05 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x72, 0x0, 0x0)

[ 2010.506050] FAULT_INJECTION: forcing a failure.
[ 2010.506050] name failslab, interval 1, probability 0, space 0, times 0
[ 2010.517743] CPU: 1 PID: 1270 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2010.525549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2010.534994] Call Trace:
[ 2010.537592]  dump_stack+0x1fc/0x2ef
[ 2010.541233]  should_fail.cold+0xa/0xf
[ 2010.545051]  ? setup_fault_attr+0x200/0x200
[ 2010.549387]  __should_failslab+0x115/0x180
[ 2010.553673]  should_failslab+0x5/0x10
[ 2010.557496]  kmem_cache_alloc_trace+0x284/0x380
[ 2010.562179]  blk_alloc_queue_stats+0x3c/0x100
[ 2010.566681]  blk_alloc_queue_node+0x1eb/0xbf0
[ 2010.571214]  blk_mq_init_queue+0x44/0xa0
[ 2010.575285]  loop_add+0x2cb/0x8a0
[ 2010.578749]  loop_control_ioctl+0x16c/0x480
[ 2010.583084]  ? loop_lookup+0x1d0/0x1d0
[ 2010.587074]  ? loop_lookup+0x1d0/0x1d0
[ 2010.590974]  do_vfs_ioctl+0xcdb/0x12e0
[ 2010.594877]  ? lock_downgrade+0x720/0x720
[ 2010.599052]  ? check_preemption_disabled+0x41/0x280
07:59:05 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x73, 0x0, 0x0)

[ 2010.604090]  ? ioctl_preallocate+0x200/0x200
[ 2010.608515]  ? __fget+0x356/0x510
[ 2010.611983]  ? do_dup2+0x450/0x450
[ 2010.615536]  ? rcu_nmi_exit+0xb3/0x180
[ 2010.619466]  ksys_ioctl+0x9b/0xc0
[ 2010.623015]  __x64_sys_ioctl+0x6f/0xb0
[ 2010.626920]  do_syscall_64+0xf9/0x620
[ 2010.630730]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2010.635956] RIP: 0033:0x7f5e31db9ae9
07:59:05 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x74, 0x0, 0x0)

[ 2010.639709] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2010.658647] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2010.666447] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2010.673720] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2010.680999] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2010.688293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2010.695659] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:05 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 21)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2010.742907] NILFS (loop3): couldn't find nilfs on the device
[ 2010.759241] NILFS (loop0): couldn't find nilfs on the device
[ 2010.863008] NILFS (loop0): couldn't find nilfs on the device
[ 2010.874387] FAULT_INJECTION: forcing a failure.
[ 2010.874387] name failslab, interval 1, probability 0, space 0, times 0
[ 2010.887834] CPU: 1 PID: 1289 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2010.895664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2010.905024] Call Trace:
[ 2010.907634]  dump_stack+0x1fc/0x2ef
[ 2010.911284]  should_fail.cold+0xa/0xf
[ 2010.915104]  ? setup_fault_attr+0x200/0x200
[ 2010.919432]  ? lock_acquire+0x170/0x3c0
[ 2010.923410]  __should_failslab+0x115/0x180
[ 2010.927656]  should_failslab+0x5/0x10
[ 2010.931464]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2010.936578]  blkg_alloc+0x92/0x630
[ 2010.940116]  blkcg_init_queue+0x24/0x540
[ 2010.944181]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2010.948701]  blk_mq_init_queue+0x44/0xa0
[ 2010.952759]  loop_add+0x2cb/0x8a0
[ 2010.956218]  loop_control_ioctl+0x16c/0x480
[ 2010.960555]  ? loop_lookup+0x1d0/0x1d0
[ 2010.964458]  ? loop_lookup+0x1d0/0x1d0
[ 2010.968342]  do_vfs_ioctl+0xcdb/0x12e0
[ 2010.972229]  ? lock_downgrade+0x720/0x720
[ 2010.976380]  ? check_preemption_disabled+0x41/0x280
[ 2010.981398]  ? ioctl_preallocate+0x200/0x200
[ 2010.985815]  ? __fget+0x356/0x510
[ 2010.989278]  ? do_dup2+0x450/0x450
[ 2010.992816]  ? rcu_nmi_exit+0xb3/0x180
[ 2010.996719]  ksys_ioctl+0x9b/0xc0
[ 2011.000185]  __x64_sys_ioctl+0x6f/0xb0
[ 2011.004069]  do_syscall_64+0xf9/0x620
[ 2011.007876]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2011.013060] RIP: 0033:0x7f5e31db9ae9
[ 2011.016767] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2011.035686] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2011.043400] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2011.050754] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2011.058017] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2011.065285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2011.072562] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2011.118141] NILFS (loop4): couldn't find nilfs on the device
[ 2011.156513] NILFS (loop1): couldn't find nilfs on the device
[ 2011.246923] NILFS (loop3): couldn't find nilfs on the device
07:59:05 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x75, 0x0, 0x0)

07:59:05 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171311d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:05 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 22)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2011.348984] NILFS (loop1): couldn't find nilfs on the device
[ 2011.355761] NILFS (loop4): couldn't find nilfs on the device
[ 2011.367388] NILFS (loop0): couldn't find nilfs on the device
[ 2011.377779] FAULT_INJECTION: forcing a failure.
[ 2011.377779] name failslab, interval 1, probability 0, space 0, times 0
[ 2011.389593] CPU: 1 PID: 1313 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2011.397400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2011.406757] Call Trace:
[ 2011.409356]  dump_stack+0x1fc/0x2ef
[ 2011.412991]  should_fail.cold+0xa/0xf
[ 2011.416796]  ? setup_fault_attr+0x200/0x200
[ 2011.421120]  ? lock_acquire+0x170/0x3c0
[ 2011.425114]  __should_failslab+0x115/0x180
[ 2011.429362]  should_failslab+0x5/0x10
[ 2011.433259]  kmem_cache_alloc_trace+0x284/0x380
[ 2011.437946]  blk_iolatency_init+0x47/0x2d0
[ 2011.442190]  blkcg_init_queue+0x1c1/0x540
[ 2011.446347]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2011.450858]  blk_mq_init_queue+0x44/0xa0
[ 2011.454930]  loop_add+0x2cb/0x8a0
[ 2011.458395]  loop_control_ioctl+0x16c/0x480
[ 2011.462720]  ? loop_lookup+0x1d0/0x1d0
[ 2011.466616]  ? do_vfs_ioctl+0xbd/0x12e0
[ 2011.470602]  ? __sanitizer_cov_trace_pc+0x50/0x50
[ 2011.475444]  ? loop_lookup+0x1d0/0x1d0
[ 2011.479320]  do_vfs_ioctl+0xcdb/0x12e0
[ 2011.483198]  ? lock_downgrade+0x720/0x720
[ 2011.487343]  ? check_preemption_disabled+0x41/0x280
[ 2011.492359]  ? ioctl_preallocate+0x200/0x200
[ 2011.496768]  ? __fget+0x356/0x510
[ 2011.500224]  ? do_dup2+0x450/0x450
[ 2011.503768]  ? vfs_write+0x393/0x540
[ 2011.507477]  ? fput+0x2b/0x190
[ 2011.510703]  ksys_ioctl+0x9b/0xc0
[ 2011.514145]  __x64_sys_ioctl+0x6f/0xb0
[ 2011.518057]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2011.522637]  do_syscall_64+0xf9/0x620
[ 2011.526438]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2011.531626] RIP: 0033:0x7f5e31db9ae9
[ 2011.535323] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2011.554230] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2011.566987] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2011.574273] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2011.581531] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2011.588796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2011.596078] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:06 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180105007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:06 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417132fd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:06 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x76, 0x0, 0x0)

07:59:06 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 23)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:06 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171312d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:06 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003234180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:06 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x77, 0x0, 0x0)

[ 2011.863477] FAULT_INJECTION: forcing a failure.
[ 2011.863477] name failslab, interval 1, probability 0, space 0, times 0
[ 2011.877249] CPU: 1 PID: 1329 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2011.885166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2011.894645] Call Trace:
[ 2011.897242]  dump_stack+0x1fc/0x2ef
[ 2011.900870]  should_fail.cold+0xa/0xf
[ 2011.904672]  ? setup_fault_attr+0x200/0x200
[ 2011.908994]  ? lock_acquire+0x170/0x3c0
[ 2011.912968]  __should_failslab+0x115/0x180
[ 2011.917210]  should_failslab+0x5/0x10
[ 2011.921010]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2011.926112]  ? iolatency_pd_init+0x6f0/0x6f0
[ 2011.930609]  iolatency_pd_alloc+0x6e/0x120
[ 2011.934844]  blkcg_activate_policy+0x120/0x5d0
[ 2011.939442]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2011.944472]  blk_iolatency_init+0x123/0x2d0
[ 2011.948854]  blkcg_init_queue+0x1c1/0x540
[ 2011.953000]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2011.957508]  blk_mq_init_queue+0x44/0xa0
[ 2011.961576]  loop_add+0x2cb/0x8a0
[ 2011.965020]  loop_control_ioctl+0x16c/0x480
[ 2011.969350]  ? loop_lookup+0x1d0/0x1d0
[ 2011.973228]  ? rcu_nmi_exit+0xb3/0x180
[ 2011.977113]  ? loop_lookup+0x1d0/0x1d0
[ 2011.981015]  do_vfs_ioctl+0xcdb/0x12e0
[ 2011.984900]  ? lock_downgrade+0x720/0x720
[ 2011.989047]  ? check_preemption_disabled+0x41/0x280
[ 2011.994050]  ? ioctl_preallocate+0x200/0x200
[ 2011.998471]  ? __fget+0x356/0x510
[ 2012.001929]  ? do_dup2+0x450/0x450
[ 2012.005453]  ? rcu_nmi_exit+0xb3/0x180
[ 2012.009339]  ksys_ioctl+0x9b/0xc0
[ 2012.012800]  __x64_sys_ioctl+0x6f/0xb0
[ 2012.016685]  do_syscall_64+0xf9/0x620
[ 2012.020482]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2012.026197] RIP: 0033:0x7f5e31db9ae9
[ 2012.029908] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2012.048809] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2012.056513] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:06 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x78, 0x0, 0x0)

[ 2012.063779] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2012.071037] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2012.078303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2012.085576] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:06 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 24)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2012.206260] NILFS (loop0): couldn't find nilfs on the device
[ 2012.218757] FAULT_INJECTION: forcing a failure.
[ 2012.218757] name failslab, interval 1, probability 0, space 0, times 0
[ 2012.230446] CPU: 1 PID: 1352 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2012.238255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2012.247610] Call Trace:
[ 2012.250213]  dump_stack+0x1fc/0x2ef
[ 2012.253846]  should_fail.cold+0xa/0xf
[ 2012.257658]  ? setup_fault_attr+0x200/0x200
[ 2012.261990]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2012.267018]  __should_failslab+0x115/0x180
[ 2012.271295]  should_failslab+0x5/0x10
[ 2012.275099]  kmem_cache_alloc_node_trace+0x57/0x3b0
[ 2012.280125]  iolatency_pd_alloc+0x6e/0x120
[ 2012.284375]  ? iolatency_pd_init+0x6f0/0x6f0
[ 2012.288794]  blkcg_activate_policy+0x249/0x5d0
[ 2012.293397]  blk_iolatency_init+0x123/0x2d0
[ 2012.297724]  blkcg_init_queue+0x1c1/0x540
[ 2012.301884]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2012.306392]  blk_mq_init_queue+0x44/0xa0
[ 2012.310466]  loop_add+0x2cb/0x8a0
[ 2012.313967]  loop_control_ioctl+0x16c/0x480
[ 2012.318298]  ? loop_lookup+0x1d0/0x1d0
[ 2012.322287]  ? loop_lookup+0x1d0/0x1d0
[ 2012.326291]  do_vfs_ioctl+0xcdb/0x12e0
[ 2012.330177]  ? lock_downgrade+0x720/0x720
[ 2012.334324]  ? check_preemption_disabled+0x41/0x280
[ 2012.339351]  ? ioctl_preallocate+0x200/0x200
[ 2012.343766]  ? __fget+0x356/0x510
[ 2012.347220]  ? do_dup2+0x450/0x450
[ 2012.350764]  ksys_ioctl+0x9b/0xc0
[ 2012.354272]  __x64_sys_ioctl+0x6f/0xb0
[ 2012.358167]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2012.362811]  do_syscall_64+0xf9/0x620
[ 2012.366734]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2012.371920] RIP: 0033:0x7f5e31db9ae9
[ 2012.375742] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2012.394842] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
07:59:06 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x79, 0x0, 0x0)

[ 2012.402551] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2012.410085] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2012.417460] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2012.429861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2012.437138] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:07 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x7a, 0x0, 0x0)

[ 2012.550010] NILFS (loop3): couldn't find nilfs on the device
07:59:07 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171313d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2012.679238] NILFS (loop1): couldn't find nilfs on the device
[ 2012.724293] NILFS (loop4): couldn't find nilfs on the device
[ 2012.767914] NILFS (loop0): couldn't find nilfs on the device
[ 2012.883611] NILFS (loop1): couldn't find nilfs on the device
[ 2012.883617] NILFS (loop0): couldn't find nilfs on the device
[ 2012.926369] NILFS (loop4): couldn't find nilfs on the device
07:59:07 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180106007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:07 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 25)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:07 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x7b, 0x0, 0x0)

07:59:07 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171363d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:07 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171314d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:07 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003334180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2013.103752] FAULT_INJECTION: forcing a failure.
[ 2013.103752] name failslab, interval 1, probability 0, space 0, times 0
[ 2013.115595] CPU: 1 PID: 1400 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2013.123403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2013.132758] Call Trace:
[ 2013.135359]  dump_stack+0x1fc/0x2ef
[ 2013.138990]  should_fail.cold+0xa/0xf
[ 2013.142797]  ? setup_fault_attr+0x200/0x200
[ 2013.147121]  ? lock_acquire+0x170/0x3c0
07:59:07 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x7c, 0x0, 0x0)

[ 2013.151106]  __should_failslab+0x115/0x180
[ 2013.155344]  should_failslab+0x5/0x10
[ 2013.159166]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2013.164284]  blk_throtl_init+0x7c/0x620
[ 2013.168270]  ? blk_iolatency_init+0x1b7/0x2d0
[ 2013.172796]  blkcg_init_queue+0x1e3/0x540
[ 2013.176965]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2013.181468]  blk_mq_init_queue+0x44/0xa0
[ 2013.185535]  loop_add+0x2cb/0x8a0
[ 2013.188996]  loop_control_ioctl+0x16c/0x480
[ 2013.193328]  ? loop_lookup+0x1d0/0x1d0
[ 2013.197234]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2013.201822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2013.206589]  ? loop_lookup+0x1d0/0x1d0
[ 2013.210485]  do_vfs_ioctl+0xcdb/0x12e0
[ 2013.214380]  ? lock_downgrade+0x720/0x720
[ 2013.218535]  ? ioctl_preallocate+0x200/0x200
[ 2013.223044]  ? __fget+0x356/0x510
[ 2013.226506]  ? do_dup2+0x450/0x450
[ 2013.230051]  ? vfs_write+0x393/0x540
[ 2013.233778]  ? fput+0x2b/0x190
[ 2013.236981]  ksys_ioctl+0x9b/0xc0
[ 2013.240447]  __x64_sys_ioctl+0x6f/0xb0
[ 2013.244344]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2013.248934]  do_syscall_64+0xf9/0x620
[ 2013.252743]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2013.257930] RIP: 0033:0x7f5e31db9ae9
[ 2013.261647] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2013.280555] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2013.288305] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2013.295664] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:07 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x7d, 0x0, 0x0)

[ 2013.302939] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2013.310231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2013.317512] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:07 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 26)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2013.350943] NILFS (loop0): couldn't find nilfs on the device
[ 2013.382404] NILFS (loop1): couldn't find nilfs on the device
07:59:07 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a793417132fd3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2013.414757] NILFS (loop4): couldn't find nilfs on the device
[ 2013.426533] NILFS (loop3): couldn't find nilfs on the device
07:59:08 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x7e, 0x0, 0x0)

[ 2013.543973] FAULT_INJECTION: forcing a failure.
[ 2013.543973] name failslab, interval 1, probability 0, space 0, times 0
[ 2013.557165] CPU: 1 PID: 1427 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2013.565023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2013.574413] Call Trace:
[ 2013.577014]  dump_stack+0x1fc/0x2ef
[ 2013.580653]  should_fail.cold+0xa/0xf
[ 2013.584460]  ? setup_fault_attr+0x200/0x200
[ 2013.588791]  ? lock_acquire+0x170/0x3c0
[ 2013.592867]  __should_failslab+0x115/0x180
[ 2013.597113]  should_failslab+0x5/0x10
[ 2013.600922]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2013.606032]  ? throtl_add_bio_tg+0x1f0/0x1f0
[ 2013.610438]  throtl_pd_alloc+0x6b/0x940
[ 2013.614403]  ? throtl_add_bio_tg+0x1f0/0x1f0
[ 2013.618807]  blkcg_activate_policy+0x120/0x5d0
[ 2013.623451]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2013.628452]  ? init_timer_key+0x88/0x350
[ 2013.632508]  blk_throtl_init+0x40d/0x620
[ 2013.636566]  ? blk_iolatency_init+0x1b7/0x2d0
[ 2013.641067]  blkcg_init_queue+0x1e3/0x540
[ 2013.645376]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2013.649874]  blk_mq_init_queue+0x44/0xa0
[ 2013.653927]  loop_add+0x2cb/0x8a0
[ 2013.657385]  loop_control_ioctl+0x16c/0x480
[ 2013.661716]  ? loop_lookup+0x1d0/0x1d0
[ 2013.665624]  ? loop_lookup+0x1d0/0x1d0
[ 2013.669524]  do_vfs_ioctl+0xcdb/0x12e0
[ 2013.673408]  ? lock_downgrade+0x720/0x720
[ 2013.677571]  ? check_preemption_disabled+0x41/0x280
[ 2013.682611]  ? ioctl_preallocate+0x200/0x200
[ 2013.687124]  ? __fget+0x356/0x510
[ 2013.690587]  ? do_dup2+0x450/0x450
[ 2013.694153]  ? vfs_write+0x393/0x540
[ 2013.697874]  ? fput+0x2b/0x190
[ 2013.701083]  ksys_ioctl+0x9b/0xc0
[ 2013.704676]  __x64_sys_ioctl+0x6f/0xb0
[ 2013.708569]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2013.713148]  do_syscall_64+0xf9/0x620
[ 2013.716955]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2013.722185] RIP: 0033:0x7f5e31db9ae9
[ 2013.725895] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
07:59:08 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x82, 0x0, 0x0)

[ 2013.744801] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2013.752512] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2013.759786] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2013.767053] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2013.774310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2013.781573] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2013.884755] NILFS (loop0): couldn't find nilfs on the device
[ 2013.921325] NILFS (loop1): couldn't find nilfs on the device
[ 2013.931176] NILFS (loop4): couldn't find nilfs on the device
[ 2013.951361] NILFS (loop3): couldn't find nilfs on the device
07:59:08 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171334d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:08 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 27)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:08 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003734180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:08 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x83, 0x0, 0x0)

07:59:08 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3020000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:08 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180107007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2014.169632] FAULT_INJECTION: forcing a failure.
[ 2014.169632] name failslab, interval 1, probability 0, space 0, times 0
[ 2014.180903] CPU: 1 PID: 1463 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2014.188710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2014.198067] Call Trace:
[ 2014.200668]  dump_stack+0x1fc/0x2ef
[ 2014.204302]  should_fail.cold+0xa/0xf
[ 2014.208142]  ? setup_fault_attr+0x200/0x200
[ 2014.212473]  ? rcu_nmi_exit+0xb3/0x180
[ 2014.216374]  ? retint_kernel+0x2d/0x2d
[ 2014.220272]  __should_failslab+0x115/0x180
[ 2014.224515]  should_failslab+0x5/0x10
[ 2014.228333]  kmem_cache_alloc_node_trace+0x57/0x3b0
[ 2014.233362]  throtl_pd_alloc+0x6b/0x940
[ 2014.237344]  ? throtl_add_bio_tg+0x1f0/0x1f0
[ 2014.241758]  blkcg_activate_policy+0x249/0x5d0
[ 2014.246357]  blk_throtl_init+0x40d/0x620
[ 2014.250420]  ? blk_iolatency_init+0x1b7/0x2d0
[ 2014.255009]  blkcg_init_queue+0x1e3/0x540
[ 2014.259161]  blk_alloc_queue_node+0x7d0/0xbf0
[ 2014.263684]  blk_mq_init_queue+0x44/0xa0
[ 2014.267767]  loop_add+0x2cb/0x8a0
[ 2014.271219]  loop_control_ioctl+0x16c/0x480
[ 2014.275548]  ? loop_lookup+0x1d0/0x1d0
[ 2014.279560]  ? rcu_nmi_exit+0xb3/0x180
[ 2014.283450]  ? retint_kernel+0x2d/0x2d
[ 2014.287347]  ? loop_lookup+0x1d0/0x1d0
[ 2014.291243]  do_vfs_ioctl+0xcdb/0x12e0
[ 2014.295147]  ? lock_downgrade+0x720/0x720
[ 2014.299284]  ? check_preemption_disabled+0x41/0x280
[ 2014.304301]  ? ioctl_preallocate+0x200/0x200
[ 2014.308709]  ? __fget+0x356/0x510
[ 2014.312159]  ? do_dup2+0x450/0x450
[ 2014.315697]  ? rcu_nmi_exit+0xb3/0x180
[ 2014.319605]  ksys_ioctl+0x9b/0xc0
[ 2014.323070]  __x64_sys_ioctl+0x6f/0xb0
[ 2014.326964]  do_syscall_64+0xf9/0x620
[ 2014.330847]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2014.336024] RIP: 0033:0x7f5e31db9ae9
[ 2014.339728] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2014.358617] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
07:59:08 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x84, 0x0, 0x0)

[ 2014.366408] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2014.373691] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2014.381043] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2014.388306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2014.395577] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:09 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x85, 0x0, 0x0)

07:59:09 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 28)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2014.605849] NILFS (loop3): couldn't find nilfs on the device
[ 2014.605874] NILFS (loop0): couldn't find nilfs on the device
[ 2014.625827] NILFS (loop1): couldn't find nilfs on the device
07:59:09 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x86, 0x0, 0x0)

[ 2014.661879] FAULT_INJECTION: forcing a failure.
[ 2014.661879] name failslab, interval 1, probability 0, space 0, times 0
[ 2014.674498] CPU: 1 PID: 1490 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2014.682481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2014.692099] Call Trace:
[ 2014.694702]  dump_stack+0x1fc/0x2ef
[ 2014.698344]  should_fail.cold+0xa/0xf
[ 2014.702149]  ? setup_fault_attr+0x200/0x200
[ 2014.706480]  ? lock_acquire+0x170/0x3c0
[ 2014.710638]  __should_failslab+0x115/0x180
[ 2014.714944]  should_failslab+0x5/0x10
[ 2014.718748]  kmem_cache_alloc_trace+0x284/0x380
[ 2014.723460]  ? blk_mq_hctx_mark_pending+0x1f0/0x1f0
[ 2014.728609]  ? plug_ctx_cmp+0x100/0x100
[ 2014.732596]  blk_stat_alloc_callback+0x54/0x290
[ 2014.737279]  blk_mq_init_allocated_queue+0x80/0x1300
[ 2014.742393]  ? blkcg_init_queue+0x1fd/0x540
[ 2014.746734]  ? blk_alloc_queue_node+0x7e4/0xbf0
[ 2014.751417]  blk_mq_init_queue+0x5c/0xa0
[ 2014.755486]  loop_add+0x2cb/0x8a0
[ 2014.758953]  loop_control_ioctl+0x16c/0x480
[ 2014.763273]  ? loop_lookup+0x1d0/0x1d0
[ 2014.767164]  ? loop_lookup+0x1d0/0x1d0
[ 2014.771053]  do_vfs_ioctl+0xcdb/0x12e0
[ 2014.774928]  ? lock_downgrade+0x720/0x720
[ 2014.779061]  ? check_preemption_disabled+0x41/0x280
[ 2014.784061]  ? ioctl_preallocate+0x200/0x200
[ 2014.788557]  ? __fget+0x356/0x510
[ 2014.792017]  ? do_dup2+0x450/0x450
[ 2014.795557]  ? vfs_write+0x393/0x540
[ 2014.799270]  ? fput+0x2b/0x190
[ 2014.802464]  ksys_ioctl+0x9b/0xc0
[ 2014.805917]  __x64_sys_ioctl+0x6f/0xb0
[ 2014.809810]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2014.814397]  do_syscall_64+0xf9/0x620
[ 2014.818194]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2014.823377] RIP: 0033:0x7f5e31db9ae9
[ 2014.827090] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2014.846102] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2014.853805] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:09 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x87, 0x0, 0x0)

[ 2014.861335] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2014.868598] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2014.875866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2014.883128] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:09 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x88, 0x0, 0x0)

[ 2015.029082] NILFS (loop0): couldn't find nilfs on the device
[ 2015.036007] NILFS (loop3): couldn't find nilfs on the device
[ 2015.044812] NILFS (loop4): couldn't find nilfs on the device
07:59:09 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171363d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:09 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 29)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2015.095148] NILFS (loop1): couldn't find nilfs on the device
07:59:09 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000006334180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:09 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x89, 0x0, 0x0)

07:59:09 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3030000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2015.155667] NILFS (loop4): couldn't find nilfs on the device
[ 2015.223022] FAULT_INJECTION: forcing a failure.
[ 2015.223022] name failslab, interval 1, probability 0, space 0, times 0
[ 2015.234618] CPU: 1 PID: 1520 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2015.242422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2015.251783] Call Trace:
[ 2015.254380]  dump_stack+0x1fc/0x2ef
[ 2015.258110]  should_fail.cold+0xa/0xf
[ 2015.261925]  ? setup_fault_attr+0x200/0x200
[ 2015.266262]  ? lock_acquire+0x170/0x3c0
[ 2015.270246]  __should_failslab+0x115/0x180
[ 2015.274484]  should_failslab+0x5/0x10
[ 2015.278288]  __kmalloc+0x2ab/0x3c0
[ 2015.281830]  ? blk_stat_alloc_callback+0x81/0x290
[ 2015.286676]  ? blk_mq_hctx_mark_pending+0x1f0/0x1f0
[ 2015.291810]  ? plug_ctx_cmp+0x100/0x100
[ 2015.295785]  blk_stat_alloc_callback+0x81/0x290
[ 2015.300455]  blk_mq_init_allocated_queue+0x80/0x1300
[ 2015.305558]  ? blkcg_init_queue+0x1fd/0x540
[ 2015.309889]  ? blk_alloc_queue_node+0x7e4/0xbf0
[ 2015.314554]  blk_mq_init_queue+0x5c/0xa0
[ 2015.318602]  loop_add+0x2cb/0x8a0
[ 2015.322048]  loop_control_ioctl+0x16c/0x480
[ 2015.326369]  ? loop_lookup+0x1d0/0x1d0
[ 2015.330251]  ? lock_release+0x429/0x8b0
[ 2015.334212]  ? loop_lookup+0x1d0/0x1d0
[ 2015.338084]  do_vfs_ioctl+0xcdb/0x12e0
[ 2015.341981]  ? lock_downgrade+0x720/0x720
[ 2015.346126]  ? check_preemption_disabled+0x41/0x280
[ 2015.351136]  ? ioctl_preallocate+0x200/0x200
[ 2015.355544]  ? __fget+0x356/0x510
[ 2015.359023]  ? do_dup2+0x450/0x450
[ 2015.362565]  ? vfs_write+0x393/0x540
[ 2015.366291]  ? fput+0x2b/0x190
[ 2015.369497]  ksys_ioctl+0x9b/0xc0
[ 2015.372952]  __x64_sys_ioctl+0x6f/0xb0
[ 2015.376833]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2015.381406]  do_syscall_64+0xf9/0x620
[ 2015.385204]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2015.390402] RIP: 0033:0x7f5e31db9ae9
[ 2015.394106] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2015.412997] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2015.420698] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2015.427968] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2015.435244] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2015.442561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2015.449919] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:10 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180108007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:10 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8a, 0x0, 0x0)

07:59:10 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 30)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2015.528243] NILFS (loop0): couldn't find nilfs on the device
[ 2015.623465] NILFS (loop0): couldn't find nilfs on the device
[ 2015.636190] FAULT_INJECTION: forcing a failure.
[ 2015.636190] name failslab, interval 1, probability 0, space 0, times 0
[ 2015.650177] CPU: 1 PID: 1544 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2015.657996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2015.667352] Call Trace:
[ 2015.669949]  dump_stack+0x1fc/0x2ef
[ 2015.673601]  should_fail.cold+0xa/0xf
[ 2015.677415]  ? setup_fault_attr+0x200/0x200
[ 2015.681742]  ? lock_acquire+0x170/0x3c0
[ 2015.685727]  __should_failslab+0x115/0x180
[ 2015.689967]  should_failslab+0x5/0x10
[ 2015.693858]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2015.698966]  __kmalloc_node+0x38/0x70
[ 2015.702783]  blk_mq_init_allocated_queue+0x178/0x1300
[ 2015.707981]  ? blkcg_init_queue+0x1fd/0x540
[ 2015.712320]  blk_mq_init_queue+0x5c/0xa0
[ 2015.716388]  loop_add+0x2cb/0x8a0
[ 2015.719850]  loop_control_ioctl+0x16c/0x480
[ 2015.724189]  ? loop_lookup+0x1d0/0x1d0
[ 2015.728107]  ? loop_lookup+0x1d0/0x1d0
[ 2015.732005]  do_vfs_ioctl+0xcdb/0x12e0
[ 2015.735901]  ? lock_downgrade+0x720/0x720
[ 2015.740061]  ? check_preemption_disabled+0x41/0x280
[ 2015.745078]  ? ioctl_preallocate+0x200/0x200
[ 2015.749493]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2015.754067]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2015.758832]  ? rcu_nmi_exit+0xb3/0x180
[ 2015.762728]  ? retint_kernel+0x2d/0x2d
[ 2015.766636]  ksys_ioctl+0x9b/0xc0
[ 2015.770096]  __x64_sys_ioctl+0x6f/0xb0
[ 2015.774002]  do_syscall_64+0xf9/0x620
[ 2015.777810]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2015.782992] RIP: 0033:0x7f5e31db9ae9
[ 2015.786697] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2015.805605] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2015.813311] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:10 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8b, 0x0, 0x0)

[ 2015.820569] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2015.827831] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2015.835101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2015.842371] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2015.898269] NILFS (loop1): couldn't find nilfs on the device
07:59:10 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3020000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:10 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 31)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2015.946015] NILFS (loop3): couldn't find nilfs on the device
07:59:10 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000006434180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2015.999826] NILFS (loop4): couldn't find nilfs on the device
07:59:10 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8c, 0x0, 0x0)

[ 2016.110725] FAULT_INJECTION: forcing a failure.
[ 2016.110725] name failslab, interval 1, probability 0, space 0, times 0
[ 2016.123960] CPU: 1 PID: 1569 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2016.131782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2016.141137] Call Trace:
[ 2016.143737]  dump_stack+0x1fc/0x2ef
[ 2016.147377]  should_fail.cold+0xa/0xf
[ 2016.151188]  ? setup_fault_attr+0x200/0x200
[ 2016.155524]  ? mutex_trylock+0x1a0/0x1a0
[ 2016.159601]  __should_failslab+0x115/0x180
[ 2016.163833]  should_failslab+0x5/0x10
[ 2016.167630]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2016.172737]  __kmalloc_node+0x38/0x70
[ 2016.176537]  blk_mq_realloc_hw_ctxs+0x1d8/0x1000
[ 2016.181288]  ? kmem_cache_alloc_node_trace+0x351/0x3b0
[ 2016.186569]  blk_mq_init_allocated_queue+0x20c/0x1300
[ 2016.191757]  ? blkcg_init_queue+0x1fd/0x540
[ 2016.196107]  blk_mq_init_queue+0x5c/0xa0
[ 2016.200165]  loop_add+0x2cb/0x8a0
[ 2016.203606]  loop_control_ioctl+0x16c/0x480
[ 2016.208010]  ? loop_lookup+0x1d0/0x1d0
[ 2016.211895]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2016.216489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2016.221250]  ? loop_lookup+0x1d0/0x1d0
[ 2016.225136]  do_vfs_ioctl+0xcdb/0x12e0
[ 2016.229036]  ? lock_downgrade+0x720/0x720
[ 2016.233178]  ? ioctl_preallocate+0x200/0x200
[ 2016.237587]  ? __fget+0x356/0x510
[ 2016.241045]  ? do_dup2+0x450/0x450
[ 2016.244586]  ? rcu_nmi_exit+0xb3/0x180
[ 2016.248489]  ksys_ioctl+0x9b/0xc0
[ 2016.251959]  __x64_sys_ioctl+0x6f/0xb0
[ 2016.255853]  do_syscall_64+0xf9/0x620
[ 2016.259667]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2016.264978] RIP: 0033:0x7f5e31db9ae9
[ 2016.268693] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2016.287601] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2016.295318] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2016.302586] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:10 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8d, 0x0, 0x0)

[ 2016.309854] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2016.317218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2016.324485] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:10 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 32)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2016.432531] NILFS (loop1): couldn't find nilfs on the device
[ 2016.439470] NILFS (loop3): couldn't find nilfs on the device
[ 2016.456055] NILFS (loop4): couldn't find nilfs on the device
[ 2016.463871] NILFS (loop0): couldn't find nilfs on the device
[ 2016.503587] FAULT_INJECTION: forcing a failure.
[ 2016.503587] name failslab, interval 1, probability 0, space 0, times 0
[ 2016.525729] CPU: 1 PID: 1601 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2016.533554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2016.542909] Call Trace:
[ 2016.545513]  dump_stack+0x1fc/0x2ef
[ 2016.549150]  should_fail.cold+0xa/0xf
[ 2016.552965]  ? setup_fault_attr+0x200/0x200
[ 2016.557294]  ? retint_kernel+0x2d/0x2d
[ 2016.561194]  __should_failslab+0x115/0x180
[ 2016.565446]  should_failslab+0x5/0x10
[ 2016.569257]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2016.574478]  __kmalloc_node+0x38/0x70
[ 2016.578328]  blk_mq_realloc_hw_ctxs+0x568/0x1000
[ 2016.583077]  blk_mq_init_allocated_queue+0x20c/0x1300
[ 2016.588374]  ? blkcg_init_queue+0x1fd/0x540
[ 2016.592781]  blk_mq_init_queue+0x5c/0xa0
[ 2016.596841]  loop_add+0x2cb/0x8a0
[ 2016.600291]  loop_control_ioctl+0x16c/0x480
[ 2016.604598]  ? loop_lookup+0x1d0/0x1d0
[ 2016.608488]  ? loop_lookup+0x1d0/0x1d0
[ 2016.612372]  do_vfs_ioctl+0xcdb/0x12e0
[ 2016.616260]  ? lock_downgrade+0x720/0x720
[ 2016.620597]  ? check_preemption_disabled+0x41/0x280
[ 2016.625614]  ? ioctl_preallocate+0x200/0x200
[ 2016.630120]  ? __fget+0x356/0x510
[ 2016.633567]  ? do_dup2+0x450/0x450
[ 2016.637103]  ? rcu_nmi_exit+0xb3/0x180
[ 2016.640991]  ksys_ioctl+0x9b/0xc0
[ 2016.644437]  __x64_sys_ioctl+0x6f/0xb0
[ 2016.648332]  do_syscall_64+0xf9/0x620
[ 2016.652129]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2016.657302] RIP: 0033:0x7f5e31db9ae9
[ 2016.660998] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2016.679925] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2016.687640] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2016.694905] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:11 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8e, 0x0, 0x0)

[ 2016.702245] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2016.709511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2016.716783] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:11 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3040000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:11 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3030000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:11 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180109007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:11 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 33)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:11 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x8f, 0x0, 0x0)

[ 2016.949984] NILFS (loop4): couldn't find nilfs on the device
[ 2016.957729] FAULT_INJECTION: forcing a failure.
[ 2016.957729] name failslab, interval 1, probability 0, space 0, times 0
[ 2016.963214] NILFS (loop1): couldn't find nilfs on the device
[ 2016.972369] CPU: 1 PID: 1620 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2016.982997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2016.992357] Call Trace:
[ 2016.994952]  dump_stack+0x1fc/0x2ef
[ 2016.998601]  should_fail.cold+0xa/0xf
[ 2017.002424]  ? retint_kernel+0x2d/0x2d
[ 2017.006332]  ? setup_fault_attr+0x200/0x200
[ 2017.010757]  ? should_fail+0x142/0x7b0
[ 2017.014661]  __should_failslab+0x115/0x180
[ 2017.018926]  should_failslab+0x5/0x10
[ 2017.022731]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2017.027841]  __kmalloc_node+0x38/0x70
[ 2017.031639]  sbitmap_init_node+0x123/0x440
[ 2017.035880]  blk_mq_realloc_hw_ctxs+0x5db/0x1000
[ 2017.040640]  blk_mq_init_allocated_queue+0x20c/0x1300
[ 2017.045830]  ? blk_alloc_queue_node+0x7e4/0xbf0
[ 2017.050495]  blk_mq_init_queue+0x5c/0xa0
[ 2017.054554]  loop_add+0x2cb/0x8a0
[ 2017.058014]  loop_control_ioctl+0x16c/0x480
[ 2017.062414]  ? loop_lookup+0x1d0/0x1d0
[ 2017.066301]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2017.070889]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2017.075644]  ? loop_lookup+0x1d0/0x1d0
[ 2017.079546]  do_vfs_ioctl+0xcdb/0x12e0
[ 2017.083435]  ? lock_downgrade+0x720/0x720
[ 2017.087586]  ? ioctl_preallocate+0x200/0x200
[ 2017.091989]  ? __fget+0x356/0x510
[ 2017.095445]  ? do_dup2+0x450/0x450
[ 2017.098985]  ? ksys_write+0x142/0x2a0
[ 2017.102788]  ? fput+0x2b/0x190
[ 2017.105984]  ksys_ioctl+0x9b/0xc0
[ 2017.109449]  __x64_sys_ioctl+0x6f/0xb0
[ 2017.113335]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2017.117912]  do_syscall_64+0xf9/0x620
[ 2017.121709]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2017.126890] RIP: 0033:0x7f5e31db9ae9
[ 2017.130601] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
07:59:11 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x90, 0x0, 0x0)

[ 2017.149531] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2017.157245] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2017.164627] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2017.171894] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2017.179160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2017.186431] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:11 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 34)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2017.254521] NILFS (loop0): couldn't find nilfs on the device
07:59:11 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003402180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:11 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3040000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2017.319116] NILFS (loop3): couldn't find nilfs on the device
07:59:11 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x91, 0x0, 0x0)

[ 2017.377549] NILFS (loop4): couldn't find nilfs on the device
07:59:11 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x92, 0x0, 0x0)

[ 2017.466838] FAULT_INJECTION: forcing a failure.
[ 2017.466838] name failslab, interval 1, probability 0, space 0, times 0
[ 2017.479700] CPU: 1 PID: 1645 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2017.487520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2017.496874] Call Trace:
[ 2017.499473]  dump_stack+0x1fc/0x2ef
[ 2017.503106]  should_fail.cold+0xa/0xf
[ 2017.506916]  ? should_fail+0x142/0x7b0
[ 2017.510803]  ? setup_fault_attr+0x200/0x200
[ 2017.515132]  __should_failslab+0x115/0x180
[ 2017.519378]  should_failslab+0x5/0x10
[ 2017.523189]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2017.528308]  blk_alloc_flush_queue+0x76/0x300
[ 2017.532820]  blk_mq_realloc_hw_ctxs+0x7bc/0x1000
[ 2017.537621]  blk_mq_init_allocated_queue+0x20c/0x1300
[ 2017.542815]  ? blkcg_init_queue+0x1fd/0x540
[ 2017.547159]  blk_mq_init_queue+0x5c/0xa0
[ 2017.551223]  loop_add+0x2cb/0x8a0
[ 2017.554714]  loop_control_ioctl+0x16c/0x480
[ 2017.559089]  ? loop_lookup+0x1d0/0x1d0
[ 2017.562965]  ? rcu_nmi_exit+0xb3/0x180
[ 2017.566848]  ? retint_kernel+0x2d/0x2d
[ 2017.570763]  ? loop_lookup+0x1d0/0x1d0
[ 2017.574643]  do_vfs_ioctl+0xcdb/0x12e0
[ 2017.578518]  ? lock_downgrade+0x720/0x720
[ 2017.582662]  ? check_preemption_disabled+0x41/0x280
[ 2017.587938]  ? ioctl_preallocate+0x200/0x200
[ 2017.592345]  ? __fget+0x356/0x510
[ 2017.595801]  ? do_dup2+0x450/0x450
[ 2017.599335]  ? vfs_write+0x393/0x540
[ 2017.603035]  ? fput+0x2b/0x190
[ 2017.606228]  ksys_ioctl+0x9b/0xc0
[ 2017.609688]  __x64_sys_ioctl+0x6f/0xb0
[ 2017.613659]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2017.618232]  do_syscall_64+0xf9/0x620
[ 2017.622022]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2017.627205] RIP: 0033:0x7f5e31db9ae9
[ 2017.630943] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2017.650461] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2017.658166] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:12 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x93, 0x0, 0x0)

[ 2017.665433] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2017.672700] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2017.679960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2017.687223] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2017.769229] NILFS (loop0): couldn't find nilfs on the device
[ 2017.899806] NILFS (loop3): couldn't find nilfs on the device
[ 2017.909992] NILFS (loop1): couldn't find nilfs on the device
[ 2017.929645] NILFS (loop0): couldn't find nilfs on the device
07:59:12 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3050000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:12 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 35)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:12 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x94, 0x0, 0x0)

07:59:12 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418010a007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:12 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3050000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2018.117246] NILFS (loop1): couldn't find nilfs on the device
[ 2018.142290] FAULT_INJECTION: forcing a failure.
[ 2018.142290] name failslab, interval 1, probability 0, space 0, times 0
[ 2018.154481] CPU: 1 PID: 1682 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2018.162552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2018.171914] Call Trace:
[ 2018.174509]  dump_stack+0x1fc/0x2ef
[ 2018.178143]  should_fail.cold+0xa/0xf
[ 2018.181955]  ? setup_fault_attr+0x200/0x200
[ 2018.186276]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2018.191047]  __should_failslab+0x115/0x180
[ 2018.195387]  should_failslab+0x5/0x10
[ 2018.199287]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2018.204403]  __kmalloc_node+0x38/0x70
[ 2018.208208]  blk_alloc_flush_queue+0x120/0x300
[ 2018.212803]  blk_mq_realloc_hw_ctxs+0x7bc/0x1000
[ 2018.217580]  blk_mq_init_allocated_queue+0x20c/0x1300
[ 2018.222818]  ? blkcg_init_queue+0x1fd/0x540
[ 2018.227163]  blk_mq_init_queue+0x5c/0xa0
[ 2018.231228]  loop_add+0x2cb/0x8a0
[ 2018.234896]  loop_control_ioctl+0x16c/0x480
[ 2018.239329]  ? loop_lookup+0x1d0/0x1d0
[ 2018.243216]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2018.247890]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2018.252649]  ? loop_lookup+0x1d0/0x1d0
[ 2018.256534]  do_vfs_ioctl+0xcdb/0x12e0
[ 2018.260446]  ? lock_downgrade+0x720/0x720
[ 2018.264592]  ? check_preemption_disabled+0x41/0x280
[ 2018.269695]  ? ioctl_preallocate+0x200/0x200
[ 2018.274106]  ? __fget+0x356/0x510
[ 2018.277569]  ? do_dup2+0x450/0x450
[ 2018.281116]  ? vfs_write+0x393/0x540
[ 2018.284835]  ? fput+0x2b/0x190
[ 2018.288040]  ksys_ioctl+0x9b/0xc0
[ 2018.291516]  __x64_sys_ioctl+0x6f/0xb0
[ 2018.295399]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2018.299975]  do_syscall_64+0xf9/0x620
[ 2018.303871]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2018.309054] RIP: 0033:0x7f5e31db9ae9
[ 2018.312773] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2018.331840] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2018.339550] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2018.346814] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2018.354260] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:59:12 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x95, 0x0, 0x0)

[ 2018.361527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2018.368790] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:12 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 36)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:13 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003403180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2018.438409] NILFS (loop0): couldn't find nilfs on the device
[ 2018.445184] NILFS (loop4): couldn't find nilfs on the device
[ 2018.476090] NILFS (loop3): couldn't find nilfs on the device
[ 2018.542515] FAULT_INJECTION: forcing a failure.
[ 2018.542515] name failslab, interval 1, probability 0, space 0, times 0
[ 2018.555492] CPU: 1 PID: 1706 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2018.563308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2018.572666] Call Trace:
[ 2018.575270]  dump_stack+0x1fc/0x2ef
[ 2018.578921]  should_fail.cold+0xa/0xf
[ 2018.582761]  ? setup_fault_attr+0x200/0x200
[ 2018.587096]  ? lock_acquire+0x170/0x3c0
[ 2018.591081]  __should_failslab+0x115/0x180
[ 2018.595317]  should_failslab+0x5/0x10
[ 2018.599111]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2018.604202]  blk_mq_init_tags+0x6a/0x2b0
[ 2018.608276]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2018.612596]  ? elevator_get+0x29/0x170
[ 2018.616471]  blk_mq_init_sched+0x219/0x730
[ 2018.620695]  elevator_init_mq+0xf0/0x180
[ 2018.624741]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2018.629941]  blk_mq_init_queue+0x5c/0xa0
[ 2018.634058]  loop_add+0x2cb/0x8a0
[ 2018.637501]  loop_control_ioctl+0x16c/0x480
[ 2018.641809]  ? loop_lookup+0x1d0/0x1d0
[ 2018.645706]  ? loop_lookup+0x1d0/0x1d0
[ 2018.649603]  do_vfs_ioctl+0xcdb/0x12e0
[ 2018.653501]  ? lock_downgrade+0x720/0x720
[ 2018.657733]  ? check_preemption_disabled+0x41/0x280
[ 2018.662840]  ? ioctl_preallocate+0x200/0x200
[ 2018.667253]  ? __fget+0x356/0x510
[ 2018.670712]  ? do_dup2+0x450/0x450
[ 2018.674247]  ? rcu_nmi_exit+0xb3/0x180
[ 2018.678122]  ksys_ioctl+0x9b/0xc0
[ 2018.681571]  __x64_sys_ioctl+0x6f/0xb0
[ 2018.685544]  do_syscall_64+0xf9/0x620
[ 2018.689356]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2018.694536] RIP: 0033:0x7f5e31db9ae9
[ 2018.698256] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2018.717165] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2018.724877] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2018.732229] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:13 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x96, 0x0, 0x0)

[ 2018.739498] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2018.746790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2018.754053] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:13 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x97, 0x0, 0x0)

07:59:13 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x98, 0x0, 0x0)

07:59:13 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 37)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2018.961474] NILFS (loop3): couldn't find nilfs on the device
[ 2018.969555] NILFS (loop4): couldn't find nilfs on the device
[ 2018.989868] FAULT_INJECTION: forcing a failure.
[ 2018.989868] name failslab, interval 1, probability 0, space 0, times 0
[ 2019.010471] CPU: 1 PID: 1735 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2019.018289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2019.027648] Call Trace:
[ 2019.030247]  dump_stack+0x1fc/0x2ef
[ 2019.033883]  should_fail.cold+0xa/0xf
[ 2019.037691]  ? setup_fault_attr+0x200/0x200
[ 2019.042015]  ? lock_acquire+0x170/0x3c0
[ 2019.046002]  __should_failslab+0x115/0x180
[ 2019.050244]  should_failslab+0x5/0x10
[ 2019.054047]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2019.059161]  __kmalloc_node+0x38/0x70
[ 2019.062976]  sbitmap_init_node+0x123/0x440
[ 2019.067217]  sbitmap_queue_init_node+0x37/0x6c0
[ 2019.071890]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2019.076918]  blk_mq_init_tags+0x10d/0x2b0
[ 2019.081068]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2019.085474]  blk_mq_init_sched+0x219/0x730
[ 2019.089722]  elevator_init_mq+0xf0/0x180
[ 2019.093791]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2019.098982]  blk_mq_init_queue+0x5c/0xa0
[ 2019.103029]  loop_add+0x2cb/0x8a0
[ 2019.106486]  loop_control_ioctl+0x16c/0x480
[ 2019.110814]  ? loop_lookup+0x1d0/0x1d0
[ 2019.114694]  ? loop_lookup+0x1d0/0x1d0
[ 2019.118582]  ? loop_lookup+0x1d0/0x1d0
[ 2019.122458]  do_vfs_ioctl+0xcdb/0x12e0
[ 2019.126344]  ? lock_downgrade+0x720/0x720
[ 2019.130497]  ? check_preemption_disabled+0x41/0x280
[ 2019.135544]  ? ioctl_preallocate+0x200/0x200
[ 2019.139958]  ? __fget+0x356/0x510
[ 2019.143397]  ? do_dup2+0x450/0x450
[ 2019.146929]  ? vfs_write+0x393/0x540
[ 2019.150645]  ? fput+0x2b/0x190
[ 2019.153834]  ksys_ioctl+0x9b/0xc0
[ 2019.157295]  __x64_sys_ioctl+0x6f/0xb0
[ 2019.161269]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2019.165843]  do_syscall_64+0xf9/0x620
[ 2019.169652]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2019.174844] RIP: 0033:0x7f5e31db9ae9
[ 2019.178598] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2019.197509] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2019.205218] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2019.212592] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2019.219858] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2019.227127] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2019.234444] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:13 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3060000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:13 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3060000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:13 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x99, 0x0, 0x0)

07:59:13 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 38)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:13 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418010c007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2019.359980] NILFS (loop1): couldn't find nilfs on the device
07:59:13 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9a, 0x0, 0x0)

07:59:14 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9b, 0x0, 0x0)

[ 2019.469417] FAULT_INJECTION: forcing a failure.
[ 2019.469417] name failslab, interval 1, probability 0, space 0, times 0
[ 2019.484398] CPU: 1 PID: 1748 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2019.492213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2019.501831] Call Trace:
[ 2019.504430]  dump_stack+0x1fc/0x2ef
[ 2019.508067]  should_fail.cold+0xa/0xf
[ 2019.511885]  ? setup_fault_attr+0x200/0x200
[ 2019.516213]  ? lock_acquire+0x170/0x3c0
[ 2019.520202]  __should_failslab+0x115/0x180
[ 2019.524454]  should_failslab+0x5/0x10
[ 2019.528259]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2019.533370]  sbitmap_queue_init_node+0x240/0x6c0
[ 2019.538143]  blk_mq_init_tags+0x10d/0x2b0
[ 2019.542302]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2019.546628]  ? elevator_get+0x29/0x170
[ 2019.550561]  blk_mq_init_sched+0x219/0x730
[ 2019.554811]  elevator_init_mq+0xf0/0x180
[ 2019.558881]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2019.564089]  blk_mq_init_queue+0x5c/0xa0
[ 2019.568159]  loop_add+0x2cb/0x8a0
[ 2019.571622]  loop_control_ioctl+0x16c/0x480
[ 2019.575952]  ? loop_lookup+0x1d0/0x1d0
[ 2019.579841]  ? rcu_nmi_exit+0xb3/0x180
[ 2019.583826]  ? retint_kernel+0x2d/0x2d
[ 2019.587725]  ? loop_lookup+0x1d0/0x1d0
[ 2019.591610]  do_vfs_ioctl+0xcdb/0x12e0
[ 2019.595494]  ? lock_downgrade+0x720/0x720
[ 2019.599645]  ? check_preemption_disabled+0x41/0x280
[ 2019.604663]  ? ioctl_preallocate+0x200/0x200
[ 2019.609113]  ? __fget+0x356/0x510
[ 2019.612565]  ? do_dup2+0x450/0x450
[ 2019.616088]  ? vfs_write+0x393/0x540
[ 2019.621351]  ? fput+0x2b/0x190
[ 2019.624535]  ksys_ioctl+0x9b/0xc0
[ 2019.628007]  __x64_sys_ioctl+0x6f/0xb0
[ 2019.631900]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2019.636475]  do_syscall_64+0xf9/0x620
[ 2019.640265]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2019.645452] RIP: 0033:0x7f5e31db9ae9
[ 2019.649170] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2019.668076] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2019.676656] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2019.683932] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2019.691197] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2019.698458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2019.705717] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2019.784947] NILFS (loop0): couldn't find nilfs on the device
[ 2019.832759] NILFS (loop1): couldn't find nilfs on the device
[ 2019.866261] NILFS (loop0): couldn't find nilfs on the device
07:59:14 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003404180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:14 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9c, 0x0, 0x0)

07:59:14 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 39)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:14 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3070000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2019.975772] NILFS (loop4): couldn't find nilfs on the device
[ 2019.981964] NILFS (loop3): couldn't find nilfs on the device
07:59:14 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9d, 0x0, 0x0)

[ 2020.175241] FAULT_INJECTION: forcing a failure.
[ 2020.175241] name failslab, interval 1, probability 0, space 0, times 0
[ 2020.191051] CPU: 1 PID: 1786 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2020.198872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2020.208230] Call Trace:
[ 2020.210827]  dump_stack+0x1fc/0x2ef
[ 2020.214471]  should_fail.cold+0xa/0xf
[ 2020.218294]  ? setup_fault_attr+0x200/0x200
[ 2020.222715]  ? lock_acquire+0x170/0x3c0
[ 2020.226762]  __should_failslab+0x115/0x180
[ 2020.231011]  should_failslab+0x5/0x10
[ 2020.234825]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2020.240026]  sbitmap_queue_init_node+0x240/0x6c0
[ 2020.244888]  blk_mq_init_tags+0x16f/0x2b0
[ 2020.249051]  blk_mq_alloc_rq_map+0x9d/0x230
[ 2020.253377]  ? elevator_get+0x29/0x170
[ 2020.257366]  blk_mq_init_sched+0x219/0x730
[ 2020.261620]  elevator_init_mq+0xf0/0x180
[ 2020.265787]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2020.271001]  blk_mq_init_queue+0x5c/0xa0
[ 2020.275104]  loop_add+0x2cb/0x8a0
[ 2020.278577]  loop_control_ioctl+0x16c/0x480
[ 2020.283865]  ? loop_lookup+0x1d0/0x1d0
[ 2020.287768]  ? loop_lookup+0x1d0/0x1d0
[ 2020.291669]  do_vfs_ioctl+0xcdb/0x12e0
[ 2020.295571]  ? lock_downgrade+0x720/0x720
[ 2020.299729]  ? check_preemption_disabled+0x41/0x280
[ 2020.304754]  ? ioctl_preallocate+0x200/0x200
[ 2020.309177]  ? __fget+0x356/0x510
[ 2020.312650]  ? do_dup2+0x450/0x450
[ 2020.316198]  ? vfs_write+0x393/0x540
[ 2020.319926]  ? fput+0x2b/0x190
[ 2020.323130]  ksys_ioctl+0x9b/0xc0
[ 2020.326594]  __x64_sys_ioctl+0x6f/0xb0
[ 2020.330490]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2020.335081]  do_syscall_64+0xf9/0x620
[ 2020.338892]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2020.344084] RIP: 0033:0x7f5e31db9ae9
[ 2020.347803] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2020.366742] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2020.374468] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2020.381747] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2020.389022] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2020.396292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2020.403571] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2020.449862] NILFS (loop0): couldn't find nilfs on the device
[ 2020.511189] NILFS (loop4): couldn't find nilfs on the device
[ 2020.521539] NILFS (loop3): couldn't find nilfs on the device
07:59:15 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3070000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:15 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9e, 0x0, 0x0)

07:59:15 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 40)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:15 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3080000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:15 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180123007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2020.662896] NILFS (loop1): couldn't find nilfs on the device
[ 2020.752247] FAULT_INJECTION: forcing a failure.
[ 2020.752247] name failslab, interval 1, probability 0, space 0, times 0
[ 2020.764893] CPU: 1 PID: 1817 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2020.772721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2020.782083] Call Trace:
[ 2020.784682]  dump_stack+0x1fc/0x2ef
[ 2020.788324]  should_fail.cold+0xa/0xf
[ 2020.792134]  ? setup_fault_attr+0x200/0x200
[ 2020.796465]  ? __lockdep_init_map+0x100/0x5a0
[ 2020.800992]  __should_failslab+0x115/0x180
[ 2020.805255]  should_failslab+0x5/0x10
[ 2020.809068]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2020.814215]  __kmalloc_node+0x38/0x70
[ 2020.818068]  blk_mq_alloc_rq_map+0xdf/0x230
[ 2020.822403]  ? elevator_find+0x40/0x150
[ 2020.826393]  blk_mq_init_sched+0x219/0x730
[ 2020.830647]  elevator_init_mq+0xf0/0x180
[ 2020.834727]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2020.840113]  blk_mq_init_queue+0x5c/0xa0
[ 2020.844180]  loop_add+0x2cb/0x8a0
[ 2020.847653]  loop_control_ioctl+0x16c/0x480
07:59:15 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0x9f, 0x0, 0x0)

[ 2020.851982]  ? loop_lookup+0x1d0/0x1d0
[ 2020.855884]  ? loop_lookup+0x1d0/0x1d0
[ 2020.859773]  do_vfs_ioctl+0xcdb/0x12e0
[ 2020.863668]  ? lock_downgrade+0x720/0x720
[ 2020.867920]  ? check_preemption_disabled+0x41/0x280
[ 2020.872950]  ? ioctl_preallocate+0x200/0x200
[ 2020.877371]  ? __fget+0x356/0x510
[ 2020.880833]  ? do_dup2+0x450/0x450
[ 2020.884384]  ? rcu_nmi_exit+0xb3/0x180
[ 2020.888286]  ksys_ioctl+0x9b/0xc0
[ 2020.891744]  __x64_sys_ioctl+0x6f/0xb0
[ 2020.895734]  do_syscall_64+0xf9/0x620
[ 2020.899644]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2020.904838] RIP: 0033:0x7f5e31db9ae9
[ 2020.908587] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2020.927669] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2020.935738] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2020.943015] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2020.950385] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2020.957664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2020.964939] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2021.012395] NILFS (loop0): couldn't find nilfs on the device
07:59:15 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 41)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2021.101734] NILFS (loop4): couldn't find nilfs on the device
[ 2021.113001] NILFS (loop1): couldn't find nilfs on the device
[ 2021.137704] NILFS (loop3): couldn't find nilfs on the device
[ 2021.143093] FAULT_INJECTION: forcing a failure.
[ 2021.143093] name failslab, interval 1, probability 0, space 0, times 0
[ 2021.163561] CPU: 1 PID: 1845 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2021.171375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2021.180718] Call Trace:
[ 2021.183318]  dump_stack+0x1fc/0x2ef
[ 2021.186951]  should_fail.cold+0xa/0xf
[ 2021.190788]  ? setup_fault_attr+0x200/0x200
[ 2021.195117]  ? __lockdep_init_map+0x100/0x5a0
[ 2021.199617]  __should_failslab+0x115/0x180
[ 2021.203868]  should_failslab+0x5/0x10
[ 2021.207683]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2021.212793]  __kmalloc_node+0x38/0x70
[ 2021.216599]  blk_mq_alloc_rq_map+0xdf/0x230
[ 2021.221016]  blk_mq_init_sched+0x219/0x730
[ 2021.225260]  elevator_init_mq+0xf0/0x180
[ 2021.229333]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2021.234556]  blk_mq_init_queue+0x5c/0xa0
[ 2021.238688]  loop_add+0x2cb/0x8a0
[ 2021.242159]  loop_control_ioctl+0x16c/0x480
[ 2021.246481]  ? loop_lookup+0x1d0/0x1d0
[ 2021.250371]  ? loop_lookup+0x1d0/0x1d0
[ 2021.254257]  do_vfs_ioctl+0xcdb/0x12e0
[ 2021.258139]  ? lock_downgrade+0x720/0x720
[ 2021.262297]  ? check_preemption_disabled+0x41/0x280
[ 2021.267332]  ? ioctl_preallocate+0x200/0x200
[ 2021.271761]  ? __fget+0x356/0x510
[ 2021.275214]  ? do_dup2+0x450/0x450
[ 2021.278749]  ? vfs_write+0x393/0x540
[ 2021.282448]  ? fput+0x2b/0x190
[ 2021.285642]  ksys_ioctl+0x9b/0xc0
[ 2021.289102]  __x64_sys_ioctl+0x6f/0xb0
[ 2021.292989]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2021.297604]  do_syscall_64+0xf9/0x620
[ 2021.301423]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2021.306634] RIP: 0033:0x7f5e31db9ae9
[ 2021.310402] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2021.329299] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2021.337204] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2021.344474] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2021.351734] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2021.359089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2021.366368] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:16 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003405180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:16 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3090000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:16 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa0, 0x0, 0x0)

07:59:16 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 42)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:16 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3080000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:16 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180148007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

[ 2021.632609] FAULT_INJECTION: forcing a failure.
[ 2021.632609] name failslab, interval 1, probability 0, space 0, times 0
[ 2021.644675] CPU: 1 PID: 1856 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2021.652492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2021.661852] Call Trace:
[ 2021.664452]  dump_stack+0x1fc/0x2ef
[ 2021.668091]  should_fail.cold+0xa/0xf
[ 2021.671904]  ? setup_fault_attr+0x200/0x200
[ 2021.676247]  __should_failslab+0x115/0x180
[ 2021.680493]  should_failslab+0x5/0x10
[ 2021.684302]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2021.689421]  __kmalloc_node+0x38/0x70
[ 2021.693236]  blk_mq_alloc_rq_map+0x120/0x230
[ 2021.697655]  blk_mq_init_sched+0x219/0x730
[ 2021.701893]  elevator_init_mq+0xf0/0x180
[ 2021.705966]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2021.711219]  blk_mq_init_queue+0x5c/0xa0
[ 2021.715278]  loop_add+0x2cb/0x8a0
[ 2021.718741]  loop_control_ioctl+0x16c/0x480
[ 2021.723070]  ? loop_lookup+0x1d0/0x1d0
[ 2021.727059]  ? loop_lookup+0x1d0/0x1d0
[ 2021.730951]  do_vfs_ioctl+0xcdb/0x12e0
[ 2021.734840]  ? lock_downgrade+0x720/0x720
[ 2021.738985]  ? check_preemption_disabled+0x41/0x280
[ 2021.743988]  ? ioctl_preallocate+0x200/0x200
[ 2021.748397]  ? __fget+0x356/0x510
[ 2021.751847]  ? do_dup2+0x450/0x450
[ 2021.755397]  ? vfs_write+0x393/0x540
[ 2021.759118]  ? fput+0x2b/0x190
[ 2021.762309]  ksys_ioctl+0x9b/0xc0
[ 2021.765764]  __x64_sys_ioctl+0x6f/0xb0
[ 2021.769646]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2021.774211]  do_syscall_64+0xf9/0x620
[ 2021.778009]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2021.783227] RIP: 0033:0x7f5e31db9ae9
[ 2021.786936] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2021.805843] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2021.813569] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2021.820846] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
07:59:16 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa1, 0x0, 0x0)

[ 2021.828119] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2021.835395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2021.842661] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:16 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 43)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2021.877506] NILFS (loop0): couldn't find nilfs on the device
[ 2021.947552] NILFS (loop3): couldn't find nilfs on the device
[ 2021.954023] NILFS (loop4): couldn't find nilfs on the device
[ 2021.964403] NILFS (loop0): couldn't find nilfs on the device
07:59:16 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d30a0000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2022.044390] FAULT_INJECTION: forcing a failure.
[ 2022.044390] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2022.056843] CPU: 1 PID: 1880 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2022.064648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2022.074004] Call Trace:
[ 2022.076607]  dump_stack+0x1fc/0x2ef
[ 2022.080249]  should_fail.cold+0xa/0xf
[ 2022.084090]  ? setup_fault_attr+0x200/0x200
[ 2022.088437]  __alloc_pages_nodemask+0x239/0x2890
[ 2022.093206]  ? kasan_kmalloc+0x139/0x160
[ 2022.097286]  ? __kmalloc_node+0x4c/0x70
[ 2022.101270]  ? blk_mq_alloc_rq_map+0x120/0x230
[ 2022.105855]  ? blk_mq_init_sched+0x219/0x730
[ 2022.110267]  ? elevator_init_mq+0xf0/0x180
[ 2022.114508]  ? blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2022.119904]  ? blk_mq_init_queue+0x5c/0xa0
[ 2022.124138]  ? loop_add+0x2cb/0x8a0
[ 2022.127778]  ? mark_held_locks+0xa6/0xf0
[ 2022.131837]  ? gfp_pfmemalloc_allowed+0x150/0x150
[ 2022.136680]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2022.141275]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2022.146033]  ? rcu_nmi_exit+0xb3/0x180
[ 2022.150008]  ? retint_kernel+0x2d/0x2d
[ 2022.153929]  blk_mq_alloc_rqs+0x242/0x800
[ 2022.158096]  blk_mq_init_sched+0x26c/0x730
[ 2022.162333]  elevator_init_mq+0xf0/0x180
[ 2022.166400]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2022.171595]  blk_mq_init_queue+0x5c/0xa0
[ 2022.175679]  loop_add+0x2cb/0x8a0
[ 2022.179144]  loop_control_ioctl+0x16c/0x480
[ 2022.183522]  ? loop_lookup+0x1d0/0x1d0
[ 2022.187465]  ? loop_lookup+0x1d0/0x1d0
[ 2022.191406]  do_vfs_ioctl+0xcdb/0x12e0
[ 2022.195294]  ? lock_downgrade+0x720/0x720
[ 2022.199455]  ? ioctl_preallocate+0x200/0x200
[ 2022.203855]  ? __fget+0x356/0x510
[ 2022.207321]  ? do_dup2+0x450/0x450
[ 2022.210855]  ? vfs_write+0x393/0x540
[ 2022.214662]  ? fput+0x2b/0x190
[ 2022.217870]  ksys_ioctl+0x9b/0xc0
[ 2022.221358]  __x64_sys_ioctl+0x6f/0xb0
[ 2022.225244]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2022.229861]  do_syscall_64+0xf9/0x620
[ 2022.233653]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2022.238829] RIP: 0033:0x7f5e31db9ae9
[ 2022.242534] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2022.261438] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2022.269163] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2022.276444] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2022.283856] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:59:16 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa2, 0x0, 0x0)

[ 2022.291328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2022.298603] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:16 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418014c007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:17 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa3, 0x0, 0x0)

[ 2022.578252] NILFS (loop0): couldn't find nilfs on the device
[ 2022.621130] NILFS (loop1): couldn't find nilfs on the device
[ 2022.645842] NILFS (loop0): couldn't find nilfs on the device
[ 2022.753337] NILFS (loop4): couldn't find nilfs on the device
[ 2022.759669] NILFS (loop1): couldn't find nilfs on the device
07:59:17 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003406180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:17 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 44)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:17 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3090000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:17 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d30c0000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:17 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa4, 0x0, 0x0)

[ 2022.859852] NILFS (loop4): couldn't find nilfs on the device
[ 2022.874993] FAULT_INJECTION: forcing a failure.
[ 2022.874993] name failslab, interval 1, probability 0, space 0, times 0
[ 2022.903259] CPU: 1 PID: 1929 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2022.911090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2022.920451] Call Trace:
[ 2022.923052]  dump_stack+0x1fc/0x2ef
[ 2022.926701]  should_fail.cold+0xa/0xf
[ 2022.930515]  ? setup_fault_attr+0x200/0x200
[ 2022.934847]  ? lock_acquire+0x170/0x3c0
[ 2022.939015]  __should_failslab+0x115/0x180
[ 2022.943260]  should_failslab+0x5/0x10
[ 2022.947070]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2022.952189]  elevator_alloc+0x7a/0x200
[ 2022.956088]  dd_init_queue+0x20/0x430
[ 2022.959898]  blk_mq_init_sched+0x395/0x730
[ 2022.964159]  elevator_init_mq+0xf0/0x180
[ 2022.968244]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2022.973461]  blk_mq_init_queue+0x5c/0xa0
[ 2022.977547]  loop_add+0x2cb/0x8a0
[ 2022.981028]  loop_control_ioctl+0x16c/0x480
[ 2022.985365]  ? loop_lookup+0x1d0/0x1d0
[ 2022.989274]  ? loop_lookup+0x1d0/0x1d0
[ 2022.993177]  do_vfs_ioctl+0xcdb/0x12e0
[ 2022.997074]  ? lock_downgrade+0x720/0x720
[ 2023.001229]  ? check_preemption_disabled+0x41/0x280
[ 2023.006426]  ? ioctl_preallocate+0x200/0x200
[ 2023.010839]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2023.015423]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2023.020188]  ? rcu_nmi_exit+0xb3/0x180
[ 2023.024084]  ? retint_kernel+0x2d/0x2d
[ 2023.027995]  ksys_ioctl+0x9b/0xc0
[ 2023.031465]  __x64_sys_ioctl+0x6f/0xb0
[ 2023.035359]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2023.039943]  do_syscall_64+0xf9/0x620
[ 2023.043757]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2023.048949] RIP: 0033:0x7f5e31db9ae9
[ 2023.052678] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2023.071613] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2023.079333] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2023.086609] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2023.093871] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2023.101217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
07:59:17 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa5, 0x0, 0x0)

[ 2023.108481] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:17 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 45)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:17 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180160007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:17 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3230000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2023.207649] NILFS (loop0): couldn't find nilfs on the device
[ 2023.231004] NILFS (loop3): couldn't find nilfs on the device
[ 2023.238631] NILFS (loop1): couldn't find nilfs on the device
07:59:17 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa6, 0x0, 0x0)

[ 2023.368649] FAULT_INJECTION: forcing a failure.
[ 2023.368649] name failslab, interval 1, probability 0, space 0, times 0
[ 2023.386363] CPU: 1 PID: 1948 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2023.394188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2023.403546] Call Trace:
[ 2023.406147]  dump_stack+0x1fc/0x2ef
[ 2023.409785]  should_fail.cold+0xa/0xf
[ 2023.413617]  ? setup_fault_attr+0x200/0x200
[ 2023.418078]  ? lock_acquire+0x170/0x3c0
[ 2023.422075]  __should_failslab+0x115/0x180
[ 2023.426342]  should_failslab+0x5/0x10
[ 2023.430156]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2023.435367]  dd_init_queue+0x94/0x430
[ 2023.439183]  blk_mq_init_sched+0x395/0x730
[ 2023.443440]  elevator_init_mq+0xf0/0x180
[ 2023.447512]  blk_mq_init_allocated_queue+0xe1f/0x1300
[ 2023.452723]  blk_mq_init_queue+0x5c/0xa0
[ 2023.456979]  loop_add+0x2cb/0x8a0
[ 2023.460467]  loop_control_ioctl+0x16c/0x480
[ 2023.464803]  ? loop_lookup+0x1d0/0x1d0
[ 2023.468717]  ? loop_lookup+0x1d0/0x1d0
[ 2023.472707]  do_vfs_ioctl+0xcdb/0x12e0
[ 2023.476604]  ? lock_downgrade+0x720/0x720
[ 2023.480860]  ? check_preemption_disabled+0x41/0x280
[ 2023.485887]  ? ioctl_preallocate+0x200/0x200
[ 2023.490462]  ? __fget+0x356/0x510
[ 2023.493937]  ? do_dup2+0x450/0x450
[ 2023.497488]  ? __fdget+0x83/0x230
[ 2023.500948]  ? __fdget+0x1ad/0x230
[ 2023.504505]  ksys_ioctl+0x9b/0xc0
[ 2023.507976]  __x64_sys_ioctl+0x6f/0xb0
[ 2023.511884]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2023.516475]  do_syscall_64+0xf9/0x620
[ 2023.520291]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2023.525504] RIP: 0033:0x7f5e31db9ae9
[ 2023.529224] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2023.548139] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2023.555887] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
07:59:18 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa7, 0x0, 0x0)

[ 2023.563173] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2023.570456] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2023.577739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2023.585104] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:18 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 46)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2023.754961] NILFS (loop0): couldn't find nilfs on the device
[ 2023.786100] NILFS (loop1): couldn't find nilfs on the device
[ 2023.830234] NILFS (loop0): couldn't find nilfs on the device
[ 2023.841095] FAULT_INJECTION: forcing a failure.
[ 2023.841095] name failslab, interval 1, probability 0, space 0, times 0
[ 2023.854504] CPU: 1 PID: 1973 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2023.862318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2023.871672] Call Trace:
[ 2023.874273]  dump_stack+0x1fc/0x2ef
[ 2023.877917]  should_fail.cold+0xa/0xf
[ 2023.881727]  ? setup_fault_attr+0x200/0x200
[ 2023.886057]  ? lock_acquire+0x170/0x3c0
[ 2023.890050]  __should_failslab+0x115/0x180
[ 2023.894293]  should_failslab+0x5/0x10
[ 2023.898098]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2023.903215]  __alloc_disk_node+0x69/0x410
[ 2023.907369]  loop_add+0x39c/0x8a0
[ 2023.910836]  loop_control_ioctl+0x16c/0x480
[ 2023.915176]  ? loop_lookup+0x1d0/0x1d0
[ 2023.919070]  ? mark_held_locks+0xa6/0xf0
[ 2023.923134]  ? loop_lookup+0x1d0/0x1d0
[ 2023.927022]  do_vfs_ioctl+0xcdb/0x12e0
[ 2023.930914]  ? lock_downgrade+0x720/0x720
[ 2023.935072]  ? check_preemption_disabled+0x41/0x280
[ 2023.940208]  ? ioctl_preallocate+0x200/0x200
[ 2023.944626]  ? __fget+0x356/0x510
[ 2023.948102]  ? do_dup2+0x450/0x450
[ 2023.951644]  ? rcu_nmi_exit+0xb3/0x180
[ 2023.955556]  ksys_ioctl+0x9b/0xc0
[ 2023.959010]  __x64_sys_ioctl+0x6f/0xb0
[ 2023.962890]  do_syscall_64+0xf9/0x620
[ 2023.966692]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2023.971962] RIP: 0033:0x7f5e31db9ae9
[ 2023.975674] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2023.994577] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2024.002287] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2024.009574] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2024.016840] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2024.024317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2024.031589] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2024.091322] NILFS (loop3): couldn't find nilfs on the device
[ 2024.097814] NILFS (loop4): couldn't find nilfs on the device
07:59:18 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003407180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:18 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa8, 0x0, 0x0)

07:59:18 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d30c0000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:18 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3480000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:18 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 47)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:18 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xa9, 0x0, 0x0)

07:59:18 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xaa, 0x0, 0x0)

[ 2024.381237] FAULT_INJECTION: forcing a failure.
[ 2024.381237] name failslab, interval 1, probability 0, space 0, times 0
[ 2024.393759] CPU: 1 PID: 2007 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2024.401573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2024.410937] Call Trace:
[ 2024.413536]  dump_stack+0x1fc/0x2ef
[ 2024.417208]  should_fail.cold+0xa/0xf
[ 2024.421049]  ? setup_fault_attr+0x200/0x200
[ 2024.425382]  ? lock_acquire+0x170/0x3c0
[ 2024.429371]  __should_failslab+0x115/0x180
[ 2024.433628]  should_failslab+0x5/0x10
[ 2024.437434]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2024.442542]  __alloc_disk_node+0x69/0x410
[ 2024.446692]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2024.451294]  loop_add+0x39c/0x8a0
[ 2024.455483]  loop_control_ioctl+0x16c/0x480
[ 2024.459811]  ? loop_lookup+0x1d0/0x1d0
[ 2024.463716]  ? loop_lookup+0x1d0/0x1d0
[ 2024.467613]  do_vfs_ioctl+0xcdb/0x12e0
[ 2024.471599]  ? lock_downgrade+0x720/0x720
[ 2024.475788]  ? check_preemption_disabled+0x41/0x280
[ 2024.480835]  ? ioctl_preallocate+0x200/0x200
[ 2024.485250]  ? __fget+0x356/0x510
[ 2024.488702]  ? do_dup2+0x450/0x450
[ 2024.492227]  ? vfs_write+0x393/0x540
[ 2024.495939]  ? fput+0x2b/0x190
[ 2024.499131]  ksys_ioctl+0x9b/0xc0
[ 2024.502572]  __x64_sys_ioctl+0x6f/0xb0
[ 2024.506459]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2024.511058]  do_syscall_64+0xf9/0x620
[ 2024.514861]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2024.520169] RIP: 0033:0x7f5e31db9ae9
[ 2024.523869] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2024.542763] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2024.550462] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2024.557737] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2024.565010] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2024.572280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2024.579551] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2024.655734] NILFS (loop4): couldn't find nilfs on the device
07:59:19 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180168007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:19 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xab, 0x0, 0x0)

07:59:19 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d34c0000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:19 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 48)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2024.811924] FAULT_INJECTION: forcing a failure.
[ 2024.811924] name failslab, interval 1, probability 0, space 0, times 0
[ 2024.824092] CPU: 1 PID: 2034 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2024.831940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2024.841821] Call Trace:
[ 2024.844427]  dump_stack+0x1fc/0x2ef
[ 2024.848076]  should_fail.cold+0xa/0xf
[ 2024.851893]  ? setup_fault_attr+0x200/0x200
[ 2024.856228]  ? lock_acquire+0x170/0x3c0
[ 2024.860303]  __should_failslab+0x115/0x180
[ 2024.864553]  should_failslab+0x5/0x10
[ 2024.868358]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2024.875383]  __alloc_disk_node+0x69/0x410
[ 2024.879535]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2024.884132]  loop_add+0x39c/0x8a0
[ 2024.887600]  loop_control_ioctl+0x16c/0x480
[ 2024.891923]  ? loop_lookup+0x1d0/0x1d0
[ 2024.895907]  ? loop_lookup+0x1d0/0x1d0
[ 2024.899789]  do_vfs_ioctl+0xcdb/0x12e0
[ 2024.903689]  ? lock_downgrade+0x720/0x720
[ 2024.907836]  ? check_preemption_disabled+0x41/0x280
[ 2024.912848]  ? ioctl_preallocate+0x200/0x200
[ 2024.917254]  ? __fget+0x356/0x510
[ 2024.920698]  ? do_dup2+0x450/0x450
[ 2024.924233]  ? rcu_nmi_exit+0xb3/0x180
[ 2024.928136]  ksys_ioctl+0x9b/0xc0
[ 2024.931615]  __x64_sys_ioctl+0x6f/0xb0
[ 2024.935500]  do_syscall_64+0xf9/0x620
[ 2024.939299]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2024.944493] RIP: 0033:0x7f5e31db9ae9
07:59:19 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xac, 0x0, 0x0)

[ 2024.948222] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2024.967133] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2024.974853] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2024.982140] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2024.989409] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2024.996680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2025.003944] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2025.055127] NILFS (loop0): couldn't find nilfs on the device
[ 2025.066957] NILFS (loop3): couldn't find nilfs on the device
[ 2025.073370] NILFS (loop1): couldn't find nilfs on the device
[ 2025.087269] NILFS (loop4): couldn't find nilfs on the device
[ 2025.279962] NILFS (loop1): couldn't find nilfs on the device
[ 2025.286365] NILFS (loop3): couldn't find nilfs on the device
[ 2025.292617] NILFS (loop4): couldn't find nilfs on the device
07:59:20 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003408180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:20 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 49)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:20 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xad, 0x0, 0x0)

07:59:20 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3600000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:20 executing program 4:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="020000000000343418016c007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="dd6bcb1c8fa443cb11faaf1e400007000000000000000000561b675f0000000010000000000000000c0000000500000040010000000000000100000000000000020000000000000001000000000000000100000001000000010000000000000000000000000000000600000000000000010000000000000004000000040000000200000000000000000000000000000003000000000000000100000000000000040000000000000002000000000000000500000000000000030000000000000004000000000000000100000000000000010000000100000006000000000000000000000000000000050000000000000001000000000000000100000001000000070000000000000000000000000000000300000000000000010000000000000003000000030000000000000000000000010000000000000002", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))
clock_gettime(0x0, &(0x7f0000004dc0))

07:59:20 executing program 3:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3230000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2025.534955] NILFS (loop0): couldn't find nilfs on the device
[ 2025.580696] FAULT_INJECTION: forcing a failure.
[ 2025.580696] name failslab, interval 1, probability 0, space 0, times 0
[ 2025.592482] CPU: 1 PID: 2073 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2025.600317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2025.609680] Call Trace:
[ 2025.612282]  dump_stack+0x1fc/0x2ef
[ 2025.615929]  should_fail.cold+0xa/0xf
[ 2025.619747]  ? setup_fault_attr+0x200/0x200
[ 2025.624080]  ? lock_acquire+0x170/0x3c0
[ 2025.628072]  __should_failslab+0x115/0x180
[ 2025.632317]  should_failslab+0x5/0x10
[ 2025.636128]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2025.641278]  __kmalloc_node+0x38/0x70
[ 2025.645094]  disk_expand_part_tbl+0x1b4/0x3a0
[ 2025.649618]  __alloc_disk_node+0x118/0x410
[ 2025.653868]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2025.658554]  loop_add+0x39c/0x8a0
[ 2025.662026]  loop_control_ioctl+0x16c/0x480
[ 2025.666358]  ? loop_lookup+0x1d0/0x1d0
[ 2025.670272]  ? loop_lookup+0x1d0/0x1d0
[ 2025.674204]  do_vfs_ioctl+0xcdb/0x12e0
[ 2025.678113]  ? lock_downgrade+0x720/0x720
[ 2025.682271]  ? check_preemption_disabled+0x41/0x280
[ 2025.687301]  ? ioctl_preallocate+0x200/0x200
[ 2025.691725]  ? __fget+0x356/0x510
[ 2025.695213]  ? do_dup2+0x450/0x450
[ 2025.698765]  ? vfs_write+0x393/0x540
[ 2025.702489]  ? fput+0x2b/0x190
[ 2025.705702]  ksys_ioctl+0x9b/0xc0
[ 2025.709173]  __x64_sys_ioctl+0x6f/0xb0
[ 2025.713073]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2025.717672]  do_syscall_64+0xf9/0x620
[ 2025.721504]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2025.726799] RIP: 0033:0x7f5e31db9ae9
[ 2025.730519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2025.749779] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2025.757513] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2025.764799] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2025.772081] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
07:59:20 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xae, 0x0, 0x0)

[ 2025.779365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2025.786664] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:20 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 50)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

07:59:20 executing program 0:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003434180100007a4a7934171308d3680000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

[ 2025.879626] NILFS (loop3): couldn't find nilfs on the device
[ 2025.891779] NILFS (loop4): couldn't find nilfs on the device
[ 2025.907872] NILFS (loop1): couldn't find nilfs on the device
[ 2025.995828] FAULT_INJECTION: forcing a failure.
[ 2025.995828] name failslab, interval 1, probability 0, space 0, times 0
[ 2026.015488] CPU: 1 PID: 2096 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2026.023321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2026.032852] Call Trace:
[ 2026.035565]  dump_stack+0x1fc/0x2ef
[ 2026.039213]  should_fail.cold+0xa/0xf
07:59:20 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xaf, 0x0, 0x0)

[ 2026.043027]  ? setup_fault_attr+0x200/0x200
[ 2026.047367]  __should_failslab+0x115/0x180
[ 2026.051615]  should_failslab+0x5/0x10
[ 2026.055430]  kmem_cache_alloc_node_trace+0x244/0x3b0
[ 2026.060558]  __kmalloc_node+0x38/0x70
[ 2026.064374]  disk_expand_part_tbl+0x1b4/0x3a0
[ 2026.068884]  __alloc_disk_node+0x118/0x410
[ 2026.073326]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2026.077922]  loop_add+0x39c/0x8a0
[ 2026.081391]  loop_control_ioctl+0x16c/0x480
[ 2026.085813]  ? loop_lookup+0x1d0/0x1d0
[ 2026.089723]  ? loop_lookup+0x1d0/0x1d0
[ 2026.093616]  do_vfs_ioctl+0xcdb/0x12e0
[ 2026.097514]  ? lock_downgrade+0x720/0x720
[ 2026.101670]  ? check_preemption_disabled+0x41/0x280
[ 2026.106696]  ? ioctl_preallocate+0x200/0x200
[ 2026.111112]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2026.115707]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2026.120479]  ? rcu_nmi_exit+0xb3/0x180
[ 2026.124376]  ? retint_kernel+0x2d/0x2d
[ 2026.128275]  ? ksys_ioctl+0x8a/0xc0
[ 2026.131910]  ksys_ioctl+0x9b/0xc0
[ 2026.135369]  __x64_sys_ioctl+0x6f/0xb0
[ 2026.139267]  ? lockdep_hardirqs_on+0x3a8/0x5c0
07:59:20 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xb0, 0x0, 0x0)

[ 2026.143875]  do_syscall_64+0xf9/0x620
[ 2026.147684]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2026.152903] RIP: 0033:0x7f5e31db9ae9
[ 2026.156620] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2026.175894] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2026.183615] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2026.190891] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2026.198176] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2026.205456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2026.212731] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
07:59:20 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xb1, 0x0, 0x0)

07:59:20 executing program 1:
syz_mount_image$nilfs2(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x15, &(0x7f0000000200)=[{&(0x7f0000010000)="0200000000003409180100007a4a7934171308d3000000003f00000000000000000010000000000004000000000000001000000005000000010000000000000004000000000000000000000000000000e003000000000000561b675f00000000571b675f00000000571b675f000000000100320000000100561b675f00000000004eed0000000000000000000b00000080002000c000100053b0c0d949ee453ea072891e4b77bc60", 0xa8, 0x400}, {&(0x7f0000010100)="000000000000000001", 0x9, 0x500}, {&(0x7f0000010200)="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", 0x139, 0x1000}, {&(0x7f0000010400)="0200000000000000100001022e0000000200000000000000100002022e2e00000b00000000000000e00306012e6e696c6673", 0x32, 0x1400}, {&(0x7f0000010500)="f41f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff0f", 0x402, 0x1800}, {&(0x7f0000010a00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2080}, {&(0x7f0000010b00)="01000000000000000004000000000000561b675f00000000561b675f0000000000000000000000000000000000000000ed41020000000000000000000000000001", 0x41, 0x2100}, {&(0x7f0000010c00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2380}, {&(0x7f0000010d00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2400}, {&(0x7f0000010e00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2480}, {&(0x7f0000010f00)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001", 0x33, 0x2500}, {&(0x7f0000011000)="00000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000a48101", 0x33, 0x2580}, {&(0x7f0000011100)="01", 0x1, 0x2800}, {&(0x7f0000011200)="0000000000000000000000000000000000000000000000000100000000000000561b675f000000000c000000000000000200000000000000050000000000000004000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000200000000000000030000000000000004000000000000000500000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000002", 0xd9, 0x28c0}, {&(0x7f0000011300)="02000000000000000000000000000000000000000000000003", 0x19, 0x2a40}, {&(0x7f0000011400)="02000000000000000000000000000000000000000000000004", 0x19, 0x2b00}, {&(0x7f0000011500)="3d0000000000000002000000000000003e000000000000000000000000000000561b675f000000000c0000000300000000000000000000000000000003", 0x3d, 0x2c00}, {&(0x7f0000011600)="f81f0000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000002000000020000000200000ff", 0x401, 0x3000}, {&(0x7f0000011b00)="05000000000000000100000000000000ffffffffffffffff000000000000000006000000000000000100000000000000ffffffffffffffff000000000000000007000000000000000100000000000000ffffffffffffffff000000000000000008000000000000000100000000000000ffffffffffffffff000000000000000009000000000000000100000000000000ffffffffffffffff00000000000000000a000000000000000100000000000000ffffffffffffffff00000000000000000b000000000000000100000000000000ffffffffffffffff", 0xd8, 0x3820}, {&(0x7f0000011c00)="53882a9490010000561b675f0000000003000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000c000000000000000d000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f0000000000000000000000000000000000000000008001000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000561b675f00000000561b675f00000000000000000000000000000000000000000080010000000000000000000000000007", 0x151, 0x3c00}, {0x0, 0x0, 0xffffffffffffffff}], 0x0, &(0x7f0000015b00))

07:59:20 executing program 5:
r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x80, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c29, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x9}, 0x1, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x802}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
timer_settime(0x0, 0x0, 0x0, 0x0)
unshare(0x0)
unshare(0x18040600)
perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) (fail_nth: 51)
timer_delete(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x4, @perf_config_ext={0x9c24}, 0xc305, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x7, r0, 0x9)
ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82)
unshare(0x40000)
timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240))
timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0))
openat(0xffffffffffffffff, 0x0, 0x0, 0xc)
ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb)
gettid()
setreuid(0x0, 0x0)

[ 2026.338514] NILFS (loop0): couldn't find nilfs on the device
[ 2026.364235] NILFS (loop3): couldn't find nilfs on the device
[ 2026.380154] NILFS (loop4): couldn't find nilfs on the device
[ 2026.420557] FAULT_INJECTION: forcing a failure.
[ 2026.420557] name failslab, interval 1, probability 0, space 0, times 0
[ 2026.432293] CPU: 1 PID: 2124 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2026.440101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2026.449485] Call Trace:
[ 2026.452090]  dump_stack+0x1fc/0x2ef
[ 2026.455739]  should_fail.cold+0xa/0xf
[ 2026.459551]  ? setup_fault_attr+0x200/0x200
[ 2026.463881]  ? lock_acquire+0x170/0x3c0
[ 2026.467873]  __should_failslab+0x115/0x180
[ 2026.472123]  should_failslab+0x5/0x10
[ 2026.476041]  kmem_cache_alloc_trace+0x284/0x380
[ 2026.480728]  device_add+0xe5a/0x16d0
[ 2026.484465]  ? device_check_offline+0x280/0x280
[ 2026.489131]  ? kfree_const+0x51/0x60
[ 2026.492862]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 2026.497869]  ? kfree+0x1e2/0x210
[ 2026.501316]  device_create_groups_vargs+0x1f4/0x270
[ 2026.506355]  device_create+0xdf/0x120
[ 2026.510154]  ? device_create_vargs+0x50/0x50
[ 2026.514822]  ? pointer+0x850/0x850
[ 2026.518435]  bdi_register_va.part.0+0x4c/0x750
[ 2026.523011]  bdi_register+0x12a/0x140
[ 2026.526813]  ? bdi_register_va+0x80/0x80
[ 2026.530924]  ? retint_kernel+0x2d/0x2d
[ 2026.534816]  bdi_register_owner+0x59/0x100
[ 2026.539058]  __device_add_disk+0xd58/0x10c0
[ 2026.543391]  ? sprintf+0xc0/0x100
[ 2026.546848]  ? blk_alloc_devt+0x2d0/0x2d0
[ 2026.551121]  ? __raw_spin_lock_init+0x28/0x100
[ 2026.555739]  ? __lockdep_init_map+0x100/0x5a0
[ 2026.560242]  loop_add+0x628/0x8a0
[ 2026.563688]  loop_control_ioctl+0x16c/0x480
[ 2026.568000]  ? loop_lookup+0x1d0/0x1d0
[ 2026.571890]  ? do_vfs_ioctl+0xbd/0x12e0
[ 2026.575887]  ? __sanitizer_cov_trace_switch+0x3a/0x80
[ 2026.581087]  ? loop_lookup+0x1d0/0x1d0
[ 2026.584976]  do_vfs_ioctl+0xcdb/0x12e0
[ 2026.588860]  ? lock_downgrade+0x720/0x720
[ 2026.593004]  ? check_preemption_disabled+0x41/0x280
[ 2026.598025]  ? ioctl_preallocate+0x200/0x200
[ 2026.602424]  ? __fget+0x356/0x510
[ 2026.605877]  ? do_dup2+0x450/0x450
[ 2026.609411]  ? vfs_write+0x393/0x540
[ 2026.613114]  ? fput+0x2b/0x190
[ 2026.616316]  ksys_ioctl+0x9b/0xc0
[ 2026.619768]  __x64_sys_ioctl+0x6f/0xb0
[ 2026.623643]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2026.628299]  do_syscall_64+0xf9/0x620
[ 2026.632090]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2026.637280] RIP: 0033:0x7f5e31db9ae9
[ 2026.640998] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2026.659997] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
07:59:21 executing program 2:
openat$procfs(0xffffff9c, &(0x7f0000000180)='/proc/stat\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='fd/3\x00')
sendmmsg$inet(0xffffffffffffffff, &(0x7f0000001ac0)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0x0, 0xa6ff8034}}], 0x1, 0x0)
preadv(r0, &(0x7f00000017c0), 0xb2, 0x0, 0x0)

[ 2026.667707] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2026.674987] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2026.682254] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2026.689524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2026.696791] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2026.735197] ------------[ cut here ]------------
[ 2026.746226] WARNING: CPU: 1 PID: 2124 at block/genhd.c:719 __device_add_disk.cold+0x69/0x188
[ 2026.754839] Kernel panic - not syncing: panic_on_warn set ...
[ 2026.754839] 
[ 2026.762217] CPU: 1 PID: 2124 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
[ 2026.770011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2026.779367] Call Trace:
[ 2026.781959]  dump_stack+0x1fc/0x2ef
[ 2026.785607]  panic+0x26a/0x50e
[ 2026.788803]  ? __warn_printk+0xf3/0xf3
[ 2026.792717]  ? __device_add_disk.cold+0x69/0x188
[ 2026.797497]  ? __probe_kernel_read+0x130/0x1b0
[ 2026.802093]  ? __warn.cold+0x5/0x5a
[ 2026.805728]  ? __device_add_disk.cold+0x69/0x188
[ 2026.810928]  __warn.cold+0x20/0x5a
[ 2026.814476]  ? __device_add_disk.cold+0x69/0x188
[ 2026.819259]  report_bug+0x262/0x2b0
[ 2026.822896]  do_error_trap+0x1d7/0x310
[ 2026.826793]  ? math_error+0x310/0x310
[ 2026.830590]  ? __irq_work_queue_local+0x101/0x160
[ 2026.835515]  ? irq_work_queue+0x29/0x80
[ 2026.839486]  ? error_entry+0x72/0xd0
[ 2026.843181]  ? trace_hardirqs_off_caller+0x6e/0x210
[ 2026.848218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2026.853059]  invalid_op+0x14/0x20
[ 2026.856518] RIP: 0010:__device_add_disk.cold+0x69/0x188
[ 2026.861990] Code: 02 84 c0 74 08 3c 03 0f 8e a8 00 00 00 44 8b a5 f0 05 00 00 e9 67 ad 6a fb e8 05 45 66 f9 48 c7 c7 60 75 b2 88 e8 64 76 f7 ff <0f> 0b e9 8f b9 6a fb e8 ed 44 66 f9 48 c7 c7 60 75 b2 88 e8 4c 76
[ 2026.881231] RSP: 0018:ffff888034c4fb38 EFLAGS: 00010286
[ 2026.886688] RAX: 0000000000000024 RBX: 0000000000000001 RCX: 0000000000000000
[ 2026.894077] RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1006989f59
[ 2026.901405] RBP: ffff88804b0576c0 R08: 0000000000000024 R09: 0000000000000000
[ 2026.908727] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88804b057750
[ 2026.916008] R13: ffff88804b057d50 R14: 00000000fffffff4 R15: ffff88804b0576c4
[ 2026.923295]  ? vprintk_func+0x81/0x180
[ 2026.927190]  ? __device_add_disk.cold+0x69/0x188
[ 2026.931949]  ? sprintf+0xc0/0x100
[ 2026.935400]  ? blk_alloc_devt+0x2d0/0x2d0
[ 2026.939676]  ? __raw_spin_lock_init+0x28/0x100
[ 2026.944273]  ? __lockdep_init_map+0x100/0x5a0
[ 2026.948781]  loop_add+0x628/0x8a0
[ 2026.952225]  loop_control_ioctl+0x16c/0x480
[ 2026.956550]  ? loop_lookup+0x1d0/0x1d0
[ 2026.960452]  ? do_vfs_ioctl+0xbd/0x12e0
[ 2026.964445]  ? __sanitizer_cov_trace_switch+0x3a/0x80
[ 2026.969652]  ? loop_lookup+0x1d0/0x1d0
[ 2026.973645]  do_vfs_ioctl+0xcdb/0x12e0
[ 2026.977536]  ? lock_downgrade+0x720/0x720
[ 2026.981690]  ? check_preemption_disabled+0x41/0x280
[ 2026.986715]  ? ioctl_preallocate+0x200/0x200
[ 2026.991285]  ? __fget+0x356/0x510
[ 2026.994749]  ? do_dup2+0x450/0x450
[ 2026.998293]  ? vfs_write+0x393/0x540
[ 2027.002007]  ? fput+0x2b/0x190
[ 2027.005209]  ksys_ioctl+0x9b/0xc0
[ 2027.008661]  __x64_sys_ioctl+0x6f/0xb0
[ 2027.012536]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[ 2027.017113]  do_syscall_64+0xf9/0x620
[ 2027.020932]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2027.026115] RIP: 0033:0x7f5e31db9ae9
[ 2027.029826] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 2027.048733] RSP: 002b:00007f5e2f32f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2027.056534] RAX: ffffffffffffffda RBX: 00007f5e31eccf60 RCX: 00007f5e31db9ae9
[ 2027.063800] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
[ 2027.071059] RBP: 00007f5e2f32f1d0 R08: 0000000000000000 R09: 0000000000000000
[ 2027.078323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 2027.085602] R13: 00007ffe9440026f R14: 00007f5e2f32f300 R15: 0000000000022000
[ 2027.093464] Kernel Offset: disabled
[ 2027.097299] Rebooting in 86400 seconds..