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)="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)) 07:58:56 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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)="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)) 07:58:59 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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)="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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)) 07:59:00 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)=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)=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)="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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 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)=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)="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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 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)=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)=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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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)="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)) [ 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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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 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)="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)) [ 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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)=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)=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)="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)) 07:59:10 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)=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)=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)="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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)) [ 2015.999826] 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)=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)="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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)="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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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)) 07:59:12 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)=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)=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)="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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 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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)) [ 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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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)) 07:59:16 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)=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)="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)) [ 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)=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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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)) [ 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)=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)="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)) 07:59:18 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)=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)="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)) 07:59:19 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)="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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)) 07:59:20 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$LOOP_CTL_GET_FREE(r1, 0x4c82) unshare(0x40000) timer_create(0x6, &(0x7f00000000c0)={0x0, 0x41, 0x4, @tid=0xffffffffffffffff}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x1, &(0x7f0000000280)={{}, {0x77359400}}, &(0x7f0000000240)) timer_create(0x7, &(0x7f0000000000), &(0x7f00000001c0)) openat(0xffffffffffffffff, 0x0, 0x0, 0xc) ioctl$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)=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 ]------------