SEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x9effffff, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:45 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) signalfd4(r0, &(0x7f0000000040)={[0x100]}, 0x8, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_FAIL(r1, 0xc0189377, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r0, {0x90, 0x7b7f}}, './file0\x00'}) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000100)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) signalfd4(r0, &(0x7f0000000040)={[0x100]}, 0x8, 0x0) (async) open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (async) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_FAIL(r1, 0xc0189377, &(0x7f00000000c0)={{0x1, 0x1, 0x18, r0, {0x90, 0x7b7f}}, './file0\x00'}) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r2) (async) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000100)) (async) 23:22:45 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 2) [ 939.871800] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 939.879060] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 939.886317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 939.893573] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:45 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 939.957485] FAT-fs (loop5): Directory bread(block 73760) failed [ 939.978474] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:45 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000000000000910000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xc00e0000, 0x0, {0x29}}, 0x14}}, 0x0) [ 940.049339] FAULT_INJECTION: forcing a failure. [ 940.049339] name failslab, interval 1, probability 0, space 0, times 0 [ 940.088796] CPU: 1 PID: 5579 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 940.096621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 940.105988] Call Trace: [ 940.108594] dump_stack+0x1fc/0x2ef [ 940.112249] should_fail.cold+0xa/0xf [ 940.116065] ? setup_fault_attr+0x200/0x200 [ 940.120401] ? lock_acquire+0x170/0x3c0 [ 940.124407] __should_failslab+0x115/0x180 [ 940.128663] should_failslab+0x5/0x10 [ 940.132514] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 940.137723] __kmalloc_node_track_caller+0x38/0x70 [ 940.142672] __alloc_skb+0xae/0x560 [ 940.146316] netlink_sendmsg+0x9f6/0xc50 [ 940.150392] ? aa_af_perm+0x230/0x230 [ 940.154198] ? nlmsg_notify+0x1f0/0x1f0 [ 940.158183] ? kernel_recvmsg+0x220/0x220 [ 940.162353] ? nlmsg_notify+0x1f0/0x1f0 [ 940.166342] sock_sendmsg+0xc3/0x120 [ 940.170066] ___sys_sendmsg+0x7bb/0x8e0 [ 940.174059] ? check_preemption_disabled+0x41/0x280 [ 940.179091] ? copy_msghdr_from_user+0x440/0x440 [ 940.183867] ? __fget+0x32f/0x510 [ 940.187346] ? lock_downgrade+0x720/0x720 [ 940.191514] ? check_preemption_disabled+0x41/0x280 [ 940.196550] ? check_preemption_disabled+0x41/0x280 [ 940.201586] ? __fget+0x356/0x510 [ 940.205053] ? do_dup2+0x450/0x450 [ 940.208600] ? lock_downgrade+0x720/0x720 [ 940.212768] ? vfs_write+0x3d7/0x540 [ 940.213135] Restarting kernel threads ... done. [ 940.216494] ? __fdget+0x1d0/0x230 [ 940.216518] __x64_sys_sendmsg+0x132/0x220 [ 940.216533] ? __sys_sendmsg+0x1b0/0x1b0 [ 940.216544] ? vfs_write+0x393/0x540 [ 940.216568] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 940.242073] ? trace_hardirqs_off_caller+0x6e/0x210 [ 940.247102] ? do_syscall_64+0x21/0x620 [ 940.251090] do_syscall_64+0xf9/0x620 [ 940.254905] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 940.260102] RIP: 0033:0x7f1dcd3b15a9 [ 940.263829] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 940.282736] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 940.290461] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:45 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_FREE(r0, 0x3305) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:46 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_FREE(r0, 0x3305) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x8) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:22:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xce71cb93, 0x0, {0x29}}, 0x14}}, 0x0) [ 940.297752] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 940.305027] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 940.312310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 940.319583] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 940.373673] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 940.391129] FAT-fs (loop5): Directory bread(block 74272) failed [ 940.400550] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:46 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000003000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x191081, 0x0) 23:22:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 3) 23:22:46 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000020000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xf0ffffff, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:46 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 940.422874] Restarting kernel threads ... done. [ 940.428012] FAT-fs (loop1): FAT read failed (blocknr 32) [ 940.446237] Restarting kernel threads ... done. 23:22:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x191081, 0x0) [ 940.560528] FAULT_INJECTION: forcing a failure. [ 940.560528] name failslab, interval 1, probability 0, space 0, times 0 [ 940.617459] CPU: 0 PID: 5630 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 940.625284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 940.628223] Restarting kernel threads ... done. [ 940.634634] Call Trace: [ 940.634659] dump_stack+0x1fc/0x2ef [ 940.634678] should_fail.cold+0xa/0xf [ 940.634695] ? setup_fault_attr+0x200/0x200 [ 940.634715] ? lock_acquire+0x170/0x3c0 [ 940.657636] __should_failslab+0x115/0x180 [ 940.661886] should_failslab+0x5/0x10 23:22:46 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x191081, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x191081, 0x0) (async) [ 940.665703] kmem_cache_alloc_trace+0x284/0x380 [ 940.670399] nbd_dev_add+0x44/0x890 [ 940.674039] nbd_genl_connect+0x488/0x1630 [ 940.678296] ? nbd_xmit_timeout+0x730/0x730 [ 940.682639] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 940.687849] ? validate_nla+0x270/0x820 [ 940.691929] ? nla_parse+0x1b2/0x290 [ 940.695668] genl_family_rcv_msg+0x642/0xc40 [ 940.700094] ? genl_rcv+0x40/0x40 [ 940.703557] ? genl_rcv_msg+0x12f/0x160 [ 940.707538] ? mutex_trylock+0x1a0/0x1a0 [ 940.711608] ? __radix_tree_lookup+0x216/0x370 [ 940.716195] genl_rcv_msg+0xbf/0x160 [ 940.719902] netlink_rcv_skb+0x160/0x440 [ 940.723956] ? genl_family_rcv_msg+0xc40/0xc40 [ 940.728533] ? netlink_ack+0xae0/0xae0 [ 940.732415] ? genl_rcv+0x15/0x40 [ 940.735864] genl_rcv+0x24/0x40 [ 940.739133] netlink_unicast+0x4d5/0x690 [ 940.743185] ? netlink_sendskb+0x110/0x110 [ 940.747408] ? _copy_from_iter_full+0x229/0x7c0 [ 940.752877] ? __phys_addr_symbol+0x2c/0x70 [ 940.757193] ? __check_object_size+0x17b/0x3e0 [ 940.761772] netlink_sendmsg+0x6c3/0xc50 [ 940.765827] ? aa_af_perm+0x230/0x230 [ 940.769627] ? nlmsg_notify+0x1f0/0x1f0 [ 940.773589] ? kernel_recvmsg+0x220/0x220 [ 940.777733] ? nlmsg_notify+0x1f0/0x1f0 [ 940.781702] sock_sendmsg+0xc3/0x120 [ 940.785426] ___sys_sendmsg+0x7bb/0x8e0 [ 940.789414] ? check_preemption_disabled+0x41/0x280 [ 940.794431] ? copy_msghdr_from_user+0x440/0x440 [ 940.799183] ? __fget+0x32f/0x510 [ 940.802634] ? lock_downgrade+0x720/0x720 [ 940.806770] ? check_preemption_disabled+0x41/0x280 [ 940.811777] ? check_preemption_disabled+0x41/0x280 [ 940.816787] ? __fget+0x356/0x510 [ 940.820242] ? do_dup2+0x450/0x450 [ 940.823779] ? lock_downgrade+0x720/0x720 [ 940.827944] ? vfs_write+0x3d7/0x540 [ 940.831664] ? __fdget+0x1d0/0x230 [ 940.835212] __x64_sys_sendmsg+0x132/0x220 [ 940.839470] ? __sys_sendmsg+0x1b0/0x1b0 [ 940.843531] ? vfs_write+0x393/0x540 [ 940.847255] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 940.852613] ? trace_hardirqs_off_caller+0x6e/0x210 [ 940.857625] ? do_syscall_64+0x21/0x620 [ 940.861602] do_syscall_64+0xf9/0x620 [ 940.865399] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 940.870582] RIP: 0033:0x7f1dcd3b15a9 [ 940.874297] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 940.893191] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 940.900888] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 940.908162] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:22:46 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x83, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0xfffffffffffff65a) ioctl$SNAPSHOT_FREE(r0, 0x3305) [ 940.915437] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 940.922693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 940.930301] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 940.947121] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:46 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000030000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 940.967282] nbd: failed to add new device 23:22:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xfffff000, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:46 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0xfffffffffffffffd) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) sendmsg$nl_route(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv4_newroute={0x24, 0x18, 0x10, 0x70bd28, 0x25dfdbfb, {0x2, 0x10, 0x10, 0x71, 0xff, 0x3, 0xfd, 0x5, 0x300}, [@RTA_FLOW={0x8, 0xb, 0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x24000005}, 0x8000) [ 940.989825] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 941.029296] FAT-fs (loop1): FAT read failed (blocknr 32) 23:22:46 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000005000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 4) [ 941.071577] Restarting kernel threads ... done. 23:22:46 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0xfffffffffffffffd) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) sendmsg$nl_route(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv4_newroute={0x24, 0x18, 0x10, 0x70bd28, 0x25dfdbfb, {0x2, 0x10, 0x10, 0x71, 0xff, 0x3, 0xfd, 0x5, 0x300}, [@RTA_FLOW={0x8, 0xb, 0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x24000005}, 0x8000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10000, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r1) (async) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0xfffffffffffffffd) (async) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) (async) sendmsg$nl_route(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv4_newroute={0x24, 0x18, 0x10, 0x70bd28, 0x25dfdbfb, {0x2, 0x10, 0x10, 0x71, 0xff, 0x3, 0xfd, 0x5, 0x300}, [@RTA_FLOW={0x8, 0xb, 0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x24000005}, 0x8000) (async) 23:22:46 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x83, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0xfffffffffffff65a) ioctl$SNAPSHOT_FREE(r0, 0x3305) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x83, 0x0) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0xfffffffffffff65a) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async) 23:22:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xffffff7f, 0x0, {0x29}}, 0x14}}, 0x0) [ 941.157223] FAULT_INJECTION: forcing a failure. [ 941.157223] name failslab, interval 1, probability 0, space 0, times 0 [ 941.174292] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 941.210496] CPU: 0 PID: 5662 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 941.217860] Restarting kernel threads ... done. [ 941.218321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 941.232332] Call Trace: [ 941.234934] dump_stack+0x1fc/0x2ef [ 941.238578] should_fail.cold+0xa/0xf [ 941.242403] ? setup_fault_attr+0x200/0x200 [ 941.246735] ? lock_acquire+0x170/0x3c0 [ 941.250725] __should_failslab+0x115/0x180 [ 941.255062] should_failslab+0x5/0x10 [ 941.258879] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 941.263997] __alloc_disk_node+0x69/0x410 [ 941.268163] nbd_dev_add+0x6c/0x890 [ 941.271807] nbd_genl_connect+0x488/0x1630 [ 941.276069] ? nbd_xmit_timeout+0x730/0x730 [ 941.280512] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 941.286154] ? validate_nla+0x270/0x820 [ 941.290153] ? nla_parse+0x1b2/0x290 [ 941.293886] genl_family_rcv_msg+0x642/0xc40 [ 941.298320] ? genl_rcv+0x40/0x40 [ 941.301789] ? genl_rcv_msg+0x12f/0x160 [ 941.305770] ? mutex_trylock+0x1a0/0x1a0 [ 941.309843] ? __radix_tree_lookup+0x216/0x370 [ 941.314437] genl_rcv_msg+0xbf/0x160 [ 941.318150] netlink_rcv_skb+0x160/0x440 [ 941.322209] ? genl_family_rcv_msg+0xc40/0xc40 [ 941.326797] ? netlink_ack+0xae0/0xae0 [ 941.330677] ? genl_rcv+0x15/0x40 [ 941.334124] genl_rcv+0x24/0x40 [ 941.337395] netlink_unicast+0x4d5/0x690 [ 941.341454] ? netlink_sendskb+0x110/0x110 [ 941.345680] ? _copy_from_iter_full+0x229/0x7c0 [ 941.350342] ? __phys_addr_symbol+0x2c/0x70 [ 941.354663] ? __check_object_size+0x17b/0x3e0 [ 941.359236] netlink_sendmsg+0x6c3/0xc50 [ 941.363295] ? aa_af_perm+0x230/0x230 [ 941.367093] ? nlmsg_notify+0x1f0/0x1f0 [ 941.371056] ? kernel_recvmsg+0x220/0x220 [ 941.375201] ? nlmsg_notify+0x1f0/0x1f0 [ 941.379169] sock_sendmsg+0xc3/0x120 [ 941.382885] ___sys_sendmsg+0x7bb/0x8e0 [ 941.386855] ? check_preemption_disabled+0x41/0x280 [ 941.391861] ? copy_msghdr_from_user+0x440/0x440 [ 941.396629] ? __fget+0x32f/0x510 [ 941.400077] ? lock_downgrade+0x720/0x720 [ 941.404213] ? check_preemption_disabled+0x41/0x280 [ 941.409224] ? check_preemption_disabled+0x41/0x280 [ 941.414243] ? __fget+0x356/0x510 [ 941.417689] ? do_dup2+0x450/0x450 [ 941.421220] ? lock_downgrade+0x720/0x720 [ 941.425363] ? vfs_write+0x3d7/0x540 [ 941.429076] ? __fdget+0x1d0/0x230 [ 941.432611] __x64_sys_sendmsg+0x132/0x220 [ 941.436841] ? __sys_sendmsg+0x1b0/0x1b0 [ 941.440891] ? vfs_write+0x393/0x540 [ 941.444605] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 941.449959] ? trace_hardirqs_off_caller+0x6e/0x210 [ 941.454972] ? do_syscall_64+0x21/0x620 [ 941.458938] do_syscall_64+0xf9/0x620 [ 941.462732] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 941.467908] RIP: 0033:0x7f1dcd3b15a9 [ 941.471620] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 941.490527] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 941.498261] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 941.505517] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 941.512772] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 941.520028] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 941.527305] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:47 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000040000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 941.552295] Restarting kernel threads ... done. 23:22:47 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0xfffffffffffffffd) (async) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) (async) sendmsg$nl_route(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv4_newroute={0x24, 0x18, 0x10, 0x70bd28, 0x25dfdbfb, {0x2, 0x10, 0x10, 0x71, 0xff, 0x3, 0xfd, 0x5, 0x300}, [@RTA_FLOW={0x8, 0xb, 0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x24000005}, 0x8000) 23:22:47 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x83, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0xfffffffffffff65a) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) 23:22:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xffffff9e, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:47 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 5) [ 941.585685] nbd: failed to add new device [ 941.592956] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:47 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x501101, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x86ae) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 941.646561] FAT-fs (loop1): FAT read failed (blocknr 32) [ 941.656336] Restarting kernel threads ... done. 23:22:47 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040), 0x24101, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080), 0x490a02, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f0000000000)) syz_open_procfs(0x0, &(0x7f00000000c0)='net/softnet_stat\x00') ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x3) 23:22:47 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000006000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 941.710820] FAULT_INJECTION: forcing a failure. [ 941.710820] name failslab, interval 1, probability 0, space 0, times 0 [ 941.738146] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 941.766192] CPU: 0 PID: 5702 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 941.774027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 941.783388] Call Trace: [ 941.785991] dump_stack+0x1fc/0x2ef [ 941.789638] should_fail.cold+0xa/0xf [ 941.793462] ? setup_fault_attr+0x200/0x200 [ 941.797800] ? lock_acquire+0x170/0x3c0 [ 941.801791] __should_failslab+0x115/0x180 [ 941.806042] should_failslab+0x5/0x10 [ 941.809858] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 941.814983] __kmalloc_node+0x38/0x70 [ 941.818803] disk_expand_part_tbl+0x1b4/0x3a0 [ 941.823319] __alloc_disk_node+0x118/0x410 [ 941.827566] nbd_dev_add+0x6c/0x890 [ 941.831206] nbd_genl_connect+0x488/0x1630 [ 941.835468] ? nbd_xmit_timeout+0x730/0x730 [ 941.839801] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 941.845003] ? validate_nla+0x270/0x820 [ 941.849077] ? nla_parse+0x1b2/0x290 [ 941.852794] genl_family_rcv_msg+0x642/0xc40 [ 941.857194] ? genl_rcv+0x40/0x40 [ 941.860635] ? genl_rcv_msg+0x12f/0x160 [ 941.864604] ? mutex_trylock+0x1a0/0x1a0 [ 941.868663] ? __radix_tree_lookup+0x216/0x370 [ 941.873238] genl_rcv_msg+0xbf/0x160 [ 941.876935] netlink_rcv_skb+0x160/0x440 [ 941.880980] ? genl_family_rcv_msg+0xc40/0xc40 [ 941.885558] ? netlink_ack+0xae0/0xae0 [ 941.889437] ? genl_rcv+0x15/0x40 [ 941.892881] genl_rcv+0x24/0x40 [ 941.896166] netlink_unicast+0x4d5/0x690 [ 941.900228] ? netlink_sendskb+0x110/0x110 [ 941.904452] ? _copy_from_iter_full+0x229/0x7c0 [ 941.909258] ? __phys_addr_symbol+0x2c/0x70 [ 941.913576] ? __check_object_size+0x17b/0x3e0 [ 941.918152] netlink_sendmsg+0x6c3/0xc50 [ 941.922205] ? aa_af_perm+0x230/0x230 [ 941.925990] ? nlmsg_notify+0x1f0/0x1f0 [ 941.929947] ? kernel_recvmsg+0x220/0x220 [ 941.934092] ? nlmsg_notify+0x1f0/0x1f0 [ 941.938387] sock_sendmsg+0xc3/0x120 [ 941.942115] ___sys_sendmsg+0x7bb/0x8e0 [ 941.946090] ? check_preemption_disabled+0x41/0x280 [ 941.951107] ? copy_msghdr_from_user+0x440/0x440 [ 941.955853] ? __fget+0x32f/0x510 [ 941.959312] ? lock_downgrade+0x720/0x720 [ 941.963456] ? check_preemption_disabled+0x41/0x280 [ 941.968567] ? check_preemption_disabled+0x41/0x280 [ 941.973581] ? __fget+0x356/0x510 [ 941.977031] ? do_dup2+0x450/0x450 [ 941.980565] ? lock_downgrade+0x720/0x720 [ 941.984706] ? vfs_write+0x3d7/0x540 [ 941.988405] ? __fdget+0x1d0/0x230 [ 941.991935] __x64_sys_sendmsg+0x132/0x220 [ 941.996153] ? __sys_sendmsg+0x1b0/0x1b0 [ 942.000201] ? vfs_write+0x393/0x540 [ 942.003910] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 942.009383] ? trace_hardirqs_off_caller+0x6e/0x210 [ 942.014384] ? do_syscall_64+0x21/0x620 [ 942.018344] do_syscall_64+0xf9/0x620 [ 942.022143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.027403] RIP: 0033:0x7f1dcd3b15a9 [ 942.031501] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 942.050404] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 942.058110] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:47 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000050000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 942.065393] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 942.072649] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 942.079902] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 942.087154] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:47 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040), 0x24101, 0x0) (async) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080), 0x490a02, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f0000000000)) (async) syz_open_procfs(0x0, &(0x7f00000000c0)='net/softnet_stat\x00') ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x3) [ 942.125463] nbd: failed to add new device 23:22:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 6) 23:22:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xfffffff0, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x501101, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x86ae) (async, rerun: 64) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (rerun: 64) 23:22:48 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040), 0x24101, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080), 0x490a02, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f0000000000)) (async) syz_open_procfs(0x0, &(0x7f00000000c0)='net/softnet_stat\x00') (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0x3) [ 942.183792] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 942.211009] FAT-fs (loop1): FAT read failed (blocknr 32) 23:22:48 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000007000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x501101, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x86ae) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 942.285159] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0xffffffff, 0x0, {0x29}}, 0x14}}, 0x0) 23:22:48 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000060000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 942.332372] FAULT_INJECTION: forcing a failure. [ 942.332372] name failslab, interval 1, probability 0, space 0, times 0 [ 942.391112] CPU: 0 PID: 5746 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 942.398951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 942.408316] Call Trace: [ 942.410927] dump_stack+0x1fc/0x2ef [ 942.414580] should_fail.cold+0xa/0xf [ 942.418394] ? setup_fault_attr+0x200/0x200 [ 942.422729] ? lock_acquire+0x170/0x3c0 [ 942.426723] __should_failslab+0x115/0x180 [ 942.431073] should_failslab+0x5/0x10 [ 942.434887] kmem_cache_alloc_trace+0x284/0x380 [ 942.439579] rand_initialize_disk+0x3b/0xc0 [ 942.443914] __alloc_disk_node+0x234/0x410 [ 942.448165] nbd_dev_add+0x6c/0x890 [ 942.451816] nbd_genl_connect+0x488/0x1630 [ 942.456082] ? nbd_xmit_timeout+0x730/0x730 [ 942.460421] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 942.465625] ? validate_nla+0x270/0x820 [ 942.469624] ? nla_parse+0x1b2/0x290 [ 942.473376] genl_family_rcv_msg+0x642/0xc40 [ 942.477806] ? genl_rcv+0x40/0x40 [ 942.481272] ? genl_rcv_msg+0x12f/0x160 [ 942.485408] ? mutex_trylock+0x1a0/0x1a0 [ 942.489494] ? __radix_tree_lookup+0x216/0x370 [ 942.494103] genl_rcv_msg+0xbf/0x160 [ 942.497838] netlink_rcv_skb+0x160/0x440 [ 942.501916] ? genl_family_rcv_msg+0xc40/0xc40 [ 942.506523] ? netlink_ack+0xae0/0xae0 [ 942.510439] ? genl_rcv+0x15/0x40 [ 942.513912] genl_rcv+0x24/0x40 [ 942.517206] netlink_unicast+0x4d5/0x690 [ 942.521293] ? netlink_sendskb+0x110/0x110 [ 942.525540] ? _copy_from_iter_full+0x229/0x7c0 [ 942.530225] ? __phys_addr_symbol+0x2c/0x70 [ 942.534564] ? __check_object_size+0x17b/0x3e0 [ 942.539170] netlink_sendmsg+0x6c3/0xc50 [ 942.543248] ? aa_af_perm+0x230/0x230 [ 942.547054] ? nlmsg_notify+0x1f0/0x1f0 [ 942.551022] ? kernel_recvmsg+0x220/0x220 [ 942.555168] ? nlmsg_notify+0x1f0/0x1f0 [ 942.559137] sock_sendmsg+0xc3/0x120 [ 942.562844] ___sys_sendmsg+0x7bb/0x8e0 [ 942.566811] ? check_preemption_disabled+0x41/0x280 [ 942.571826] ? copy_msghdr_from_user+0x440/0x440 [ 942.576573] ? __fget+0x32f/0x510 [ 942.580020] ? lock_downgrade+0x720/0x720 [ 942.584160] ? check_preemption_disabled+0x41/0x280 [ 942.589168] ? check_preemption_disabled+0x41/0x280 [ 942.594177] ? __fget+0x356/0x510 [ 942.597624] ? do_dup2+0x450/0x450 [ 942.601154] ? lock_downgrade+0x720/0x720 [ 942.605294] ? vfs_write+0x3d7/0x540 [ 942.609001] ? __fdget+0x1d0/0x230 [ 942.612534] __x64_sys_sendmsg+0x132/0x220 [ 942.616758] ? __sys_sendmsg+0x1b0/0x1b0 [ 942.620806] ? vfs_write+0x393/0x540 [ 942.624516] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 942.629873] ? trace_hardirqs_off_caller+0x6e/0x210 [ 942.634908] ? do_syscall_64+0x21/0x620 [ 942.638877] do_syscall_64+0xf9/0x620 [ 942.642671] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 942.647850] RIP: 0033:0x7f1dcd3b15a9 [ 942.651560] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 942.670537] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 942.678250] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10682, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x743428581968efc2, 0x0) ioctl$SNAPSHOT_FREE(r1, 0x3305) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x100000000}}, './file0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) sendmmsg(r2, &(0x7f0000003240)=[{{&(0x7f0000000080)=@in6={0xa, 0x4e21, 0x1, @local, 0x10001}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000100)="c801b6fc61c7ceddfef9ed38896065346548fc852ae42f1f7bab11e20d1af1328d41eb44cc597a193d5a2675f1c692ed25a66a6c2340fc94cf29ad94f3bef5eff3b66e3bf5541329f7d9d1adc0faa341cdafb58627ce1f8b0df1f443d2ab66d32941a995b4ee1b348259f908261373b651f711b4f3257bd1d4debc538e3828ded03d7e090d5ceb41f3f73f9e9b1fb867ee319db1e48eeb883741aaf8fa910abdc7ed50bb9c88c2fd8bd15e775d3e5d9e67dc5dfe412a71d9a98a8f9c0c0f3808e4a107ec6c25001c", 0xc8}, {&(0x7f0000000200)="0cb542550c2c981da9b3ffef54ce4e33365c2523e45462984a808f23e0bb0c9d3c3056f34eafd50717505d4fd64b4b6b23a955eb0a993f86296068e09bc657498c82e55d1623114cbf086c135ddb03422ab7fc2add083d4374d8f73b893fbab086726de1025ffd968aac741f03d2a9d4510dc941a27ab2c142a2c030432e07b137107771c0cff93bc5f519b4388daf1d7c36bea0c7ee28fcbcbd047f92c1c52569447080783f610042d66f7f7b00a997bfec0e622141af91ec82a7962f9fbbb688e7c0f41754ee5c1383406e8012c0c6f57684b945b2", 0xd6}], 0x2, &(0x7f0000001b80)=[{0x88, 0x115, 0x7, "0758e8c5f06242c62b7180a48e86de579c421a6b4c1c5f0c92357188e87900cb9f20466a0b1c560bf8aab3d4c8c413d6b74daa7e52ad3b662941d3f252152cb1f59d18708c42cf1b7d411ee67619252b973f4b62a5509151efe6b66b7315ebbdf3011b370c04a6b47532ae7375bf7ead1817f1a96ae1ad"}, {0x10, 0x111, 0x7}, {0x10, 0x104, 0x5}, {0x100, 0x11, 0x40, "024acba57093f03b2ac45fb008f6c3f30eafdc38b39d9b4612c4dfb76a54e10dddca12fe3eff1a88fed1a2ba8db55586c648964640c9c5910da5a48da3735e167f0d406f7e1fe330c17e4188c4ac5daf3ab6f756550797090f69e9001e15a6dc2f50642d929e36b7a7374eb447acebea032516139df7f63dd8e8c39c311ae67a3f3ac286f59c8dc3f6b2317be7a7dc9bf3050febae26a1ed24fb3dd3a8328435a30eb92ba5cd9c5188bcd5261f89857efc88c7ac1cb52d7e3c65584c4faa46ddb0e8cec229516797696659e36e87f01ac586f468dc707511010e03439f34da92e33199925aa4515efbaecb"}, {0xf0, 0x0, 0xc3, "df0dd6c1d456e2edbff263c14b7a13d02c040dcbcc55deafe0a853f17c68575521dcc361060aa90387ceb0d69c2df34f265e449e963e2ec8923fab45a66ffc802a8c61a75b31569ac58e8fabe99e33adeec5ae1bcd7a9959b5b423aba65d19321ed28590cc75be21d280948f1890a1d697bbeacb75863c4e6c9a2bde266b44e2fc858ef383bad8f101d7f59d649d3dfe60d7d99f400d28b4004490634c0e45fe08a021d1b674a59fa40778fb43535f861edc7663b6ed5a1ba06637020b50b65241bc555b65aa772c52c721763a89eebe765dc26b6c0a846021b89d7fe10987"}, {0x58, 0x116, 0x5, "90e1b4aff1249a75f4a4c3d429ace3a55b0b23929ad53114d0dafb58633998c4fc734fc2128cd587753c757d8adfcaaeb409b7afa78d97109a851f8c924a54349aed0547c50f"}, {0x28, 0x103, 0x4, "8f26999c8d8f361651d0c44225c40d1f52c93a"}, {0x30, 0x107, 0x7fff, "1fb59b8cb5ac6d4c79c69ac45ae13b8944b8feee5117f10a6d4997e441d56b82"}], 0x348}}, {{&(0x7f0000000340)=@sco, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000740)="80ca82e0da1d5b4a643ddc646b5f6afa5630ad116f2d78c81f8be3a566028f6e7c7d2ce48087cb7f52d1d2cb2d292fca1e625a7b20024edebd6f52985bf7902e465f63d40300f8cfb69b2f9deeec0ae9f3a310ad56631756ec388ad780e5fc4e4685079e256bdb61f35f05d7a515e261ce0171fc1e3c403996f1a05d17c58799f0e2967d5c31184969c54e386772829d8db02277ecbe17c0843afcdec8b953c4db95c2cd3426a75f9c", 0xa9}, {&(0x7f0000000800)="f8f52e7900de03fa1a3a6ef920e26e2336845bcc31f3555c9c1368f7c1c02cf632e09512ff9b3fefda5e5f2d654adb3472089b5bd9565319a878128276e706c97d99518692661938911c3197a97b57a96c12e730ab9deeead8f351c5b8cc9dbb1b539b61471608b0a86c5d078f0badd8e496ebcca1b26203ab34bc0774092a175255c83d894af8c63d363bef2bf92fecfd4cfcb45aead7199cf282e36dd600f36ef2b37af9bbe69f226f9a23aedd077480ea7198dc775de89f583a0df351d5c8d5e0bcd6ee8793305325b06bc43f6e4bd5aeb503338475169c", 0xd9}], 0x2, 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{&(0x7f00000020c0)="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0x1000}, {&(0x7f0000000700)="f39aea1d13fcde83d5b3dd406a02fbe0bd2c3a9aca77b66633f78b27e774e8f920b598b7d932e32577bd1370bac24c891d608401b1", 0x35}], 0x8, &(0x7f0000003140)=[{0xb0, 0x10a, 0x7fffffff, "d6c94770dadf98a597feacf9858e0b0a196855f7d0997b9d6e75408eda715d7bf001c5cefa63ffb46730f6433e0e332bd3e8fbf74dff692fabdaa02db80a60f240ad2716b7c7905620b3b6b96de4f0ab9d9b32e0774d4ef1b25e49b7bc3d2cbeeeb142bd9b6bba2a82b6d054c7ef3d27ee51e49d80b2f0c99e133c91eca22609d69ac3ffdb7fa542c34e64cc8f381270331501dce0c0ad83eb3be80c8d7f5037"}, {0x18, 0x10e, 0x8001, "e9af25eff38d6f"}], 0xc8}}], 0x3, 0x4018) ioctl$SNAPSHOT_S2RAM(r2, 0x330b) 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) (async) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) (async) [ 942.685507] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 942.692768] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 942.700027] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 942.707285] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 942.723212] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) fcntl$getownex(r0, 0x10, &(0x7f0000000040)) [ 942.737069] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 942.750849] FAT-fs (loop1): FAT read failed (blocknr 32) 23:22:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 7) 23:22:48 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000009000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:48 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000070000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10682, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x743428581968efc2, 0x0) ioctl$SNAPSHOT_FREE(r1, 0x3305) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x100000000}}, './file0\x00'}) (async) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) sendmmsg(r2, &(0x7f0000003240)=[{{&(0x7f0000000080)=@in6={0xa, 0x4e21, 0x1, @local, 0x10001}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000100)="c801b6fc61c7ceddfef9ed38896065346548fc852ae42f1f7bab11e20d1af1328d41eb44cc597a193d5a2675f1c692ed25a66a6c2340fc94cf29ad94f3bef5eff3b66e3bf5541329f7d9d1adc0faa341cdafb58627ce1f8b0df1f443d2ab66d32941a995b4ee1b348259f908261373b651f711b4f3257bd1d4debc538e3828ded03d7e090d5ceb41f3f73f9e9b1fb867ee319db1e48eeb883741aaf8fa910abdc7ed50bb9c88c2fd8bd15e775d3e5d9e67dc5dfe412a71d9a98a8f9c0c0f3808e4a107ec6c25001c", 0xc8}, {&(0x7f0000000200)="0cb542550c2c981da9b3ffef54ce4e33365c2523e45462984a808f23e0bb0c9d3c3056f34eafd50717505d4fd64b4b6b23a955eb0a993f86296068e09bc657498c82e55d1623114cbf086c135ddb03422ab7fc2add083d4374d8f73b893fbab086726de1025ffd968aac741f03d2a9d4510dc941a27ab2c142a2c030432e07b137107771c0cff93bc5f519b4388daf1d7c36bea0c7ee28fcbcbd047f92c1c52569447080783f610042d66f7f7b00a997bfec0e622141af91ec82a7962f9fbbb688e7c0f41754ee5c1383406e8012c0c6f57684b945b2", 0xd6}], 0x2, &(0x7f0000001b80)=[{0x88, 0x115, 0x7, "0758e8c5f06242c62b7180a48e86de579c421a6b4c1c5f0c92357188e87900cb9f20466a0b1c560bf8aab3d4c8c413d6b74daa7e52ad3b662941d3f252152cb1f59d18708c42cf1b7d411ee67619252b973f4b62a5509151efe6b66b7315ebbdf3011b370c04a6b47532ae7375bf7ead1817f1a96ae1ad"}, {0x10, 0x111, 0x7}, {0x10, 0x104, 0x5}, {0x100, 0x11, 0x40, "024acba57093f03b2ac45fb008f6c3f30eafdc38b39d9b4612c4dfb76a54e10dddca12fe3eff1a88fed1a2ba8db55586c648964640c9c5910da5a48da3735e167f0d406f7e1fe330c17e4188c4ac5daf3ab6f756550797090f69e9001e15a6dc2f50642d929e36b7a7374eb447acebea032516139df7f63dd8e8c39c311ae67a3f3ac286f59c8dc3f6b2317be7a7dc9bf3050febae26a1ed24fb3dd3a8328435a30eb92ba5cd9c5188bcd5261f89857efc88c7ac1cb52d7e3c65584c4faa46ddb0e8cec229516797696659e36e87f01ac586f468dc707511010e03439f34da92e33199925aa4515efbaecb"}, {0xf0, 0x0, 0xc3, "df0dd6c1d456e2edbff263c14b7a13d02c040dcbcc55deafe0a853f17c68575521dcc361060aa90387ceb0d69c2df34f265e449e963e2ec8923fab45a66ffc802a8c61a75b31569ac58e8fabe99e33adeec5ae1bcd7a9959b5b423aba65d19321ed28590cc75be21d280948f1890a1d697bbeacb75863c4e6c9a2bde266b44e2fc858ef383bad8f101d7f59d649d3dfe60d7d99f400d28b4004490634c0e45fe08a021d1b674a59fa40778fb43535f861edc7663b6ed5a1ba06637020b50b65241bc555b65aa772c52c721763a89eebe765dc26b6c0a846021b89d7fe10987"}, {0x58, 0x116, 0x5, "90e1b4aff1249a75f4a4c3d429ace3a55b0b23929ad53114d0dafb58633998c4fc734fc2128cd587753c757d8adfcaaeb409b7afa78d97109a851f8c924a54349aed0547c50f"}, {0x28, 0x103, 0x4, "8f26999c8d8f361651d0c44225c40d1f52c93a"}, {0x30, 0x107, 0x7fff, "1fb59b8cb5ac6d4c79c69ac45ae13b8944b8feee5117f10a6d4997e441d56b82"}], 0x348}}, {{&(0x7f0000000340)=@sco, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000740)="80ca82e0da1d5b4a643ddc646b5f6afa5630ad116f2d78c81f8be3a566028f6e7c7d2ce48087cb7f52d1d2cb2d292fca1e625a7b20024edebd6f52985bf7902e465f63d40300f8cfb69b2f9deeec0ae9f3a310ad56631756ec388ad780e5fc4e4685079e256bdb61f35f05d7a515e261ce0171fc1e3c403996f1a05d17c58799f0e2967d5c31184969c54e386772829d8db02277ecbe17c0843afcdec8b953c4db95c2cd3426a75f9c", 0xa9}, {&(0x7f0000000800)="f8f52e7900de03fa1a3a6ef920e26e2336845bcc31f3555c9c1368f7c1c02cf632e09512ff9b3fefda5e5f2d654adb3472089b5bd9565319a878128276e706c97d99518692661938911c3197a97b57a96c12e730ab9deeead8f351c5b8cc9dbb1b539b61471608b0a86c5d078f0badd8e496ebcca1b26203ab34bc0774092a175255c83d894af8c63d363bef2bf92fecfd4cfcb45aead7199cf282e36dd600f36ef2b37af9bbe69f226f9a23aedd077480ea7198dc775de89f583a0df351d5c8d5e0bcd6ee8793305325b06bc43f6e4bd5aeb503338475169c", 0xd9}], 0x2, &(0x7f0000000900)=ANY=[@ANYBLOB="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{&(0x7f00000020c0)="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0x1000}, {&(0x7f0000000700)="f39aea1d13fcde83d5b3dd406a02fbe0bd2c3a9aca77b66633f78b27e774e8f920b598b7d932e32577bd1370bac24c891d608401b1", 0x35}], 0x8, &(0x7f0000003140)=[{0xb0, 0x10a, 0x7fffffff, "d6c94770dadf98a597feacf9858e0b0a196855f7d0997b9d6e75408eda715d7bf001c5cefa63ffb46730f6433e0e332bd3e8fbf74dff692fabdaa02db80a60f240ad2716b7c7905620b3b6b96de4f0ab9d9b32e0774d4ef1b25e49b7bc3d2cbeeeb142bd9b6bba2a82b6d054c7ef3d27ee51e49d80b2f0c99e133c91eca22609d69ac3ffdb7fa542c34e64cc8f381270331501dce0c0ad83eb3be80c8d7f5037"}, {0x18, 0x10e, 0x8001, "e9af25eff38d6f"}], 0xc8}}], 0x3, 0x4018) ioctl$SNAPSHOT_S2RAM(r2, 0x330b) 23:22:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x0, {0x29}}, 0x14}}, 0x0) [ 942.853110] nbd: couldn't find device at index -1577385984 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0xe175dee50d6dfc10, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10682, 0x0) (async) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001b00), 0x743428581968efc2, 0x0) ioctl$SNAPSHOT_FREE(r1, 0x3305) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0, {0x100000000}}, './file0\x00'}) (async) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) sendmmsg(r2, &(0x7f0000003240)=[{{&(0x7f0000000080)=@in6={0xa, 0x4e21, 0x1, @local, 0x10001}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000100)="c801b6fc61c7ceddfef9ed38896065346548fc852ae42f1f7bab11e20d1af1328d41eb44cc597a193d5a2675f1c692ed25a66a6c2340fc94cf29ad94f3bef5eff3b66e3bf5541329f7d9d1adc0faa341cdafb58627ce1f8b0df1f443d2ab66d32941a995b4ee1b348259f908261373b651f711b4f3257bd1d4debc538e3828ded03d7e090d5ceb41f3f73f9e9b1fb867ee319db1e48eeb883741aaf8fa910abdc7ed50bb9c88c2fd8bd15e775d3e5d9e67dc5dfe412a71d9a98a8f9c0c0f3808e4a107ec6c25001c", 0xc8}, {&(0x7f0000000200)="0cb542550c2c981da9b3ffef54ce4e33365c2523e45462984a808f23e0bb0c9d3c3056f34eafd50717505d4fd64b4b6b23a955eb0a993f86296068e09bc657498c82e55d1623114cbf086c135ddb03422ab7fc2add083d4374d8f73b893fbab086726de1025ffd968aac741f03d2a9d4510dc941a27ab2c142a2c030432e07b137107771c0cff93bc5f519b4388daf1d7c36bea0c7ee28fcbcbd047f92c1c52569447080783f610042d66f7f7b00a997bfec0e622141af91ec82a7962f9fbbb688e7c0f41754ee5c1383406e8012c0c6f57684b945b2", 0xd6}], 0x2, &(0x7f0000001b80)=[{0x88, 0x115, 0x7, 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{&(0x7f00000020c0)="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0x1000}, {&(0x7f0000000700)="f39aea1d13fcde83d5b3dd406a02fbe0bd2c3a9aca77b66633f78b27e774e8f920b598b7d932e32577bd1370bac24c891d608401b1", 0x35}], 0x8, &(0x7f0000003140)=[{0xb0, 0x10a, 0x7fffffff, "d6c94770dadf98a597feacf9858e0b0a196855f7d0997b9d6e75408eda715d7bf001c5cefa63ffb46730f6433e0e332bd3e8fbf74dff692fabdaa02db80a60f240ad2716b7c7905620b3b6b96de4f0ab9d9b32e0774d4ef1b25e49b7bc3d2cbeeeb142bd9b6bba2a82b6d054c7ef3d27ee51e49d80b2f0c99e133c91eca22609d69ac3ffdb7fa542c34e64cc8f381270331501dce0c0ad83eb3be80c8d7f5037"}, {0x18, 0x10e, 0x8001, "e9af25eff38d6f"}], 0xc8}}], 0x3, 0x4018) ioctl$SNAPSHOT_S2RAM(r2, 0x330b) 23:22:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2, {0x29}}, 0x14}}, 0x0) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x408000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r1, 0x8010671f, &(0x7f0000000080)={&(0x7f0000000040)=""/49, 0x31}) [ 943.043802] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 943.066094] FAULT_INJECTION: forcing a failure. [ 943.066094] name failslab, interval 1, probability 0, space 0, times 0 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0xe175dee50d6dfc10, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0xe175dee50d6dfc10, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 943.090684] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 943.101241] FAT-fs (loop1): FAT read failed (blocknr 32) [ 943.128073] CPU: 0 PID: 5809 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 23:22:48 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0xe175dee50d6dfc10, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:48 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x408000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r1, 0x8010671f, &(0x7f0000000080)={&(0x7f0000000040)=""/49, 0x31}) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x408000, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r1, 0x8010671f, &(0x7f0000000080)={&(0x7f0000000040)=""/49, 0x31}) (async) [ 943.135907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 943.145355] Call Trace: [ 943.147957] dump_stack+0x1fc/0x2ef [ 943.151601] should_fail.cold+0xa/0xf [ 943.155416] ? setup_fault_attr+0x200/0x200 [ 943.159745] ? lock_acquire+0x170/0x3c0 [ 943.163731] __should_failslab+0x115/0x180 [ 943.167971] should_failslab+0x5/0x10 [ 943.171767] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 943.176887] __kmalloc_node+0x38/0x70 [ 943.180677] blk_mq_alloc_tag_set+0x330/0xa30 [ 943.185220] nbd_dev_add+0x297/0x890 [ 943.188932] nbd_genl_connect+0x488/0x1630 [ 943.193159] ? nbd_xmit_timeout+0x730/0x730 [ 943.197469] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 943.202648] ? validate_nla+0x270/0x820 [ 943.206609] ? nla_parse+0x1b2/0x290 [ 943.210308] genl_family_rcv_msg+0x642/0xc40 [ 943.214698] ? genl_rcv+0x40/0x40 [ 943.218131] ? genl_rcv_msg+0x12f/0x160 [ 943.222097] ? mutex_trylock+0x1a0/0x1a0 [ 943.226154] ? __radix_tree_lookup+0x216/0x370 [ 943.230722] genl_rcv_msg+0xbf/0x160 [ 943.234420] netlink_rcv_skb+0x160/0x440 [ 943.238465] ? genl_family_rcv_msg+0xc40/0xc40 [ 943.243057] ? netlink_ack+0xae0/0xae0 [ 943.246946] ? genl_rcv+0x15/0x40 [ 943.250403] genl_rcv+0x24/0x40 [ 943.253665] netlink_unicast+0x4d5/0x690 [ 943.257725] ? netlink_sendskb+0x110/0x110 [ 943.261951] ? _copy_from_iter_full+0x229/0x7c0 [ 943.266711] ? __phys_addr_symbol+0x2c/0x70 [ 943.271032] ? __check_object_size+0x17b/0x3e0 [ 943.275624] netlink_sendmsg+0x6c3/0xc50 [ 943.279697] ? aa_af_perm+0x230/0x230 [ 943.283512] ? nlmsg_notify+0x1f0/0x1f0 [ 943.287856] ? kernel_recvmsg+0x220/0x220 [ 943.292001] ? nlmsg_notify+0x1f0/0x1f0 [ 943.295977] sock_sendmsg+0xc3/0x120 [ 943.299703] ___sys_sendmsg+0x7bb/0x8e0 [ 943.303667] ? check_preemption_disabled+0x41/0x280 [ 943.308677] ? copy_msghdr_from_user+0x440/0x440 [ 943.313417] ? __fget+0x32f/0x510 [ 943.316859] ? lock_downgrade+0x720/0x720 [ 943.320990] ? check_preemption_disabled+0x41/0x280 [ 943.326017] ? check_preemption_disabled+0x41/0x280 [ 943.331056] ? __fget+0x356/0x510 [ 943.334500] ? do_dup2+0x450/0x450 [ 943.338030] ? lock_downgrade+0x720/0x720 [ 943.342166] ? vfs_write+0x3d7/0x540 [ 943.345864] ? __fdget+0x1d0/0x230 [ 943.349401] __x64_sys_sendmsg+0x132/0x220 [ 943.354318] ? __sys_sendmsg+0x1b0/0x1b0 [ 943.358363] ? vfs_write+0x393/0x540 [ 943.362065] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 943.367427] ? trace_hardirqs_off_caller+0x6e/0x210 [ 943.372438] ? do_syscall_64+0x21/0x620 [ 943.376410] do_syscall_64+0xf9/0x620 [ 943.380206] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 943.385383] RIP: 0033:0x7f1dcd3b15a9 [ 943.389115] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 943.408002] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 943.415718] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 943.424294] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 943.431563] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 943.439015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 943.446269] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 8) 23:22:49 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000000a000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:49 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000080000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2000005, 0x50, 0xffffffffffffffff, 0xf61f7000) 23:22:49 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x408000, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r1, 0x8010671f, &(0x7f0000000080)={&(0x7f0000000040)=""/49, 0x31}) 23:22:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x3, {0x29}}, 0x14}}, 0x0) [ 943.564553] nbd: failed to add new device 23:22:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x4, {0x29}}, 0x14}}, 0x0) 23:22:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2000005, 0x50, 0xffffffffffffffff, 0xf61f7000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2000005, 0x50, 0xffffffffffffffff, 0xf61f7000) (async) [ 943.658495] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:49 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x8403, 0x0) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) [ 943.698791] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:49 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000090000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 943.743760] FAT-fs (loop1): FAT read failed (blocknr 32) [ 943.759155] FAULT_INJECTION: forcing a failure. [ 943.759155] name failslab, interval 1, probability 0, space 0, times 0 [ 943.783706] CPU: 1 PID: 5855 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 943.791531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 943.800888] Call Trace: [ 943.803486] dump_stack+0x1fc/0x2ef [ 943.807128] should_fail.cold+0xa/0xf [ 943.810938] ? setup_fault_attr+0x200/0x200 [ 943.815256] ? lock_acquire+0x170/0x3c0 [ 943.819219] __should_failslab+0x115/0x180 [ 943.823452] should_failslab+0x5/0x10 [ 943.827248] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 943.832349] __kmalloc_node+0x38/0x70 [ 943.836141] blk_mq_alloc_tag_set+0x3c2/0xa30 [ 943.840630] nbd_dev_add+0x297/0x890 [ 943.844351] nbd_genl_connect+0x488/0x1630 [ 943.848582] ? nbd_xmit_timeout+0x730/0x730 [ 943.852907] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 943.858099] ? validate_nla+0x270/0x820 [ 943.862074] ? nla_parse+0x1b2/0x290 [ 943.865797] genl_family_rcv_msg+0x642/0xc40 [ 943.870207] ? genl_rcv+0x40/0x40 [ 943.873642] ? genl_rcv_msg+0x12f/0x160 [ 943.877597] ? mutex_trylock+0x1a0/0x1a0 [ 943.881658] ? __radix_tree_lookup+0x216/0x370 [ 943.886238] genl_rcv_msg+0xbf/0x160 [ 943.889936] netlink_rcv_skb+0x160/0x440 [ 943.893989] ? genl_family_rcv_msg+0xc40/0xc40 [ 943.898568] ? netlink_ack+0xae0/0xae0 [ 943.902450] ? genl_rcv+0x15/0x40 [ 943.905921] genl_rcv+0x24/0x40 [ 943.909197] netlink_unicast+0x4d5/0x690 [ 943.913274] ? netlink_sendskb+0x110/0x110 [ 943.917517] ? _copy_from_iter_full+0x229/0x7c0 [ 943.922188] ? __phys_addr_symbol+0x2c/0x70 [ 943.926505] ? __check_object_size+0x17b/0x3e0 [ 943.931089] netlink_sendmsg+0x6c3/0xc50 [ 943.935147] ? aa_af_perm+0x230/0x230 [ 943.938932] ? nlmsg_notify+0x1f0/0x1f0 [ 943.942895] ? kernel_recvmsg+0x220/0x220 [ 943.947041] ? nlmsg_notify+0x1f0/0x1f0 [ 943.951011] sock_sendmsg+0xc3/0x120 [ 943.954719] ___sys_sendmsg+0x7bb/0x8e0 [ 943.958821] ? check_preemption_disabled+0x41/0x280 [ 943.963837] ? copy_msghdr_from_user+0x440/0x440 [ 943.968596] ? __fget+0x32f/0x510 [ 943.972051] ? lock_downgrade+0x720/0x720 [ 943.976208] ? check_preemption_disabled+0x41/0x280 [ 943.981225] ? check_preemption_disabled+0x41/0x280 [ 943.986238] ? __fget+0x356/0x510 [ 943.989675] ? do_dup2+0x450/0x450 [ 943.993210] ? lock_downgrade+0x720/0x720 [ 943.997364] ? vfs_write+0x3d7/0x540 [ 944.001090] ? __fdget+0x1d0/0x230 [ 944.004642] __x64_sys_sendmsg+0x132/0x220 [ 944.008885] ? __sys_sendmsg+0x1b0/0x1b0 [ 944.012939] ? vfs_write+0x393/0x540 [ 944.016651] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 944.022012] ? trace_hardirqs_off_caller+0x6e/0x210 [ 944.027021] ? do_syscall_64+0x21/0x620 [ 944.030990] do_syscall_64+0xf9/0x620 [ 944.034788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.039969] RIP: 0033:0x7f1dcd3b15a9 [ 944.043695] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 944.062601] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 944.070306] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 944.077569] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 944.084922] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 23:22:49 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x8403, 0x0) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) 23:22:49 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2000005, 0x50, 0xffffffffffffffff, 0xf61f7000) [ 944.092193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 944.099473] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 944.120250] nbd: failed to add new device 23:22:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 9) 23:22:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x5, {0x29}}, 0x14}}, 0x0) 23:22:50 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000000c000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:50 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x8403, 0x0) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) 23:22:50 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000140)=ANY=[@ANYBLOB="010099000100000018000000", @ANYRES32=r0, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c653000973d3523a79ef8ee01b5a7f51b994901c6e574c629fa10e47138967ad8d34d99dc14eef6c0"]) ioctl$SNAPSHOT_SET_SWAP_AREA(r1, 0x400c330d, &(0x7f0000000100)={0x4, 0x1000}) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x80001, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000080)) 23:22:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x6, {0x29}}, 0x14}}, 0x0) [ 944.284347] FAULT_INJECTION: forcing a failure. [ 944.284347] name failslab, interval 1, probability 0, space 0, times 0 [ 944.324147] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:50 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x44ce02, 0x0) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(0xffffffffffffffff, 0xf504, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 944.344110] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 944.349035] CPU: 0 PID: 5878 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 944.361643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 944.371004] Call Trace: [ 944.373695] dump_stack+0x1fc/0x2ef [ 944.377343] should_fail.cold+0xa/0xf [ 944.381163] ? setup_fault_attr+0x200/0x200 [ 944.385494] ? lock_acquire+0x170/0x3c0 [ 944.389487] __should_failslab+0x115/0x180 23:22:50 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x44ce02, 0x0) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(0xffffffffffffffff, 0xf504, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x44ce02, 0x0) (async) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(0xffffffffffffffff, 0xf504, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) 23:22:50 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000a0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 944.393734] should_failslab+0x5/0x10 [ 944.397537] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 944.402657] blk_mq_init_tags+0x6a/0x2b0 [ 944.406733] blk_mq_alloc_rq_map+0x9d/0x230 [ 944.411069] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 944.416257] blk_mq_alloc_tag_set+0x589/0xa30 [ 944.416283] nbd_dev_add+0x297/0x890 [ 944.416302] nbd_genl_connect+0x488/0x1630 [ 944.416323] ? nbd_xmit_timeout+0x730/0x730 [ 944.416341] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 944.416358] ? validate_nla+0x270/0x820 [ 944.416378] ? nla_parse+0x1b2/0x290 [ 944.416397] genl_family_rcv_msg+0x642/0xc40 [ 944.416416] ? genl_rcv+0x40/0x40 [ 944.416428] ? genl_rcv_msg+0x12f/0x160 [ 944.416442] ? mutex_trylock+0x1a0/0x1a0 [ 944.416466] ? __radix_tree_lookup+0x216/0x370 [ 944.416487] genl_rcv_msg+0xbf/0x160 [ 944.416502] netlink_rcv_skb+0x160/0x440 23:22:50 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x44ce02, 0x0) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(0xffffffffffffffff, 0xf504, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 944.416517] ? genl_family_rcv_msg+0xc40/0xc40 [ 944.416532] ? netlink_ack+0xae0/0xae0 [ 944.416548] ? genl_rcv+0x15/0x40 [ 944.416569] genl_rcv+0x24/0x40 [ 944.416581] netlink_unicast+0x4d5/0x690 [ 944.416598] ? netlink_sendskb+0x110/0x110 [ 944.416610] ? _copy_from_iter_full+0x229/0x7c0 [ 944.416625] ? __phys_addr_symbol+0x2c/0x70 [ 944.416641] ? __check_object_size+0x17b/0x3e0 [ 944.416657] netlink_sendmsg+0x6c3/0xc50 [ 944.416672] ? aa_af_perm+0x230/0x230 [ 944.416683] ? nlmsg_notify+0x1f0/0x1f0 23:22:50 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000140)=ANY=[@ANYBLOB="010099000100000018000000", @ANYRES32=r0, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c653000973d3523a79ef8ee01b5a7f51b994901c6e574c629fa10e47138967ad8d34d99dc14eef6c0"]) ioctl$SNAPSHOT_SET_SWAP_AREA(r1, 0x400c330d, &(0x7f0000000100)={0x4, 0x1000}) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x80001, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000080)) [ 944.416694] ? kernel_recvmsg+0x220/0x220 [ 944.416715] ? nlmsg_notify+0x1f0/0x1f0 [ 944.416732] sock_sendmsg+0xc3/0x120 [ 944.416746] ___sys_sendmsg+0x7bb/0x8e0 [ 944.416763] ? check_preemption_disabled+0x41/0x280 [ 944.416775] ? copy_msghdr_from_user+0x440/0x440 [ 944.416791] ? __fget+0x32f/0x510 [ 944.416809] ? lock_downgrade+0x720/0x720 [ 944.416822] ? check_preemption_disabled+0x41/0x280 [ 944.416838] ? check_preemption_disabled+0x41/0x280 [ 944.416855] ? __fget+0x356/0x510 [ 944.416870] ? do_dup2+0x450/0x450 [ 944.416884] ? lock_downgrade+0x720/0x720 [ 944.416898] ? vfs_write+0x3d7/0x540 [ 944.416914] ? __fdget+0x1d0/0x230 [ 944.416932] __x64_sys_sendmsg+0x132/0x220 [ 944.416952] ? __sys_sendmsg+0x1b0/0x1b0 [ 944.416964] ? vfs_write+0x393/0x540 [ 944.416988] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 944.417003] ? trace_hardirqs_off_caller+0x6e/0x210 [ 944.417019] ? do_syscall_64+0x21/0x620 [ 944.417036] do_syscall_64+0xf9/0x620 [ 944.417054] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 944.417066] RIP: 0033:0x7f1dcd3b15a9 [ 944.417079] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 944.417087] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 944.417100] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 944.417108] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:22:50 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async, rerun: 64) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000140)=ANY=[@ANYBLOB="010099000100000018000000", @ANYRES32=r0, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="2e2f66696c653000973d3523a79ef8ee01b5a7f51b994901c6e574c629fa10e47138967ad8d34d99dc14eef6c0"]) (async, rerun: 64) ioctl$SNAPSHOT_SET_SWAP_AREA(r1, 0x400c330d, &(0x7f0000000100)={0x4, 0x1000}) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040), 0x80001, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r2, 0x80083314, &(0x7f0000000080)) 23:22:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 10) 23:22:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x7, {0x29}}, 0x14}}, 0x0) [ 944.417115] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 944.417122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 944.417129] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 944.433230] FAT-fs (loop1): FAT read failed (blocknr 32) [ 944.444457] blk-mq: reduced tag depth (128 -> 64) [ 944.450426] nbd: couldn't find device at index -1577385984 23:22:50 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000000e000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:50 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000c0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 944.809854] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:50 executing program 0: setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(0xffffffffffffffff, 0x330f, 0x4) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x8, {0x29}}, 0x14}}, 0x0) [ 944.903289] FAULT_INJECTION: forcing a failure. [ 944.903289] name failslab, interval 1, probability 0, space 0, times 0 [ 944.924859] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 944.933871] FAT-fs (loop1): FAT read failed (blocknr 32) [ 944.939760] CPU: 1 PID: 5929 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 944.947571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 944.956934] Call Trace: [ 944.959536] dump_stack+0x1fc/0x2ef [ 944.963177] should_fail.cold+0xa/0xf [ 944.966996] ? setup_fault_attr+0x200/0x200 [ 944.971330] ? lock_acquire+0x170/0x3c0 [ 944.975321] __should_failslab+0x115/0x180 [ 944.979567] should_failslab+0x5/0x10 [ 944.983375] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 944.988493] __kmalloc_node+0x38/0x70 [ 944.992303] sbitmap_init_node+0x123/0x440 [ 944.996551] sbitmap_queue_init_node+0x37/0x6c0 [ 945.001227] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 945.006266] blk_mq_init_tags+0x10d/0x2b0 [ 945.010435] blk_mq_alloc_rq_map+0x9d/0x230 [ 945.014770] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 945.019281] blk_mq_alloc_tag_set+0x589/0xa30 [ 945.023794] nbd_dev_add+0x297/0x890 [ 945.027520] nbd_genl_connect+0x488/0x1630 [ 945.031769] ? nbd_xmit_timeout+0x730/0x730 [ 945.036104] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 945.041307] ? validate_nla+0x270/0x820 [ 945.045288] ? nla_parse+0x1b2/0x290 [ 945.049014] genl_family_rcv_msg+0x642/0xc40 23:22:50 executing program 0: setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0) (async) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(0xffffffffffffffff, 0x330f, 0x4) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:50 executing program 0: setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(0xffffffffffffffff, 0x330f, 0x4) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(0xffffffffffffffff, 0x330f, 0x4) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 945.053435] ? genl_rcv+0x40/0x40 [ 945.056900] ? genl_rcv_msg+0x12f/0x160 [ 945.060891] ? mutex_trylock+0x1a0/0x1a0 [ 945.064973] ? __radix_tree_lookup+0x216/0x370 [ 945.069573] genl_rcv_msg+0xbf/0x160 [ 945.073306] netlink_rcv_skb+0x160/0x440 [ 945.077385] ? genl_family_rcv_msg+0xc40/0xc40 [ 945.081983] ? netlink_ack+0xae0/0xae0 [ 945.085879] ? genl_rcv+0x15/0x40 [ 945.089347] genl_rcv+0x24/0x40 [ 945.092635] netlink_unicast+0x4d5/0x690 [ 945.096708] ? netlink_sendskb+0x110/0x110 [ 945.100954] ? _copy_from_iter_full+0x229/0x7c0 [ 945.105647] ? __phys_addr_symbol+0x2c/0x70 [ 945.109985] ? __check_object_size+0x17b/0x3e0 [ 945.115363] netlink_sendmsg+0x6c3/0xc50 [ 945.119438] ? aa_af_perm+0x230/0x230 [ 945.123249] ? nlmsg_notify+0x1f0/0x1f0 [ 945.127227] ? kernel_recvmsg+0x220/0x220 [ 945.131391] ? nlmsg_notify+0x1f0/0x1f0 [ 945.135377] sock_sendmsg+0xc3/0x120 [ 945.139100] ___sys_sendmsg+0x7bb/0x8e0 [ 945.143088] ? check_preemption_disabled+0x41/0x280 [ 945.148109] ? copy_msghdr_from_user+0x440/0x440 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x90282, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 945.152877] ? __fget+0x32f/0x510 [ 945.156350] ? lock_downgrade+0x720/0x720 [ 945.160509] ? check_preemption_disabled+0x41/0x280 [ 945.165545] ? check_preemption_disabled+0x41/0x280 [ 945.170571] ? __fget+0x356/0x510 [ 945.174041] ? do_dup2+0x450/0x450 [ 945.177590] ? lock_downgrade+0x720/0x720 [ 945.181744] ? vfs_write+0x3d7/0x540 [ 945.185465] ? __fdget+0x1d0/0x230 [ 945.189019] __x64_sys_sendmsg+0x132/0x220 [ 945.193270] ? __sys_sendmsg+0x1b0/0x1b0 [ 945.197333] ? vfs_write+0x393/0x540 [ 945.201070] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 945.206442] ? trace_hardirqs_off_caller+0x6e/0x210 [ 945.211475] ? do_syscall_64+0x21/0x620 [ 945.215463] do_syscall_64+0xf9/0x620 [ 945.219276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 945.224476] RIP: 0033:0x7f1dcd3b15a9 [ 945.228194] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 945.247091] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x90282, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:51 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x3ff}}, './file0\x00'}) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) r4 = dup2(r3, r0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304) ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304) [ 945.254789] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 945.262053] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 945.269317] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 945.276835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 945.284098] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:51 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000020000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 945.307434] blk-mq: reduced tag depth (128 -> 64) [ 945.354513] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 945.376924] nbd: couldn't find device at index -1577385984 23:22:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 11) 23:22:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x9, {0x29}}, 0x14}}, 0x0) 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x90282, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x90282, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:22:51 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000e0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 945.418878] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 945.462490] FAT-fs (loop1): FAT read failed (blocknr 32) [ 945.491454] FAULT_INJECTION: forcing a failure. [ 945.491454] name failslab, interval 1, probability 0, space 0, times 0 [ 945.503834] CPU: 1 PID: 5970 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040), 0x200100, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000080)) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0)={0xffffffffffffffff}, 0x4) ioctl$FS_IOC_FSGETXATTR(r2, 0x801c581f, &(0x7f0000000100)={0x0, 0x4, 0x3f, 0x5, 0x6}) r3 = accept4$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000180)=0x14, 0x80800) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r3, 0x80089419, &(0x7f00000001c0)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) r4 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r4, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) r5 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r5, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) sendfile(r4, r5, 0x0, 0xffffffffffffffed) [ 945.511656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 945.521022] Call Trace: [ 945.523635] dump_stack+0x1fc/0x2ef [ 945.527294] should_fail.cold+0xa/0xf [ 945.531126] ? setup_fault_attr+0x200/0x200 [ 945.535553] ? lock_acquire+0x170/0x3c0 [ 945.539634] __should_failslab+0x115/0x180 [ 945.543897] should_failslab+0x5/0x10 [ 945.547710] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 945.552834] sbitmap_queue_init_node+0x240/0x6c0 [ 945.557611] blk_mq_init_tags+0x10d/0x2b0 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040), 0x200100, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000080)) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0)={0xffffffffffffffff}, 0x4) ioctl$FS_IOC_FSGETXATTR(r2, 0x801c581f, &(0x7f0000000100)={0x0, 0x4, 0x3f, 0x5, 0x6}) r3 = accept4$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000180)=0x14, 0x80800) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r3, 0x80089419, &(0x7f00000001c0)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) r4 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r4, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) r5 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r5, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) sendfile(r4, r5, 0x0, 0xffffffffffffffed) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040), 0x200100, 0x0) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000080)) (async) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0)={0xffffffffffffffff}, 0x4) (async) ioctl$FS_IOC_FSGETXATTR(r2, 0x801c581f, &(0x7f0000000100)={0x0, 0x4, 0x3f, 0x5, 0x6}) (async) accept4$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000180)=0x14, 0x80800) (async) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r3, 0x80089419, &(0x7f00000001c0)) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r4, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r5, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) sendfile(r4, r5, 0x0, 0xffffffffffffffed) (async) [ 945.561780] blk_mq_alloc_rq_map+0x9d/0x230 [ 945.566124] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 945.570635] blk_mq_alloc_tag_set+0x589/0xa30 [ 945.575170] nbd_dev_add+0x297/0x890 [ 945.578907] nbd_genl_connect+0x488/0x1630 [ 945.583170] ? nbd_xmit_timeout+0x730/0x730 [ 945.587510] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 945.592722] ? validate_nla+0x270/0x820 [ 945.596715] ? nla_parse+0x1b2/0x290 [ 945.600452] genl_family_rcv_msg+0x642/0xc40 [ 945.604877] ? genl_rcv+0x40/0x40 [ 945.608336] ? genl_rcv_msg+0x12f/0x160 23:22:51 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040), 0x200100, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r1, 0x8008330e, &(0x7f0000000080)) (async) r2 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0)={0xffffffffffffffff}, 0x4) ioctl$FS_IOC_FSGETXATTR(r2, 0x801c581f, &(0x7f0000000100)={0x0, 0x4, 0x3f, 0x5, 0x6}) r3 = accept4$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000180)=0x14, 0x80800) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r3, 0x80089419, &(0x7f00000001c0)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) (async) r4 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r4, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) r5 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r5, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) sendfile(r4, r5, 0x0, 0xffffffffffffffed) [ 945.612410] ? mutex_trylock+0x1a0/0x1a0 [ 945.616494] ? __radix_tree_lookup+0x216/0x370 [ 945.621101] genl_rcv_msg+0xbf/0x160 [ 945.624830] netlink_rcv_skb+0x160/0x440 [ 945.628901] ? genl_family_rcv_msg+0xc40/0xc40 [ 945.633499] ? netlink_ack+0xae0/0xae0 [ 945.637401] ? genl_rcv+0x15/0x40 [ 945.640874] genl_rcv+0x24/0x40 [ 945.644164] netlink_unicast+0x4d5/0x690 [ 945.648244] ? netlink_sendskb+0x110/0x110 [ 945.652492] ? _copy_from_iter_full+0x229/0x7c0 [ 945.657178] ? __phys_addr_symbol+0x2c/0x70 [ 945.661512] ? __check_object_size+0x17b/0x3e0 [ 945.666106] netlink_sendmsg+0x6c3/0xc50 [ 945.670181] ? aa_af_perm+0x230/0x230 [ 945.674002] ? nlmsg_notify+0x1f0/0x1f0 [ 945.677987] ? kernel_recvmsg+0x220/0x220 [ 945.682162] ? nlmsg_notify+0x1f0/0x1f0 [ 945.686143] sock_sendmsg+0xc3/0x120 [ 945.689861] ___sys_sendmsg+0x7bb/0x8e0 [ 945.693848] ? check_preemption_disabled+0x41/0x280 [ 945.698877] ? copy_msghdr_from_user+0x440/0x440 [ 945.703648] ? __fget+0x32f/0x510 [ 945.707123] ? lock_downgrade+0x720/0x720 23:22:51 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x210500, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) r4 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r5 = dup(r4) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), r0) sendmsg$NL80211_CMD_LEAVE_OCB(r3, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r6, 0x2, 0x70bd2a, 0x25dfdbfe, {{}, {@void, @void}}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x400c0) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), r5) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="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"], 0x28}}, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f0000000140)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="100028bd704d16df2d01f1ffddffffffff0041000000000000000049c74500ff756470000000"], 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x4040) r8 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r8, 0x80083313, &(0x7f0000000000)) [ 945.711282] ? check_preemption_disabled+0x41/0x280 [ 945.716317] ? check_preemption_disabled+0x41/0x280 [ 945.721352] ? __fget+0x356/0x510 [ 945.724820] ? do_dup2+0x450/0x450 [ 945.728369] ? lock_downgrade+0x720/0x720 [ 945.732535] ? vfs_write+0x3d7/0x540 [ 945.736268] ? __fdget+0x1d0/0x230 [ 945.739825] __x64_sys_sendmsg+0x132/0x220 [ 945.744067] ? __sys_sendmsg+0x1b0/0x1b0 [ 945.748136] ? vfs_write+0x393/0x540 [ 945.751882] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 945.757251] ? trace_hardirqs_off_caller+0x6e/0x210 [ 945.762266] ? do_syscall_64+0x21/0x620 [ 945.766238] do_syscall_64+0xf9/0x620 [ 945.770031] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 945.775233] RIP: 0033:0x7f1dcd3b15a9 [ 945.778945] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 945.797850] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 945.805556] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:51 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x3ff}}, './file0\x00'}) (async) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) r4 = dup2(r3, r0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304) ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304) [ 945.812839] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 945.820109] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 945.827367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 945.834650] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:51 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000023000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 945.871730] blk-mq: reduced tag depth (128 -> 64) 23:22:51 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000000)={{0x1, 0x1, 0x18, r0, {0x3ff}}, './file0\x00'}) (async, rerun: 64) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (rerun: 64) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async, rerun: 32) r4 = dup2(r3, r0) (rerun: 32) ioctl$SNAPSHOT_ATOMIC_RESTORE(r1, 0x3304) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r4, 0x3304) 23:22:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xa, {0x29}}, 0x14}}, 0x0) [ 945.926638] nbd: couldn't find device at index -1577385984 23:22:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 12) 23:22:51 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x210500, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) r4 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r5 = dup(r4) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), r0) sendmsg$NL80211_CMD_LEAVE_OCB(r3, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r6, 0x2, 0x70bd2a, 0x25dfdbfe, {{}, {@void, @void}}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x400c0) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), r5) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="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"], 0x28}}, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f0000000140)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="100028bd704d16df2d01f1ffddffffffff0041000000000000000049c74500ff756470000000"], 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x4040) r8 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r8, 0x80083313, &(0x7f0000000000)) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x210500, 0x0) (async) socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r2) (async) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r4) (async) syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), r0) (async) sendmsg$NL80211_CMD_LEAVE_OCB(r3, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r6, 0x2, 0x70bd2a, 0x25dfdbfe, {{}, {@void, @void}}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x400c0) (async) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) (async) syz_genetlink_get_family_id$tipc(&(0x7f0000000080), r5) (async) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="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"], 0x28}}, 0x0) (async) sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f0000000140)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="100028bd704d16df2d01f1ffddffffffff0041000000000000000049c74500ff756470000000"], 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x4040) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r8, 0x80083313, &(0x7f0000000000)) (async) [ 946.008221] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 946.036332] FAT-fs (loop1): FAT read failed (blocknr 32) [ 946.048258] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 946.082225] FAULT_INJECTION: forcing a failure. [ 946.082225] name failslab, interval 1, probability 0, space 0, times 0 [ 946.094931] CPU: 0 PID: 6022 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 946.102755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 946.112104] Call Trace: [ 946.114692] dump_stack+0x1fc/0x2ef [ 946.118317] should_fail.cold+0xa/0xf [ 946.122108] ? setup_fault_attr+0x200/0x200 [ 946.126420] ? lock_acquire+0x170/0x3c0 [ 946.130391] __should_failslab+0x115/0x180 [ 946.134620] should_failslab+0x5/0x10 [ 946.138412] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 946.143508] sbitmap_queue_init_node+0x240/0x6c0 [ 946.148266] blk_mq_init_tags+0x16f/0x2b0 [ 946.152416] blk_mq_alloc_rq_map+0x9d/0x230 [ 946.156736] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 946.161225] blk_mq_alloc_tag_set+0x589/0xa30 [ 946.165717] nbd_dev_add+0x297/0x890 [ 946.169424] nbd_genl_connect+0x488/0x1630 [ 946.173652] ? nbd_xmit_timeout+0x730/0x730 [ 946.177966] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 946.183148] ? validate_nla+0x270/0x820 [ 946.187116] ? nla_parse+0x1b2/0x290 [ 946.190826] genl_family_rcv_msg+0x642/0xc40 [ 946.195337] ? genl_rcv+0x40/0x40 [ 946.198816] ? genl_rcv_msg+0x12f/0x160 [ 946.202781] ? mutex_trylock+0x1a0/0x1a0 [ 946.206841] ? __radix_tree_lookup+0x216/0x370 [ 946.211422] genl_rcv_msg+0xbf/0x160 [ 946.215133] netlink_rcv_skb+0x160/0x440 [ 946.219198] ? genl_family_rcv_msg+0xc40/0xc40 [ 946.223781] ? netlink_ack+0xae0/0xae0 [ 946.227661] ? genl_rcv+0x15/0x40 [ 946.231107] genl_rcv+0x24/0x40 [ 946.234379] netlink_unicast+0x4d5/0x690 [ 946.238431] ? netlink_sendskb+0x110/0x110 [ 946.242653] ? _copy_from_iter_full+0x229/0x7c0 [ 946.247402] ? __phys_addr_symbol+0x2c/0x70 [ 946.251717] ? __check_object_size+0x17b/0x3e0 [ 946.256292] netlink_sendmsg+0x6c3/0xc50 [ 946.260341] ? aa_af_perm+0x230/0x230 [ 946.264132] ? nlmsg_notify+0x1f0/0x1f0 [ 946.268093] ? kernel_recvmsg+0x220/0x220 [ 946.272250] ? nlmsg_notify+0x1f0/0x1f0 [ 946.276239] sock_sendmsg+0xc3/0x120 [ 946.280049] ___sys_sendmsg+0x7bb/0x8e0 [ 946.284028] ? check_preemption_disabled+0x41/0x280 [ 946.289029] ? copy_msghdr_from_user+0x440/0x440 [ 946.293777] ? __fget+0x32f/0x510 [ 946.297224] ? lock_downgrade+0x720/0x720 [ 946.301361] ? check_preemption_disabled+0x41/0x280 [ 946.306368] ? check_preemption_disabled+0x41/0x280 [ 946.311374] ? __fget+0x356/0x510 [ 946.314818] ? do_dup2+0x450/0x450 [ 946.318344] ? lock_downgrade+0x720/0x720 [ 946.322484] ? vfs_write+0x3d7/0x540 [ 946.326188] ? __fdget+0x1d0/0x230 [ 946.329742] __x64_sys_sendmsg+0x132/0x220 [ 946.333979] ? __sys_sendmsg+0x1b0/0x1b0 [ 946.338037] ? vfs_write+0x393/0x540 [ 946.341751] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 946.347105] ? trace_hardirqs_off_caller+0x6e/0x210 [ 946.352200] ? do_syscall_64+0x21/0x620 [ 946.356175] do_syscall_64+0xf9/0x620 [ 946.360059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 946.365232] RIP: 0033:0x7f1dcd3b15a9 23:22:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xb, {0x29}}, 0x14}}, 0x0) [ 946.368938] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 946.387913] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 946.395614] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 946.402868] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 946.410127] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 946.417382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 946.424641] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:52 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000100000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:52 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000003f000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 946.488334] blk-mq: reduced tag depth (128 -> 64) 23:22:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xc, {0x29}}, 0x14}}, 0x0) [ 946.509603] nbd: couldn't find device at index -1577385984 23:22:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 13) 23:22:52 executing program 0: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x210500, 0x0) (async) r1 = socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) r4 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r5 = dup(r4) (async) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), r0) sendmsg$NL80211_CMD_LEAVE_OCB(r3, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x14, r6, 0x2, 0x70bd2a, 0x25dfdbfe, {{}, {@void, @void}}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x400c0) (async) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) (async) r7 = syz_genetlink_get_family_id$tipc(&(0x7f0000000080), r5) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="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"], 0x28}}, 0x0) (async) sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f0000000140)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="100028bd704d16df2d01f1ffddffffffff0041000000000000000049c74500ff756470000000"], 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x4040) (async) r8 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r8, 0x80083313, &(0x7f0000000000)) [ 946.627529] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:52 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000220000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xd, {0x29}}, 0x14}}, 0x0) [ 946.682966] FAULT_INJECTION: forcing a failure. [ 946.682966] name failslab, interval 1, probability 0, space 0, times 0 [ 946.695032] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 946.729261] FAT-fs (loop1): FAT read failed (blocknr 32) [ 946.740835] CPU: 0 PID: 6059 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 946.748657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 946.758024] Call Trace: [ 946.760633] dump_stack+0x1fc/0x2ef [ 946.764275] should_fail.cold+0xa/0xf [ 946.768861] ? setup_fault_attr+0x200/0x200 [ 946.773195] ? __lockdep_init_map+0x100/0x5a0 [ 946.777709] __should_failslab+0x115/0x180 [ 946.781960] should_failslab+0x5/0x10 [ 946.785774] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 946.790895] __kmalloc_node+0x38/0x70 [ 946.794702] blk_mq_alloc_rq_map+0xdf/0x230 [ 946.799012] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 946.804371] blk_mq_alloc_tag_set+0x589/0xa30 [ 946.808881] nbd_dev_add+0x297/0x890 [ 946.812683] nbd_genl_connect+0x488/0x1630 [ 946.816921] ? nbd_xmit_timeout+0x730/0x730 [ 946.821240] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 946.826416] ? validate_nla+0x270/0x820 [ 946.830389] ? nla_parse+0x1b2/0x290 [ 946.834106] genl_family_rcv_msg+0x642/0xc40 [ 946.838520] ? genl_rcv+0x40/0x40 [ 946.841963] ? genl_rcv_msg+0x12f/0x160 [ 946.845920] ? mutex_trylock+0x1a0/0x1a0 [ 946.849971] ? __radix_tree_lookup+0x216/0x370 [ 946.854542] genl_rcv_msg+0xbf/0x160 [ 946.858252] netlink_rcv_skb+0x160/0x440 [ 946.862307] ? genl_family_rcv_msg+0xc40/0xc40 [ 946.866880] ? netlink_ack+0xae0/0xae0 [ 946.870769] ? genl_rcv+0x15/0x40 [ 946.874223] genl_rcv+0x24/0x40 [ 946.877490] netlink_unicast+0x4d5/0x690 [ 946.881541] ? netlink_sendskb+0x110/0x110 [ 946.885769] ? _copy_from_iter_full+0x229/0x7c0 [ 946.890427] ? __phys_addr_symbol+0x2c/0x70 [ 946.894749] ? __check_object_size+0x17b/0x3e0 [ 946.899318] netlink_sendmsg+0x6c3/0xc50 [ 946.903383] ? aa_af_perm+0x230/0x230 [ 946.907196] ? nlmsg_notify+0x1f0/0x1f0 [ 946.911164] ? kernel_recvmsg+0x220/0x220 [ 946.915400] ? nlmsg_notify+0x1f0/0x1f0 [ 946.919379] sock_sendmsg+0xc3/0x120 [ 946.923098] ___sys_sendmsg+0x7bb/0x8e0 [ 946.927074] ? check_preemption_disabled+0x41/0x280 [ 946.932776] ? copy_msghdr_from_user+0x440/0x440 [ 946.937531] ? __fget+0x32f/0x510 [ 946.941004] ? lock_downgrade+0x720/0x720 [ 946.945140] ? check_preemption_disabled+0x41/0x280 [ 946.950144] ? check_preemption_disabled+0x41/0x280 [ 946.955158] ? __fget+0x356/0x510 [ 946.958617] ? do_dup2+0x450/0x450 [ 946.962145] ? lock_downgrade+0x720/0x720 [ 946.966379] ? vfs_write+0x3d7/0x540 [ 946.970094] ? __fdget+0x1d0/0x230 [ 946.973626] __x64_sys_sendmsg+0x132/0x220 [ 946.977846] ? __sys_sendmsg+0x1b0/0x1b0 [ 946.981901] ? vfs_write+0x393/0x540 [ 946.985613] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 946.990967] ? trace_hardirqs_off_caller+0x6e/0x210 [ 946.995971] ? do_syscall_64+0x21/0x620 [ 946.999951] do_syscall_64+0xf9/0x620 [ 947.003749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 947.008923] RIP: 0033:0x7f1dcd3b15a9 23:22:52 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x88002, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) write$snapshot(r0, &(0x7f0000000440)="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", 0x1000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x331000, 0x0) [ 947.012621] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 947.031512] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 947.039219] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 947.046482] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 947.053747] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 947.061000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 947.068252] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xe, {0x29}}, 0x14}}, 0x0) [ 947.094570] blk-mq: reduced tag depth (128 -> 64) [ 947.107133] nbd: couldn't find device at index -1577385984 23:22:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 14) 23:22:53 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000040000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:53 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x214842, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 947.164593] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:53 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000230000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:53 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x88002, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) write$snapshot(r0, &(0x7f0000000440)="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", 0x1000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x331000, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x88002, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) write$snapshot(r0, &(0x7f0000000440)="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", 0x1000) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x331000, 0x0) (async) 23:22:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xf, {0x29}}, 0x14}}, 0x0) 23:22:53 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x214842, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x214842, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 947.348892] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 947.361598] FAULT_INJECTION: forcing a failure. [ 947.361598] name failslab, interval 1, probability 0, space 0, times 0 [ 947.382093] FAT-fs (loop1): FAT read failed (blocknr 32) [ 947.394086] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 947.400557] CPU: 1 PID: 6100 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 947.411626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 947.420984] Call Trace: [ 947.423719] dump_stack+0x1fc/0x2ef [ 947.427363] should_fail.cold+0xa/0xf [ 947.431352] ? setup_fault_attr+0x200/0x200 [ 947.435681] ? lock_acquire+0x170/0x3c0 [ 947.439663] __should_failslab+0x115/0x180 [ 947.443905] should_failslab+0x5/0x10 [ 947.447706] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 947.452820] sbitmap_queue_init_node+0x240/0x6c0 [ 947.457594] blk_mq_init_tags+0x16f/0x2b0 [ 947.461754] blk_mq_alloc_rq_map+0x9d/0x230 [ 947.466092] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 947.470598] blk_mq_alloc_tag_set+0x589/0xa30 [ 947.475113] nbd_dev_add+0x297/0x890 [ 947.478833] nbd_genl_connect+0x488/0x1630 [ 947.483089] ? nbd_xmit_timeout+0x730/0x730 [ 947.487542] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 947.492741] ? validate_nla+0x270/0x820 [ 947.496727] ? nla_parse+0x1b2/0x290 [ 947.500456] genl_family_rcv_msg+0x642/0xc40 [ 947.504895] ? genl_rcv+0x40/0x40 [ 947.508348] ? genl_rcv_msg+0x12f/0x160 [ 947.512327] ? mutex_trylock+0x1a0/0x1a0 [ 947.516405] ? __radix_tree_lookup+0x216/0x370 [ 947.521007] genl_rcv_msg+0xbf/0x160 [ 947.524735] netlink_rcv_skb+0x160/0x440 [ 947.528807] ? genl_family_rcv_msg+0xc40/0xc40 [ 947.533400] ? netlink_ack+0xae0/0xae0 [ 947.537298] ? genl_rcv+0x15/0x40 [ 947.540767] genl_rcv+0x24/0x40 [ 947.544051] netlink_unicast+0x4d5/0x690 [ 947.548121] ? netlink_sendskb+0x110/0x110 [ 947.552358] ? _copy_from_iter_full+0x229/0x7c0 [ 947.557038] ? __phys_addr_symbol+0x2c/0x70 [ 947.561366] ? __check_object_size+0x17b/0x3e0 [ 947.565975] netlink_sendmsg+0x6c3/0xc50 [ 947.570049] ? aa_af_perm+0x230/0x230 [ 947.573859] ? nlmsg_notify+0x1f0/0x1f0 [ 947.577841] ? kernel_recvmsg+0x220/0x220 [ 947.582005] ? nlmsg_notify+0x1f0/0x1f0 [ 947.585990] sock_sendmsg+0xc3/0x120 [ 947.589714] ___sys_sendmsg+0x7bb/0x8e0 [ 947.593711] ? check_preemption_disabled+0x41/0x280 23:22:53 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x88002, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) write$snapshot(r0, &(0x7f0000000440)="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", 0x1000) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x331000, 0x0) 23:22:53 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x214842, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x214842, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 947.598744] ? copy_msghdr_from_user+0x440/0x440 [ 947.603537] ? __fget+0x32f/0x510 [ 947.607024] ? lock_downgrade+0x720/0x720 [ 947.611200] ? check_preemption_disabled+0x41/0x280 [ 947.616239] ? check_preemption_disabled+0x41/0x280 [ 947.621272] ? __fget+0x356/0x510 [ 947.624731] ? do_dup2+0x450/0x450 [ 947.628275] ? lock_downgrade+0x720/0x720 [ 947.632436] ? vfs_write+0x3d7/0x540 [ 947.636180] ? __fdget+0x1d0/0x230 [ 947.639734] __x64_sys_sendmsg+0x132/0x220 [ 947.644774] ? __sys_sendmsg+0x1b0/0x1b0 23:22:53 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000040)={@empty, @remote}, 0x8) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r3, 0x3309) r4 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x99]}, 0x8, 0x0) ioctl$SNAPSHOT_UNFREEZE(r4, 0x3302) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) r5 = accept4$ax25(r3, &(0x7f00000000c0)={{0x3, @default}, [@default, @default, @remote, @remote, @remote, @bcast, @remote, @rose]}, &(0x7f0000000140)=0x48, 0x800) fcntl$notify(r5, 0x402, 0x80000006) [ 947.648844] ? vfs_write+0x393/0x540 [ 947.652675] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 947.658066] ? trace_hardirqs_off_caller+0x6e/0x210 [ 947.663098] ? do_syscall_64+0x21/0x620 [ 947.667087] do_syscall_64+0xf9/0x620 [ 947.670907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 947.676964] RIP: 0033:0x7f1dcd3b15a9 [ 947.680702] 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 b8 ff ff ff f7 d8 64 89 01 48 23:22:53 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000040)={@empty, @remote}, 0x8) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r3, 0x3309) (async) r4 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x99]}, 0x8, 0x0) ioctl$SNAPSHOT_UNFREEZE(r4, 0x3302) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (async) r5 = accept4$ax25(r3, &(0x7f00000000c0)={{0x3, @default}, [@default, @default, @remote, @remote, @remote, @bcast, @remote, @rose]}, &(0x7f0000000140)=0x48, 0x800) fcntl$notify(r5, 0x402, 0x80000006) [ 947.699611] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 947.707327] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 947.714627] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 947.721904] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 947.729182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 947.736461] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 947.753610] blk-mq: reduced tag depth (128 -> 64) 23:22:53 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000480000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 947.775332] nbd: couldn't find device at index -1577385984 23:22:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 15) 23:22:53 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000048000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x10, {0x29}}, 0x14}}, 0x0) 23:22:53 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) r2 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r2, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000100)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e23, @loopback}, 0x4, 0x1, 0x1}}, 0x26) ioctl$FS_IOC_READ_VERITY_METADATA(r1, 0xc0286687, &(0x7f00000000c0)={0x2, 0x65, 0xb9, &(0x7f0000000000)=""/185}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x11, {0x29}}, 0x14}}, 0x0) 23:22:53 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000040)={@empty, @remote}, 0x8) (async) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r3, 0x3309) r4 = signalfd4(0xffffffffffffffff, &(0x7f0000000080)={[0x99]}, 0x8, 0x0) ioctl$SNAPSHOT_UNFREEZE(r4, 0x3302) (async, rerun: 32) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (rerun: 32) r5 = accept4$ax25(r3, &(0x7f00000000c0)={{0x3, @default}, [@default, @default, @remote, @remote, @remote, @bcast, @remote, @rose]}, &(0x7f0000000140)=0x48, 0x800) fcntl$notify(r5, 0x402, 0x80000006) 23:22:53 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) r2 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r2, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) connect$pppl2tp(r2, &(0x7f0000000100)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e23, @loopback}, 0x4, 0x1, 0x1}}, 0x26) ioctl$FS_IOC_READ_VERITY_METADATA(r1, 0xc0286687, &(0x7f00000000c0)={0x2, 0x65, 0xb9, &(0x7f0000000000)=""/185}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) socket$bt_rfcomm(0x1f, 0x3, 0x3) (async) open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (async) openat$cgroup_procs(r2, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) connect$pppl2tp(r2, &(0x7f0000000100)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e23, @loopback}, 0x4, 0x1, 0x1}}, 0x26) (async) ioctl$FS_IOC_READ_VERITY_METADATA(r1, 0xc0286687, &(0x7f00000000c0)={0x2, 0x65, 0xb9, &(0x7f0000000000)=""/185}) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) [ 948.027599] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 948.036337] FAT-fs (loop1): FAT read failed (blocknr 32) [ 948.050389] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 948.061058] FAULT_INJECTION: forcing a failure. [ 948.061058] name fail_page_alloc, interval 1, probability 0, space 0, times 0 23:22:53 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xff) [ 948.093145] CPU: 1 PID: 6159 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 948.101096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 948.110457] Call Trace: [ 948.113066] dump_stack+0x1fc/0x2ef [ 948.116718] should_fail.cold+0xa/0xf [ 948.120539] ? setup_fault_attr+0x200/0x200 [ 948.124879] __alloc_pages_nodemask+0x239/0x2890 [ 948.129643] ? kasan_kmalloc+0x139/0x160 [ 948.133726] ? __kmalloc_node+0x4c/0x70 [ 948.137713] ? blk_mq_alloc_rq_map+0x120/0x230 [ 948.142314] ? __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 948.146988] ? blk_mq_alloc_tag_set+0x589/0xa30 [ 948.151679] ? nbd_dev_add+0x297/0x890 [ 948.155583] ? nbd_genl_connect+0x488/0x1630 [ 948.160000] ? genl_family_rcv_msg+0x642/0xc40 [ 948.164612] ? genl_rcv+0x24/0x40 [ 948.168073] ? netlink_unicast+0x4d5/0x690 [ 948.172314] ? netlink_sendmsg+0x6c3/0xc50 [ 948.176556] ? __x64_sys_sendmsg+0x132/0x220 [ 948.180976] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 948.186346] ? should_fail+0x142/0x7b0 23:22:54 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000004c0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 948.190246] ? fs_reclaim_release+0xd0/0x110 [ 948.194666] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 948.199512] ? setup_fault_attr+0x200/0x200 [ 948.203836] ? lock_acquire+0x170/0x3c0 [ 948.207823] ? check_preemption_disabled+0x41/0x280 [ 948.212854] ? should_fail+0x142/0x7b0 [ 948.216758] ? setup_fault_attr+0x200/0x200 [ 948.221186] ? __lockdep_init_map+0x100/0x5a0 [ 948.225696] ? find_next_bit+0x105/0x130 [ 948.229767] ? __cpu_to_node+0x7b/0xa0 [ 948.233665] ? blk_mq_hw_queue_to_node+0xc1/0x100 [ 948.238519] blk_mq_alloc_rqs+0x242/0x800 23:22:54 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xff) [ 948.242686] ? blk_mq_alloc_rq_map+0xaa/0x230 [ 948.247200] __blk_mq_alloc_rq_map+0x15b/0x3b0 [ 948.251800] blk_mq_alloc_tag_set+0x589/0xa30 [ 948.256323] nbd_dev_add+0x297/0x890 [ 948.260063] nbd_genl_connect+0x488/0x1630 [ 948.264322] ? nbd_xmit_timeout+0x730/0x730 [ 948.268657] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 948.273869] ? validate_nla+0x270/0x820 [ 948.277862] ? nla_parse+0x1b2/0x290 [ 948.281592] genl_family_rcv_msg+0x642/0xc40 [ 948.286025] ? genl_rcv+0x40/0x40 [ 948.289488] ? genl_rcv_msg+0x12f/0x160 [ 948.293472] ? mutex_trylock+0x1a0/0x1a0 [ 948.297556] ? __radix_tree_lookup+0x216/0x370 [ 948.302157] genl_rcv_msg+0xbf/0x160 [ 948.305888] netlink_rcv_skb+0x160/0x440 [ 948.309962] ? genl_family_rcv_msg+0xc40/0xc40 [ 948.314643] ? netlink_ack+0xae0/0xae0 [ 948.318543] ? genl_rcv+0x15/0x40 [ 948.322022] genl_rcv+0x24/0x40 [ 948.325341] netlink_unicast+0x4d5/0x690 [ 948.329435] ? netlink_sendskb+0x110/0x110 [ 948.333681] ? _copy_from_iter_full+0x229/0x7c0 [ 948.338367] ? __phys_addr_symbol+0x2c/0x70 [ 948.342707] ? __check_object_size+0x17b/0x3e0 [ 948.347305] netlink_sendmsg+0x6c3/0xc50 [ 948.351381] ? aa_af_perm+0x230/0x230 [ 948.355199] ? nlmsg_notify+0x1f0/0x1f0 [ 948.359193] ? kernel_recvmsg+0x220/0x220 [ 948.363364] ? nlmsg_notify+0x1f0/0x1f0 [ 948.367361] sock_sendmsg+0xc3/0x120 [ 948.371085] ___sys_sendmsg+0x7bb/0x8e0 [ 948.375076] ? check_preemption_disabled+0x41/0x280 [ 948.380099] ? copy_msghdr_from_user+0x440/0x440 [ 948.384866] ? __fget+0x32f/0x510 [ 948.388338] ? lock_downgrade+0x720/0x720 [ 948.392501] ? check_preemption_disabled+0x41/0x280 [ 948.397530] ? check_preemption_disabled+0x41/0x280 [ 948.402559] ? __fget+0x356/0x510 [ 948.406029] ? do_dup2+0x450/0x450 [ 948.409581] ? lock_downgrade+0x720/0x720 [ 948.413741] ? vfs_write+0x3d7/0x540 [ 948.417479] ? __fdget+0x1d0/0x230 [ 948.421035] __x64_sys_sendmsg+0x132/0x220 [ 948.425283] ? __sys_sendmsg+0x1b0/0x1b0 [ 948.429356] ? vfs_write+0x393/0x540 [ 948.433097] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 948.438476] ? trace_hardirqs_off_caller+0x6e/0x210 [ 948.443508] ? do_syscall_64+0x21/0x620 [ 948.447500] do_syscall_64+0xf9/0x620 [ 948.451319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 948.456515] RIP: 0033:0x7f1dcd3b15a9 [ 948.460241] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 948.479587] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 948.487303] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:54 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = socket$bt_rfcomm(0x1f, 0x3, 0x3) (async) r2 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r2, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) connect$pppl2tp(r2, &(0x7f0000000100)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e23, @loopback}, 0x4, 0x1, 0x1}}, 0x26) (async) ioctl$FS_IOC_READ_VERITY_METADATA(r1, 0xc0286687, &(0x7f00000000c0)={0x2, 0x65, 0xb9, &(0x7f0000000000)=""/185}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:54 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000004c000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 948.494578] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 948.501850] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 948.509125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 948.516404] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 948.648323] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 948.668853] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 948.685473] nbd: couldn't find device at index -1577385984 23:22:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 16) 23:22:54 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xff) 23:22:54 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="00000000152f66696c6530000fea80b89cac196073359702b56139e3f68660ec7f5d3d6c868bd20dce962a1c87f0c68181189e9023eb9d1062a6dd6ec78dc465e1dd70ace505c3fab77b6309c17a5aabf637a820de8ea6da920fe6686bd6d61ea0fb6188438be2bb0a8ca788c8999f66b3473c9d59ca969eae64bc450303e82d8f33f8b808fe0a5e37c9614721279e1db7d2b12eb51cfc3db05561065ae4e9937674214f25ba4dd2203cac709ad5b438b5b900"/194]) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/mxl111sf_tuner', 0x420b00, 0x7) write$snapshot(0xffffffffffffffff, &(0x7f0000000080)="6fc6bddb724a982a7df8f6c76c8d4879405c57d57515fa49c39c1473344dc8f31bddefc943e8e9911b665f5240f13e0892061c1feafceaf8a94672eb3aba9812481fcaca7518323a638e157c7da643d1ae00"/92, 0x73) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x402, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000200), 0x40, 0x0) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r2, 0x8010671f, &(0x7f0000000400)={&(0x7f0000000340)=""/171, 0xab}) ioctl$SNAPSHOT_FREE(r0, 0x3305) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000100)) syz_open_dev$vcsn(&(0x7f0000000140), 0xff, 0x458041) 23:22:54 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000600000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 948.694360] FAT-fs (loop1): FAT read failed (blocknr 32) 23:22:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x12, {0x29}}, 0x14}}, 0x0) 23:22:54 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000060000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:54 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000040)={r0, 0x1cbd, 0x6, 0x7fffffffffffffff}) mq_timedsend(r1, &(0x7f0000000440)="819b58c879bcf09f802448a67333c8aaf556c6dfe01a010acbfad7f0a2312a825dbb72f75efdceb6f7a72f2e1c966d6bc0ceb886ca3f58a9651504a829b2bad10a95789cb960de5345d7646de5e16383bae398666c4ffbb2842d44f3bea370230446843a5db676d5aaf3a1d23ea1e7cff535ac979a49eb918ae81bad90082b69f478ffd7132a51486b6ac195621d9091a7df0e5924184935554dd0db8831ecbcdff226ffca60e0f1e4e4944c922597d0bd99fc9355d7fe900b79863376154e5456dac549a0bb4bd400d4a0c0905411e34990cbb0121652748d6943a3ca91b5724211700649f592473b714f3b3d2dcc371e7ac708e18e05b469c6e630ae55d66bd743b36a34bd57e064e548333166f54dda29219d4037d79b3d17e987b96bc3b9dc89ced697ea991b00ca9f0fbe298db58f8e2828f21d84b7c06e17f7d31d195cda8b9a74ba1c5fc3d940b57acd47aff9555ad4280b90082b927e1f3f2e59b35af379d145c9cc0d0ee128693454e3b67237e473e4ea30f4db10b0f8b9081d4b38eee2be8a3723bb17c731b9383c73e8daa926f4680e62c9f9de76e5086cffa2352a84482ecdfcd1e79142a40ac5ab96e5d0b17bbfe55ed0e3d84795c8b9cf3e4b8bc59b6c6dc4043c5d3a6b013f674af6cd48dec9b64bd6a90c138f761d2dcf4e61527ba7b4bcd807b133a19c5634041f4b6efa743fb3d718c265886aca867bfabffb72f3593c8a9a7a8a4dd2e58494b8489cae7f61a7c1ece007986424682b175d098348230ea2820c6345eb3dd9ae1e28bc4ffdb25b7758cd372ee23c388e52d56cc0c8c9efd91884cbcc223d8efeb11fcc257cb8d296524fc18ca08211683195ad234de5fc2f894fda249272f704a8b1b959b160cad7d809b8180b657f66132daadbd2e2b9e6eb823fde155075890c07a76989ca8fcd212dcbd9e3ebf645f37021c2aec8ecb50fd142e3caeacf835c18c2eab57ec8af5515d53563ae35cf9b2c54ecd8755b347ad77a19d46aa09e3380375c36b559558e2478e7fc0a6ad13f6fcc20f1f308944114cda9f194aebf772e70aca0bffef22d55810f29cd42f0e311726dc5d41fa5bbfc56b11b8f62563993bc8ec7ca58cc961301bdc3e834d9ea930ee54f3aac7cc1c081c729b8364c75a828ba965f758330eb50070f7cf34cf02f98c399f344a2b3c91d726b10096faccc9d75a256cea343df6afc7a7813f9d6f4d23659390fb2fa3797f4be07775f425ab64a6385bd986da13961defe36b0e1317f90f09bf9e6d7a3a8c8d735f234f6a255d3cef06670a75a9937b2326ad16497a11b23a62952a662e345a72a9af09a4e444ace3ed018488df18212249d2a76d6ea08b3818bd7907e7e0a8a4764a8077fa039d6096936442acf3422f2b5d98d153ec2945a71711cbfdeb12470f2457a6564342f53bd0272b7f9d515f136e3e9fb769e799d91e58370f98cd4d46328c0948d315223a5037d03921e6aebcdaee1fe2f28fc8ccf9529d07e02fd2b332ba63371d79c9b105688d54ff8e4568884aec723d06f53377d35638dec5d438112985f290d024dca5d651852873df28b042fa83e90cedee1681dcd2c3de2ff0dcc4272a2529701fbfc9302d0fb1926328ebd4cdefe6e72273fa4d1e6249eb8ac54d89e817d434c1352b40ed18b050fc3450963621e9cbdca7ef47326bc7440301bf030bc1ed4f53c7ba268ef83c7b992cc854771922fcb6e5a6822b284f5092845db302f9b687e5963e04996896f09ad78d5b25b721b90ef55b88409e485977cc1e0347ec88c2327939ee799c19c1bb5e5b59c2812fc1c09ccd4b59bc4bfe47493fbace62b1c424ce7fa59a55d3b0aa4ff54158166a7ae571fdaf81d67890a89002e195b66de55e15dbaa2b87b0d68fc729a735462cba42f516b557e418d9315ffb21e73c4906e4565d2b773b6b9a03464240bccefe122f2865abbc96e16a048c498eb37065b27ab777c1e8bef2616d8f85f5058f18d447dbdbd14c9f9b44f73a836e606755de4f5582bf4d8f6a192059d8371611a7088efc71cd1813d9c0e7e7011a7d805746b600d5e5f6fa03488390610c3671657e3a837b33a5dad8a3e19d4273c92d517ec63dbfba18391822bba09775bc120376265300789116dbf623ea41a2b852963820196af52bbbb17ef68e159814fa16eb676cef6812d40ec360b4f33fae6f751cd34515ac537ade85c0eeb69e6b59aada719dc65796330a59fb2ab7ff44e586f11e49c4aaa2d3f5a3ee317156ddbefc150c6fd1d9853dcebffad77d8ffa783b689a6a109642a9332c476fffa29bced612153c9d5cc43488b1dc9f5f9b23d1f1387257089edda3459e44e29c3c81433922abcd548fa21881b59417f2bd128f48c9e9b06920d0dae503cd421705ab676c895612bbcb8e1363a22a49dfdad7e63673be554df6f58bf2f2813ae184f37a7e355d47edb8a9c51a041547c79b216ff1852e03b39833576d4bdcdd620053a01473f2b08ade1c622492f7f93a7f9d8046c4bb4193fd815167d82a748077d4921e72d01f60ad60e30fc470b5911169f2397aa321837e505f5fa7f039196a58c15c2bf289c730c492cb711a2e91b99811e18060bfa25fc02d33a5217885dda6769e85e669d21548fb2d6d700c44b94356712e9e365e5b65aeff7a0e563130112a4a0c0567a56a429e978a75772ace055d930ad084e227b297e522f1c1e0b7a18e4cd6ba6ff68a755633fe3e47d431e2ff3897387767701762ef118ccdcf28033f499bcf0065b104e9b41663b8740e41e46e40dfa33e22f6f9ad76e86c9a8c99c608559c1400fa9dd6e5f77edab994f5692ce8ecd509c677ac3687839b4ccd1a4a344960f9d4f037deac5476603bc277a98e53d9757fd86d867b44ecc03040913498c5b12d1eac116b125fbf2b9efe082be8c473b5f55797743b8364d1b1d792cf7073fe1e5529592903313542acd297aa302269b233ef79dcb58711b1a45dcb9b9807e371283376ac13678f732b3e304cbece9f516efdc0fa6a13fb859469b35a41e89b7d9e613f7472603ef185df9f86372d412b03f8d5211468692c158617b0281498a6dc786abcf1e05db9b1359d387f5b207f1aa95e6b0a223fafaea1e0df0435071a50ecbdd612e9e8fa5db9904ea7d3f5df96b86a4815fb86636b0fcd1806737d7cfff2577fab7a064807be5e9afe7abc94b2eeade3752aea1b073ae83e8bc8a63164bbef0951ca9f76585f5c63141df9ca2aa5db1cd279a69d65d739d432d4668530fdebc128a59ecc9b0836c7a8472b0f140428145da38aa0b092787661460c617e9f2cb17840db2c6cd3379454ae77a1a69880b674d00e97530082ac2e32e2e49050419e7fad705c3131de02604359777eb984de744dec1feb0fc04ebf8eddfffedfe0d0cedac99c96fe6bfcd4e50a1efbfec08f1c6299586bdea0fbb239a7185bd89ba0922e870ad5ada8094098c44b069ca59e521368d39767bc3bbe65c4f29453948bd87a2e7458e208620d927b5575c69bbd5011302a3a6ee3ea4aad4b9b49d94701c29b72a121705d6012d7086f94b29a4ca2ad4be6ffb93cab61b8eab32f2834e1d1a372be4cfa2a10c5c4400db17c1ede1ade885e9e5b9e95fed32e5f8b2f9f8f3336221a9ba7bb98151287a4a827e789381112295934de3f2d445b2bf9b1eb1e0bdc7e4445a5fb956f4e1b0637e64b53390bec27f9872d7bddb5985ca1ee673d1afb304a69caaa10fff7a852bcfdd6cce36c7da09cc26666c8216078139024973e33697b1de33bb9133344c35796441c5423bc8b7439cddc60d3036f484527c3b041a5463b0388e11e1bfbeaf7d5b55127b3e02b58a14930112419fc7e7d48c8f5e1869411c7a46afa5dc723f0555dfe9fd3ffc2de1c4c4a4a991019c6a53b0e2d9f02b609d9f51b079bc84f941efa6b6a3bb7983749208574bb8de4e80f6f8c2d00670d1c9ce1bbf68227f55c7d933f04015321503dc93e55cceea0fa7f5221b803c8e6183e9a4669e4b2b517f577b58ac9999d1a68cfb21b928f77970fa793034e5919e7a7dfdca9e9d91e0aa7955048e5f7858f2de4776e158f8fb216ff9d2dd872348745ea4199c78fb2f27d0b49a6b188a61193aedce5668ce94098bf0f62723918b8d39a1eadf320847c4ba4824ac8d41a0d86699cff2f94b3628447cc6d3f40295eabce127ae874a9f7c90b9ca3cee8f846cdafa713f1008c3b4974350ea800115d36a3b9736a9b88b5f35bbd06e1f17193e20663f9c85dc603d1361cd9697096b13a09213f54a80c0887245760b6e77e94aac5a754bea424283fcf9c89e1469d35df42612e48f684718d9dc1af85d3fe64c8c8a021cb84bc48f0f97ba93285bc03689fc6c0c1225467862ca232e82e0344fc28d4f3a58ffc9e5ef74a40fd7acb0d77d8e2992402242a314c5a305f2548d324434185949cf8464f896703cb94447fb94eaa4bbe1330fbd0e50a6bb637109025dbd914b8270ae2920c3e7fd8dc245ddd3bc3ef6d0b35112821f71074ab825d8702c753091f2a366759b05eb90d19cff92bc8eb1a35cca9add780c8495739a08c279bd8133526886ef62687d40942c2e0deafaebc53cd7a121657918c48acd3b3ad7bdae3e2af28da9a89e0705d1f64df9b29973e9ba55c47fd8a3085e4e4c08f1679f432b3f051304ae4a9160d22722d9be3c34099ac09ed80f7406a1caf3e8f1f5385384574f1ca5693a33619f5b61923c2fde8ff751196ef995fa8f563c85fa2ea6fd0eae909a2944a4145ae37dd3a173070cbf5241b98ba61760895a2043e0d4dae1708ea2399cd795a975c31d5b4d049d3bd89e975e98e8d7866ecf47238e794772a5f1da04df29d0e349c4f4f3a6c45cdd77d3ef05a4787081965f69d1d9f57667ee4a234b8cb3535699e832a2d53bca12c2729c1cbc79296563e8c47a47099ee6a99f7e3993af5594a8dee7f8acdb16357d637a383a8acd8108a2ae661cdc4162ba59466391188c9ca94f1706dc25b6f0b685eeacd5cd542c48a5a95ce7c8a493be1fe29a4146ac980af43909ea1815278ecbbb95ccceeb3920e43e021d4afe4d3dcd4f57e128f9f508b69d5e23892ce20c10b685d775d75a4b7bdd7cc8d2d9b4bbef35647a3c902c03fa69dc170d24f17dce3703dfa050128b432e2a2e17bef14e02d53db254452cca5cb71569f3b96a4ab8a77c15b6d0f3e95c10aae54f2155879d2da7f5527bffe12f05d120fa865a98ec6a3dcf035753c47d14b781f6feb4dc40b8df7a4988472d4736e65f0387b68931ed38112fb846ab261a77d6ee9413e246d695b32cb6e3a9abe45865ebc4801ab85c8c893a6ab805b2e045b63e2698a62c8c9afc22875b444d8082225bd311150b6cc8830220d654cf288732515548e359ec6447dbb9e5fee4a53b19767947f088bac0134dcb420ba5fdfb82a79a4979f652abf7354c2ccd4c134bec1736c389146f70bc5a41bd7fd5f2d836e1376a0dff9d602d767cdc2b41c9d62f6145c26f11b4b53d1e45ef7b4f035b44b751503083e23bb22a31b0e5b36607e96b4cc88b0ea0ae4c275be6f6be45a80ba2473dc19ad44ce550ea319244bea3e7152eb04cd9b79ca18b4c0a551db50000c6f79409298693817318b1374151b62a8802be071df9448691a911a14e8a17bb3ae5f7442b6b890fa6d92e09c982687c74296db279a46e7d8ab224b3f1ce72d2ad5e6a71f5bd3bb65a1db47dfaa58709121b9e6b953231136ca31dbaae1f597798c2c25c3956f87cd659babe8772fec3fd6418ba8076a8de71401ccdc25fec", 0x1000, 0x58, &(0x7f0000000100)) copy_file_range(r1, &(0x7f0000000080)=0x6, r1, &(0x7f00000000c0)=0x7ff, 0x0, 0x0) r2 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={&(0x7f00000000c0), 0x7}, 0xe0, 0x4000000000000, 0x0, 0x0, 0x0, 0x5aa}, 0x0, 0x0, 0xffffffffffffffff, 0x1) ptrace$pokeuser(0x6, 0x0, 0x805, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x80, 0x800}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) set_mempolicy(0x1, &(0x7f0000000140), 0xc) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xd4500, 0x40) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) perf_event_open(&(0x7f0000000a00)={0x0, 0x80, 0x77, 0xff, 0x1, 0xe, 0x0, 0xffffffffffffffe2, 0x800a, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x3, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x5, 0x4, @perf_config_ext={0x3, 0x99}, 0x11200, 0x7, 0x5, 0x9, 0x4, 0x2, 0x0, 0x0, 0xffffffff, 0x0, 0x8001}, 0x0, 0xd, 0xffffffffffffffff, 0xa) perf_event_open(&(0x7f0000000980)={0x0, 0x80, 0x8a, 0x5, 0xef, 0x0, 0x0, 0x3, 0x20000, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x4, @perf_bp={&(0x7f0000000940), 0x8}, 0x400e8, 0xab, 0x3f, 0x0, 0x10001, 0x4, 0x3d4, 0x0, 0x163, 0x0, 0x3}, 0x0, 0x10, 0xffffffffffffffff, 0x8) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r3) set_mempolicy(0x2, &(0x7f0000000180)=0x7ff, 0x9) mlock(&(0x7f0000480000/0x2000)=nil, 0x2000) mprotect(&(0x7f00007fe000/0x800000)=nil, 0x800000, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) madvise(&(0x7f0000170000/0x3000)=nil, 0x3000, 0x4) [ 948.829127] FAULT_INJECTION: forcing a failure. [ 948.829127] name failslab, interval 1, probability 0, space 0, times 0 [ 948.887481] CPU: 0 PID: 6212 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 948.895310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 948.901072] Restarting kernel threads ... done. [ 948.904662] Call Trace: [ 948.904686] dump_stack+0x1fc/0x2ef [ 948.904708] should_fail.cold+0xa/0xf [ 948.904724] ? setup_fault_attr+0x200/0x200 [ 948.904742] ? lock_acquire+0x170/0x3c0 [ 948.927747] __should_failslab+0x115/0x180 [ 948.931994] should_failslab+0x5/0x10 [ 948.935808] kmem_cache_alloc_node+0x245/0x3b0 [ 948.940410] blk_alloc_queue_node+0x32/0xbf0 [ 948.944828] blk_mq_init_queue+0x44/0xa0 [ 948.948905] nbd_dev_add+0x2b9/0x890 [ 948.952625] nbd_genl_connect+0x488/0x1630 [ 948.956856] ? nbd_xmit_timeout+0x730/0x730 [ 948.961172] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 948.966364] ? validate_nla+0x270/0x820 [ 948.970331] ? nla_parse+0x1b2/0x290 [ 948.974038] genl_family_rcv_msg+0x642/0xc40 [ 948.978435] ? genl_rcv+0x40/0x40 [ 948.981878] ? genl_rcv_msg+0x12f/0x160 [ 948.985838] ? mutex_trylock+0x1a0/0x1a0 [ 948.989895] ? __radix_tree_lookup+0x216/0x370 [ 948.994477] genl_rcv_msg+0xbf/0x160 [ 948.998180] netlink_rcv_skb+0x160/0x440 [ 949.002229] ? genl_family_rcv_msg+0xc40/0xc40 [ 949.006798] ? netlink_ack+0xae0/0xae0 [ 949.010760] ? genl_rcv+0x15/0x40 [ 949.014209] genl_rcv+0x24/0x40 [ 949.017479] netlink_unicast+0x4d5/0x690 [ 949.021531] ? netlink_sendskb+0x110/0x110 [ 949.025757] ? _copy_from_iter_full+0x229/0x7c0 [ 949.030412] ? __phys_addr_symbol+0x2c/0x70 [ 949.034726] ? __check_object_size+0x17b/0x3e0 [ 949.039299] netlink_sendmsg+0x6c3/0xc50 [ 949.043353] ? aa_af_perm+0x230/0x230 [ 949.048008] ? nlmsg_notify+0x1f0/0x1f0 [ 949.051973] ? kernel_recvmsg+0x220/0x220 [ 949.056113] ? nlmsg_notify+0x1f0/0x1f0 [ 949.060076] sock_sendmsg+0xc3/0x120 [ 949.063781] ___sys_sendmsg+0x7bb/0x8e0 [ 949.067771] ? check_preemption_disabled+0x41/0x280 [ 949.072771] ? copy_msghdr_from_user+0x440/0x440 [ 949.077516] ? __fget+0x32f/0x510 [ 949.080962] ? lock_downgrade+0x720/0x720 [ 949.085101] ? check_preemption_disabled+0x41/0x280 [ 949.090106] ? check_preemption_disabled+0x41/0x280 [ 949.095112] ? __fget+0x356/0x510 [ 949.098558] ? do_dup2+0x450/0x450 [ 949.102084] ? lock_downgrade+0x720/0x720 [ 949.106222] ? vfs_write+0x3d7/0x540 [ 949.109923] ? __fdget+0x1d0/0x230 [ 949.113455] __x64_sys_sendmsg+0x132/0x220 [ 949.117677] ? __sys_sendmsg+0x1b0/0x1b0 [ 949.121725] ? vfs_write+0x393/0x540 [ 949.125433] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 949.130783] ? trace_hardirqs_off_caller+0x6e/0x210 [ 949.135785] ? do_syscall_64+0x21/0x620 [ 949.139748] do_syscall_64+0xf9/0x620 [ 949.143540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 949.148721] RIP: 0033:0x7f1dcd3b15a9 [ 949.152429] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 949.171318] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 949.179010] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:22:55 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="00000000152f66696c6530000fea80b89cac196073359702b56139e3f68660ec7f5d3d6c868bd20dce962a1c87f0c68181189e9023eb9d1062a6dd6ec78dc465e1dd70ace505c3fab77b6309c17a5aabf637a820de8ea6da920fe6686bd6d61ea0fb6188438be2bb0a8ca788c8999f66b3473c9d59ca969eae64bc450303e82d8f33f8b808fe0a5e37c9614721279e1db7d2b12eb51cfc3db05561065ae4e9937674214f25ba4dd2203cac709ad5b438b5b900"/194]) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/mxl111sf_tuner', 0x420b00, 0x7) write$snapshot(0xffffffffffffffff, &(0x7f0000000080)="6fc6bddb724a982a7df8f6c76c8d4879405c57d57515fa49c39c1473344dc8f31bddefc943e8e9911b665f5240f13e0892061c1feafceaf8a94672eb3aba9812481fcaca7518323a638e157c7da643d1ae00"/92, 0x73) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x402, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async, rerun: 64) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000200), 0x40, 0x0) (rerun: 64) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r2, 0x8010671f, &(0x7f0000000400)={&(0x7f0000000340)=""/171, 0xab}) ioctl$SNAPSHOT_FREE(r0, 0x3305) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000100)) (async) syz_open_dev$vcsn(&(0x7f0000000140), 0xff, 0x458041) [ 949.186264] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 949.193520] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 949.200789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 949.208044] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 949.233565] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 949.252268] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 949.257137] FAT-fs (loop1): FAT read failed (blocknr 32) 23:22:55 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000040)={r0, 0x1cbd, 0x6, 0x7fffffffffffffff}) mq_timedsend(r1, &(0x7f0000000440)="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", 0x1000, 0x58, &(0x7f0000000100)) (async) copy_file_range(r1, &(0x7f0000000080)=0x6, r1, &(0x7f00000000c0)=0x7ff, 0x0, 0x0) (async) r2 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000000c0), 0x7}, 0xe0, 0x4000000000000, 0x0, 0x0, 0x0, 0x5aa}, 0x0, 0x0, 0xffffffffffffffff, 0x1) (async) ptrace$pokeuser(0x6, 0x0, 0x805, 0x0) (async) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x80, 0x800}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) set_mempolicy(0x1, &(0x7f0000000140), 0xc) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xd4500, 0x40) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) (async) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) (async) perf_event_open(&(0x7f0000000a00)={0x0, 0x80, 0x77, 0xff, 0x1, 0xe, 0x0, 0xffffffffffffffe2, 0x800a, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x3, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x5, 0x4, @perf_config_ext={0x3, 0x99}, 0x11200, 0x7, 0x5, 0x9, 0x4, 0x2, 0x0, 0x0, 0xffffffff, 0x0, 0x8001}, 0x0, 0xd, 0xffffffffffffffff, 0xa) perf_event_open(&(0x7f0000000980)={0x0, 0x80, 0x8a, 0x5, 0xef, 0x0, 0x0, 0x3, 0x20000, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x4, @perf_bp={&(0x7f0000000940), 0x8}, 0x400e8, 0xab, 0x3f, 0x0, 0x10001, 0x4, 0x3d4, 0x0, 0x163, 0x0, 0x3}, 0x0, 0x10, 0xffffffffffffffff, 0x8) (async) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r3) (async) set_mempolicy(0x2, &(0x7f0000000180)=0x7ff, 0x9) (async) mlock(&(0x7f0000480000/0x2000)=nil, 0x2000) (async) mprotect(&(0x7f00007fe000/0x800000)=nil, 0x800000, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) madvise(&(0x7f0000170000/0x3000)=nil, 0x3000, 0x4) [ 949.296986] nbd: failed to add new device 23:22:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x13, {0x29}}, 0x14}}, 0x0) 23:22:55 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000068000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:55 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000610000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 17) [ 949.441574] Restarting kernel threads ... done. 23:22:55 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f0000000240)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="00000000152f66696c6530000fea80b89cac196073359702b56139e3f68660ec7f5d3d6c868bd20dce962a1c87f0c68181189e9023eb9d1062a6dd6ec78dc465e1dd70ace505c3fab77b6309c17a5aabf637a820de8ea6da920fe6686bd6d61ea0fb6188438be2bb0a8ca788c8999f66b3473c9d59ca969eae64bc450303e82d8f33f8b808fe0a5e37c9614721279e1db7d2b12eb51cfc3db05561065ae4e9937674214f25ba4dd2203cac709ad5b438b5b900"/194]) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) (async) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/module/mxl111sf_tuner', 0x420b00, 0x7) (async) write$snapshot(0xffffffffffffffff, &(0x7f0000000080)="6fc6bddb724a982a7df8f6c76c8d4879405c57d57515fa49c39c1473344dc8f31bddefc943e8e9911b665f5240f13e0892061c1feafceaf8a94672eb3aba9812481fcaca7518323a638e157c7da643d1ae00"/92, 0x73) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x402, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async, rerun: 64) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000200), 0x40, 0x0) (rerun: 64) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r2, 0x8010671f, &(0x7f0000000400)={&(0x7f0000000340)=""/171, 0xab}) (async, rerun: 64) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async, rerun: 64) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async, rerun: 32) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000100)) (async, rerun: 32) syz_open_dev$vcsn(&(0x7f0000000140), 0xff, 0x458041) [ 949.477400] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 949.517853] FAULT_INJECTION: forcing a failure. [ 949.517853] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 949.529686] CPU: 0 PID: 6254 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 949.531926] FAT-fs (loop1): FAT read failed (blocknr 32) [ 949.537571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 949.537578] Call Trace: [ 949.537603] dump_stack+0x1fc/0x2ef [ 949.537624] should_fail.cold+0xa/0xf [ 949.537642] ? setup_fault_attr+0x200/0x200 [ 949.537662] ? check_preemption_disabled+0x41/0x280 [ 949.571766] __alloc_pages_nodemask+0x239/0x2890 [ 949.576528] ? __alloc_pages_nodemask+0x1b43/0x2890 [ 949.581554] ? kasan_kmalloc+0x139/0x160 [ 949.585619] ? __lock_acquire+0x6de/0x3ff0 [ 949.589864] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 949.595233] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 949.600070] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 949.604905] ? setup_fault_attr+0x200/0x200 [ 949.609217] ? lock_acquire+0x170/0x3c0 [ 949.613182] ? should_fail+0x142/0x7b0 [ 949.617062] ? __lockdep_init_map+0x100/0x5a0 [ 949.621545] ? __lockdep_init_map+0x100/0x5a0 [ 949.626121] cache_grow_begin+0xa4/0x8a0 [ 949.630171] ? setup_fault_attr+0x200/0x200 [ 949.634497] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 949.639244] cache_alloc_refill+0x273/0x340 [ 949.643567] kmem_cache_alloc_node+0x39e/0x3b0 [ 949.648147] blk_alloc_queue_node+0x32/0xbf0 [ 949.652548] blk_mq_init_queue+0x44/0xa0 [ 949.656602] nbd_dev_add+0x2b9/0x890 [ 949.660308] nbd_genl_connect+0x488/0x1630 [ 949.664538] ? nbd_xmit_timeout+0x730/0x730 [ 949.668853] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 949.674034] ? validate_nla+0x270/0x820 [ 949.678004] ? nla_parse+0x1b2/0x290 [ 949.681710] genl_family_rcv_msg+0x642/0xc40 [ 949.686110] ? genl_rcv+0x40/0x40 [ 949.689553] ? genl_rcv_msg+0x12f/0x160 [ 949.693523] ? mutex_trylock+0x1a0/0x1a0 [ 949.697576] ? __radix_tree_lookup+0x216/0x370 [ 949.702156] genl_rcv_msg+0xbf/0x160 [ 949.705858] netlink_rcv_skb+0x160/0x440 [ 949.709907] ? genl_family_rcv_msg+0xc40/0xc40 [ 949.714480] ? netlink_ack+0xae0/0xae0 [ 949.718359] ? genl_rcv+0x15/0x40 [ 949.721809] genl_rcv+0x24/0x40 [ 949.725077] netlink_unicast+0x4d5/0x690 [ 949.729128] ? netlink_sendskb+0x110/0x110 [ 949.733352] ? _copy_from_iter_full+0x229/0x7c0 [ 949.738009] ? __phys_addr_symbol+0x2c/0x70 [ 949.742321] ? __check_object_size+0x17b/0x3e0 [ 949.746896] netlink_sendmsg+0x6c3/0xc50 [ 949.750950] ? aa_af_perm+0x230/0x230 [ 949.754739] ? nlmsg_notify+0x1f0/0x1f0 [ 949.758702] ? kernel_recvmsg+0x220/0x220 [ 949.764175] ? nlmsg_notify+0x1f0/0x1f0 [ 949.768140] sock_sendmsg+0xc3/0x120 [ 949.771844] ___sys_sendmsg+0x7bb/0x8e0 [ 949.775813] ? check_preemption_disabled+0x41/0x280 [ 949.780818] ? copy_msghdr_from_user+0x440/0x440 [ 949.785568] ? __fget+0x32f/0x510 [ 949.789013] ? lock_downgrade+0x720/0x720 [ 949.793162] ? check_preemption_disabled+0x41/0x280 [ 949.798171] ? check_preemption_disabled+0x41/0x280 [ 949.803177] ? __fget+0x356/0x510 [ 949.806621] ? do_dup2+0x450/0x450 [ 949.810160] ? lock_downgrade+0x720/0x720 [ 949.814301] ? vfs_write+0x3d7/0x540 [ 949.818010] ? __fdget+0x1d0/0x230 [ 949.821543] __x64_sys_sendmsg+0x132/0x220 [ 949.825765] ? __sys_sendmsg+0x1b0/0x1b0 [ 949.829812] ? vfs_write+0x393/0x540 [ 949.833524] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 949.838880] ? trace_hardirqs_off_caller+0x6e/0x210 [ 949.843887] ? do_syscall_64+0x21/0x620 [ 949.847853] do_syscall_64+0xf9/0x620 [ 949.851648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 949.856826] RIP: 0033:0x7f1dcd3b15a9 [ 949.860533] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 949.879513] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 949.887208] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 949.894466] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 949.901724] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 949.908990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 23:22:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x14, {0x29}}, 0x14}}, 0x0) 23:22:55 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000040)={r0, 0x1cbd, 0x6, 0x7fffffffffffffff}) mq_timedsend(r1, &(0x7f0000000440)="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", 0x1000, 0x58, &(0x7f0000000100)) copy_file_range(r1, &(0x7f0000000080)=0x6, r1, &(0x7f00000000c0)=0x7ff, 0x0, 0x0) r2 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={&(0x7f00000000c0), 0x7}, 0xe0, 0x4000000000000, 0x0, 0x0, 0x0, 0x5aa}, 0x0, 0x0, 0xffffffffffffffff, 0x1) ptrace$pokeuser(0x6, 0x0, 0x805, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x80, 0x800}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) set_mempolicy(0x1, &(0x7f0000000140), 0xc) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xd4500, 0x40) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) perf_event_open(&(0x7f0000000a00)={0x0, 0x80, 0x77, 0xff, 0x1, 0xe, 0x0, 0xffffffffffffffe2, 0x800a, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x3, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x5, 0x4, @perf_config_ext={0x3, 0x99}, 0x11200, 0x7, 0x5, 0x9, 0x4, 0x2, 0x0, 0x0, 0xffffffff, 0x0, 0x8001}, 0x0, 0xd, 0xffffffffffffffff, 0xa) perf_event_open(&(0x7f0000000980)={0x0, 0x80, 0x8a, 0x5, 0xef, 0x0, 0x0, 0x3, 0x20000, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x4, @perf_bp={&(0x7f0000000940), 0x8}, 0x400e8, 0xab, 0x3f, 0x0, 0x10001, 0x4, 0x3d4, 0x0, 0x163, 0x0, 0x3}, 0x0, 0x10, 0xffffffffffffffff, 0x8) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r3) set_mempolicy(0x2, &(0x7f0000000180)=0x7ff, 0x9) mlock(&(0x7f0000480000/0x2000)=nil, 0x2000) mprotect(&(0x7f00007fe000/0x800000)=nil, 0x800000, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) madvise(&(0x7f0000170000/0x3000)=nil, 0x3000, 0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000040)={r0, 0x1cbd, 0x6, 0x7fffffffffffffff}) (async) mq_timedsend(r1, &(0x7f0000000440)="819b58c879bcf09f802448a67333c8aaf556c6dfe01a010acbfad7f0a2312a825dbb72f75efdceb6f7a72f2e1c966d6bc0ceb886ca3f58a9651504a829b2bad10a95789cb960de5345d7646de5e16383bae398666c4ffbb2842d44f3bea370230446843a5db676d5aaf3a1d23ea1e7cff535ac979a49eb918ae81bad90082b69f478ffd7132a51486b6ac195621d9091a7df0e5924184935554dd0db8831ecbcdff226ffca60e0f1e4e4944c922597d0bd99fc9355d7fe900b79863376154e5456dac549a0bb4bd400d4a0c0905411e34990cbb0121652748d6943a3ca91b5724211700649f592473b714f3b3d2dcc371e7ac708e18e05b469c6e630ae55d66bd743b36a34bd57e064e548333166f54dda29219d4037d79b3d17e987b96bc3b9dc89ced697ea991b00ca9f0fbe298db58f8e2828f21d84b7c06e17f7d31d195cda8b9a74ba1c5fc3d940b57acd47aff9555ad4280b90082b927e1f3f2e59b35af379d145c9cc0d0ee128693454e3b67237e473e4ea30f4db10b0f8b9081d4b38eee2be8a3723bb17c731b9383c73e8daa926f4680e62c9f9de76e5086cffa2352a84482ecdfcd1e79142a40ac5ab96e5d0b17bbfe55ed0e3d84795c8b9cf3e4b8bc59b6c6dc4043c5d3a6b013f674af6cd48dec9b64bd6a90c138f761d2dcf4e61527ba7b4bcd807b133a19c5634041f4b6efa743fb3d718c265886aca867bfabffb72f3593c8a9a7a8a4dd2e58494b8489cae7f61a7c1ece007986424682b175d098348230ea2820c6345eb3dd9ae1e28bc4ffdb25b7758cd372ee23c388e52d56cc0c8c9efd91884cbcc223d8efeb11fcc257cb8d296524fc18ca08211683195ad234de5fc2f894fda249272f704a8b1b959b160cad7d809b8180b657f66132daadbd2e2b9e6eb823fde155075890c07a76989ca8fcd212dcbd9e3ebf645f37021c2aec8ecb50fd142e3caeacf835c18c2eab57ec8af5515d53563ae35cf9b2c54ecd8755b347ad77a19d46aa09e3380375c36b559558e2478e7fc0a6ad13f6fcc20f1f308944114cda9f194aebf772e70aca0bffef22d55810f29cd42f0e311726dc5d41fa5bbfc56b11b8f62563993bc8ec7ca58cc961301bdc3e834d9ea930ee54f3aac7cc1c081c729b8364c75a828ba965f758330eb50070f7cf34cf02f98c399f344a2b3c91d726b10096faccc9d75a256cea343df6afc7a7813f9d6f4d23659390fb2fa3797f4be07775f425ab64a6385bd986da13961defe36b0e1317f90f09bf9e6d7a3a8c8d735f234f6a255d3cef06670a75a9937b2326ad16497a11b23a62952a662e345a72a9af09a4e444ace3ed018488df18212249d2a76d6ea08b3818bd7907e7e0a8a4764a8077fa039d6096936442acf3422f2b5d98d153ec2945a71711cbfdeb12470f2457a6564342f53bd0272b7f9d515f136e3e9fb769e799d91e58370f98cd4d46328c0948d315223a5037d03921e6aebcdaee1fe2f28fc8ccf9529d07e02fd2b332ba63371d79c9b105688d54ff8e4568884aec723d06f53377d35638dec5d438112985f290d024dca5d651852873df28b042fa83e90cedee1681dcd2c3de2ff0dcc4272a2529701fbfc9302d0fb1926328ebd4cdefe6e72273fa4d1e6249eb8ac54d89e817d434c1352b40ed18b050fc3450963621e9cbdca7ef47326bc7440301bf030bc1ed4f53c7ba268ef83c7b992cc854771922fcb6e5a6822b284f5092845db302f9b687e5963e04996896f09ad78d5b25b721b90ef55b88409e485977cc1e0347ec88c2327939ee799c19c1bb5e5b59c2812fc1c09ccd4b59bc4bfe47493fbace62b1c424ce7fa59a55d3b0aa4ff54158166a7ae571fdaf81d67890a89002e195b66de55e15dbaa2b87b0d68fc729a735462cba42f516b557e418d9315ffb21e73c4906e4565d2b773b6b9a03464240bccefe122f2865abbc96e16a048c498eb37065b27ab777c1e8bef2616d8f85f5058f18d447dbdbd14c9f9b44f73a836e606755de4f5582bf4d8f6a192059d8371611a7088efc71cd1813d9c0e7e7011a7d805746b600d5e5f6fa03488390610c3671657e3a837b33a5dad8a3e19d4273c92d517ec63dbfba18391822bba09775bc120376265300789116dbf623ea41a2b852963820196af52bbbb17ef68e159814fa16eb676cef6812d40ec360b4f33fae6f751cd34515ac537ade85c0eeb69e6b59aada719dc65796330a59fb2ab7ff44e586f11e49c4aaa2d3f5a3ee317156ddbefc150c6fd1d9853dcebffad77d8ffa783b689a6a109642a9332c476fffa29bced612153c9d5cc43488b1dc9f5f9b23d1f1387257089edda3459e44e29c3c81433922abcd548fa21881b59417f2bd128f48c9e9b06920d0dae503cd421705ab676c895612bbcb8e1363a22a49dfdad7e63673be554df6f58bf2f2813ae184f37a7e355d47edb8a9c51a041547c79b216ff1852e03b39833576d4bdcdd620053a01473f2b08ade1c622492f7f93a7f9d8046c4bb4193fd815167d82a748077d4921e72d01f60ad60e30fc470b5911169f2397aa321837e505f5fa7f039196a58c15c2bf289c730c492cb711a2e91b99811e18060bfa25fc02d33a5217885dda6769e85e669d21548fb2d6d700c44b94356712e9e365e5b65aeff7a0e563130112a4a0c0567a56a429e978a75772ace055d930ad084e227b297e522f1c1e0b7a18e4cd6ba6ff68a755633fe3e47d431e2ff3897387767701762ef118ccdcf28033f499bcf0065b104e9b41663b8740e41e46e40dfa33e22f6f9ad76e86c9a8c99c608559c1400fa9dd6e5f77edab994f5692ce8ecd509c677ac3687839b4ccd1a4a344960f9d4f037deac5476603bc277a98e53d9757fd86d867b44ecc03040913498c5b12d1eac116b125fbf2b9efe082be8c473b5f55797743b8364d1b1d792cf7073fe1e5529592903313542acd297aa302269b233ef79dcb58711b1a45dcb9b9807e371283376ac13678f732b3e304cbece9f516efdc0fa6a13fb859469b35a41e89b7d9e613f7472603ef185df9f86372d412b03f8d5211468692c158617b0281498a6dc786abcf1e05db9b1359d387f5b207f1aa95e6b0a223fafaea1e0df0435071a50ecbdd612e9e8fa5db9904ea7d3f5df96b86a4815fb86636b0fcd1806737d7cfff2577fab7a064807be5e9afe7abc94b2eeade3752aea1b073ae83e8bc8a63164bbef0951ca9f76585f5c63141df9ca2aa5db1cd279a69d65d739d432d4668530fdebc128a59ecc9b0836c7a8472b0f140428145da38aa0b092787661460c617e9f2cb17840db2c6cd3379454ae77a1a69880b674d00e97530082ac2e32e2e49050419e7fad705c3131de02604359777eb984de744dec1feb0fc04ebf8eddfffedfe0d0cedac99c96fe6bfcd4e50a1efbfec08f1c6299586bdea0fbb239a7185bd89ba0922e870ad5ada8094098c44b069ca59e521368d39767bc3bbe65c4f29453948bd87a2e7458e208620d927b5575c69bbd5011302a3a6ee3ea4aad4b9b49d94701c29b72a121705d6012d7086f94b29a4ca2ad4be6ffb93cab61b8eab32f2834e1d1a372be4cfa2a10c5c4400db17c1ede1ade885e9e5b9e95fed32e5f8b2f9f8f3336221a9ba7bb98151287a4a827e789381112295934de3f2d445b2bf9b1eb1e0bdc7e4445a5fb956f4e1b0637e64b53390bec27f9872d7bddb5985ca1ee673d1afb304a69caaa10fff7a852bcfdd6cce36c7da09cc26666c8216078139024973e33697b1de33bb9133344c35796441c5423bc8b7439cddc60d3036f484527c3b041a5463b0388e11e1bfbeaf7d5b55127b3e02b58a14930112419fc7e7d48c8f5e1869411c7a46afa5dc723f0555dfe9fd3ffc2de1c4c4a4a991019c6a53b0e2d9f02b609d9f51b079bc84f941efa6b6a3bb7983749208574bb8de4e80f6f8c2d00670d1c9ce1bbf68227f55c7d933f04015321503dc93e55cceea0fa7f5221b803c8e6183e9a4669e4b2b517f577b58ac9999d1a68cfb21b928f77970fa793034e5919e7a7dfdca9e9d91e0aa7955048e5f7858f2de4776e158f8fb216ff9d2dd872348745ea4199c78fb2f27d0b49a6b188a61193aedce5668ce94098bf0f62723918b8d39a1eadf320847c4ba4824ac8d41a0d86699cff2f94b3628447cc6d3f40295eabce127ae874a9f7c90b9ca3cee8f846cdafa713f1008c3b4974350ea800115d36a3b9736a9b88b5f35bbd06e1f17193e20663f9c85dc603d1361cd9697096b13a09213f54a80c0887245760b6e77e94aac5a754bea424283fcf9c89e1469d35df42612e48f684718d9dc1af85d3fe64c8c8a021cb84bc48f0f97ba93285bc03689fc6c0c1225467862ca232e82e0344fc28d4f3a58ffc9e5ef74a40fd7acb0d77d8e2992402242a314c5a305f2548d324434185949cf8464f896703cb94447fb94eaa4bbe1330fbd0e50a6bb637109025dbd914b8270ae2920c3e7fd8dc245ddd3bc3ef6d0b35112821f71074ab825d8702c753091f2a366759b05eb90d19cff92bc8eb1a35cca9add780c8495739a08c279bd8133526886ef62687d40942c2e0deafaebc53cd7a121657918c48acd3b3ad7bdae3e2af28da9a89e0705d1f64df9b29973e9ba55c47fd8a3085e4e4c08f1679f432b3f051304ae4a9160d22722d9be3c34099ac09ed80f7406a1caf3e8f1f5385384574f1ca5693a33619f5b61923c2fde8ff751196ef995fa8f563c85fa2ea6fd0eae909a2944a4145ae37dd3a173070cbf5241b98ba61760895a2043e0d4dae1708ea2399cd795a975c31d5b4d049d3bd89e975e98e8d7866ecf47238e794772a5f1da04df29d0e349c4f4f3a6c45cdd77d3ef05a4787081965f69d1d9f57667ee4a234b8cb3535699e832a2d53bca12c2729c1cbc79296563e8c47a47099ee6a99f7e3993af5594a8dee7f8acdb16357d637a383a8acd8108a2ae661cdc4162ba59466391188c9ca94f1706dc25b6f0b685eeacd5cd542c48a5a95ce7c8a493be1fe29a4146ac980af43909ea1815278ecbbb95ccceeb3920e43e021d4afe4d3dcd4f57e128f9f508b69d5e23892ce20c10b685d775d75a4b7bdd7cc8d2d9b4bbef35647a3c902c03fa69dc170d24f17dce3703dfa050128b432e2a2e17bef14e02d53db254452cca5cb71569f3b96a4ab8a77c15b6d0f3e95c10aae54f2155879d2da7f5527bffe12f05d120fa865a98ec6a3dcf035753c47d14b781f6feb4dc40b8df7a4988472d4736e65f0387b68931ed38112fb846ab261a77d6ee9413e246d695b32cb6e3a9abe45865ebc4801ab85c8c893a6ab805b2e045b63e2698a62c8c9afc22875b444d8082225bd311150b6cc8830220d654cf288732515548e359ec6447dbb9e5fee4a53b19767947f088bac0134dcb420ba5fdfb82a79a4979f652abf7354c2ccd4c134bec1736c389146f70bc5a41bd7fd5f2d836e1376a0dff9d602d767cdc2b41c9d62f6145c26f11b4b53d1e45ef7b4f035b44b751503083e23bb22a31b0e5b36607e96b4cc88b0ea0ae4c275be6f6be45a80ba2473dc19ad44ce550ea319244bea3e7152eb04cd9b79ca18b4c0a551db50000c6f79409298693817318b1374151b62a8802be071df9448691a911a14e8a17bb3ae5f7442b6b890fa6d92e09c982687c74296db279a46e7d8ab224b3f1ce72d2ad5e6a71f5bd3bb65a1db47dfaa58709121b9e6b953231136ca31dbaae1f597798c2c25c3956f87cd659babe8772fec3fd6418ba8076a8de71401ccdc25fec", 0x1000, 0x58, &(0x7f0000000100)) (async) copy_file_range(r1, &(0x7f0000000080)=0x6, r1, &(0x7f00000000c0)=0x7ff, 0x0, 0x0) (async) perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={&(0x7f00000000c0), 0x7}, 0xe0, 0x4000000000000, 0x0, 0x0, 0x0, 0x5aa}, 0x0, 0x0, 0xffffffffffffffff, 0x1) (async) ptrace$pokeuser(0x6, 0x0, 0x805, 0x0) (async) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x80, 0x800}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) set_mempolicy(0x1, &(0x7f0000000140), 0xc) (async) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xd4500, 0x40) (async) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) (async) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) (async) perf_event_open(&(0x7f0000000a00)={0x0, 0x80, 0x77, 0xff, 0x1, 0xe, 0x0, 0xffffffffffffffe2, 0x800a, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x3, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x5, 0x4, @perf_config_ext={0x3, 0x99}, 0x11200, 0x7, 0x5, 0x9, 0x4, 0x2, 0x0, 0x0, 0xffffffff, 0x0, 0x8001}, 0x0, 0xd, 0xffffffffffffffff, 0xa) (async) perf_event_open(&(0x7f0000000980)={0x0, 0x80, 0x8a, 0x5, 0xef, 0x0, 0x0, 0x3, 0x20000, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x4, @perf_bp={&(0x7f0000000940), 0x8}, 0x400e8, 0xab, 0x3f, 0x0, 0x10001, 0x4, 0x3d4, 0x0, 0x163, 0x0, 0x3}, 0x0, 0x10, 0xffffffffffffffff, 0x8) (async) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r3) (async) set_mempolicy(0x2, &(0x7f0000000180)=0x7ff, 0x9) (async) mlock(&(0x7f0000480000/0x2000)=nil, 0x2000) (async) mprotect(&(0x7f00007fe000/0x800000)=nil, 0x800000, 0x0) (async) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) (async) madvise(&(0x7f0000170000/0x3000)=nil, 0x3000, 0x4) (async) [ 949.916248] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:55 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000006c000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:55 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x9) r3 = openat$vimc0(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) write$binfmt_script(r3, &(0x7f0000000100)={'#! ', './file0', [{0x20, '/dev/snapshot\x00'}, {0x20, 'cgroup.procs\x00'}, {0x20, '@*.'}, {0x20, 'cgroup.procs\x00'}, {0x20, '/dev/snapshot\x00'}], 0xa, "123c315dd48a084561a55a9a962306418398a74e2978aa24acb53e5d78c94fe04ace76f59f98b037af57480da4d64563ee08c572f1da9280d00c9b587a3fe4be3e230583b47c5bde124610"}, 0x94) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100010118000000", @ANYRES32=r2, @ANYBLOB='\t\x00\x00\x00\x00\x00\x00e0\x00\x00\x00\x00\x00\x00\x00']) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r4, 0x330f, 0x2) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x15, {0x29}}, 0x14}}, 0x0) [ 950.058100] nbd: couldn't find device at index -1577385984 23:22:55 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x103042, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 18) [ 950.230029] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x16, {0x29}}, 0x14}}, 0x0) 23:22:56 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x9) (async) r3 = openat$vimc0(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) write$binfmt_script(r3, &(0x7f0000000100)={'#! ', './file0', [{0x20, '/dev/snapshot\x00'}, {0x20, 'cgroup.procs\x00'}, {0x20, '@*.'}, {0x20, 'cgroup.procs\x00'}, {0x20, '/dev/snapshot\x00'}], 0xa, "123c315dd48a084561a55a9a962306418398a74e2978aa24acb53e5d78c94fe04ace76f59f98b037af57480da4d64563ee08c572f1da9280d00c9b587a3fe4be3e230583b47c5bde124610"}, 0x94) (async) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100010118000000", @ANYRES32=r2, @ANYBLOB='\t\x00\x00\x00\x00\x00\x00e0\x00\x00\x00\x00\x00\x00\x00']) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r4, 0x330f, 0x2) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 950.276367] FAULT_INJECTION: forcing a failure. [ 950.276367] name failslab, interval 1, probability 0, space 0, times 0 [ 950.294268] FAT-fs (loop1): FAT read failed (blocknr 32) [ 950.308282] CPU: 0 PID: 6297 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 950.316111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 950.325473] Call Trace: [ 950.328079] dump_stack+0x1fc/0x2ef [ 950.331720] should_fail.cold+0xa/0xf [ 950.335535] ? setup_fault_attr+0x200/0x200 [ 950.339869] ? lock_acquire+0x170/0x3c0 [ 950.343862] __should_failslab+0x115/0x180 [ 950.348108] should_failslab+0x5/0x10 [ 950.351927] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 950.357041] __kmalloc_node+0x38/0x70 [ 950.360850] ? mempool_free+0x370/0x370 [ 950.364815] mempool_init_node+0x137/0x6c0 [ 950.369048] ? mempool_alloc+0x350/0x350 [ 950.373093] ? mempool_free+0x370/0x370 [ 950.377108] mempool_init+0x38/0x50 [ 950.380813] bioset_init+0x327/0x810 [ 950.384517] ? kmem_cache_alloc_node+0x351/0x3b0 [ 950.389354] blk_alloc_queue_node+0x189/0xbf0 [ 950.393847] blk_mq_init_queue+0x44/0xa0 [ 950.397898] nbd_dev_add+0x2b9/0x890 [ 950.401627] nbd_genl_connect+0x488/0x1630 [ 950.405857] ? nbd_xmit_timeout+0x730/0x730 [ 950.410170] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 950.415352] ? validate_nla+0x270/0x820 [ 950.419330] ? nla_parse+0x1b2/0x290 [ 950.423043] genl_family_rcv_msg+0x642/0xc40 [ 950.427446] ? genl_rcv+0x40/0x40 [ 950.430901] ? genl_rcv_msg+0x12f/0x160 [ 950.434882] ? mutex_trylock+0x1a0/0x1a0 [ 950.438965] ? __radix_tree_lookup+0x216/0x370 [ 950.443556] genl_rcv_msg+0xbf/0x160 [ 950.447266] netlink_rcv_skb+0x160/0x440 [ 950.451319] ? genl_family_rcv_msg+0xc40/0xc40 [ 950.455890] ? netlink_ack+0xae0/0xae0 [ 950.459769] ? genl_rcv+0x15/0x40 [ 950.463214] genl_rcv+0x24/0x40 [ 950.466484] netlink_unicast+0x4d5/0x690 [ 950.470542] ? netlink_sendskb+0x110/0x110 [ 950.474767] ? _copy_from_iter_full+0x229/0x7c0 [ 950.479522] ? __phys_addr_symbol+0x2c/0x70 [ 950.483833] ? __check_object_size+0x17b/0x3e0 [ 950.488446] netlink_sendmsg+0x6c3/0xc50 [ 950.492500] ? aa_af_perm+0x230/0x230 [ 950.496311] ? nlmsg_notify+0x1f0/0x1f0 [ 950.500291] ? kernel_recvmsg+0x220/0x220 [ 950.504447] ? nlmsg_notify+0x1f0/0x1f0 [ 950.508417] sock_sendmsg+0xc3/0x120 [ 950.512272] ___sys_sendmsg+0x7bb/0x8e0 [ 950.516267] ? check_preemption_disabled+0x41/0x280 [ 950.521276] ? copy_msghdr_from_user+0x440/0x440 [ 950.526025] ? __fget+0x32f/0x510 [ 950.529472] ? lock_downgrade+0x720/0x720 [ 950.533612] ? check_preemption_disabled+0x41/0x280 [ 950.538646] ? check_preemption_disabled+0x41/0x280 [ 950.543654] ? __fget+0x356/0x510 [ 950.547100] ? do_dup2+0x450/0x450 [ 950.550631] ? lock_downgrade+0x720/0x720 [ 950.554770] ? vfs_write+0x3d7/0x540 [ 950.558476] ? __fdget+0x1d0/0x230 [ 950.562014] __x64_sys_sendmsg+0x132/0x220 [ 950.566240] ? __sys_sendmsg+0x1b0/0x1b0 [ 950.570292] ? vfs_write+0x393/0x540 [ 950.574005] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 950.579360] ? trace_hardirqs_off_caller+0x6e/0x210 [ 950.584369] ? do_syscall_64+0x21/0x620 [ 950.588338] do_syscall_64+0xf9/0x620 [ 950.592136] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 950.597318] RIP: 0033:0x7f1dcd3b15a9 [ 950.601025] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 950.619916] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 950.627702] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 950.634970] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 950.642346] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 950.649607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 950.656867] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 950.728328] nbd: failed to add new device 23:22:56 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000620000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:56 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x103042, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:56 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000074000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:56 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x9) (async, rerun: 64) r3 = openat$vimc0(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) (rerun: 64) write$binfmt_script(r3, &(0x7f0000000100)={'#! ', './file0', [{0x20, '/dev/snapshot\x00'}, {0x20, 'cgroup.procs\x00'}, {0x20, '@*.'}, {0x20, 'cgroup.procs\x00'}, {0x20, '/dev/snapshot\x00'}], 0xa, "123c315dd48a084561a55a9a962306418398a74e2978aa24acb53e5d78c94fe04ace76f59f98b037af57480da4d64563ee08c572f1da9280d00c9b587a3fe4be3e230583b47c5bde124610"}, 0x94) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000040)=ANY=[@ANYBLOB="010000000100010118000000", @ANYRES32=r2, @ANYBLOB='\t\x00\x00\x00\x00\x00\x00e0\x00\x00\x00\x00\x00\x00\x00']) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r4, 0x330f, 0x2) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:22:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x17, {0x29}}, 0x14}}, 0x0) 23:22:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 19) [ 950.758800] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 950.852907] FAULT_INJECTION: forcing a failure. [ 950.852907] name failslab, interval 1, probability 0, space 0, times 0 23:22:56 executing program 0: sendto$inet(0xffffffffffffffff, &(0x7f0000000040)="391b6233c591c8320d90bc1213185a3719fe4930067b3d8c1fdab3a52055ed12e2c93fbd043b4e6d", 0x28, 0x40000, &(0x7f0000000080)={0x2, 0x4e24, @local}, 0x10) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x181d01, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_FREE(r0, 0x3305) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$BLKZEROOUT(r3, 0x127f, &(0x7f00000002c0)={0x7, 0x1}) r4 = dup(r1) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r4, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) sendfile(r5, r6, &(0x7f0000000280)=0x7, 0x1) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) sendto$inet(r4, &(0x7f0000000140)="8b8e834ca2ff59d7297f278af573d2dbe522e37731d9d224865f59af4814c10a10562fcfe77aaa9d67824cbd86f2ccb843770d611e6f08c8af1f76a54e4819d52b2972b54aa6537c9a37d306e1b5331a3515938f18266feca5df2286eaad0fc798c56864c1db3b303a03832ad1018b91bd51782d98ff1edcffe7627f27d9733122bad44851ada5dc4f90a84287124c0c45481d0c504ffdc970a0de7f6f15b6d5845d13337e5bc33813194d8a8a22acc5a3340bf8abe86ec41099", 0xba, 0x400, &(0x7f0000000200)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2a}}, 0x10) r7 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$VIDIOC_S_FREQUENCY(r7, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$F2FS_IOC_DEFRAGMENT(r7, 0xc010f508, &(0x7f00000000c0)={0x8b, 0x7c77d27a}) [ 950.916631] CPU: 1 PID: 6322 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 950.924463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 950.933829] Call Trace: [ 950.936435] dump_stack+0x1fc/0x2ef [ 950.940089] should_fail.cold+0xa/0xf [ 950.943908] ? setup_fault_attr+0x200/0x200 [ 950.948244] ? lock_acquire+0x170/0x3c0 [ 950.952233] ? mempool_free+0x370/0x370 [ 950.956226] ? mempool_free+0x370/0x370 [ 950.960215] __should_failslab+0x115/0x180 [ 950.964471] should_failslab+0x5/0x10 [ 950.968291] kmem_cache_alloc+0x277/0x370 [ 950.972455] ? mempool_alloc+0x350/0x350 [ 950.976532] ? mempool_free+0x370/0x370 [ 950.980514] mempool_init_node+0x2d0/0x6c0 [ 950.984762] ? mempool_alloc+0x350/0x350 [ 950.989002] ? mempool_free+0x370/0x370 [ 950.992969] mempool_init+0x38/0x50 [ 950.996592] bioset_init+0x327/0x810 [ 951.000302] ? kmem_cache_alloc_node+0x351/0x3b0 [ 951.005054] blk_alloc_queue_node+0x189/0xbf0 [ 951.009543] blk_mq_init_queue+0x44/0xa0 [ 951.013601] nbd_dev_add+0x2b9/0x890 [ 951.017309] nbd_genl_connect+0x488/0x1630 [ 951.021541] ? nbd_xmit_timeout+0x730/0x730 [ 951.025866] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 951.031046] ? validate_nla+0x270/0x820 [ 951.035013] ? nla_parse+0x1b2/0x290 [ 951.038725] genl_family_rcv_msg+0x642/0xc40 [ 951.043128] ? genl_rcv+0x40/0x40 [ 951.046571] ? genl_rcv_msg+0x12f/0x160 [ 951.050547] ? mutex_trylock+0x1a0/0x1a0 [ 951.054607] ? __radix_tree_lookup+0x216/0x370 [ 951.059188] genl_rcv_msg+0xbf/0x160 [ 951.062901] netlink_rcv_skb+0x160/0x440 [ 951.066956] ? genl_family_rcv_msg+0xc40/0xc40 [ 951.071532] ? netlink_ack+0xae0/0xae0 [ 951.075422] ? genl_rcv+0x15/0x40 [ 951.078875] genl_rcv+0x24/0x40 [ 951.082144] netlink_unicast+0x4d5/0x690 [ 951.086198] ? netlink_sendskb+0x110/0x110 [ 951.090422] ? _copy_from_iter_full+0x229/0x7c0 [ 951.095081] ? __phys_addr_symbol+0x2c/0x70 [ 951.099521] ? __check_object_size+0x17b/0x3e0 [ 951.104096] netlink_sendmsg+0x6c3/0xc50 [ 951.108150] ? aa_af_perm+0x230/0x230 [ 951.111942] ? nlmsg_notify+0x1f0/0x1f0 [ 951.115902] ? kernel_recvmsg+0x220/0x220 [ 951.120044] ? nlmsg_notify+0x1f0/0x1f0 [ 951.124010] sock_sendmsg+0xc3/0x120 [ 951.127730] ___sys_sendmsg+0x7bb/0x8e0 [ 951.131698] ? check_preemption_disabled+0x41/0x280 [ 951.136707] ? copy_msghdr_from_user+0x440/0x440 [ 951.141455] ? __fget+0x32f/0x510 [ 951.144902] ? lock_downgrade+0x720/0x720 [ 951.149042] ? check_preemption_disabled+0x41/0x280 [ 951.154054] ? check_preemption_disabled+0x41/0x280 [ 951.159063] ? __fget+0x356/0x510 [ 951.162505] ? do_dup2+0x450/0x450 [ 951.166039] ? lock_downgrade+0x720/0x720 [ 951.170180] ? vfs_write+0x3d7/0x540 [ 951.173887] ? __fdget+0x1d0/0x230 [ 951.177421] __x64_sys_sendmsg+0x132/0x220 [ 951.181644] ? __sys_sendmsg+0x1b0/0x1b0 [ 951.185694] ? vfs_write+0x393/0x540 [ 951.189417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 951.194774] ? trace_hardirqs_off_caller+0x6e/0x210 [ 951.199782] ? do_syscall_64+0x21/0x620 [ 951.203750] do_syscall_64+0xf9/0x620 [ 951.207543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 951.212762] RIP: 0033:0x7f1dcd3b15a9 [ 951.216465] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 951.235444] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 951.243144] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 951.250401] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 951.257659] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 23:22:57 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x103042, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 951.264918] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 951.272180] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:57 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r2, 0x330f, 0x54) 23:22:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 20) 23:22:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x18, {0x29}}, 0x14}}, 0x0) [ 951.335377] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 951.361330] nbd: failed to add new device 23:22:57 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000630000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x19, {0x29}}, 0x14}}, 0x0) [ 951.458741] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:57 executing program 0: sendto$inet(0xffffffffffffffff, &(0x7f0000000040)="391b6233c591c8320d90bc1213185a3719fe4930067b3d8c1fdab3a52055ed12e2c93fbd043b4e6d", 0x28, 0x40000, &(0x7f0000000080)={0x2, 0x4e24, @local}, 0x10) (async) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x181d01, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$BLKZEROOUT(r3, 0x127f, &(0x7f00000002c0)={0x7, 0x1}) r4 = dup(r1) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r4, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) sendfile(r5, r6, &(0x7f0000000280)=0x7, 0x1) (async) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) (async) sendto$inet(r4, &(0x7f0000000140)="8b8e834ca2ff59d7297f278af573d2dbe522e37731d9d224865f59af4814c10a10562fcfe77aaa9d67824cbd86f2ccb843770d611e6f08c8af1f76a54e4819d52b2972b54aa6537c9a37d306e1b5331a3515938f18266feca5df2286eaad0fc798c56864c1db3b303a03832ad1018b91bd51782d98ff1edcffe7627f27d9733122bad44851ada5dc4f90a84287124c0c45481d0c504ffdc970a0de7f6f15b6d5845d13337e5bc33813194d8a8a22acc5a3340bf8abe86ec41099", 0xba, 0x400, &(0x7f0000000200)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2a}}, 0x10) (async) r7 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$VIDIOC_S_FREQUENCY(r7, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) ioctl$F2FS_IOC_DEFRAGMENT(r7, 0xc010f508, &(0x7f00000000c0)={0x8b, 0x7c77d27a}) [ 951.505924] FAT-fs (loop1): FAT read failed (blocknr 32) [ 951.533507] FAULT_INJECTION: forcing a failure. [ 951.533507] name failslab, interval 1, probability 0, space 0, times 0 [ 951.576069] CPU: 1 PID: 6355 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 951.584072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 951.593436] Call Trace: [ 951.596039] dump_stack+0x1fc/0x2ef [ 951.599684] should_fail.cold+0xa/0xf [ 951.603499] ? setup_fault_attr+0x200/0x200 [ 951.607825] ? lock_acquire+0x170/0x3c0 [ 951.607846] __should_failslab+0x115/0x180 [ 951.616034] should_failslab+0x5/0x10 [ 951.616052] kmem_cache_alloc+0x277/0x370 [ 951.623960] ? mempool_alloc+0x350/0x350 [ 951.623972] mempool_init_node+0x2d0/0x6c0 [ 951.623989] ? mempool_alloc+0x350/0x350 [ 951.623999] ? mempool_free+0x370/0x370 [ 951.624009] mempool_init+0x38/0x50 [ 951.624025] bioset_init+0x327/0x810 [ 951.624039] ? kmem_cache_alloc_node+0x351/0x3b0 [ 951.624057] blk_alloc_queue_node+0x189/0xbf0 [ 951.624075] blk_mq_init_queue+0x44/0xa0 [ 951.624091] nbd_dev_add+0x2b9/0x890 [ 951.624108] nbd_genl_connect+0x488/0x1630 [ 951.656953] ? nbd_xmit_timeout+0x730/0x730 [ 951.656972] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 951.678478] ? validate_nla+0x270/0x820 [ 951.682475] ? nla_parse+0x1b2/0x290 [ 951.686210] genl_family_rcv_msg+0x642/0xc40 [ 951.690634] ? genl_rcv+0x40/0x40 [ 951.694088] ? genl_rcv_msg+0x12f/0x160 [ 951.698071] ? mutex_trylock+0x1a0/0x1a0 [ 951.702156] ? __radix_tree_lookup+0x216/0x370 [ 951.706758] genl_rcv_msg+0xbf/0x160 [ 951.710491] netlink_rcv_skb+0x160/0x440 [ 951.714569] ? genl_family_rcv_msg+0xc40/0xc40 [ 951.718679] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 951.719156] ? netlink_ack+0xae0/0xae0 [ 951.719173] ? genl_rcv+0x15/0x40 [ 951.719192] genl_rcv+0x24/0x40 [ 951.739486] netlink_unicast+0x4d5/0x690 [ 951.743565] ? netlink_sendskb+0x110/0x110 [ 951.747812] ? _copy_from_iter_full+0x229/0x7c0 [ 951.752497] ? __phys_addr_symbol+0x2c/0x70 [ 951.756827] ? __check_object_size+0x17b/0x3e0 [ 951.761425] netlink_sendmsg+0x6c3/0xc50 [ 951.765504] ? aa_af_perm+0x230/0x230 [ 951.769318] ? nlmsg_notify+0x1f0/0x1f0 [ 951.773303] ? kernel_recvmsg+0x220/0x220 [ 951.777471] ? nlmsg_notify+0x1f0/0x1f0 [ 951.781456] sock_sendmsg+0xc3/0x120 [ 951.785278] ___sys_sendmsg+0x7bb/0x8e0 [ 951.789268] ? check_preemption_disabled+0x41/0x280 [ 951.794299] ? copy_msghdr_from_user+0x440/0x440 [ 951.799072] ? __fget+0x32f/0x510 [ 951.802548] ? lock_downgrade+0x720/0x720 [ 951.806708] ? check_preemption_disabled+0x41/0x280 [ 951.811742] ? check_preemption_disabled+0x41/0x280 [ 951.816777] ? __fget+0x356/0x510 [ 951.820239] ? do_dup2+0x450/0x450 [ 951.823878] ? lock_downgrade+0x720/0x720 [ 951.828035] ? vfs_write+0x3d7/0x540 [ 951.831752] ? __fdget+0x1d0/0x230 [ 951.835303] __x64_sys_sendmsg+0x132/0x220 [ 951.839545] ? __sys_sendmsg+0x1b0/0x1b0 [ 951.843612] ? vfs_write+0x393/0x540 [ 951.847417] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 951.852801] ? trace_hardirqs_off_caller+0x6e/0x210 [ 951.857831] ? do_syscall_64+0x21/0x620 [ 951.861824] do_syscall_64+0xf9/0x620 [ 951.865642] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 951.870843] RIP: 0033:0x7f1dcd3b15a9 [ 951.874564] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 951.893464] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 951.901163] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 951.908416] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 951.915666] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 23:22:57 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000007a000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:57 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r2, 0x330f, 0x54) 23:22:57 executing program 0: sendto$inet(0xffffffffffffffff, &(0x7f0000000040)="391b6233c591c8320d90bc1213185a3719fe4930067b3d8c1fdab3a52055ed12e2c93fbd043b4e6d", 0x28, 0x40000, &(0x7f0000000080)={0x2, 0x4e24, @local}, 0x10) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x181d01, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_FREE(r0, 0x3305) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$BLKZEROOUT(r3, 0x127f, &(0x7f00000002c0)={0x7, 0x1}) r4 = dup(r1) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r4, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) sendfile(r5, r6, &(0x7f0000000280)=0x7, 0x1) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) sendto$inet(r4, &(0x7f0000000140)="8b8e834ca2ff59d7297f278af573d2dbe522e37731d9d224865f59af4814c10a10562fcfe77aaa9d67824cbd86f2ccb843770d611e6f08c8af1f76a54e4819d52b2972b54aa6537c9a37d306e1b5331a3515938f18266feca5df2286eaad0fc798c56864c1db3b303a03832ad1018b91bd51782d98ff1edcffe7627f27d9733122bad44851ada5dc4f90a84287124c0c45481d0c504ffdc970a0de7f6f15b6d5845d13337e5bc33813194d8a8a22acc5a3340bf8abe86ec41099", 0xba, 0x400, &(0x7f0000000200)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2a}}, 0x10) r7 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) ioctl$VIDIOC_S_FREQUENCY(r7, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$F2FS_IOC_DEFRAGMENT(r7, 0xc010f508, &(0x7f00000000c0)={0x8b, 0x7c77d27a}) sendto$inet(0xffffffffffffffff, &(0x7f0000000040)="391b6233c591c8320d90bc1213185a3719fe4930067b3d8c1fdab3a52055ed12e2c93fbd043b4e6d", 0x28, 0x40000, &(0x7f0000000080)={0x2, 0x4e24, @local}, 0x10) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x181d01, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r2) (async) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$BLKZEROOUT(r3, 0x127f, &(0x7f00000002c0)={0x7, 0x1}) (async) dup(r1) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r4, 0xc018937e, &(0x7f0000000240)={{0x1, 0x1, 0x18, r1, {0x4}}, './file0\x00'}) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) sendfile(r5, r6, &(0x7f0000000280)=0x7, 0x1) (async) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) (async) sendto$inet(r4, &(0x7f0000000140)="8b8e834ca2ff59d7297f278af573d2dbe522e37731d9d224865f59af4814c10a10562fcfe77aaa9d67824cbd86f2ccb843770d611e6f08c8af1f76a54e4819d52b2972b54aa6537c9a37d306e1b5331a3515938f18266feca5df2286eaad0fc798c56864c1db3b303a03832ad1018b91bd51782d98ff1edcffe7627f27d9733122bad44851ada5dc4f90a84287124c0c45481d0c504ffdc970a0de7f6f15b6d5845d13337e5bc33813194d8a8a22acc5a3340bf8abe86ec41099", 0xba, 0x400, &(0x7f0000000200)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2a}}, 0x10) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100), 0x8000, 0x0) (async) ioctl$VIDIOC_S_FREQUENCY(r7, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) ioctl$F2FS_IOC_DEFRAGMENT(r7, 0xc010f508, &(0x7f00000000c0)={0x8b, 0x7c77d27a}) (async) 23:22:57 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000680000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 951.922915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 951.930165] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 951.947179] nbd: failed to add new device 23:22:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1a, {0x29}}, 0x14}}, 0x0) 23:22:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 21) 23:22:57 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r2, 0x330f, 0x54) 23:22:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1b, {0x29}}, 0x14}}, 0x0) [ 952.118504] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 952.138755] FAULT_INJECTION: forcing a failure. [ 952.138755] name failslab, interval 1, probability 0, space 0, times 0 [ 952.152447] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:22:58 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000000)) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7fffffff}}, './file0\x00'}) ioctl$SNAPSHOT_FREE(r1, 0x3305) ioctl$BTRFS_IOC_SYNC(r0, 0x9408, 0x0) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x401, 0x0) ioctl$F2FS_IOC_GET_PIN_FILE(r2, 0x8004f50e, &(0x7f0000000080)) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r4 = dup(r3) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$KVM_CAP_MSR_PLATFORM_INFO(r4, 0x4068aea3, &(0x7f00000000c0)={0x9f, 0x0, 0x1}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:22:58 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x244800, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) write(r0, &(0x7f0000000040)="dcdd206067acceaf61855fb1f253abc9e5ebf83bfc6dcedab3ad92795c3b85a09f6b6c2168120f59a1c6d184c05800636485705e75d38567771bd25eb05f68e7f828f2a12fe639cda844b4a21d504f94c5836c186b8498f3d12e83f0815ca07b35a900b87fea5c7a0caa13ebc049eaa6e68eb129d45a42", 0x77) [ 952.175509] FAT-fs (loop1): FAT read failed (blocknr 32) [ 952.206634] CPU: 1 PID: 6398 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 952.214473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 952.223843] Call Trace: [ 952.226458] dump_stack+0x1fc/0x2ef [ 952.230104] should_fail.cold+0xa/0xf [ 952.233933] ? setup_fault_attr+0x200/0x200 [ 952.238265] ? lock_acquire+0x170/0x3c0 [ 952.242263] __should_failslab+0x115/0x180 [ 952.246509] should_failslab+0x5/0x10 [ 952.250321] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 952.255439] __kmalloc_node+0x38/0x70 [ 952.259250] ? mempool_free+0x370/0x370 [ 952.263230] mempool_init_node+0x137/0x6c0 [ 952.267481] ? mempool_alloc+0x350/0x350 [ 952.271546] ? mempool_free+0x370/0x370 23:22:58 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x244800, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) write(r0, &(0x7f0000000040)="dcdd206067acceaf61855fb1f253abc9e5ebf83bfc6dcedab3ad92795c3b85a09f6b6c2168120f59a1c6d184c05800636485705e75d38567771bd25eb05f68e7f828f2a12fe639cda844b4a21d504f94c5836c186b8498f3d12e83f0815ca07b35a900b87fea5c7a0caa13ebc049eaa6e68eb129d45a42", 0x77) [ 952.275524] mempool_init+0x38/0x50 [ 952.279158] bioset_init+0x532/0x810 [ 952.282969] ? kmem_cache_alloc_node+0x351/0x3b0 [ 952.287742] blk_alloc_queue_node+0x189/0xbf0 [ 952.292254] blk_mq_init_queue+0x44/0xa0 [ 952.296336] nbd_dev_add+0x2b9/0x890 [ 952.300061] nbd_genl_connect+0x488/0x1630 [ 952.304324] ? nbd_xmit_timeout+0x730/0x730 [ 952.308666] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 952.313865] ? validate_nla+0x270/0x820 [ 952.317851] ? nla_parse+0x1b2/0x290 [ 952.321582] genl_family_rcv_msg+0x642/0xc40 [ 952.326019] ? genl_rcv+0x40/0x40 [ 952.329476] ? genl_rcv_msg+0x12f/0x160 [ 952.333458] ? mutex_trylock+0x1a0/0x1a0 [ 952.337535] ? __radix_tree_lookup+0x216/0x370 [ 952.342142] genl_rcv_msg+0xbf/0x160 [ 952.345862] netlink_rcv_skb+0x160/0x440 [ 952.349931] ? genl_family_rcv_msg+0xc40/0xc40 [ 952.354523] ? netlink_ack+0xae0/0xae0 [ 952.358421] ? genl_rcv+0x15/0x40 [ 952.361892] genl_rcv+0x24/0x40 [ 952.365179] netlink_unicast+0x4d5/0x690 [ 952.369252] ? netlink_sendskb+0x110/0x110 23:22:58 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x244800, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) write(r0, &(0x7f0000000040)="dcdd206067acceaf61855fb1f253abc9e5ebf83bfc6dcedab3ad92795c3b85a09f6b6c2168120f59a1c6d184c05800636485705e75d38567771bd25eb05f68e7f828f2a12fe639cda844b4a21d504f94c5836c186b8498f3d12e83f0815ca07b35a900b87fea5c7a0caa13ebc049eaa6e68eb129d45a42", 0x77) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x244800, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) write(r0, &(0x7f0000000040)="dcdd206067acceaf61855fb1f253abc9e5ebf83bfc6dcedab3ad92795c3b85a09f6b6c2168120f59a1c6d184c05800636485705e75d38567771bd25eb05f68e7f828f2a12fe639cda844b4a21d504f94c5836c186b8498f3d12e83f0815ca07b35a900b87fea5c7a0caa13ebc049eaa6e68eb129d45a42", 0x77) (async) [ 952.373504] ? _copy_from_iter_full+0x229/0x7c0 [ 952.378184] ? __phys_addr_symbol+0x2c/0x70 [ 952.382522] ? __check_object_size+0x17b/0x3e0 [ 952.387122] netlink_sendmsg+0x6c3/0xc50 [ 952.391210] ? aa_af_perm+0x230/0x230 [ 952.395023] ? nlmsg_notify+0x1f0/0x1f0 [ 952.398997] ? kernel_recvmsg+0x220/0x220 [ 952.403164] ? nlmsg_notify+0x1f0/0x1f0 [ 952.407148] sock_sendmsg+0xc3/0x120 [ 952.410871] ___sys_sendmsg+0x7bb/0x8e0 [ 952.414851] ? copy_msghdr_from_user+0x440/0x440 [ 952.419616] ? mark_held_locks+0xa6/0xf0 [ 952.423690] ? finish_task_switch+0x118/0x760 [ 952.428200] ? __fget+0x32f/0x510 [ 952.431668] ? lock_downgrade+0x720/0x720 [ 952.435816] ? check_preemption_disabled+0x41/0x280 [ 952.440842] ? check_preemption_disabled+0x41/0x280 [ 952.445873] ? __fget+0x356/0x510 [ 952.449338] ? do_dup2+0x450/0x450 [ 952.452907] ? lock_downgrade+0x720/0x720 [ 952.457086] ? vfs_write+0x3d7/0x540 [ 952.460812] ? __fdget+0x1d0/0x230 [ 952.464369] __x64_sys_sendmsg+0x132/0x220 [ 952.468602] ? __sys_sendmsg+0x1b0/0x1b0 [ 952.472661] ? vfs_write+0x393/0x540 [ 952.476378] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 952.481752] ? trace_hardirqs_off_caller+0x6e/0x210 [ 952.486770] ? do_syscall_64+0x21/0x620 [ 952.490766] do_syscall_64+0xf9/0x620 [ 952.494577] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 952.499756] RIP: 0033:0x7f1dcd3b15a9 [ 952.503470] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 952.522377] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 952.530081] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 952.537458] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 952.544816] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 952.552283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 952.559734] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 952.577034] nbd: failed to add new device 23:22:58 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000c0ed000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:58 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000000)) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7fffffff}}, './file0\x00'}) ioctl$SNAPSHOT_FREE(r1, 0x3305) ioctl$BTRFS_IOC_SYNC(r0, 0x9408, 0x0) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x401, 0x0) ioctl$F2FS_IOC_GET_PIN_FILE(r2, 0x8004f50e, &(0x7f0000000080)) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r4 = dup(r3) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$KVM_CAP_MSR_PLATFORM_INFO(r4, 0x4068aea3, &(0x7f00000000c0)={0x9f, 0x0, 0x1}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000000)) (async) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7fffffff}}, './file0\x00'}) (async) ioctl$SNAPSHOT_FREE(r1, 0x3305) (async) ioctl$BTRFS_IOC_SYNC(r0, 0x9408, 0x0) (async) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x401, 0x0) (async) ioctl$F2FS_IOC_GET_PIN_FILE(r2, 0x8004f50e, &(0x7f0000000080)) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r3) (async) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$KVM_CAP_MSR_PLATFORM_INFO(r4, 0x4068aea3, &(0x7f00000000c0)={0x9f, 0x0, 0x1}) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) 23:22:58 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x81, 0x202902) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) r2 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x400, 0x0) ioctl$DRM_IOCTL_SET_VERSION(r2, 0xc0106407, &(0x7f0000000100)={0xf9d7, 0x3, 0x155, 0x9}) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x6}) ioctl$BTRFS_IOC_DEV_INFO(r0, 0xd000941e, &(0x7f0000000440)={0x0, "4016be519ef88a3b9a0aa26f7d5542df"}) ioctl$BTRFS_IOC_DEV_INFO(r1, 0xd000941e, &(0x7f0000001440)={r3, "2149be262fa7cd1ec3444cc793290fcf"}) r4 = socket$inet6_udplite(0xa, 0x2, 0x88) connect$inet6(r4, &(0x7f0000000140)={0xa, 0x4e22, 0xdd17, @local, 0x86}, 0x1c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 23:22:58 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000006c0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 22) 23:22:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1c, {0x29}}, 0x14}}, 0x0) 23:22:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1d, {0x29}}, 0x14}}, 0x0) 23:22:58 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x81, 0x202902) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) r2 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x400, 0x0) ioctl$DRM_IOCTL_SET_VERSION(r2, 0xc0106407, &(0x7f0000000100)={0xf9d7, 0x3, 0x155, 0x9}) (async) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x6}) (async) ioctl$BTRFS_IOC_DEV_INFO(r0, 0xd000941e, &(0x7f0000000440)={0x0, "4016be519ef88a3b9a0aa26f7d5542df"}) ioctl$BTRFS_IOC_DEV_INFO(r1, 0xd000941e, &(0x7f0000001440)={r3, "2149be262fa7cd1ec3444cc793290fcf"}) (async) r4 = socket$inet6_udplite(0xa, 0x2, 0x88) connect$inet6(r4, &(0x7f0000000140)={0xa, 0x4e22, 0xdd17, @local, 0x86}, 0x1c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 23:22:58 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000000)) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7fffffff}}, './file0\x00'}) ioctl$SNAPSHOT_FREE(r1, 0x3305) ioctl$BTRFS_IOC_SYNC(r0, 0x9408, 0x0) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x401, 0x0) ioctl$F2FS_IOC_GET_PIN_FILE(r2, 0x8004f50e, &(0x7f0000000080)) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r4 = dup(r3) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$KVM_CAP_MSR_PLATFORM_INFO(r4, 0x4068aea3, &(0x7f00000000c0)={0x9f, 0x0, 0x1}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000000)) (async) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7fffffff}}, './file0\x00'}) (async) ioctl$SNAPSHOT_FREE(r1, 0x3305) (async) ioctl$BTRFS_IOC_SYNC(r0, 0x9408, 0x0) (async) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000040), 0x401, 0x0) (async) ioctl$F2FS_IOC_GET_PIN_FILE(r2, 0x8004f50e, &(0x7f0000000080)) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r3) (async) write$6lowpan_enable(r4, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$KVM_CAP_MSR_PLATFORM_INFO(r4, 0x4068aea3, &(0x7f00000000c0)={0x9f, 0x0, 0x1}) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) [ 952.791288] FAULT_INJECTION: forcing a failure. [ 952.791288] name failslab, interval 1, probability 0, space 0, times 0 [ 952.816236] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 952.834740] CPU: 0 PID: 6464 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 952.842559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 952.851915] Call Trace: [ 952.854506] dump_stack+0x1fc/0x2ef [ 952.858131] should_fail.cold+0xa/0xf [ 952.861924] ? setup_fault_attr+0x200/0x200 [ 952.866238] ? lock_acquire+0x170/0x3c0 [ 952.870201] ? mempool_free+0x370/0x370 [ 952.874265] ? mempool_free+0x370/0x370 [ 952.878227] __should_failslab+0x115/0x180 [ 952.882453] should_failslab+0x5/0x10 [ 952.886243] kmem_cache_alloc+0x277/0x370 [ 952.890382] ? mempool_alloc+0x350/0x350 [ 952.894431] ? mempool_free+0x370/0x370 [ 952.898396] mempool_init_node+0x2d0/0x6c0 [ 952.902623] ? mempool_alloc+0x350/0x350 [ 952.906670] ? mempool_free+0x370/0x370 [ 952.910632] mempool_init+0x38/0x50 [ 952.914252] bioset_init+0x532/0x810 [ 952.917953] ? kmem_cache_alloc_node+0x351/0x3b0 [ 952.922704] blk_alloc_queue_node+0x189/0xbf0 [ 952.927197] blk_mq_init_queue+0x44/0xa0 [ 952.931248] nbd_dev_add+0x2b9/0x890 [ 952.934954] nbd_genl_connect+0x488/0x1630 [ 952.939197] ? nbd_xmit_timeout+0x730/0x730 [ 952.943513] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 952.949159] ? validate_nla+0x270/0x820 [ 952.953126] ? nla_parse+0x1b2/0x290 [ 952.956834] genl_family_rcv_msg+0x642/0xc40 [ 952.961239] ? genl_rcv+0x40/0x40 [ 952.964681] ? genl_rcv_msg+0x12f/0x160 [ 952.968647] ? mutex_trylock+0x1a0/0x1a0 [ 952.972714] ? __radix_tree_lookup+0x216/0x370 [ 952.977291] genl_rcv_msg+0xbf/0x160 [ 952.981082] netlink_rcv_skb+0x160/0x440 [ 952.985135] ? genl_family_rcv_msg+0xc40/0xc40 [ 952.989713] ? netlink_ack+0xae0/0xae0 [ 952.993594] ? genl_rcv+0x15/0x40 [ 952.997042] genl_rcv+0x24/0x40 [ 953.000311] netlink_unicast+0x4d5/0x690 [ 953.004369] ? netlink_sendskb+0x110/0x110 [ 953.008594] ? _copy_from_iter_full+0x229/0x7c0 [ 953.013254] ? __phys_addr_symbol+0x2c/0x70 [ 953.017570] ? __check_object_size+0x17b/0x3e0 [ 953.022148] netlink_sendmsg+0x6c3/0xc50 [ 953.026200] ? aa_af_perm+0x230/0x230 [ 953.029991] ? nlmsg_notify+0x1f0/0x1f0 [ 953.033954] ? kernel_recvmsg+0x220/0x220 [ 953.038096] ? nlmsg_notify+0x1f0/0x1f0 [ 953.042061] sock_sendmsg+0xc3/0x120 [ 953.045764] ___sys_sendmsg+0x7bb/0x8e0 [ 953.049734] ? check_preemption_disabled+0x41/0x280 [ 953.054825] ? copy_msghdr_from_user+0x440/0x440 [ 953.059573] ? __fget+0x32f/0x510 [ 953.063025] ? lock_downgrade+0x720/0x720 [ 953.067163] ? check_preemption_disabled+0x41/0x280 [ 953.072174] ? check_preemption_disabled+0x41/0x280 [ 953.077184] ? __fget+0x356/0x510 [ 953.080633] ? do_dup2+0x450/0x450 [ 953.084161] ? lock_downgrade+0x720/0x720 [ 953.088301] ? vfs_write+0x3d7/0x540 [ 953.092008] ? __fdget+0x1d0/0x230 [ 953.095542] __x64_sys_sendmsg+0x132/0x220 [ 953.099768] ? __sys_sendmsg+0x1b0/0x1b0 [ 953.103823] ? vfs_write+0x393/0x540 [ 953.107536] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 953.112890] ? trace_hardirqs_off_caller+0x6e/0x210 [ 953.117900] ? do_syscall_64+0x21/0x620 [ 953.121868] do_syscall_64+0xf9/0x620 [ 953.125661] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 953.130841] RIP: 0033:0x7f1dcd3b15a9 [ 953.134543] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 953.153432] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 953.161127] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 953.168385] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 953.175641] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 953.182900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 953.190170] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:59 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000740000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 23) 23:22:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1e, {0x29}}, 0x14}}, 0x0) [ 953.269623] nbd: failed to add new device [ 953.297972] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 953.344216] FAT-fs (loop1): FAT read failed (blocknr 32) [ 953.395295] FAULT_INJECTION: forcing a failure. [ 953.395295] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 953.407236] CPU: 0 PID: 6500 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 953.415129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 953.424482] Call Trace: [ 953.427081] dump_stack+0x1fc/0x2ef [ 953.430713] should_fail.cold+0xa/0xf [ 953.434509] ? setup_fault_attr+0x200/0x200 [ 953.438820] ? is_bpf_text_address+0xfc/0x1b0 [ 953.443308] ? kernel_text_address+0xbd/0xf0 [ 953.447711] __alloc_pages_nodemask+0x239/0x2890 [ 953.452465] ? __lock_acquire+0x6de/0x3ff0 [ 953.456692] ? __kmalloc_node+0x4c/0x70 [ 953.460655] ? mempool_init_node+0x137/0x6c0 [ 953.465150] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 953.469984] ? blk_mq_init_queue+0x44/0xa0 [ 953.474208] ? nbd_dev_add+0x2b9/0x890 [ 953.478085] ? nbd_genl_connect+0x488/0x1630 [ 953.482481] ? genl_family_rcv_msg+0x642/0xc40 [ 953.487051] ? genl_rcv_msg+0xbf/0x160 [ 953.490940] ? netlink_rcv_skb+0x160/0x440 [ 953.495179] ? do_syscall_64+0xf9/0x620 [ 953.499151] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 953.504670] ? kasan_kmalloc+0x139/0x160 [ 953.508735] ? kmem_cache_alloc_node+0x146/0x3b0 [ 953.513492] ? should_fail+0x142/0x7b0 [ 953.517640] ? fs_reclaim_release+0xd0/0x110 [ 953.522043] cache_grow_begin+0xa4/0x8a0 [ 953.526091] ? setup_fault_attr+0x200/0x200 [ 953.530399] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 953.535146] cache_alloc_refill+0x273/0x340 [ 953.539467] kmem_cache_alloc+0x346/0x370 [ 953.543602] ? mempool_alloc+0x350/0x350 [ 953.547649] ? mempool_free+0x370/0x370 [ 953.551608] mempool_init_node+0x2d0/0x6c0 [ 953.555836] ? mempool_alloc+0x350/0x350 [ 953.559882] ? mempool_free+0x370/0x370 [ 953.563841] mempool_init+0x38/0x50 [ 953.567456] bioset_init+0x532/0x810 [ 953.571170] ? kmem_cache_alloc_node+0x351/0x3b0 [ 953.575921] blk_alloc_queue_node+0x189/0xbf0 [ 953.580419] blk_mq_init_queue+0x44/0xa0 [ 953.584474] nbd_dev_add+0x2b9/0x890 [ 953.588180] nbd_genl_connect+0x488/0x1630 [ 953.592420] ? nbd_xmit_timeout+0x730/0x730 [ 953.596734] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 953.601917] ? validate_nla+0x270/0x820 [ 953.605906] ? nla_parse+0x1b2/0x290 [ 953.609613] genl_family_rcv_msg+0x642/0xc40 [ 953.614012] ? genl_rcv+0x40/0x40 [ 953.617452] ? genl_rcv_msg+0x12f/0x160 [ 953.621422] ? mutex_trylock+0x1a0/0x1a0 [ 953.625479] ? __radix_tree_lookup+0x216/0x370 [ 953.630061] genl_rcv_msg+0xbf/0x160 [ 953.633771] netlink_rcv_skb+0x160/0x440 [ 953.637827] ? genl_family_rcv_msg+0xc40/0xc40 [ 953.642407] ? netlink_ack+0xae0/0xae0 [ 953.646289] ? genl_rcv+0x15/0x40 [ 953.649747] genl_rcv+0x24/0x40 [ 953.653013] netlink_unicast+0x4d5/0x690 [ 953.657069] ? netlink_sendskb+0x110/0x110 [ 953.661292] ? _copy_from_iter_full+0x229/0x7c0 [ 953.665951] ? __phys_addr_symbol+0x2c/0x70 [ 953.670353] ? __check_object_size+0x17b/0x3e0 [ 953.674925] netlink_sendmsg+0x6c3/0xc50 [ 953.678975] ? aa_af_perm+0x230/0x230 [ 953.682763] ? nlmsg_notify+0x1f0/0x1f0 [ 953.686753] ? kernel_recvmsg+0x220/0x220 [ 953.690897] ? nlmsg_notify+0x1f0/0x1f0 [ 953.694862] sock_sendmsg+0xc3/0x120 [ 953.698576] ___sys_sendmsg+0x7bb/0x8e0 [ 953.702547] ? check_preemption_disabled+0x41/0x280 [ 953.707640] ? copy_msghdr_from_user+0x440/0x440 [ 953.712391] ? __fget+0x32f/0x510 [ 953.715839] ? lock_downgrade+0x720/0x720 [ 953.719979] ? check_preemption_disabled+0x41/0x280 [ 953.724994] ? check_preemption_disabled+0x41/0x280 [ 953.730009] ? __fget+0x356/0x510 [ 953.733453] ? do_dup2+0x450/0x450 [ 953.736984] ? lock_downgrade+0x720/0x720 [ 953.741133] ? vfs_write+0x3d7/0x540 [ 953.744842] ? __fdget+0x1d0/0x230 [ 953.748379] __x64_sys_sendmsg+0x132/0x220 [ 953.752605] ? __sys_sendmsg+0x1b0/0x1b0 [ 953.756657] ? vfs_write+0x393/0x540 [ 953.760377] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 953.765735] ? trace_hardirqs_off_caller+0x6e/0x210 [ 953.770746] ? do_syscall_64+0x21/0x620 [ 953.774718] do_syscall_64+0xf9/0x620 [ 953.778514] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 953.783697] RIP: 0033:0x7f1dcd3b15a9 [ 953.787403] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 953.806394] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 953.815163] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 953.822427] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 953.829690] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 953.836950] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 953.844207] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:22:59 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) r1 = openat$incfs(0xffffffffffffffff, &(0x7f0000000080)='.log\x00', 0x80, 0x4) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xf4e) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x8, &(0x7f0000000140)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x4}, [@kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @cb_func={0x18, 0x5, 0x4, 0x0, 0x1}, @alu={0x4, 0x1, 0xd, 0x7, 0xa, 0xfffffffffffffff0, 0xfffffffffffffff0}, @jmp={0x5, 0x0, 0xd, 0x5, 0x2, 0xc, 0xffffffffffffffff}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x2, '\x00', 0x0, 0x0, r1, 0x8, &(0x7f00000001c0)={0xa, 0x2}, 0x8, 0x10, &(0x7f0000000200)={0x1, 0x10, 0xa31, 0x9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r1, r1, r1, r1, r1]}, 0x80) ioctl$F2FS_IOC_MOVE_RANGE(r2, 0xc020f509, &(0x7f0000000300)={r3, 0x3f, 0x400, 0x4}) ioctl$F2FS_IOC_GARBAGE_COLLECT(r1, 0x4004f506, &(0x7f00000000c0)) r4 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/custom1\x00', 0x2, 0x0) fcntl$setownex(r4, 0xf, &(0x7f0000000040)={0x0, 0xffffffffffffffff}) 23:22:59 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x81, 0x202902) (async) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) r2 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x400, 0x0) ioctl$DRM_IOCTL_SET_VERSION(r2, 0xc0106407, &(0x7f0000000100)={0xf9d7, 0x3, 0x155, 0x9}) (async) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x6}) (async) ioctl$BTRFS_IOC_DEV_INFO(r0, 0xd000941e, &(0x7f0000000440)={0x0, "4016be519ef88a3b9a0aa26f7d5542df"}) ioctl$BTRFS_IOC_DEV_INFO(r1, 0xd000941e, &(0x7f0000001440)={r3, "2149be262fa7cd1ec3444cc793290fcf"}) (async) r4 = socket$inet6_udplite(0xa, 0x2, 0x88) connect$inet6(r4, &(0x7f0000000140)={0xa, 0x4e22, 0xdd17, @local, 0x86}, 0x1c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) 23:22:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f80000100002000000000000f8000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x21, {0x29}}, 0x14}}, 0x0) 23:22:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 24) [ 953.882057] nbd: couldn't find device at index -1577385984 [ 953.959915] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:22:59 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = openat$incfs(0xffffffffffffffff, &(0x7f0000000080)='.log\x00', 0x80, 0x4) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xf4e) r2 = socket$inet_udp(0x2, 0x2, 0x0) (async) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x8, &(0x7f0000000140)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x4}, [@kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @cb_func={0x18, 0x5, 0x4, 0x0, 0x1}, @alu={0x4, 0x1, 0xd, 0x7, 0xa, 0xfffffffffffffff0, 0xfffffffffffffff0}, @jmp={0x5, 0x0, 0xd, 0x5, 0x2, 0xc, 0xffffffffffffffff}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x2, '\x00', 0x0, 0x0, r1, 0x8, &(0x7f00000001c0)={0xa, 0x2}, 0x8, 0x10, &(0x7f0000000200)={0x1, 0x10, 0xa31, 0x9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r1, r1, r1, r1, r1]}, 0x80) ioctl$F2FS_IOC_MOVE_RANGE(r2, 0xc020f509, &(0x7f0000000300)={r3, 0x3f, 0x400, 0x4}) ioctl$F2FS_IOC_GARBAGE_COLLECT(r1, 0x4004f506, &(0x7f00000000c0)) (async) r4 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/custom1\x00', 0x2, 0x0) fcntl$setownex(r4, 0xf, &(0x7f0000000040)={0x0, 0xffffffffffffffff}) 23:22:59 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000007a0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:22:59 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_FREE(r0, 0x3305) 23:22:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x22, {0x29}}, 0x14}}, 0x0) 23:22:59 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) r1 = openat$incfs(0xffffffffffffffff, &(0x7f0000000080)='.log\x00', 0x80, 0x4) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r0, 0x8008330e, &(0x7f0000000100)) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r0, 0x330f, 0xf4e) (async) r2 = socket$inet_udp(0x2, 0x2, 0x0) (async, rerun: 32) r3 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x8, &(0x7f0000000140)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x4}, [@kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @cb_func={0x18, 0x5, 0x4, 0x0, 0x1}, @alu={0x4, 0x1, 0xd, 0x7, 0xa, 0xfffffffffffffff0, 0xfffffffffffffff0}, @jmp={0x5, 0x0, 0xd, 0x5, 0x2, 0xc, 0xffffffffffffffff}]}, &(0x7f0000000180)='syzkaller\x00', 0x5, 0x0, 0x0, 0x41100, 0x2, '\x00', 0x0, 0x0, r1, 0x8, &(0x7f00000001c0)={0xa, 0x2}, 0x8, 0x10, &(0x7f0000000200)={0x1, 0x10, 0xa31, 0x9}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000240)=[r1, r1, r1, r1, r1]}, 0x80) (rerun: 32) ioctl$F2FS_IOC_MOVE_RANGE(r2, 0xc020f509, &(0x7f0000000300)={r3, 0x3f, 0x400, 0x4}) (async, rerun: 64) ioctl$F2FS_IOC_GARBAGE_COLLECT(r1, 0x4004f506, &(0x7f00000000c0)) (rerun: 64) r4 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000000)='./binderfs/custom1\x00', 0x2, 0x0) fcntl$setownex(r4, 0xf, &(0x7f0000000040)={0x0, 0xffffffffffffffff}) [ 954.078636] FAULT_INJECTION: forcing a failure. [ 954.078636] name failslab, interval 1, probability 0, space 0, times 0 [ 954.103753] CPU: 1 PID: 6519 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 954.111585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 954.117575] Restarting kernel threads ... done. [ 954.120942] Call Trace: [ 954.120966] dump_stack+0x1fc/0x2ef [ 954.120984] should_fail.cold+0xa/0xf [ 954.121001] ? setup_fault_attr+0x200/0x200 [ 954.121014] ? lock_acquire+0x170/0x3c0 [ 954.121033] __should_failslab+0x115/0x180 [ 954.121049] should_failslab+0x5/0x10 [ 954.121061] kmem_cache_alloc+0x277/0x370 [ 954.121079] ? mempool_alloc+0x350/0x350 [ 954.160201] mempool_init_node+0x2d0/0x6c0 [ 954.164453] ? mempool_alloc+0x350/0x350 [ 954.168558] ? mempool_free+0x370/0x370 [ 954.172543] mempool_init+0x38/0x50 [ 954.176179] bioset_init+0x532/0x810 [ 954.179902] ? kmem_cache_alloc_node+0x351/0x3b0 [ 954.184686] blk_alloc_queue_node+0x189/0xbf0 [ 954.189183] blk_mq_init_queue+0x44/0xa0 [ 954.193277] nbd_dev_add+0x2b9/0x890 [ 954.196987] nbd_genl_connect+0x488/0x1630 [ 954.201224] ? nbd_xmit_timeout+0x730/0x730 [ 954.205537] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 954.210717] ? validate_nla+0x270/0x820 [ 954.214684] ? nla_parse+0x1b2/0x290 [ 954.218396] genl_family_rcv_msg+0x642/0xc40 [ 954.222801] ? genl_rcv+0x40/0x40 [ 954.226329] ? genl_rcv_msg+0x12f/0x160 [ 954.230309] ? mutex_trylock+0x1a0/0x1a0 [ 954.234368] ? __radix_tree_lookup+0x216/0x370 [ 954.238946] genl_rcv_msg+0xbf/0x160 [ 954.242658] netlink_rcv_skb+0x160/0x440 [ 954.246709] ? genl_family_rcv_msg+0xc40/0xc40 [ 954.251280] ? netlink_ack+0xae0/0xae0 [ 954.255184] ? genl_rcv+0x15/0x40 [ 954.259157] genl_rcv+0x24/0x40 [ 954.262427] netlink_unicast+0x4d5/0x690 [ 954.266481] ? netlink_sendskb+0x110/0x110 [ 954.270706] ? _copy_from_iter_full+0x229/0x7c0 [ 954.275381] ? __phys_addr_symbol+0x2c/0x70 [ 954.279728] ? __check_object_size+0x17b/0x3e0 [ 954.284311] netlink_sendmsg+0x6c3/0xc50 [ 954.288369] ? aa_af_perm+0x230/0x230 [ 954.292159] ? nlmsg_notify+0x1f0/0x1f0 [ 954.296119] ? kernel_recvmsg+0x220/0x220 [ 954.300267] ? nlmsg_notify+0x1f0/0x1f0 [ 954.304236] sock_sendmsg+0xc3/0x120 [ 954.307941] ___sys_sendmsg+0x7bb/0x8e0 [ 954.311907] ? check_preemption_disabled+0x41/0x280 [ 954.316912] ? copy_msghdr_from_user+0x440/0x440 [ 954.321663] ? __fget+0x32f/0x510 [ 954.325114] ? lock_downgrade+0x720/0x720 [ 954.329251] ? check_preemption_disabled+0x41/0x280 [ 954.334258] ? check_preemption_disabled+0x41/0x280 [ 954.339282] ? __fget+0x356/0x510 [ 954.342744] ? do_dup2+0x450/0x450 [ 954.346288] ? lock_downgrade+0x720/0x720 [ 954.350427] ? vfs_write+0x3d7/0x540 [ 954.354134] ? __fdget+0x1d0/0x230 [ 954.357697] __x64_sys_sendmsg+0x132/0x220 [ 954.361921] ? __sys_sendmsg+0x1b0/0x1b0 [ 954.365969] ? vfs_write+0x393/0x540 [ 954.369685] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 954.375049] ? trace_hardirqs_off_caller+0x6e/0x210 [ 954.380059] ? do_syscall_64+0x21/0x620 [ 954.384024] do_syscall_64+0xf9/0x620 [ 954.387821] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 954.392997] RIP: 0033:0x7f1dcd3b15a9 [ 954.396701] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 954.415674] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:23:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) [ 954.423390] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 954.430646] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 954.437901] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 954.445156] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 954.452422] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:00 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x424142, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 954.511972] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 954.539820] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_FREE(r0, 0x3305) 23:23:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f80000100002000000000000ff000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 954.592962] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:00 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x424142, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:00 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000fc0000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 25) 23:23:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) write$snapshot(r0, &(0x7f0000000040)="c32b0eae6669a689a938bbd11819a5c09b676e39c1532446ccd4d3e467f8006ac81282deb24f", 0x26) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1e, &(0x7f0000000000), 0x4) 23:23:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x23, {0x29}}, 0x14}}, 0x0) 23:23:00 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x424142, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x424142, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) [ 954.720529] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 954.734304] Restarting kernel threads ... done. [ 954.747609] FAT-fs (loop1): FAT read failed (blocknr 32) [ 954.751908] nbd: failed to add new device 23:23:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000fff000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) write$snapshot(r0, &(0x7f0000000040)="c32b0eae6669a689a938bbd11819a5c09b676e39c1532446ccd4d3e467f8006ac81282deb24f", 0x26) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) (async) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1e, &(0x7f0000000000), 0x4) 23:23:00 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) write$snapshot(r0, &(0x7f0000000040)="c32b0eae6669a689a938bbd11819a5c09b676e39c1532446ccd4d3e467f8006ac81282deb24f", 0x26) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1e, &(0x7f0000000000), 0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) write$snapshot(r0, &(0x7f0000000040)="c32b0eae6669a689a938bbd11819a5c09b676e39c1532446ccd4d3e467f8006ac81282deb24f", 0x26) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000080)) (async) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1e, &(0x7f0000000000), 0x4) (async) [ 954.907809] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:00 executing program 0: r0 = accept4$llc(0xffffffffffffffff, &(0x7f0000000080)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000000c0)=0x10, 0x800) ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000100)) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f00000002c0), 0x478180, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @initdev, @empty}, &(0x7f0000000780)=0xc) write$proc_mixer(r1, &(0x7f0000000300)=[{'RECLEV', @void}, {'DIGITAL2', @void}, {'LINE2', @void}, {'LINE3', @val={' \'', 'Synth Capture'}}], 0x41) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r1, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0xfffffffb, 0x1f, 0x1ff, 0x6], 0x4, 0x800, 0x0, 0xffffffffffffffff}) sendmsg$NL80211_CMD_SET_REG(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x300, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x24040811}, 0x8080) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000380)={0x0, 0xeb60, 0x8000000000000001, 0x1}) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) [ 954.962694] FAULT_INJECTION: forcing a failure. [ 954.962694] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 954.974525] CPU: 0 PID: 6585 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 954.982331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 954.991695] Call Trace: [ 954.994308] dump_stack+0x1fc/0x2ef [ 954.997952] should_fail.cold+0xa/0xf [ 955.001773] ? setup_fault_attr+0x200/0x200 [ 955.006109] ? is_bpf_text_address+0xfc/0x1b0 23:23:00 executing program 0: r0 = accept4$llc(0xffffffffffffffff, &(0x7f0000000080)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000000c0)=0x10, 0x800) ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000100)) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f00000002c0), 0x478180, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @initdev, @empty}, &(0x7f0000000780)=0xc) write$proc_mixer(r1, &(0x7f0000000300)=[{'RECLEV', @void}, {'DIGITAL2', @void}, {'LINE2', @void}, {'LINE3', @val={' \'', 'Synth Capture'}}], 0x41) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r1, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0xfffffffb, 0x1f, 0x1ff, 0x6], 0x4, 0x800, 0x0, 0xffffffffffffffff}) sendmsg$NL80211_CMD_SET_REG(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x300, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x24040811}, 0x8080) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000380)={0x0, 0xeb60, 0x8000000000000001, 0x1}) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) accept4$llc(0xffffffffffffffff, &(0x7f0000000080)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000000c0)=0x10, 0x800) (async) ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000100)) (async) openat$bsg(0xffffffffffffff9c, &(0x7f00000002c0), 0x478180, 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r2) (async) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @initdev, @empty}, &(0x7f0000000780)=0xc) (async) write$proc_mixer(r1, &(0x7f0000000300)=[{'RECLEV', @void}, {'DIGITAL2', @void}, {'LINE2', @void}, {'LINE3', @val={' \'', 'Synth Capture'}}], 0x41) (async) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r1, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0xfffffffb, 0x1f, 0x1ff, 0x6], 0x4, 0x800}) (async) sendmsg$NL80211_CMD_SET_REG(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x300, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x24040811}, 0x8080) (async) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000380)={0x0, 0xeb60, 0x8000000000000001, 0x1}) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (async) [ 955.010621] ? kernel_text_address+0xbd/0xf0 [ 955.015045] __alloc_pages_nodemask+0x239/0x2890 [ 955.019825] ? __lock_acquire+0x6de/0x3ff0 [ 955.024073] ? mempool_init+0x38/0x50 [ 955.027884] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 955.032737] ? nbd_genl_connect+0x488/0x1630 [ 955.037156] ? genl_family_rcv_msg+0x642/0xc40 [ 955.041836] ? genl_rcv_msg+0xbf/0x160 [ 955.045732] ? netlink_rcv_skb+0x160/0x440 [ 955.049970] ? genl_rcv+0x24/0x40 [ 955.053428] ? netlink_unicast+0x4d5/0x690 [ 955.057669] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 955.063029] ? kasan_kmalloc+0x139/0x160 [ 955.067091] ? cache_alloc_refill+0x2f8/0x340 [ 955.071584] cache_grow_begin+0xa4/0x8a0 [ 955.075636] ? setup_fault_attr+0x200/0x200 [ 955.079950] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 955.084701] cache_alloc_refill+0x273/0x340 [ 955.089015] kmem_cache_alloc+0x346/0x370 [ 955.093151] ? mempool_alloc+0x350/0x350 [ 955.097200] mempool_init_node+0x2d0/0x6c0 [ 955.101425] ? mempool_alloc+0x350/0x350 [ 955.105473] ? mempool_free+0x370/0x370 [ 955.109440] mempool_init+0x38/0x50 [ 955.113060] bioset_init+0x532/0x810 [ 955.116784] ? kmem_cache_alloc_node+0x351/0x3b0 [ 955.121531] blk_alloc_queue_node+0x189/0xbf0 [ 955.126036] blk_mq_init_queue+0x44/0xa0 [ 955.130091] nbd_dev_add+0x2b9/0x890 [ 955.133794] nbd_genl_connect+0x488/0x1630 [ 955.138024] ? nbd_xmit_timeout+0x730/0x730 [ 955.142359] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 955.147546] ? validate_nla+0x270/0x820 [ 955.151511] ? nla_parse+0x1b2/0x290 [ 955.155223] genl_family_rcv_msg+0x642/0xc40 [ 955.159623] ? genl_rcv+0x40/0x40 [ 955.163065] ? genl_rcv_msg+0x12f/0x160 [ 955.167029] ? mutex_trylock+0x1a0/0x1a0 [ 955.171087] ? __radix_tree_lookup+0x216/0x370 [ 955.175665] genl_rcv_msg+0xbf/0x160 [ 955.179369] netlink_rcv_skb+0x160/0x440 [ 955.183422] ? genl_family_rcv_msg+0xc40/0xc40 [ 955.187991] ? netlink_ack+0xae0/0xae0 [ 955.191877] ? genl_rcv+0x15/0x40 [ 955.195327] genl_rcv+0x24/0x40 [ 955.198594] netlink_unicast+0x4d5/0x690 [ 955.202648] ? netlink_sendskb+0x110/0x110 [ 955.206881] ? _copy_from_iter_full+0x229/0x7c0 [ 955.211549] ? __phys_addr_symbol+0x2c/0x70 [ 955.215860] ? __check_object_size+0x17b/0x3e0 [ 955.220432] netlink_sendmsg+0x6c3/0xc50 [ 955.224484] ? aa_af_perm+0x230/0x230 [ 955.228272] ? nlmsg_notify+0x1f0/0x1f0 [ 955.232234] ? kernel_recvmsg+0x220/0x220 [ 955.236377] ? nlmsg_notify+0x1f0/0x1f0 [ 955.240343] sock_sendmsg+0xc3/0x120 [ 955.244046] ___sys_sendmsg+0x7bb/0x8e0 [ 955.248016] ? check_preemption_disabled+0x41/0x280 [ 955.253021] ? copy_msghdr_from_user+0x440/0x440 [ 955.257766] ? __fget+0x32f/0x510 [ 955.261221] ? lock_downgrade+0x720/0x720 [ 955.265360] ? check_preemption_disabled+0x41/0x280 [ 955.270368] ? check_preemption_disabled+0x41/0x280 [ 955.275379] ? __fget+0x356/0x510 [ 955.278823] ? do_dup2+0x450/0x450 [ 955.282353] ? lock_downgrade+0x720/0x720 [ 955.286493] ? vfs_write+0x3d7/0x540 [ 955.290213] ? __fdget+0x1d0/0x230 [ 955.293747] __x64_sys_sendmsg+0x132/0x220 [ 955.297987] ? __sys_sendmsg+0x1b0/0x1b0 [ 955.302054] ? vfs_write+0x393/0x540 [ 955.305779] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 955.311135] ? trace_hardirqs_off_caller+0x6e/0x210 [ 955.316141] ? do_syscall_64+0x21/0x620 [ 955.320107] do_syscall_64+0xf9/0x620 [ 955.323907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 955.329084] RIP: 0033:0x7f1dcd3b15a9 [ 955.332785] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 955.351673] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:23:01 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 955.359384] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 955.366652] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 955.373911] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 955.381169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 955.388537] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:01 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 955.427458] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 955.439874] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 26) 23:23:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000020001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:01 executing program 0: r0 = accept4$llc(0xffffffffffffffff, &(0x7f0000000080)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f00000000c0)=0x10, 0x800) ioctl$EXT4_IOC_GETFSUUID(r0, 0x8008662c, &(0x7f0000000100)) (async, rerun: 32) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f00000002c0), 0x478180, 0x0) (async, rerun: 32) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @initdev, @empty}, &(0x7f0000000780)=0xc) (async) write$proc_mixer(r1, &(0x7f0000000300)=[{'RECLEV', @void}, {'DIGITAL2', @void}, {'LINE2', @void}, {'LINE3', @val={' \'', 'Synth Capture'}}], 0x41) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r1, 0xc01864c6, &(0x7f0000000180)={&(0x7f0000000140)=[0xfffffffb, 0x1f, 0x1ff, 0x6], 0x4, 0x800, 0x0, 0xffffffffffffffff}) sendmsg$NL80211_CMD_SET_REG(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0x300, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x24040811}, 0x8080) (async) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f0000000380)={0x0, 0xeb60, 0x8000000000000001, 0x1}) (async, rerun: 64) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (rerun: 64) 23:23:01 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x24, {0x29}}, 0x14}}, 0x0) [ 955.589216] nbd: couldn't find device at index -1577385984 [ 955.598198] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:01 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000840300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 955.719426] FAULT_INJECTION: forcing a failure. [ 955.719426] name failslab, interval 1, probability 0, space 0, times 0 [ 955.766298] CPU: 0 PID: 6629 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 955.774160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 955.783513] Call Trace: [ 955.786100] dump_stack+0x1fc/0x2ef [ 955.789723] should_fail.cold+0xa/0xf [ 955.793518] ? setup_fault_attr+0x200/0x200 [ 955.797835] ? lock_acquire+0x170/0x3c0 [ 955.801804] __should_failslab+0x115/0x180 [ 955.806037] should_failslab+0x5/0x10 [ 955.809835] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 955.814930] bdi_alloc_node+0x5c/0xd0 [ 955.818719] blk_alloc_queue_node+0x1af/0xbf0 [ 955.823256] blk_mq_init_queue+0x44/0xa0 [ 955.827361] nbd_dev_add+0x2b9/0x890 [ 955.831067] nbd_genl_connect+0x488/0x1630 [ 955.835301] ? nbd_xmit_timeout+0x730/0x730 [ 955.839613] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 955.844794] ? validate_nla+0x270/0x820 [ 955.848765] ? nla_parse+0x1b2/0x290 [ 955.852473] genl_family_rcv_msg+0x642/0xc40 [ 955.856877] ? genl_rcv+0x40/0x40 [ 955.860319] ? genl_rcv_msg+0x12f/0x160 [ 955.864281] ? mutex_trylock+0x1a0/0x1a0 [ 955.868340] ? __radix_tree_lookup+0x216/0x370 [ 955.872917] genl_rcv_msg+0xbf/0x160 [ 955.876621] netlink_rcv_skb+0x160/0x440 [ 955.880675] ? genl_family_rcv_msg+0xc40/0xc40 [ 955.885248] ? netlink_ack+0xae0/0xae0 [ 955.889128] ? genl_rcv+0x15/0x40 [ 955.892577] genl_rcv+0x24/0x40 [ 955.895859] netlink_unicast+0x4d5/0x690 [ 955.899916] ? netlink_sendskb+0x110/0x110 [ 955.904137] ? _copy_from_iter_full+0x229/0x7c0 [ 955.908800] ? __phys_addr_symbol+0x2c/0x70 [ 955.913116] ? __check_object_size+0x17b/0x3e0 [ 955.917691] netlink_sendmsg+0x6c3/0xc50 [ 955.921742] ? aa_af_perm+0x230/0x230 [ 955.925715] ? nlmsg_notify+0x1f0/0x1f0 [ 955.929685] ? kernel_recvmsg+0x220/0x220 [ 955.933831] ? nlmsg_notify+0x1f0/0x1f0 [ 955.937795] sock_sendmsg+0xc3/0x120 [ 955.941508] ___sys_sendmsg+0x7bb/0x8e0 [ 955.945483] ? check_preemption_disabled+0x41/0x280 [ 955.950486] ? copy_msghdr_from_user+0x440/0x440 [ 955.955233] ? __fget+0x32f/0x510 [ 955.958682] ? lock_downgrade+0x720/0x720 [ 955.962825] ? check_preemption_disabled+0x41/0x280 [ 955.967837] ? check_preemption_disabled+0x41/0x280 [ 955.972842] ? __fget+0x356/0x510 [ 955.976284] ? do_dup2+0x450/0x450 [ 955.979820] ? lock_downgrade+0x720/0x720 [ 955.983957] ? vfs_write+0x3d7/0x540 [ 955.987662] ? __fdget+0x1d0/0x230 [ 955.991197] __x64_sys_sendmsg+0x132/0x220 [ 955.995421] ? __sys_sendmsg+0x1b0/0x1b0 [ 955.999558] ? vfs_write+0x393/0x540 [ 956.003269] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 956.009056] ? trace_hardirqs_off_caller+0x6e/0x210 [ 956.014104] ? do_syscall_64+0x21/0x620 [ 956.018068] do_syscall_64+0xf9/0x620 [ 956.021951] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 956.027128] RIP: 0033:0x7f1dcd3b15a9 [ 956.030828] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 956.050584] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 956.059152] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 956.066876] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 956.074237] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 956.081515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 956.089036] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:01 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x1fdc82, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x25, {0x29}}, 0x14}}, 0x0) [ 956.124485] nbd: failed to add new device [ 956.130794] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 956.147477] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 27) [ 956.207758] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:02 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000040001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:02 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000870300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:02 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x1fdc82, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x1fdc82, 0x0) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) 23:23:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x26, {0x29}}, 0x14}}, 0x0) 23:23:02 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x8000) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r4 = openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r3, 0x330f, 0x3) r5 = dup(r2) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x1000, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0xa0, &(0x7f0000000cc0)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=r7, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e74f067726974792c726573697a653d30783030303030301e0400000000000030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x152, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0x8a0, &(0x7f0000000440)=ANY=[@ANYBLOB='uid=', @ANYRESHEX, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e746567726974792c726573697a653d3078303030300100303030303030303030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) mount$9p_fd(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140), 0x2, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@cachetag={'cachetag', 0x3d, '0'}}, {@noextend}, {@cachetag={'cachetag', 0x3d, 'cgroup.procs\x00'}}], [{@euid_lt={'euid<', r7}}, {@obj_user={'obj_user', 0x3d, '0'}}, {@uid_lt={'uid<', r8}}, {@fsname={'fsname', 0x3d, '\x00'}}, {@subj_type={'subj_type', 0x3d, '0'}}, {@smackfsroot}]}}) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={r6, 0x4, 0x8000, 0x6}) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r5, 0x330f, 0x3) openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x8) [ 956.399369] FAULT_INJECTION: forcing a failure. [ 956.399369] name failslab, interval 1, probability 0, space 0, times 0 [ 956.435121] CPU: 0 PID: 6663 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 956.442954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 956.452309] Call Trace: [ 956.454901] dump_stack+0x1fc/0x2ef [ 956.458524] should_fail.cold+0xa/0xf [ 956.462319] ? setup_fault_attr+0x200/0x200 [ 956.466628] ? lock_acquire+0x170/0x3c0 [ 956.470598] __should_failslab+0x115/0x180 [ 956.474827] should_failslab+0x5/0x10 [ 956.478615] kmem_cache_alloc_trace+0x284/0x380 [ 956.483275] wb_congested_get_create+0x180/0x3a0 [ 956.488022] wb_init+0x4a7/0x770 [ 956.491377] ? __raw_spin_lock_init+0x28/0x100 [ 956.495949] bdi_init+0x29c/0x410 [ 956.499400] bdi_alloc_node+0x76/0xd0 [ 956.503192] blk_alloc_queue_node+0x1af/0xbf0 [ 956.507682] blk_mq_init_queue+0x44/0xa0 [ 956.511750] nbd_dev_add+0x2b9/0x890 [ 956.515466] nbd_genl_connect+0x488/0x1630 [ 956.519817] ? nbd_xmit_timeout+0x730/0x730 [ 956.524140] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 956.529329] ? validate_nla+0x270/0x820 [ 956.533309] ? nla_parse+0x1b2/0x290 [ 956.537021] genl_family_rcv_msg+0x642/0xc40 [ 956.541429] ? genl_rcv+0x40/0x40 [ 956.544872] ? genl_rcv_msg+0x12f/0x160 [ 956.549128] ? mutex_trylock+0x1a0/0x1a0 [ 956.553207] ? __radix_tree_lookup+0x216/0x370 [ 956.557792] genl_rcv_msg+0xbf/0x160 [ 956.561518] netlink_rcv_skb+0x160/0x440 [ 956.565569] ? genl_family_rcv_msg+0xc40/0xc40 [ 956.570139] ? netlink_ack+0xae0/0xae0 [ 956.574152] ? genl_rcv+0x15/0x40 [ 956.577600] genl_rcv+0x24/0x40 [ 956.580871] netlink_unicast+0x4d5/0x690 [ 956.584926] ? netlink_sendskb+0x110/0x110 [ 956.589160] ? _copy_from_iter_full+0x229/0x7c0 [ 956.593819] ? __phys_addr_symbol+0x2c/0x70 [ 956.598132] ? __check_object_size+0x17b/0x3e0 [ 956.602714] netlink_sendmsg+0x6c3/0xc50 [ 956.606772] ? aa_af_perm+0x230/0x230 [ 956.610560] ? nlmsg_notify+0x1f0/0x1f0 [ 956.614524] ? kernel_recvmsg+0x220/0x220 [ 956.618665] ? nlmsg_notify+0x1f0/0x1f0 [ 956.622629] sock_sendmsg+0xc3/0x120 [ 956.626333] ___sys_sendmsg+0x7bb/0x8e0 [ 956.630299] ? check_preemption_disabled+0x41/0x280 [ 956.635303] ? copy_msghdr_from_user+0x440/0x440 [ 956.640045] ? __fget+0x32f/0x510 [ 956.643493] ? lock_downgrade+0x720/0x720 [ 956.647629] ? check_preemption_disabled+0x41/0x280 [ 956.652636] ? check_preemption_disabled+0x41/0x280 [ 956.657645] ? __fget+0x356/0x510 [ 956.661090] ? do_dup2+0x450/0x450 [ 956.664617] ? lock_downgrade+0x720/0x720 [ 956.668755] ? vfs_write+0x3d7/0x540 [ 956.672460] ? __fdget+0x1d0/0x230 [ 956.675996] __x64_sys_sendmsg+0x132/0x220 [ 956.680220] ? __sys_sendmsg+0x1b0/0x1b0 [ 956.684270] ? vfs_write+0x393/0x540 [ 956.687980] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 956.693334] ? trace_hardirqs_off_caller+0x6e/0x210 [ 956.698341] ? do_syscall_64+0x21/0x620 [ 956.702313] do_syscall_64+0xf9/0x620 [ 956.706282] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 956.711458] RIP: 0033:0x7f1dcd3b15a9 [ 956.715159] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 956.734045] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 956.741750] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 956.749008] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 956.756268] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 956.763521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 956.770781] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:02 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x8000) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r4 = openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async, rerun: 32) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r3, 0x330f, 0x3) (rerun: 32) r5 = dup(r2) (async) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x1000, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0xa0, &(0x7f0000000cc0)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=r7, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e74f067726974792c726573697a653d30783030303030301e0400000000000030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) (async) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) (async) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x152, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0x8a0, &(0x7f0000000440)=ANY=[@ANYBLOB='uid=', @ANYRESHEX, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e746567726974792c726573697a653d3078303030300100303030303030303030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) mount$9p_fd(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140), 0x2, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@cachetag={'cachetag', 0x3d, '0'}}, {@noextend}, {@cachetag={'cachetag', 0x3d, 'cgroup.procs\x00'}}], [{@euid_lt={'euid<', r7}}, {@obj_user={'obj_user', 0x3d, '0'}}, {@uid_lt={'uid<', r8}}, {@fsname={'fsname', 0x3d, '\x00'}}, {@subj_type={'subj_type', 0x3d, '0'}}, {@smackfsroot}]}}) (async, rerun: 64) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async, rerun: 64) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={r6, 0x4, 0x8000, 0x6}) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r5, 0x330f, 0x3) (async) openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x8) 23:23:02 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x1fdc82, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 956.827964] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:02 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000880300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:02 executing program 3: ioctl$DRM_IOCTL_MODE_GETPLANE(0xffffffffffffffff, 0xc02064b6, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000001c0)={0x0, &(0x7f0000000140)=""/65}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0), 0x101000, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f0000000100)) [ 956.925967] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 956.939220] nbd: failed to add new device 23:23:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x27, {0x29}}, 0x14}}, 0x0) 23:23:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 28) [ 956.976160] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:02 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x8000) (async) r3 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r4 = openat$cgroup_procs(r3, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r3, 0x330f, 0x3) (async) r5 = dup(r2) (async) r6 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x1000, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0xa0, &(0x7f0000000cc0)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=r7, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e74f067726974792c726573697a653d30783030303030301e0400000000000030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) (async) statx(0xffffffffffffffff, &(0x7f0000000180)='./file0\x00', 0x1000, 0x40, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$jfs(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x152, 0x3, &(0x7f0000000800)=[{&(0x7f0000000680)="ee6cb5", 0x3, 0x2}, {&(0x7f00000007c0)="cc", 0x1, 0x5}, {&(0x7f0000000700)="46b5a2f63dce994328381918b796d7e6c7b8abf61a5aaf57b8d49b86f9c40210982004252ab2519bb7b6a52fb0f37f69106ca5226a13fd483f0fcbd4a0bda00099dc913f3ff8ff46033b8d3f3a1b317dbd0f2d78f6c7b8b9b8f960dea8392a569e8a962f9d5be2a83fde10691b4be1575114481b0e1f691c84dc1b5dad20319e27e83a363f0c25e35cd0e8ef6d38810d64742b1179fb17e360f0f49561af5694acfa678006d9a7c1fa05ce637698a0ff5c5c4ffc63b3416dd4", 0xb9, 0x6}], 0x8a0, &(0x7f0000000440)=ANY=[@ANYBLOB='uid=', @ANYRESHEX, @ANYBLOB="2c6e6f696e746567726974792c71faf474612c6e6f71756f74612c6e6f696e746567726974792c726573697a653d3078303030300100303030303030303030612c7065726d69745f646972656374696f2c61707072616973652c00ff2ac65bd54d"], 0x0) mount$9p_fd(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140), 0x2, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}, 0x2c, {[{@cachetag={'cachetag', 0x3d, '0'}}, {@noextend}, {@cachetag={'cachetag', 0x3d, 'cgroup.procs\x00'}}], [{@euid_lt={'euid<', r7}}, {@obj_user={'obj_user', 0x3d, '0'}}, {@uid_lt={'uid<', r8}}, {@fsname={'fsname', 0x3d, '\x00'}}, {@subj_type={'subj_type', 0x3d, '0'}}, {@smackfsroot}]}}) ioctl$VIDIOC_S_FREQUENCY(r6, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={r6, 0x4, 0x8000, 0x6}) (async) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r5, 0x330f, 0x3) (async) openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r1, 0x3312, 0x8) 23:23:02 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000060001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x28, {0x29}}, 0x14}}, 0x0) 23:23:03 executing program 3: ioctl$DRM_IOCTL_MODE_GETPLANE(0xffffffffffffffff, 0xc02064b6, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000001c0)={0x0, &(0x7f0000000140)=""/65}) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0), 0x101000, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f0000000100)) 23:23:03 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000890300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 957.117817] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 957.196176] FAULT_INJECTION: forcing a failure. [ 957.196176] name failslab, interval 1, probability 0, space 0, times 0 [ 957.225740] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 957.238068] CPU: 1 PID: 6706 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 957.245890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 957.255248] Call Trace: [ 957.257851] dump_stack+0x1fc/0x2ef [ 957.261503] should_fail.cold+0xa/0xf [ 957.265320] ? setup_fault_attr+0x200/0x200 [ 957.269653] ? lock_acquire+0x170/0x3c0 [ 957.273647] __should_failslab+0x115/0x180 [ 957.277896] should_failslab+0x5/0x10 [ 957.281711] kmem_cache_alloc_trace+0x284/0x380 [ 957.286400] blk_alloc_queue_stats+0x3c/0x100 [ 957.290907] blk_alloc_queue_node+0x1eb/0xbf0 [ 957.295418] blk_mq_init_queue+0x44/0xa0 [ 957.299489] nbd_dev_add+0x2b9/0x890 [ 957.303219] nbd_genl_connect+0x488/0x1630 [ 957.307469] ? nbd_xmit_timeout+0x730/0x730 [ 957.311803] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 957.318136] ? validate_nla+0x270/0x820 [ 957.322128] ? nla_parse+0x1b2/0x290 [ 957.325861] genl_family_rcv_msg+0x642/0xc40 [ 957.330289] ? genl_rcv+0x40/0x40 [ 957.333753] ? genl_rcv_msg+0x12f/0x160 [ 957.337740] ? mutex_trylock+0x1a0/0x1a0 [ 957.341821] ? __radix_tree_lookup+0x216/0x370 23:23:03 executing program 3: ioctl$DRM_IOCTL_MODE_GETPLANE(0xffffffffffffffff, 0xc02064b6, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x7, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) (async) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f00000001c0)={0x0, &(0x7f0000000140)=""/65}) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x40000, 0x0) r2 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0), 0x101000, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f0000000100)) [ 957.346570] genl_rcv_msg+0xbf/0x160 [ 957.350301] netlink_rcv_skb+0x160/0x440 [ 957.354384] ? genl_family_rcv_msg+0xc40/0xc40 [ 957.358981] ? netlink_ack+0xae0/0xae0 [ 957.359244] FAT-fs (loop1): FAT read failed (blocknr 32) [ 957.362873] ? genl_rcv+0x15/0x40 [ 957.362892] genl_rcv+0x24/0x40 [ 957.362907] netlink_unicast+0x4d5/0x690 [ 957.362923] ? netlink_sendskb+0x110/0x110 [ 957.362938] ? _copy_from_iter_full+0x229/0x7c0 [ 957.362954] ? __phys_addr_symbol+0x2c/0x70 [ 957.362971] ? __check_object_size+0x17b/0x3e0 [ 957.362986] netlink_sendmsg+0x6c3/0xc50 [ 957.363003] ? aa_af_perm+0x230/0x230 [ 957.363016] ? nlmsg_notify+0x1f0/0x1f0 [ 957.363027] ? kernel_recvmsg+0x220/0x220 [ 957.363045] ? nlmsg_notify+0x1f0/0x1f0 [ 957.363060] sock_sendmsg+0xc3/0x120 [ 957.363076] ___sys_sendmsg+0x7bb/0x8e0 [ 957.424593] ? check_preemption_disabled+0x41/0x280 [ 957.429601] ? copy_msghdr_from_user+0x440/0x440 [ 957.434347] ? __fget+0x32f/0x510 [ 957.437789] ? lock_downgrade+0x720/0x720 [ 957.441925] ? check_preemption_disabled+0x41/0x280 [ 957.446928] ? check_preemption_disabled+0x41/0x280 [ 957.451935] ? __fget+0x356/0x510 [ 957.455386] ? do_dup2+0x450/0x450 [ 957.459007] ? lock_downgrade+0x720/0x720 [ 957.463143] ? vfs_write+0x3d7/0x540 [ 957.466844] ? __fdget+0x1d0/0x230 [ 957.470396] __x64_sys_sendmsg+0x132/0x220 [ 957.474660] ? __sys_sendmsg+0x1b0/0x1b0 [ 957.478715] ? vfs_write+0x393/0x540 [ 957.482424] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 957.488725] ? trace_hardirqs_off_caller+0x6e/0x210 [ 957.493726] ? do_syscall_64+0x21/0x620 [ 957.497688] do_syscall_64+0xf9/0x620 [ 957.501480] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 957.506657] RIP: 0033:0x7f1dcd3b15a9 [ 957.510357] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 957.529246] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 957.537065] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:23:03 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x210002, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:03 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000080001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 957.544339] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 957.551607] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 957.558879] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 957.567872] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x29, {0x29}}, 0x14}}, 0x0) 23:23:03 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x210002, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 29) [ 957.654798] nbd: failed to add new device 23:23:03 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = open(&(0x7f0000000180)='./file0/file0\x00', 0x80, 0xc4) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f00000001c0)) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) sendmsg$nl_netfilter(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0xff, 0x3, 0x201, 0x70bd27, 0x25dfdbfb, {0x3, 0x0, 0xa}, [@generic="f247d7d365c8c7417dc0f42b51da9b616a80bd4cd90c659a6497669e95ee4e2c8cd74d1270b4ba3e9ea55123d2630566a58f813683cea7a0cc8bc6eed188d090ce3e8619e98cd37769670bbf120ee0014c7e7a34821a488b4f28f86bb344ebcfcf52eff5bb9fb556fb8da89942de65dcdc1ac5f2d86554"]}, 0x8c}, 0x1, 0x0, 0x0, 0x8000}, 0x4048840) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:03 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x210002, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x210002, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2a, {0x29}}, 0x14}}, 0x0) [ 957.795967] FAULT_INJECTION: forcing a failure. [ 957.795967] name failslab, interval 1, probability 0, space 0, times 0 [ 957.822109] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 957.841640] CPU: 1 PID: 6749 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 957.849468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 957.858827] Call Trace: [ 957.861429] dump_stack+0x1fc/0x2ef [ 957.865071] should_fail.cold+0xa/0xf [ 957.868881] ? setup_fault_attr+0x200/0x200 [ 957.873212] ? lock_acquire+0x170/0x3c0 [ 957.877199] __should_failslab+0x115/0x180 [ 957.881455] should_failslab+0x5/0x10 [ 957.885274] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 957.890388] blkg_alloc+0x92/0x630 [ 957.893950] blkcg_init_queue+0x24/0x540 [ 957.898023] blk_alloc_queue_node+0x7d0/0xbf0 [ 957.902533] blk_mq_init_queue+0x44/0xa0 [ 957.906605] nbd_dev_add+0x2b9/0x890 [ 957.910332] nbd_genl_connect+0x488/0x1630 [ 957.914577] ? nbd_xmit_timeout+0x730/0x730 [ 957.918928] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 957.924123] ? validate_nla+0x270/0x820 [ 957.924946] FAT-fs (loop1): FAT read failed (blocknr 32) [ 957.928103] ? nla_parse+0x1b2/0x290 [ 957.928125] genl_family_rcv_msg+0x642/0xc40 [ 957.928146] ? genl_rcv+0x40/0x40 23:23:03 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = open(&(0x7f0000000180)='./file0/file0\x00', 0x80, 0xc4) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f00000001c0)) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) sendmsg$nl_netfilter(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0xff, 0x3, 0x201, 0x70bd27, 0x25dfdbfb, {0x3, 0x0, 0xa}, [@generic="f247d7d365c8c7417dc0f42b51da9b616a80bd4cd90c659a6497669e95ee4e2c8cd74d1270b4ba3e9ea55123d2630566a58f813683cea7a0cc8bc6eed188d090ce3e8619e98cd37769670bbf120ee0014c7e7a34821a488b4f28f86bb344ebcfcf52eff5bb9fb556fb8da89942de65dcdc1ac5f2d86554"]}, 0x8c}, 0x1, 0x0, 0x0, 0x8000}, 0x4048840) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (async) open(&(0x7f0000000180)='./file0/file0\x00', 0x80, 0xc4) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f00000001c0)) (async) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) sendmsg$nl_netfilter(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0xff, 0x3, 0x201, 0x70bd27, 0x25dfdbfb, {0x3, 0x0, 0xa}, [@generic="f247d7d365c8c7417dc0f42b51da9b616a80bd4cd90c659a6497669e95ee4e2c8cd74d1270b4ba3e9ea55123d2630566a58f813683cea7a0cc8bc6eed188d090ce3e8619e98cd37769670bbf120ee0014c7e7a34821a488b4f28f86bb344ebcfcf52eff5bb9fb556fb8da89942de65dcdc1ac5f2d86554"]}, 0x8c}, 0x1, 0x0, 0x0, 0x8000}, 0x4048840) (async) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) (async) [ 957.928159] ? genl_rcv_msg+0x12f/0x160 [ 957.928171] ? mutex_trylock+0x1a0/0x1a0 [ 957.928192] ? __radix_tree_lookup+0x216/0x370 [ 957.957729] genl_rcv_msg+0xbf/0x160 [ 957.961467] netlink_rcv_skb+0x160/0x440 [ 957.965539] ? genl_family_rcv_msg+0xc40/0xc40 [ 957.970130] ? netlink_ack+0xae0/0xae0 [ 957.974031] ? genl_rcv+0x15/0x40 [ 957.977494] genl_rcv+0x24/0x40 [ 957.980781] netlink_unicast+0x4d5/0x690 [ 957.984854] ? netlink_sendskb+0x110/0x110 [ 957.989101] ? _copy_from_iter_full+0x229/0x7c0 [ 957.993779] ? __phys_addr_symbol+0x2c/0x70 [ 957.998115] ? __check_object_size+0x17b/0x3e0 [ 958.002799] netlink_sendmsg+0x6c3/0xc50 [ 958.006875] ? aa_af_perm+0x230/0x230 [ 958.010684] ? nlmsg_notify+0x1f0/0x1f0 [ 958.014663] ? kernel_recvmsg+0x220/0x220 [ 958.018826] ? nlmsg_notify+0x1f0/0x1f0 [ 958.022814] sock_sendmsg+0xc3/0x120 [ 958.026535] ___sys_sendmsg+0x7bb/0x8e0 [ 958.030513] ? check_preemption_disabled+0x41/0x280 [ 958.035518] ? copy_msghdr_from_user+0x440/0x440 [ 958.040263] ? __fget+0x32f/0x510 [ 958.043744] ? lock_downgrade+0x720/0x720 [ 958.048016] ? check_preemption_disabled+0x41/0x280 [ 958.053044] ? check_preemption_disabled+0x41/0x280 [ 958.058078] ? __fget+0x356/0x510 [ 958.061530] ? do_dup2+0x450/0x450 [ 958.065060] ? lock_downgrade+0x720/0x720 [ 958.069197] ? vfs_write+0x3d7/0x540 [ 958.072905] ? __fdget+0x1d0/0x230 [ 958.076455] __x64_sys_sendmsg+0x132/0x220 [ 958.080685] ? __sys_sendmsg+0x1b0/0x1b0 [ 958.084742] ? vfs_write+0x393/0x540 [ 958.088463] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 958.093818] ? trace_hardirqs_off_caller+0x6e/0x210 [ 958.098825] ? do_syscall_64+0x21/0x620 [ 958.102788] do_syscall_64+0xf9/0x620 [ 958.106580] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 958.111759] RIP: 0033:0x7f1dcd3b15a9 [ 958.115487] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 958.134373] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:23:04 executing program 0: perf_event_open(&(0x7f0000000100)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000001540), 0x0, 0x0) r1 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) close(r1) r2 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x2) perf_event_open(&(0x7f0000000300)={0x0, 0x80, 0x2, 0x3f, 0xec, 0x6, 0x0, 0x1, 0x0, 0xd, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x2, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x5e6b, 0xf78}, 0x10, 0x4, 0x8, 0x6, 0x3f, 0x0, 0x7, 0x0, 0xffffffff, 0x0, 0x1f}, 0xffffffffffffffff, 0x2, 0xffffffffffffffff, 0x0) ioctl$TUNGETFILTER(0xffffffffffffffff, 0x801054db, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, 0x0) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x3, 0x7f, 0x2, 0x0, 0x8, 0xa10, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffffc, 0x0, @perf_bp={&(0x7f0000000280), 0x8}, 0x1000, 0x1000, 0x7, 0x2, 0x1, 0x2, 0x9, 0x0, 0x31, 0x0, 0x4}, 0x0, 0x0, r2, 0xb) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x4a}) close(r0) r3 = openat$tun(0xffffffffffffff9c, &(0x7f00000002c0), 0x280, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f00000001c0)='rxrpc_retransmit\x00'}, 0x10) perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='hugetlb.1GB.usage_in_bytes\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x1800}) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x600, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) [ 958.142067] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 958.149321] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 958.156575] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 958.163832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 958.171085] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 958.221909] nbd: failed to add new device 23:23:04 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008a0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f80000100002000000000000000a0001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2b, {0x29}}, 0x14}}, 0x0) 23:23:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 30) 23:23:04 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (async) r2 = open(&(0x7f0000000180)='./file0/file0\x00', 0x80, 0xc4) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r2, 0x80083313, &(0x7f00000001c0)) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) sendmsg$nl_netfilter(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0xff, 0x3, 0x201, 0x70bd27, 0x25dfdbfb, {0x3, 0x0, 0xa}, [@generic="f247d7d365c8c7417dc0f42b51da9b616a80bd4cd90c659a6497669e95ee4e2c8cd74d1270b4ba3e9ea55123d2630566a58f813683cea7a0cc8bc6eed188d090ce3e8619e98cd37769670bbf120ee0014c7e7a34821a488b4f28f86bb344ebcfcf52eff5bb9fb556fb8da89942de65dcdc1ac5f2d86554"]}, 0x8c}, 0x1, 0x0, 0x0, 0x8000}, 0x4048840) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:04 executing program 0: perf_event_open(&(0x7f0000000100)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000001540), 0x0, 0x0) (async) r1 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) close(r1) (async) r2 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x2) (async) perf_event_open(&(0x7f0000000300)={0x0, 0x80, 0x2, 0x3f, 0xec, 0x6, 0x0, 0x1, 0x0, 0xd, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x2, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x5e6b, 0xf78}, 0x10, 0x4, 0x8, 0x6, 0x3f, 0x0, 0x7, 0x0, 0xffffffff, 0x0, 0x1f}, 0xffffffffffffffff, 0x2, 0xffffffffffffffff, 0x0) ioctl$TUNGETFILTER(0xffffffffffffffff, 0x801054db, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, 0x0) (async) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x3, 0x7f, 0x2, 0x0, 0x8, 0xa10, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffffc, 0x0, @perf_bp={&(0x7f0000000280), 0x8}, 0x1000, 0x1000, 0x7, 0x2, 0x1, 0x2, 0x9, 0x0, 0x31, 0x0, 0x4}, 0x0, 0x0, r2, 0xb) (async) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x4a}) (async) close(r0) (async) r3 = openat$tun(0xffffffffffffff9c, &(0x7f00000002c0), 0x280, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f00000001c0)='rxrpc_retransmit\x00'}, 0x10) perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='hugetlb.1GB.usage_in_bytes\x00', 0x0, 0x0) (async) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x1800}) (async) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x600, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) [ 958.309762] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2c, {0x29}}, 0x14}}, 0x0) 23:23:04 executing program 0: perf_event_open(&(0x7f0000000100)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x2, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async, rerun: 32) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000001540), 0x0, 0x0) (async, rerun: 32) r1 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) close(r1) (async) r2 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x2) (async) perf_event_open(&(0x7f0000000300)={0x0, 0x80, 0x2, 0x3f, 0xec, 0x6, 0x0, 0x1, 0x0, 0xd, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x2, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x5e6b, 0xf78}, 0x10, 0x4, 0x8, 0x6, 0x3f, 0x0, 0x7, 0x0, 0xffffffff, 0x0, 0x1f}, 0xffffffffffffffff, 0x2, 0xffffffffffffffff, 0x0) (async) ioctl$TUNGETFILTER(0xffffffffffffffff, 0x801054db, 0x0) (async, rerun: 64) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, 0x0) (rerun: 64) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x3, 0x7f, 0x2, 0x0, 0x8, 0xa10, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffffc, 0x0, @perf_bp={&(0x7f0000000280), 0x8}, 0x1000, 0x1000, 0x7, 0x2, 0x1, 0x2, 0x9, 0x0, 0x31, 0x0, 0x4}, 0x0, 0x0, r2, 0xb) (async, rerun: 64) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x4a}) (rerun: 64) close(r0) (async, rerun: 32) r3 = openat$tun(0xffffffffffffff9c, &(0x7f00000002c0), 0x280, 0x0) (rerun: 32) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000380)={&(0x7f00000001c0)='rxrpc_retransmit\x00'}, 0x10) perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x1a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='hugetlb.1GB.usage_in_bytes\x00', 0x0, 0x0) (async) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x1800}) (async) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x600, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) [ 958.422797] FAULT_INJECTION: forcing a failure. [ 958.422797] name failslab, interval 1, probability 0, space 0, times 0 [ 958.459272] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:23:04 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x160203, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 958.485741] FAT-fs (loop1): FAT read failed (blocknr 32) [ 958.505317] CPU: 0 PID: 6797 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 958.513151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 958.522508] Call Trace: [ 958.525114] dump_stack+0x1fc/0x2ef [ 958.528766] should_fail.cold+0xa/0xf [ 958.532584] ? setup_fault_attr+0x200/0x200 [ 958.536913] ? lock_acquire+0x170/0x3c0 [ 958.540902] __should_failslab+0x115/0x180 [ 958.545154] should_failslab+0x5/0x10 [ 958.548962] kmem_cache_alloc_trace+0x284/0x380 [ 958.553646] blk_iolatency_init+0x47/0x2d0 [ 958.557892] blkcg_init_queue+0x1c1/0x540 [ 958.562053] blk_alloc_queue_node+0x7d0/0xbf0 [ 958.566564] blk_mq_init_queue+0x44/0xa0 [ 958.570636] nbd_dev_add+0x2b9/0x890 [ 958.574352] nbd_genl_connect+0x488/0x1630 [ 958.578598] ? io_schedule_timeout+0x140/0x140 [ 958.578620] ? nbd_xmit_timeout+0x730/0x730 [ 958.578637] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 958.578655] ? validate_nla+0x270/0x820 [ 958.596682] ? nla_parse+0x1b2/0x290 [ 958.600406] genl_family_rcv_msg+0x642/0xc40 [ 958.604816] ? genl_rcv+0x40/0x40 [ 958.604829] ? genl_rcv_msg+0x12f/0x160 [ 958.604842] ? mutex_trylock+0x1a0/0x1a0 [ 958.604864] ? __radix_tree_lookup+0x216/0x370 [ 958.616316] genl_rcv_msg+0xbf/0x160 [ 958.616338] netlink_rcv_skb+0x160/0x440 [ 958.628647] ? genl_family_rcv_msg+0xc40/0xc40 [ 958.633238] ? netlink_ack+0xae0/0xae0 [ 958.637144] ? genl_rcv+0x15/0x40 [ 958.640616] genl_rcv+0x24/0x40 [ 958.643894] netlink_unicast+0x4d5/0x690 [ 958.647961] ? netlink_sendskb+0x110/0x110 [ 958.652200] ? _copy_from_iter_full+0x229/0x7c0 [ 958.656879] ? __phys_addr_symbol+0x2c/0x70 [ 958.661209] ? __check_object_size+0x17b/0x3e0 [ 958.665799] netlink_sendmsg+0x6c3/0xc50 [ 958.669869] ? aa_af_perm+0x230/0x230 [ 958.673675] ? nlmsg_notify+0x1f0/0x1f0 [ 958.677650] ? kernel_recvmsg+0x220/0x220 [ 958.681898] ? nlmsg_notify+0x1f0/0x1f0 23:23:04 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x160203, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:04 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) r1 = accept$inet(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$F2FS_IOC_DEFRAGMENT(r1, 0xc010f508, &(0x7f00000002c0)={0xf, 0x9}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000300)) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000000)) 23:23:04 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) r1 = accept$inet(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$F2FS_IOC_DEFRAGMENT(r1, 0xc010f508, &(0x7f00000002c0)={0xf, 0x9}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000300)) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000000)) [ 958.685881] sock_sendmsg+0xc3/0x120 [ 958.689603] ___sys_sendmsg+0x7bb/0x8e0 [ 958.693587] ? check_preemption_disabled+0x41/0x280 [ 958.698613] ? copy_msghdr_from_user+0x440/0x440 [ 958.703381] ? __fget+0x32f/0x510 [ 958.706844] ? lock_downgrade+0x720/0x720 [ 958.710994] ? check_preemption_disabled+0x41/0x280 [ 958.716015] ? check_preemption_disabled+0x41/0x280 [ 958.721036] ? __fget+0x356/0x510 [ 958.724475] ? do_dup2+0x450/0x450 [ 958.728001] ? lock_downgrade+0x720/0x720 [ 958.732136] ? vfs_write+0x3d7/0x540 [ 958.735833] ? __fdget+0x1d0/0x230 [ 958.739356] __x64_sys_sendmsg+0x132/0x220 [ 958.743578] ? __sys_sendmsg+0x1b0/0x1b0 [ 958.747621] ? vfs_write+0x393/0x540 [ 958.751342] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 958.756699] ? trace_hardirqs_off_caller+0x6e/0x210 [ 958.761696] ? do_syscall_64+0x21/0x620 [ 958.765655] do_syscall_64+0xf9/0x620 [ 958.769463] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 958.774653] RIP: 0033:0x7f1dcd3b15a9 [ 958.778360] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 958.797243] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 958.804934] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 958.812193] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 958.819451] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 958.826709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 958.833962] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 958.843660] nbd: failed to add new device 23:23:04 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008b0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2d, {0x29}}, 0x14}}, 0x0) 23:23:04 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) r1 = accept$inet(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) ioctl$F2FS_IOC_DEFRAGMENT(r1, 0xc010f508, &(0x7f00000002c0)={0xf, 0x9}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f00000000c0)) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000300)) (async) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_GET_IMAGE_SIZE(r3, 0x8008330e, &(0x7f0000000000)) 23:23:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 31) 23:23:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f80000100002000000000000000c0001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 958.897744] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2e, {0x29}}, 0x14}}, 0x0) 23:23:04 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x160203, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) [ 959.044583] FAULT_INJECTION: forcing a failure. [ 959.044583] name failslab, interval 1, probability 0, space 0, times 0 [ 959.101912] CPU: 0 PID: 6846 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 959.109735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 959.119100] Call Trace: [ 959.121689] dump_stack+0x1fc/0x2ef [ 959.125316] should_fail.cold+0xa/0xf [ 959.129106] ? setup_fault_attr+0x200/0x200 [ 959.133421] ? lock_acquire+0x170/0x3c0 [ 959.137387] __should_failslab+0x115/0x180 [ 959.141612] should_failslab+0x5/0x10 [ 959.145402] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 959.150492] ? iolatency_pd_init+0x6f0/0x6f0 [ 959.154893] iolatency_pd_alloc+0x6e/0x120 [ 959.159123] blkcg_activate_policy+0x120/0x5d0 [ 959.163703] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 959.168710] blk_iolatency_init+0x123/0x2d0 [ 959.173021] blkcg_init_queue+0x1c1/0x540 [ 959.177157] blk_alloc_queue_node+0x7d0/0xbf0 [ 959.181646] blk_mq_init_queue+0x44/0xa0 [ 959.185696] nbd_dev_add+0x2b9/0x890 [ 959.189399] nbd_genl_connect+0x488/0x1630 [ 959.193626] ? nbd_xmit_timeout+0x730/0x730 [ 959.197936] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 959.203119] ? validate_nla+0x270/0x820 [ 959.207090] ? nla_parse+0x1b2/0x290 [ 959.210794] genl_family_rcv_msg+0x642/0xc40 [ 959.215193] ? genl_rcv+0x40/0x40 [ 959.218631] ? genl_rcv_msg+0x12f/0x160 [ 959.222592] ? mutex_trylock+0x1a0/0x1a0 [ 959.226647] ? __radix_tree_lookup+0x216/0x370 [ 959.231230] genl_rcv_msg+0xbf/0x160 [ 959.234934] netlink_rcv_skb+0x160/0x440 [ 959.238985] ? genl_family_rcv_msg+0xc40/0xc40 [ 959.243556] ? netlink_ack+0xae0/0xae0 [ 959.247457] ? genl_rcv+0x15/0x40 [ 959.250910] genl_rcv+0x24/0x40 [ 959.254175] netlink_unicast+0x4d5/0x690 [ 959.258227] ? netlink_sendskb+0x110/0x110 [ 959.262449] ? _copy_from_iter_full+0x229/0x7c0 [ 959.267105] ? __phys_addr_symbol+0x2c/0x70 [ 959.271424] ? __check_object_size+0x17b/0x3e0 [ 959.275996] netlink_sendmsg+0x6c3/0xc50 [ 959.280048] ? aa_af_perm+0x230/0x230 [ 959.283838] ? nlmsg_notify+0x1f0/0x1f0 [ 959.287797] ? kernel_recvmsg+0x220/0x220 [ 959.291940] ? nlmsg_notify+0x1f0/0x1f0 [ 959.295924] sock_sendmsg+0xc3/0x120 [ 959.299713] ___sys_sendmsg+0x7bb/0x8e0 [ 959.303685] ? check_preemption_disabled+0x41/0x280 [ 959.308688] ? copy_msghdr_from_user+0x440/0x440 [ 959.313432] ? __fget+0x32f/0x510 [ 959.316876] ? lock_downgrade+0x720/0x720 [ 959.321793] ? check_preemption_disabled+0x41/0x280 [ 959.326818] ? check_preemption_disabled+0x41/0x280 [ 959.331843] ? __fget+0x356/0x510 [ 959.335295] ? do_dup2+0x450/0x450 [ 959.338825] ? lock_downgrade+0x720/0x720 [ 959.342963] ? vfs_write+0x3d7/0x540 [ 959.346665] ? __fdget+0x1d0/0x230 [ 959.350197] __x64_sys_sendmsg+0x132/0x220 [ 959.354419] ? __sys_sendmsg+0x1b0/0x1b0 [ 959.358464] ? vfs_write+0x393/0x540 [ 959.362174] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 959.367527] ? trace_hardirqs_off_caller+0x6e/0x210 [ 959.372531] ? do_syscall_64+0x21/0x620 [ 959.376493] do_syscall_64+0xf9/0x620 [ 959.380288] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 959.385462] RIP: 0033:0x7f1dcd3b15a9 23:23:05 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x1, 0x0) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000040)={0xffff, 0x6}) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 959.389163] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 959.408484] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 959.416183] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 959.424307] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 959.431565] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 959.438823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 959.446080] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:05 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008c0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 959.485343] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:05 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x1, 0x0) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000040)={0xffff, 0x6}) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x1, 0x0) (async) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000040)={0xffff, 0x6}) (async) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:05 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:05 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:05 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x1, 0x0) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000040)={0xffff, 0x6}) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x1, 0x0) (async) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000040)={0xffff, 0x6}) (async) ioctl$SNAPSHOT_PREF_IMAGE_SIZE(r0, 0x3312, 0x2) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:05 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:05 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008d0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 959.656937] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 32) [ 959.736590] nbd: failed to add new device [ 959.739258] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 959.774272] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f80000100002000000000000000e0001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:05 executing program 3: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000), 0x160203, 0x0) ioctl$SNAPSHOT_ATOMIC_RESTORE(r0, 0x3304) 23:23:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x2f, {0x29}}, 0x14}}, 0x0) 23:23:05 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_HOP_PENALTY={0x2, 0x35, 0xff}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x3}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040040}, 0x1) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) [ 959.842424] FAULT_INJECTION: forcing a failure. [ 959.842424] name failslab, interval 1, probability 0, space 0, times 0 [ 959.853079] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 959.854125] CPU: 0 PID: 6900 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 959.854142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 959.854152] Call Trace: [ 959.883863] dump_stack+0x1fc/0x2ef [ 959.887511] should_fail.cold+0xa/0xf [ 959.891336] ? setup_fault_attr+0x200/0x200 [ 959.895700] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 959.900739] __should_failslab+0x115/0x180 [ 959.905082] should_failslab+0x5/0x10 [ 959.908917] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 959.913955] iolatency_pd_alloc+0x6e/0x120 [ 959.918212] ? iolatency_pd_init+0x6f0/0x6f0 [ 959.922639] blkcg_activate_policy+0x249/0x5d0 [ 959.927246] blk_iolatency_init+0x123/0x2d0 [ 959.931591] blkcg_init_queue+0x1c1/0x540 [ 959.935758] blk_alloc_queue_node+0x7d0/0xbf0 23:23:05 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_HOP_PENALTY={0x2, 0x35, 0xff}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x3}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040040}, 0x1) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_HOP_PENALTY={0x2, 0x35, 0xff}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x3}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040040}, 0x1) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (async) [ 959.940277] blk_mq_init_queue+0x44/0xa0 [ 959.944360] nbd_dev_add+0x2b9/0x890 [ 959.948093] nbd_genl_connect+0x488/0x1630 [ 959.952346] ? nbd_xmit_timeout+0x730/0x730 [ 959.956681] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 959.961890] ? validate_nla+0x270/0x820 [ 959.965886] ? nla_parse+0x1b2/0x290 [ 959.969638] genl_family_rcv_msg+0x642/0xc40 [ 959.974067] ? genl_rcv+0x40/0x40 [ 959.977535] ? genl_rcv_msg+0x12f/0x160 [ 959.981528] ? mutex_trylock+0x1a0/0x1a0 [ 959.985620] ? __radix_tree_lookup+0x216/0x370 [ 959.990223] genl_rcv_msg+0xbf/0x160 [ 959.993955] netlink_rcv_skb+0x160/0x440 [ 959.998032] ? genl_family_rcv_msg+0xc40/0xc40 [ 960.002629] ? netlink_ack+0xae0/0xae0 [ 960.006528] ? genl_rcv+0x15/0x40 [ 960.010008] genl_rcv+0x24/0x40 [ 960.013425] netlink_unicast+0x4d5/0x690 [ 960.017596] ? netlink_sendskb+0x110/0x110 [ 960.021845] ? _copy_from_iter_full+0x229/0x7c0 [ 960.026531] ? __phys_addr_symbol+0x2c/0x70 [ 960.030954] ? __check_object_size+0x17b/0x3e0 [ 960.035549] netlink_sendmsg+0x6c3/0xc50 [ 960.035569] ? aa_af_perm+0x230/0x230 [ 960.035582] ? nlmsg_notify+0x1f0/0x1f0 [ 960.035592] ? kernel_recvmsg+0x220/0x220 [ 960.035611] ? nlmsg_notify+0x1f0/0x1f0 [ 960.043466] sock_sendmsg+0xc3/0x120 [ 960.043482] ___sys_sendmsg+0x7bb/0x8e0 [ 960.043502] ? check_preemption_disabled+0x41/0x280 [ 960.043516] ? copy_msghdr_from_user+0x440/0x440 [ 960.043531] ? __fget+0x32f/0x510 [ 960.043550] ? lock_downgrade+0x720/0x720 [ 960.051783] ? check_preemption_disabled+0x41/0x280 [ 960.051802] ? check_preemption_disabled+0x41/0x280 23:23:05 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_HOP_PENALTY={0x2, 0x35, 0xff}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x3}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x2}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4040040}, 0x1) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) [ 960.051822] ? __fget+0x356/0x510 [ 960.051837] ? do_dup2+0x450/0x450 [ 960.051849] ? lock_downgrade+0x720/0x720 [ 960.051864] ? vfs_write+0x3d7/0x540 [ 960.051879] ? __fdget+0x1d0/0x230 [ 960.051897] __x64_sys_sendmsg+0x132/0x220 [ 960.090955] ? __sys_sendmsg+0x1b0/0x1b0 [ 960.090973] ? vfs_write+0x393/0x540 [ 960.091000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 960.091016] ? trace_hardirqs_off_caller+0x6e/0x210 [ 960.091031] ? do_syscall_64+0x21/0x620 [ 960.091048] do_syscall_64+0xf9/0x620 [ 960.091063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 960.091078] RIP: 0033:0x7f1dcd3b15a9 [ 960.139808] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 960.139817] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 960.139832] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 960.139841] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:23:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008e0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 960.139849] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 960.139856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 960.139863] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 960.184280] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 960.222124] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000ffff0f0001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x30, {0x29}}, 0x14}}, 0x0) 23:23:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 33) 23:23:06 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x180, 0x0) close(r2) [ 960.244241] nbd: couldn't find device at index -1577385984 23:23:06 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000680000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008f0300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 960.339856] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x31, {0x29}}, 0x14}}, 0x0) 23:23:06 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x180, 0x0) close(r2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r0) (async) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (async) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x180, 0x0) (async) close(r2) (async) 23:23:06 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r1 = dup(r0) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x180, 0x0) close(r2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r0) (async) write$6lowpan_enable(r1, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000000)) (async) openat$dsp1(0xffffffffffffff9c, &(0x7f0000000040), 0x180, 0x0) (async) close(r2) (async) [ 960.428411] FAULT_INJECTION: forcing a failure. [ 960.428411] name failslab, interval 1, probability 0, space 0, times 0 [ 960.447080] CPU: 0 PID: 6946 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 960.454915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 960.464361] Call Trace: [ 960.466962] dump_stack+0x1fc/0x2ef [ 960.470701] should_fail.cold+0xa/0xf [ 960.474526] ? setup_fault_attr+0x200/0x200 [ 960.478864] ? lock_acquire+0x170/0x3c0 [ 960.482865] __should_failslab+0x115/0x180 [ 960.487132] should_failslab+0x5/0x10 [ 960.490958] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 960.496083] blk_throtl_init+0x7c/0x620 [ 960.500078] ? blk_iolatency_init+0x1b7/0x2d0 [ 960.504588] blkcg_init_queue+0x1e3/0x540 [ 960.508754] blk_alloc_queue_node+0x7d0/0xbf0 [ 960.513269] blk_mq_init_queue+0x44/0xa0 [ 960.517437] nbd_dev_add+0x2b9/0x890 [ 960.521168] nbd_genl_connect+0x488/0x1630 23:23:06 executing program 0: sendmmsg$inet(0xffffffffffffffff, &(0x7f0000000900)=[{{&(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000080)="ce90e55eb10b21e8d58ba5ce28c08573d87379848bf25752cea4e20054821a097d748aeb52756a90ef6eb6ac73ab881c5f48bb3f79687b06f4d39c951113c53fea083ab5acafade79090a9a1c568ba46e947bde81ccf51be65f645d8832bc3d25b23feadddb40016866654d1bbaa17e2273c7da789ec94ca9dc0d5e867958bd69b0d8f52cf584ce6f2e2c0a8607e455d6aa753e5d145413a386f971871e3c7f571541f8e5578e5e23529bb5841ff768fe3bb1efbd8bba802cf9967ec42508dc21b55fa74bdc5db7779123e77c9f8d2accde7c02c0e0a90", 0xd7}, {&(0x7f0000000180)="44e169ad46ae3dd9be96453c1fa6b356c3e4ddd33cf9af4cc79e17eba5d9c9e16b1b3b6e1b3471bf4675df583612fdbc1f6cd81a9d20465bcb46f4aa989ef7a621164c", 0x43}, {&(0x7f0000000200)="58fe4794626f15881ee9de3e11cb29bdfa127707886997b93569022b95348a18816f85f1b66e8fed5eb6bc1e8899aa89e70e29180f2626ed4ce48888252b38649efcf48189b7202bf39dd4f0440d58fafcff1478cdab75bb4a9e9762ca309b8b10", 0x61}, {&(0x7f0000000280)="5c3a7619dd98870f1558ee63d48974269a844f95625446d7b7633e7723f369148409cb4ee67383347f88b7abcefcc2a4acf7961d014d1c11d5464487905548d27acc6ce6f52b4ec37a2296227cccaa98ec4915bb9afeefec467ef81ad86923705ddd7795683c5809756e37282a56baf7c325ca4ea2fbafec3d963a25a3b1e3f1b936ab92c3386cb73df8a0b32b", 0x8d}, {&(0x7f0000000340)="bf11bf36a8ff50c34e0b22e625f7f59c739a862a984d813a3cfa8272b89dcb52890d2d8d7de5ae7ab864247e841e45a0510266ce6740e0d51182fc8800e744b60a923d28b0cf46357260717919cd6cda24310efc79f2b3", 0x57}, {&(0x7f0000000440)="9e10d718808074e00aefd0d59e28735f17d56f87ea66ee383b6429014a0b0e524cfbd4cc71b3f6d7406bec7a2d9922da98d86b0f3f20d6476bdf250bf60c3f71a927bfe1db85e3d6c831442c4c065f425b13cecda99f58ac0d1d83561ed7bcec296cc40efdd1be0e9709a6ca14b55805f931300b1f79f1382f079d5aa7506a8cdb62c12b4ff5b69f17af040055caec3d64a87d4ae4106fa807ff775e53f1ecb3261ee1c2adbcac61397b", 0xaa}, {&(0x7f00000003c0)="af07cabbbc0926ea901d9a883849e77619bc20b7efcee62404a703255a6edc2febe882a9", 0x24}, {&(0x7f0000000500)="33108ea8b4e1e440ca8b4ef45ed3cb4bbd5c8cf7dc2fafd35c1c432cb66d47465d240e40a43be5cf3b1f4f0f80b8d4e5136185bccf06a29b08ffe97f0bf70f1face3ef8a6829d8ae14b0f39c1c12e8e78f73d085f270cd2c2ce03f996bce6a59be272285c59f22a998b632cd6380e795284f47fd35b8", 0x76}, {&(0x7f0000000580)="1b3777d54723b363643d0402bbcf181c9114b83d5813e245774bcd6858bc1bb9e8075777399dfe9b5a0c352875a12dda2a0d4668cdbba432b9fe40ce925ce3325eb3a804ff552a3fd3ff81edfe238835d452a4e832a53fee900705c6084c936f2938303ab7742994278819472fa779ee9fd29eec3788b3bfd6d93255233739d3bd98b43a9058f25682e21e988e97c6e6a45a1fab", 0x94}, {&(0x7f0000000640)="6df63659f757dc", 0x7}], 0xa, &(0x7f0000000740)=[@ip_tos_int={{0x14, 0x0, 0x1, 0xfff}}, @ip_ttl={{0x14, 0x0, 0x2, 0xdd}}, @ip_retopts={{0x18, 0x0, 0x7, {[@ra={0x94, 0x4}, @ra={0x94, 0x4, 0x1}]}}}], 0x48}}, {{&(0x7f00000007c0)={0x2, 0x4e20, @rand_addr=0x64010100}, 0x10, &(0x7f0000000840)=[{&(0x7f0000000800)="f11c18e60e8629cc15171ba1302d88e175365359b1ad013d623c226bb5af10c8b960ad766e69de0a16a4467d4d54704c8055f9afaa77", 0x36}], 0x1, &(0x7f0000000880)=[@ip_ttl={{0x14, 0x0, 0x2, 0xfb0a}}, @ip_ttl={{0x14, 0x0, 0x2, 0x9}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x70}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x1f}}], 0x60}}], 0x2, 0x4004044) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 960.525423] ? nbd_xmit_timeout+0x730/0x730 [ 960.529765] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 960.535075] ? validate_nla+0x270/0x820 [ 960.539069] ? nla_parse+0x1b2/0x290 [ 960.542804] genl_family_rcv_msg+0x642/0xc40 [ 960.547231] ? genl_rcv+0x40/0x40 [ 960.550686] ? genl_rcv_msg+0x12f/0x160 [ 960.554665] ? mutex_trylock+0x1a0/0x1a0 [ 960.558734] ? __radix_tree_lookup+0x216/0x370 [ 960.563316] genl_rcv_msg+0xbf/0x160 [ 960.567027] netlink_rcv_skb+0x160/0x440 [ 960.571120] ? genl_family_rcv_msg+0xc40/0xc40 [ 960.575700] ? netlink_ack+0xae0/0xae0 [ 960.579578] ? genl_rcv+0x15/0x40 [ 960.583027] genl_rcv+0x24/0x40 [ 960.586295] netlink_unicast+0x4d5/0x690 [ 960.590350] ? netlink_sendskb+0x110/0x110 [ 960.594576] ? _copy_from_iter_full+0x229/0x7c0 [ 960.599255] ? __phys_addr_symbol+0x2c/0x70 [ 960.603575] ? __check_object_size+0x17b/0x3e0 [ 960.608156] netlink_sendmsg+0x6c3/0xc50 [ 960.612210] ? aa_af_perm+0x230/0x230 [ 960.616001] ? nlmsg_notify+0x1f0/0x1f0 [ 960.619962] ? kernel_recvmsg+0x220/0x220 [ 960.624107] ? nlmsg_notify+0x1f0/0x1f0 [ 960.628082] sock_sendmsg+0xc3/0x120 [ 960.631784] ___sys_sendmsg+0x7bb/0x8e0 [ 960.635751] ? check_preemption_disabled+0x41/0x280 [ 960.640756] ? copy_msghdr_from_user+0x440/0x440 [ 960.645503] ? __fget+0x32f/0x510 [ 960.648954] ? lock_downgrade+0x720/0x720 [ 960.653093] ? check_preemption_disabled+0x41/0x280 [ 960.658099] ? check_preemption_disabled+0x41/0x280 [ 960.663114] ? __fget+0x356/0x510 [ 960.666557] ? do_dup2+0x450/0x450 [ 960.670084] ? lock_downgrade+0x720/0x720 [ 960.674221] ? vfs_write+0x3d7/0x540 [ 960.677926] ? __fdget+0x1d0/0x230 [ 960.681456] __x64_sys_sendmsg+0x132/0x220 [ 960.685680] ? __sys_sendmsg+0x1b0/0x1b0 [ 960.689829] ? vfs_write+0x393/0x540 [ 960.693542] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 960.698898] ? trace_hardirqs_off_caller+0x6e/0x210 [ 960.703904] ? do_syscall_64+0x21/0x620 [ 960.707873] do_syscall_64+0xf9/0x620 [ 960.711676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 960.716853] RIP: 0033:0x7f1dcd3b15a9 [ 960.720554] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 960.739523] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 960.747221] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 960.754510] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 960.761793] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 960.769050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 960.776309] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000900300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 960.801791] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 960.815740] FAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x32, {0x29}}, 0x14}}, 0x0) [ 960.855059] nbd: failed to add new device [ 960.869024] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 960.904773] FAT-fs (loop1): FAT read failed (blocknr 32) [ 960.918703] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000100001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 34) 23:23:06 executing program 0: sendmmsg$inet(0xffffffffffffffff, &(0x7f0000000900)=[{{&(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000080)="ce90e55eb10b21e8d58ba5ce28c08573d87379848bf25752cea4e20054821a097d748aeb52756a90ef6eb6ac73ab881c5f48bb3f79687b06f4d39c951113c53fea083ab5acafade79090a9a1c568ba46e947bde81ccf51be65f645d8832bc3d25b23feadddb40016866654d1bbaa17e2273c7da789ec94ca9dc0d5e867958bd69b0d8f52cf584ce6f2e2c0a8607e455d6aa753e5d145413a386f971871e3c7f571541f8e5578e5e23529bb5841ff768fe3bb1efbd8bba802cf9967ec42508dc21b55fa74bdc5db7779123e77c9f8d2accde7c02c0e0a90", 0xd7}, {&(0x7f0000000180)="44e169ad46ae3dd9be96453c1fa6b356c3e4ddd33cf9af4cc79e17eba5d9c9e16b1b3b6e1b3471bf4675df583612fdbc1f6cd81a9d20465bcb46f4aa989ef7a621164c", 0x43}, {&(0x7f0000000200)="58fe4794626f15881ee9de3e11cb29bdfa127707886997b93569022b95348a18816f85f1b66e8fed5eb6bc1e8899aa89e70e29180f2626ed4ce48888252b38649efcf48189b7202bf39dd4f0440d58fafcff1478cdab75bb4a9e9762ca309b8b10", 0x61}, {&(0x7f0000000280)="5c3a7619dd98870f1558ee63d48974269a844f95625446d7b7633e7723f369148409cb4ee67383347f88b7abcefcc2a4acf7961d014d1c11d5464487905548d27acc6ce6f52b4ec37a2296227cccaa98ec4915bb9afeefec467ef81ad86923705ddd7795683c5809756e37282a56baf7c325ca4ea2fbafec3d963a25a3b1e3f1b936ab92c3386cb73df8a0b32b", 0x8d}, {&(0x7f0000000340)="bf11bf36a8ff50c34e0b22e625f7f59c739a862a984d813a3cfa8272b89dcb52890d2d8d7de5ae7ab864247e841e45a0510266ce6740e0d51182fc8800e744b60a923d28b0cf46357260717919cd6cda24310efc79f2b3", 0x57}, {&(0x7f0000000440)="9e10d718808074e00aefd0d59e28735f17d56f87ea66ee383b6429014a0b0e524cfbd4cc71b3f6d7406bec7a2d9922da98d86b0f3f20d6476bdf250bf60c3f71a927bfe1db85e3d6c831442c4c065f425b13cecda99f58ac0d1d83561ed7bcec296cc40efdd1be0e9709a6ca14b55805f931300b1f79f1382f079d5aa7506a8cdb62c12b4ff5b69f17af040055caec3d64a87d4ae4106fa807ff775e53f1ecb3261ee1c2adbcac61397b", 0xaa}, {&(0x7f00000003c0)="af07cabbbc0926ea901d9a883849e77619bc20b7efcee62404a703255a6edc2febe882a9", 0x24}, {&(0x7f0000000500)="33108ea8b4e1e440ca8b4ef45ed3cb4bbd5c8cf7dc2fafd35c1c432cb66d47465d240e40a43be5cf3b1f4f0f80b8d4e5136185bccf06a29b08ffe97f0bf70f1face3ef8a6829d8ae14b0f39c1c12e8e78f73d085f270cd2c2ce03f996bce6a59be272285c59f22a998b632cd6380e795284f47fd35b8", 0x76}, {&(0x7f0000000580)="1b3777d54723b363643d0402bbcf181c9114b83d5813e245774bcd6858bc1bb9e8075777399dfe9b5a0c352875a12dda2a0d4668cdbba432b9fe40ce925ce3325eb3a804ff552a3fd3ff81edfe238835d452a4e832a53fee900705c6084c936f2938303ab7742994278819472fa779ee9fd29eec3788b3bfd6d93255233739d3bd98b43a9058f25682e21e988e97c6e6a45a1fab", 0x94}, {&(0x7f0000000640)="6df63659f757dc", 0x7}], 0xa, &(0x7f0000000740)=[@ip_tos_int={{0x14, 0x0, 0x1, 0xfff}}, @ip_ttl={{0x14, 0x0, 0x2, 0xdd}}, @ip_retopts={{0x18, 0x0, 0x7, {[@ra={0x94, 0x4}, @ra={0x94, 0x4, 0x1}]}}}], 0x48}}, {{&(0x7f00000007c0)={0x2, 0x4e20, @rand_addr=0x64010100}, 0x10, &(0x7f0000000840)=[{&(0x7f0000000800)="f11c18e60e8629cc15171ba1302d88e175365359b1ad013d623c226bb5af10c8b960ad766e69de0a16a4467d4d54704c8055f9afaa77", 0x36}], 0x1, &(0x7f0000000880)=[@ip_ttl={{0x14, 0x0, 0x2, 0xfb0a}}, @ip_ttl={{0x14, 0x0, 0x2, 0x9}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x70}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x1f}}], 0x60}}], 0x2, 0x4004044) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:06 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000240)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = getpgrp(r0) sched_setscheduler(r3, 0x0, &(0x7f0000000000)=0x2) clock_gettime(0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000004b80)=[{{0x0, 0x0, &(0x7f0000000100), 0x0, 0x0, 0x0, 0x800}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32, @ANYRES32=r1, @ANYBLOB="100000000000000001000000010000001c0000000000000000020000007d4675032755f7bb1f3479932165cb2114462a1053c38133a1ff27b5e96b7256888f4c9ede4bf19a1f050ffed3a161df40fd2fdad712a7bd4176900cc868582740e8e702fc2b6bd99602ea4927fe20e4b05edc05ddca6482477a1546b9c239e0e9ffd64c1a04d4d7490fc3daa28a5a", @ANYRES32=r0, @ANYRES32=0xee01, @ANYRES32=0xee01, @ANYBLOB='\x00\x00\x00\x00'], 0xa8, 0x4004000}}, {{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000b00)}], 0x1, 0x0, 0x0, 0xc0}}, {{&(0x7f0000000c40)=@file={0x0, './bus\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x30054004}}, {{0x0, 0x0, &(0x7f0000001000)=[{&(0x7f0000000fc0)}], 0x1, &(0x7f0000000580)=ANY=[@ANYBLOB="1c000000000000", @ANYRES32, @ANYRES32=r2, @ANYBLOB="c2ec69bc7947f061fb36132ed5d7aab0c189656f9c551c208e3ed81db2711e42a2c03ec9a15f0c3d20c737b9467d87d1f60180829fb4c1bdf10e9dc49b4cc04c7f99817a607f704f81260d8dd6d96e02e96faacfbfb44f00944107558dd5fb864726c86bdbb9ad9069302970c7903820d888f0a9db666541a447e0de6853f796356842bf3237b912b9b12cf0c31c33be953d7cb6c5136469ad011d55ac8d1258d8c218ffcc54746df6d7224c5034fe13daab54517725eee347f70f74ed90c4f8ae8d2d066465f4cd22b90cfd9eb462051b349c43", @ANYBLOB, @ANYRES32, @ANYBLOB="000000001c00000000000000010000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="1c000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB='\x00\x00\x00\x00 \x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="be26779a47b1640c706430c5ee185fd13545304cb52d981fd198da48b4ceeb0a79a3a177798e4dd71fed15647def00"], 0xf8, 0x4008811}}], 0x5, 0x0) write(0xffffffffffffffff, 0x0, 0x0) r4 = creat(&(0x7f0000000100)='./file0\x00', 0x5d) fcntl$setstatus(r4, 0x4, 0x46802) io_setup(0x100000000000c333, &(0x7f0000000180)=0x0) io_submit(r5, 0x20000000000001cb, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x400000000000, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x377140be6b5ef4c7}]) syncfs(r4) 23:23:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x33, {0x29}}, 0x14}}, 0x0) 23:23:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000910300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 961.017250] FAULT_INJECTION: forcing a failure. [ 961.017250] name failslab, interval 1, probability 0, space 0, times 0 [ 961.044929] CPU: 1 PID: 6991 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 961.052767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 961.062128] Call Trace: [ 961.064726] dump_stack+0x1fc/0x2ef [ 961.068367] should_fail.cold+0xa/0xf [ 961.072189] ? setup_fault_attr+0x200/0x200 [ 961.076526] ? lock_acquire+0x170/0x3c0 [ 961.080507] __should_failslab+0x115/0x180 [ 961.084733] should_failslab+0x5/0x10 [ 961.088519] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 961.093611] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 961.098021] throtl_pd_alloc+0x6b/0x940 [ 961.101986] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 961.106393] blkcg_activate_policy+0x120/0x5d0 [ 961.110968] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 961.115985] ? init_timer_key+0x88/0x350 [ 961.120033] blk_throtl_init+0x40d/0x620 [ 961.124102] ? blk_iolatency_init+0x1b7/0x2d0 [ 961.128594] blkcg_init_queue+0x1e3/0x540 [ 961.132743] blk_alloc_queue_node+0x7d0/0xbf0 [ 961.137228] blk_mq_init_queue+0x44/0xa0 [ 961.141278] nbd_dev_add+0x2b9/0x890 [ 961.144981] nbd_genl_connect+0x488/0x1630 [ 961.149206] ? nbd_xmit_timeout+0x730/0x730 [ 961.153515] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 961.158789] ? validate_nla+0x270/0x820 [ 961.162762] ? nla_parse+0x1b2/0x290 [ 961.166477] genl_family_rcv_msg+0x642/0xc40 [ 961.170892] ? genl_rcv+0x40/0x40 [ 961.174339] ? genl_rcv_msg+0x12f/0x160 [ 961.178310] ? mutex_trylock+0x1a0/0x1a0 [ 961.182398] ? __radix_tree_lookup+0x216/0x370 [ 961.187011] genl_rcv_msg+0xbf/0x160 [ 961.190737] netlink_rcv_skb+0x160/0x440 [ 961.194799] ? genl_family_rcv_msg+0xc40/0xc40 [ 961.199378] ? netlink_ack+0xae0/0xae0 [ 961.203277] ? genl_rcv+0x15/0x40 [ 961.206739] genl_rcv+0x24/0x40 [ 961.210021] netlink_unicast+0x4d5/0x690 [ 961.214090] ? netlink_sendskb+0x110/0x110 [ 961.218327] ? _copy_from_iter_full+0x229/0x7c0 [ 961.222999] ? __phys_addr_symbol+0x2c/0x70 [ 961.227326] ? __check_object_size+0x17b/0x3e0 [ 961.231912] netlink_sendmsg+0x6c3/0xc50 [ 961.235982] ? aa_af_perm+0x230/0x230 [ 961.239786] ? nlmsg_notify+0x1f0/0x1f0 [ 961.243757] ? kernel_recvmsg+0x220/0x220 [ 961.247912] ? nlmsg_notify+0x1f0/0x1f0 [ 961.251900] sock_sendmsg+0xc3/0x120 [ 961.255615] ___sys_sendmsg+0x7bb/0x8e0 [ 961.259616] ? check_preemption_disabled+0x41/0x280 [ 961.264631] ? copy_msghdr_from_user+0x440/0x440 [ 961.269386] ? __fget+0x32f/0x510 [ 961.272846] ? lock_downgrade+0x720/0x720 [ 961.276997] ? check_preemption_disabled+0x41/0x280 [ 961.282023] ? check_preemption_disabled+0x41/0x280 [ 961.287049] ? __fget+0x356/0x510 [ 961.290505] ? do_dup2+0x450/0x450 [ 961.294332] ? lock_downgrade+0x720/0x720 [ 961.298479] ? vfs_write+0x3d7/0x540 [ 961.302198] ? __fdget+0x1d0/0x230 [ 961.305745] __x64_sys_sendmsg+0x132/0x220 [ 961.309984] ? __sys_sendmsg+0x1b0/0x1b0 [ 961.314054] ? vfs_write+0x393/0x540 [ 961.317804] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 961.323225] ? trace_hardirqs_off_caller+0x6e/0x210 [ 961.328247] ? do_syscall_64+0x21/0x620 [ 961.332227] do_syscall_64+0xf9/0x620 [ 961.336035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 961.341232] RIP: 0033:0x7f1dcd3b15a9 [ 961.344942] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 961.363839] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 961.371544] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 961.378813] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 961.386078] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 961.393344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 961.400611] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:07 executing program 0: sendmmsg$inet(0xffffffffffffffff, &(0x7f0000000900)=[{{&(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000080)="ce90e55eb10b21e8d58ba5ce28c08573d87379848bf25752cea4e20054821a097d748aeb52756a90ef6eb6ac73ab881c5f48bb3f79687b06f4d39c951113c53fea083ab5acafade79090a9a1c568ba46e947bde81ccf51be65f645d8832bc3d25b23feadddb40016866654d1bbaa17e2273c7da789ec94ca9dc0d5e867958bd69b0d8f52cf584ce6f2e2c0a8607e455d6aa753e5d145413a386f971871e3c7f571541f8e5578e5e23529bb5841ff768fe3bb1efbd8bba802cf9967ec42508dc21b55fa74bdc5db7779123e77c9f8d2accde7c02c0e0a90", 0xd7}, {&(0x7f0000000180)="44e169ad46ae3dd9be96453c1fa6b356c3e4ddd33cf9af4cc79e17eba5d9c9e16b1b3b6e1b3471bf4675df583612fdbc1f6cd81a9d20465bcb46f4aa989ef7a621164c", 0x43}, {&(0x7f0000000200)="58fe4794626f15881ee9de3e11cb29bdfa127707886997b93569022b95348a18816f85f1b66e8fed5eb6bc1e8899aa89e70e29180f2626ed4ce48888252b38649efcf48189b7202bf39dd4f0440d58fafcff1478cdab75bb4a9e9762ca309b8b10", 0x61}, {&(0x7f0000000280)="5c3a7619dd98870f1558ee63d48974269a844f95625446d7b7633e7723f369148409cb4ee67383347f88b7abcefcc2a4acf7961d014d1c11d5464487905548d27acc6ce6f52b4ec37a2296227cccaa98ec4915bb9afeefec467ef81ad86923705ddd7795683c5809756e37282a56baf7c325ca4ea2fbafec3d963a25a3b1e3f1b936ab92c3386cb73df8a0b32b", 0x8d}, {&(0x7f0000000340)="bf11bf36a8ff50c34e0b22e625f7f59c739a862a984d813a3cfa8272b89dcb52890d2d8d7de5ae7ab864247e841e45a0510266ce6740e0d51182fc8800e744b60a923d28b0cf46357260717919cd6cda24310efc79f2b3", 0x57}, {&(0x7f0000000440)="9e10d718808074e00aefd0d59e28735f17d56f87ea66ee383b6429014a0b0e524cfbd4cc71b3f6d7406bec7a2d9922da98d86b0f3f20d6476bdf250bf60c3f71a927bfe1db85e3d6c831442c4c065f425b13cecda99f58ac0d1d83561ed7bcec296cc40efdd1be0e9709a6ca14b55805f931300b1f79f1382f079d5aa7506a8cdb62c12b4ff5b69f17af040055caec3d64a87d4ae4106fa807ff775e53f1ecb3261ee1c2adbcac61397b", 0xaa}, {&(0x7f00000003c0)="af07cabbbc0926ea901d9a883849e77619bc20b7efcee62404a703255a6edc2febe882a9", 0x24}, {&(0x7f0000000500)="33108ea8b4e1e440ca8b4ef45ed3cb4bbd5c8cf7dc2fafd35c1c432cb66d47465d240e40a43be5cf3b1f4f0f80b8d4e5136185bccf06a29b08ffe97f0bf70f1face3ef8a6829d8ae14b0f39c1c12e8e78f73d085f270cd2c2ce03f996bce6a59be272285c59f22a998b632cd6380e795284f47fd35b8", 0x76}, {&(0x7f0000000580)="1b3777d54723b363643d0402bbcf181c9114b83d5813e245774bcd6858bc1bb9e8075777399dfe9b5a0c352875a12dda2a0d4668cdbba432b9fe40ce925ce3325eb3a804ff552a3fd3ff81edfe238835d452a4e832a53fee900705c6084c936f2938303ab7742994278819472fa779ee9fd29eec3788b3bfd6d93255233739d3bd98b43a9058f25682e21e988e97c6e6a45a1fab", 0x94}, {&(0x7f0000000640)="6df63659f757dc", 0x7}], 0xa, &(0x7f0000000740)=[@ip_tos_int={{0x14, 0x0, 0x1, 0xfff}}, @ip_ttl={{0x14, 0x0, 0x2, 0xdd}}, @ip_retopts={{0x18, 0x0, 0x7, {[@ra={0x94, 0x4}, @ra={0x94, 0x4, 0x1}]}}}], 0x48}}, {{&(0x7f00000007c0)={0x2, 0x4e20, @rand_addr=0x64010100}, 0x10, &(0x7f0000000840)=[{&(0x7f0000000800)="f11c18e60e8629cc15171ba1302d88e175365359b1ad013d623c226bb5af10c8b960ad766e69de0a16a4467d4d54704c8055f9afaa77", 0x36}], 0x1, &(0x7f0000000880)=[@ip_ttl={{0x14, 0x0, 0x2, 0xfb0a}}, @ip_ttl={{0x14, 0x0, 0x2, 0x9}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x70}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x1f}}], 0x60}}], 0x2, 0x4004044) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) sendmmsg$inet(0xffffffffffffffff, &(0x7f0000000900)=[{{&(0x7f0000000040)={0x2, 0x4e20, @empty}, 0x10, &(0x7f0000000680)=[{&(0x7f0000000080)="ce90e55eb10b21e8d58ba5ce28c08573d87379848bf25752cea4e20054821a097d748aeb52756a90ef6eb6ac73ab881c5f48bb3f79687b06f4d39c951113c53fea083ab5acafade79090a9a1c568ba46e947bde81ccf51be65f645d8832bc3d25b23feadddb40016866654d1bbaa17e2273c7da789ec94ca9dc0d5e867958bd69b0d8f52cf584ce6f2e2c0a8607e455d6aa753e5d145413a386f971871e3c7f571541f8e5578e5e23529bb5841ff768fe3bb1efbd8bba802cf9967ec42508dc21b55fa74bdc5db7779123e77c9f8d2accde7c02c0e0a90", 0xd7}, {&(0x7f0000000180)="44e169ad46ae3dd9be96453c1fa6b356c3e4ddd33cf9af4cc79e17eba5d9c9e16b1b3b6e1b3471bf4675df583612fdbc1f6cd81a9d20465bcb46f4aa989ef7a621164c", 0x43}, {&(0x7f0000000200)="58fe4794626f15881ee9de3e11cb29bdfa127707886997b93569022b95348a18816f85f1b66e8fed5eb6bc1e8899aa89e70e29180f2626ed4ce48888252b38649efcf48189b7202bf39dd4f0440d58fafcff1478cdab75bb4a9e9762ca309b8b10", 0x61}, {&(0x7f0000000280)="5c3a7619dd98870f1558ee63d48974269a844f95625446d7b7633e7723f369148409cb4ee67383347f88b7abcefcc2a4acf7961d014d1c11d5464487905548d27acc6ce6f52b4ec37a2296227cccaa98ec4915bb9afeefec467ef81ad86923705ddd7795683c5809756e37282a56baf7c325ca4ea2fbafec3d963a25a3b1e3f1b936ab92c3386cb73df8a0b32b", 0x8d}, {&(0x7f0000000340)="bf11bf36a8ff50c34e0b22e625f7f59c739a862a984d813a3cfa8272b89dcb52890d2d8d7de5ae7ab864247e841e45a0510266ce6740e0d51182fc8800e744b60a923d28b0cf46357260717919cd6cda24310efc79f2b3", 0x57}, {&(0x7f0000000440)="9e10d718808074e00aefd0d59e28735f17d56f87ea66ee383b6429014a0b0e524cfbd4cc71b3f6d7406bec7a2d9922da98d86b0f3f20d6476bdf250bf60c3f71a927bfe1db85e3d6c831442c4c065f425b13cecda99f58ac0d1d83561ed7bcec296cc40efdd1be0e9709a6ca14b55805f931300b1f79f1382f079d5aa7506a8cdb62c12b4ff5b69f17af040055caec3d64a87d4ae4106fa807ff775e53f1ecb3261ee1c2adbcac61397b", 0xaa}, {&(0x7f00000003c0)="af07cabbbc0926ea901d9a883849e77619bc20b7efcee62404a703255a6edc2febe882a9", 0x24}, {&(0x7f0000000500)="33108ea8b4e1e440ca8b4ef45ed3cb4bbd5c8cf7dc2fafd35c1c432cb66d47465d240e40a43be5cf3b1f4f0f80b8d4e5136185bccf06a29b08ffe97f0bf70f1face3ef8a6829d8ae14b0f39c1c12e8e78f73d085f270cd2c2ce03f996bce6a59be272285c59f22a998b632cd6380e795284f47fd35b8", 0x76}, {&(0x7f0000000580)="1b3777d54723b363643d0402bbcf181c9114b83d5813e245774bcd6858bc1bb9e8075777399dfe9b5a0c352875a12dda2a0d4668cdbba432b9fe40ce925ce3325eb3a804ff552a3fd3ff81edfe238835d452a4e832a53fee900705c6084c936f2938303ab7742994278819472fa779ee9fd29eec3788b3bfd6d93255233739d3bd98b43a9058f25682e21e988e97c6e6a45a1fab", 0x94}, {&(0x7f0000000640)="6df63659f757dc", 0x7}], 0xa, &(0x7f0000000740)=[@ip_tos_int={{0x14, 0x0, 0x1, 0xfff}}, @ip_ttl={{0x14, 0x0, 0x2, 0xdd}}, @ip_retopts={{0x18, 0x0, 0x7, {[@ra={0x94, 0x4}, @ra={0x94, 0x4, 0x1}]}}}], 0x48}}, {{&(0x7f00000007c0)={0x2, 0x4e20, @rand_addr=0x64010100}, 0x10, &(0x7f0000000840)=[{&(0x7f0000000800)="f11c18e60e8629cc15171ba1302d88e175365359b1ad013d623c226bb5af10c8b960ad766e69de0a16a4467d4d54704c8055f9afaa77", 0x36}], 0x1, &(0x7f0000000880)=[@ip_ttl={{0x14, 0x0, 0x2, 0xfb0a}}, @ip_ttl={{0x14, 0x0, 0x2, 0x9}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x70}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x1f}}], 0x60}}], 0x2, 0x4004044) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x34, {0x29}}, 0x14}}, 0x0) 23:23:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 35) 23:23:07 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$BTRFS_IOC_SUBVOL_CREATE(0xffffffffffffffff, 0x5000940e, &(0x7f0000000440)={{r0}, "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[ 961.492971] nbd: failed to add new device [ 961.503478] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 961.515424] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000ffff1f0001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 961.581914] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x35, {0x29}}, 0x14}}, 0x0) 23:23:07 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000920300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 961.628144] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 961.655546] FAULT_INJECTION: forcing a failure. [ 961.655546] name failslab, interval 1, probability 0, space 0, times 0 [ 961.666115] FAT-fs (loop1): FAT read failed (blocknr 32) [ 961.666765] CPU: 1 PID: 7026 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 961.680001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 961.689358] Call Trace: [ 961.691942] dump_stack+0x1fc/0x2ef [ 961.695555] should_fail.cold+0xa/0xf [ 961.699349] ? setup_fault_attr+0x200/0x200 [ 961.703671] ? lock_acquire+0x170/0x3c0 [ 961.707652] ? check_preemption_disabled+0x41/0x280 [ 961.712787] __should_failslab+0x115/0x180 [ 961.717019] should_failslab+0x5/0x10 [ 961.720825] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 961.725850] throtl_pd_alloc+0x6b/0x940 [ 961.729828] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 961.734245] blkcg_activate_policy+0x249/0x5d0 [ 961.738815] blk_throtl_init+0x40d/0x620 [ 961.742868] ? blk_iolatency_init+0x1b7/0x2d0 [ 961.747357] blkcg_init_queue+0x1e3/0x540 [ 961.751495] blk_alloc_queue_node+0x7d0/0xbf0 [ 961.755978] blk_mq_init_queue+0x44/0xa0 [ 961.760034] nbd_dev_add+0x2b9/0x890 [ 961.763754] nbd_genl_connect+0x488/0x1630 [ 961.767984] ? nbd_xmit_timeout+0x730/0x730 [ 961.772289] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 961.777471] ? validate_nla+0x270/0x820 [ 961.781443] ? nla_parse+0x1b2/0x290 [ 961.785150] genl_family_rcv_msg+0x642/0xc40 [ 961.789569] ? genl_rcv+0x40/0x40 [ 961.793015] ? genl_rcv_msg+0x12f/0x160 [ 961.796971] ? mutex_trylock+0x1a0/0x1a0 [ 961.801037] ? __radix_tree_lookup+0x216/0x370 [ 961.805621] genl_rcv_msg+0xbf/0x160 [ 961.809330] netlink_rcv_skb+0x160/0x440 [ 961.813471] ? genl_family_rcv_msg+0xc40/0xc40 [ 961.818040] ? netlink_ack+0xae0/0xae0 [ 961.821934] ? genl_rcv+0x15/0x40 [ 961.825385] genl_rcv+0x24/0x40 [ 961.828649] netlink_unicast+0x4d5/0x690 [ 961.832697] ? netlink_sendskb+0x110/0x110 [ 961.836918] ? _copy_from_iter_full+0x229/0x7c0 [ 961.841586] ? __phys_addr_symbol+0x2c/0x70 [ 961.845903] ? __check_object_size+0x17b/0x3e0 [ 961.850477] netlink_sendmsg+0x6c3/0xc50 [ 961.854535] ? aa_af_perm+0x230/0x230 [ 961.858317] ? nlmsg_notify+0x1f0/0x1f0 [ 961.862285] ? kernel_recvmsg+0x220/0x220 [ 961.866445] ? nlmsg_notify+0x1f0/0x1f0 [ 961.870431] sock_sendmsg+0xc3/0x120 [ 961.874140] ___sys_sendmsg+0x7bb/0x8e0 [ 961.878207] ? check_preemption_disabled+0x41/0x280 [ 961.883225] ? copy_msghdr_from_user+0x440/0x440 [ 961.887971] ? __fget+0x32f/0x510 [ 961.891602] ? lock_downgrade+0x720/0x720 [ 961.895746] ? check_preemption_disabled+0x41/0x280 [ 961.900752] ? check_preemption_disabled+0x41/0x280 [ 961.905756] ? __fget+0x356/0x510 [ 961.909194] ? do_dup2+0x450/0x450 [ 961.912728] ? lock_downgrade+0x720/0x720 [ 961.916874] ? vfs_write+0x3d7/0x540 [ 961.920585] ? __fdget+0x1d0/0x230 [ 961.924120] __x64_sys_sendmsg+0x132/0x220 [ 961.928341] ? __sys_sendmsg+0x1b0/0x1b0 [ 961.932397] ? vfs_write+0x393/0x540 [ 961.936113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 961.941476] ? trace_hardirqs_off_caller+0x6e/0x210 [ 961.946499] ? do_syscall_64+0x21/0x620 [ 961.950478] do_syscall_64+0xf9/0x620 [ 961.954281] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 961.959463] RIP: 0033:0x7f1dcd3b15a9 23:23:07 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$BTRFS_IOC_SUBVOL_CREATE(0xffffffffffffffff, 0x5000940e, &(0x7f0000000440)={{r0}, "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"}) [ 961.963170] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 961.982052] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 961.989753] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 961.997021] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 962.004290] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 962.011726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 962.018994] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000200001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:07 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) (async) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000240)=0x2) (async) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) (async) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) (async) r3 = getpgrp(r0) sched_setscheduler(r3, 0x0, &(0x7f0000000000)=0x2) clock_gettime(0x0, 0x0) (async) sendmmsg$unix(r2, &(0x7f0000004b80)=[{{0x0, 0x0, &(0x7f0000000100), 0x0, 0x0, 0x0, 0x800}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32, @ANYRES32=r1, @ANYBLOB="100000000000000001000000010000001c0000000000000000020000007d4675032755f7bb1f3479932165cb2114462a1053c38133a1ff27b5e96b7256888f4c9ede4bf19a1f050ffed3a161df40fd2fdad712a7bd4176900cc868582740e8e702fc2b6bd99602ea4927fe20e4b05edc05ddca6482477a1546b9c239e0e9ffd64c1a04d4d7490fc3daa28a5a", @ANYRES32=r0, @ANYRES32=0xee01, @ANYRES32=0xee01, @ANYBLOB='\x00\x00\x00\x00'], 0xa8, 0x4004000}}, {{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000b00)}], 0x1, 0x0, 0x0, 0xc0}}, {{&(0x7f0000000c40)=@file={0x0, './bus\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x30054004}}, {{0x0, 0x0, &(0x7f0000001000)=[{&(0x7f0000000fc0)}], 0x1, &(0x7f0000000580)=ANY=[@ANYBLOB="1c000000000000", @ANYRES32, @ANYRES32=r2, @ANYBLOB="c2ec69bc7947f061fb36132ed5d7aab0c189656f9c551c208e3ed81db2711e42a2c03ec9a15f0c3d20c737b9467d87d1f60180829fb4c1bdf10e9dc49b4cc04c7f99817a607f704f81260d8dd6d96e02e96faacfbfb44f00944107558dd5fb864726c86bdbb9ad9069302970c7903820d888f0a9db666541a447e0de6853f796356842bf3237b912b9b12cf0c31c33be953d7cb6c5136469ad011d55ac8d1258d8c218ffcc54746df6d7224c5034fe13daab54517725eee347f70f74ed90c4f8ae8d2d066465f4cd22b90cfd9eb462051b349c43", @ANYBLOB, @ANYRES32, @ANYBLOB="000000001c00000000000000010000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="1c000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB='\x00\x00\x00\x00 \x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="be26779a47b1640c706430c5ee185fd13545304cb52d981fd198da48b4ceeb0a79a3a177798e4dd71fed15647def00"], 0xf8, 0x4008811}}], 0x5, 0x0) (async) write(0xffffffffffffffff, 0x0, 0x0) (async) r4 = creat(&(0x7f0000000100)='./file0\x00', 0x5d) fcntl$setstatus(r4, 0x4, 0x46802) (async) io_setup(0x100000000000c333, &(0x7f0000000180)=0x0) io_submit(r5, 0x20000000000001cb, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x400000000000, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x377140be6b5ef4c7}]) syncfs(r4) 23:23:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x36, {0x29}}, 0x14}}, 0x0) 23:23:07 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) close(r0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async, rerun: 64) ioctl$BTRFS_IOC_SUBVOL_CREATE(0xffffffffffffffff, 0x5000940e, &(0x7f0000000440)={{r0}, "322a6f8f9516aeb8b7ff4edf463d1423495f6b6b2b15619cffc572fb52361f22eefabc2f46a4cbd01d43a72db00f083af37edf893e497316fcbba7e70c21f9cd9d8fec90d3e2bec8281efa17dc9f3d596eb5308619bb48a8fac4326ae9d7ccb4b5cb8ccb9263d09fe908cdaabbb7be07c035b14f4fabe361c48cd4cf298a21675544830fbec7a42b3e39c7eb00dea6fdfd27d91278c073ebe6ecee8a14d85266032d0dc9446a18a96ab113d31e095e9b9346aa882e1a975c1b6260b5f508505b9b4ab3774a5cd0cc97cd0c872362ad71cc81a51d342c0d3d76946e7119b9a2f8ffbd86e76661a622bca5c436d317f7ebc2bd8885fac968260669054a0c063722e5a3326d26e8a6a5f2764495ec27ac83824b4701a34d5406cb9944c52a14a56ddf65185373838d9b3afd61cc07885e94c41cd4e63c8c0d998bc175612bf0dd9b96d6b03d3de64d726b26fb7be78e0ff8f126c4c0e378caf06d680c8b1ee26546a6022459bf4af6ff1d24585af3021ffb5b2fba2c9e315007279dc7a483ed0de13efa096ee704e673b9b6e356b24723affe1b2a276ade72784145a7be215ad5fdd99154e03501da75709429641d4c61f2ce1fb8a7de284bfa8c84503009ec81abd5c8d934b4a0103d0ce6e4e7b001f0b8afbf20f772b64e9460723e42793f7a938053ab72324c48ae6ea41c4fe7500dfca9adbfc349a38311d86bb58cf034c56e5a2b9c929c9e10e5735ad951cb62ffe6cd5c030f32fc71540497aa1dda351b7f15f08cd7f1cfdc01e5cae37875b14637c6e68ce08ec8d5d9a14aaef3ff5428738494e3d0ebe3abe27687877e629511d239e8c6210e9ab610539bd61e26af41412261b559d6913082efbc4753c83305afa5116e506e20e7f5c59020ab9012250ef5175e00d169016d4acfcb77b48c27005f1e8347b75a1ae22e619eef78ab15c13eeaabfd0928a79b963c5d835d5fb344b209186e9b7daad539a3ff123ce90117be5aeb4a0aafc835025a2e0be8c7f342e1861829df9701d5cae1b50e72d26845fc32cfdfbe16e28dce285e3f211f3d77ba59652333a6382e9b5c2f312839b61029b777042e614cedc3eb3fd4964ecf58b404b4cbad33fb2b48d40fce5a1bbe9a3080d44e6c03c80821111fcd7f87a6e800bb0dc104fe0d5395543bfd3217a946f54dcdf34134ea927e6581820bf740eb310c19dd9a5309b24b7bd1938499b8f6756b56ec0ab43fa9879831c346d232c38c696258a72b97fc1b348272686ea0e514be64e2d3fcbc22f2265d2733efa7ea2acafe9b8dde038d2ec030f6689127bed70f5bc02e04cd85092add857d87a406e702aa8f75d4181503a2c77b66c2a65947d763d7b9917dc7fa92fdf2155ce55c467886897c5ab6efd2caffb2f8f5a9323ceaf5ff2dc60bbb8bad38675595816661265a39be318e24d375e68099f61d17090f399a250e1ba8c3c4c14c7e8a2b842fe15e562c795cd972131c49c117faa5218e39696bbe7108112dbbc0d04ad36e5a51784604bb97297b6054980dfa1b263bab2d400d4cad7bf7b2a4224d3f1353f4b5101696c546c2fe34f271b6d1659a17ce9fb57caa397c0c25cc9df684808653797b89e97b09444031b50bf8625248b419415328832c7dc6ffadf824aea667cba19ef2aaa9d55d6ca11a5c7c5c632c7e0e9be97e39c07914b53f938c796360a79d306a5ae4152021df480335bec9c6679c5c8120a65608d14bf690af6b724c6bb527d2f8a18742581b3d8e053b6adb74a47857f37dc701bf9d41b33e20f60851bf31ac5a47a83a1d299cb0136b57c0500d24646165cc246031f943df4d3bcf21227ed518cfe4544cc3d7fd367fa1eadf1b2c6805f4ae5f33a11f0411b559db2b39b719006c933be9c73b2e933890cfa12931375ce7486552d99f75b84b72d57fa1cf60e7467b48d827e3cc5c04503d0a6cb93f78e2b30aae3e0888c0862a199fcb994de978d681501cf326b8b51eb10627c7e78db2842a555fff34929e4a5303c1da455235d7c2d202fce00fcef59cb49994e027943b54c3ed242553bc47943898ec353d87eb0cf4e649c42c4570d9ccfd8a3a1f9a8d9cb952a38fd667825630caf503acb8a2723d53bd5eff4f51860acf97fbceb5c37a69b543717ead2595a5733f0636f60bf6c1ef94a94466dfcd17ad805fb127cdb164faaf1a38b7723ec3fa9c9a387a7ad0c728ac5f0686a782a784fa37679597dee64ab5ec591bdbe76266a4a8c3bce48129325318fabae895c62139e4df0c281fe9212f91c4149ff1f6fc63ef68eb0b1cdb385a396cd5627ce5b93bf46e02ee3f0c9a73615688897f1f68c2e6b8d5bc251ecb87c99fbb2b4ba7d834040b5a80e7af0cddc4718c2379037f6ecca224dbff8aaaf80d2fadc586fe3002e89200b1cf7476254a1f2321ea51c5b02aa56e573a88b55fdbf6b8565e63d74e69e07703f831c1834048adcbc352488673b628decece6e5d9bf228b0366f711d1d87d9366971eb4be10da5b71d28a9c242a4a4122f1b8311bfcde1d9a4a4405cbd40f76f1fac00822123a8c7866b4817db44c648ef91adfde4d9017edadb1f7cbd418f834b1bbdb85bcb78d21237ce56f3d8eed8eff924d8ba27c4f6508bdbbe97268abda31e6ae59238f1c23955f8cd932c8846454986d243fc1bd5effe1b60c45535106c4dd47c3a86a7a5849f648f54c352563b02e397a9e0f772689a4bd1c8db6734f0c63dcf997ef99657855ff235719f9569afea3a70fc015cc5a234b6cbb3eb8a2ed92a1fb058a1834427cd90e92e0d488af65742814e6f612b560b04280d58790678913e1f6121d2f62afc2437e1b6f9541525e83cf5675ed2eb192f13253a52332ecea3f03a3d7bb3f84ab670535e9b096c6ecb5baf02426bb6bc89ead6dff8d61d40a9657b1576113c91759a442b036406f5c5af6693829383f5833675d1630142343dd44c5c57aea4d0232876e302c09fd91bb7ab1cffdde1cfc925a89c6941a43c9556674d5a9bc3cae1f48e31807e93b3142af817bedae6d5577fbbfa39aa40f9a00afb6e5998ea9bb6993fcf06d794fa3483c02d294c08999cf6ea5b313d85b8d0f1c5bcded4cf3ff49484c0e85e231a55ca53668e5d78be44d1419abf7f8bde7bff859cf353c105241eb6be08666734638c86bb1d69fe63c2ffec1d4d552469b99909d7ef809418f2bdfec97e97d1005addda8c6c7acf5f003091619ea861f2e95ac819e0615159e5d238013addde26dbd29effc37ae3fb334970042e107f92b8ea7fd1ec943166e62f592e19818b7c1ba01dd274d9e98afa5611482434268a360e5c3257d4db0a69395e53a0326fa0d02ffcfc93c720c2eeab02ac4d74acebbb295d62392786a4116dc9bbcc84c5b6fc633840f1fedb208721ecfd512d7f15d438d3bf9d2922fdb09c4603e9cb583ede7a0b794835b86658f728c21b21954d56fffc923f611b5f8c75e5c24a2b615d72f8b6bc0c6aaf8dd71a1e416407c909ad8ebb169fe4554552715987df08055d21781a5a8bf16e21ca7954c62b563ae36ee9342b3fbccd8db7855242584f38bb1399907c408acc65e1cd2532ba45d5a199d9d771e3f2dac19572cf27cb4d929b62e65b24df8395072598bec32f1407fed734742144eb4874e56156b88e2468c213075ae1fc429f358ff487d2349212c99c7cc1f0c89fd50dc2dc0c0a9c395a0fc62c75ba0442ee0b1e8f73b187ce0013900b6c77af8b11d632410a9db5bae277466a2b9fcef0e3108fe84dc291eac56e1b7778ae522e9051bacc4def62582244c53acb5553211fa533256da9052c0095122ad66328ed05db8fcedb2a83bbfbb105021cfb702130e58434114e04ef68f7b4da451057cf349182654c9fbff7badd33a6a67af086b9adc50e6b93321f01a6681de774f2768c24ba0a495a9ec0506f672e175e7848566984a2e08380de0809add9556f500fc9c0f9658e0e91dd602b6bed4065ce5bb11e93d60c8fa6572b0e9be7824e77a088ba26db57c72996486b8a5df0928b424e0a73d17fa40eb28e215b1dde4a61915b91f38ebe066a05936da777092d6b97fed63e533eaab2fd2b43698f46551c569bd3de5690ae8e65f4dce52e0a30f29387441fa34638ae354c9b62c63b1833ff57ca3fe81667441c66e00e3949ec883bb98aa7cc14712489e25952216d222a2f2b88de92780edc75ccd0c40e27692a48aff487917a299e2fa6b6da62655623f6c642534defddd3caa5645aed1b360f33f0bcb26e629dcc3f0d8e15076544a4138369490b11555e8a5edf2074972fa9abdde51ce3cd657c330da76f63c156bf93a7e3df69642bafe23b7a01639561d9ff9da0db18a6f2155ae60dba2703e04a24a1048fec5eec97abb54d86b5420e40e6c253337ba2821d647ab654be892f4f59d0068fc514d8f4476ea1baeb9a1fd42df63d5f18c1784b40a72c477ee8ec20455893490e7b0af745998e29c4b425d8b15ec16c9c1ac0c29663cc105a504f1b3a076ca6765cd45c16f760a2bca7385bd335e7bec7bb4afa57e6035dcf2a128b5d497b66b4d6b1ab7e98a985c8dc7165183b4a17524300dcdc885cdb3086d7f53c1fe236912f30e381a7ed21060233460706552aa11081c79839c0dcd39c6e659f85ab89005ec5f6ef84d2c9e15db965c3b8b78fb7b517815e1f700af6d7bf1daf876cb3f70e502077e413a98b5f3178f0782b18f0b8691a18d9f0554674ed310d91200527b866e9d0381ab360a1f36603d16712fb80910c99511d6a6d293584cd0b7d5d7dd640426ed4e1e46c1d0177a5c354a9704994b6fc501b7a105bea2f9eeef0a2ed265255ab6b121987e4b748d164ec6a569d216123533476ac132cc6616c859cc36444560a01ee2900ecdc926a447b3e261b6a87ea37527e810709c9b76429757ccd25508dc48e7a66fd95aa8a3487cea55f89afd6c10139cb1ef8c801ec19a0a800d165d1b86e8be661786a7c803f857cc9dd652f1c09b45c1e36339ed1463e4008549d2e7947fa26c024a91e2a2d779d71824fd849d7f4360487e8914c974a08c5918c4d2fe47e325f0208cca30efe2e20ad80c72ebe760ee282283e32cc7908ce8c33bf7c34de717d832021ca438e68c584a6f75f4e2219a44607ea6d1a722450df1c6a797291019dd3e062b227612ae2527450154345a6c2dc941f89a2be0e9bf976f277527f107134eacc3fc90849df3cac3bb9263a1d672edcead5f4d8c94234cd1671daeab8ba541288b5a0003f4681a8d1c056adb2303b356271d44152fe0fb1f58cf23e18a0db36c0f4c44236f51965f7ba0b0d63531edb031e7d9549af56ce4865ebc6edf1f6aa26c258b6bb68c368c99dc9c8dc367cb372e926b6e25125f35d90bec65b957a096985900df98b02ab8432d61724384c81f39991e14e4f1c01e882ce9fd1a869a023db64ea8d08a26d15aa0b150509553e27aeda9f2d5e032e27b44fc47842298a2f945c6d898996256d8059077adfe322a6cd5343ed2ebb742bca282f7fd20a0ac0a1fcd2273bd23e3bda846869c1ba8267ce651e6f7b03ca5863bfcea4d73bcc0d4aa1927777b61150e3cc99f3fda3427bed45f1c0b0c90ce4566c86dc11cd32ad51e7ef595b4fce1f34db4814ee3f211e06121dd68089f07cb3a5c2cab4a8e1f8b71a458be7b40b021107029902d07a25b097b169884ac4d10ad493f21a9cef40ef89d3326b117a227ddb97da19b75817ac5f1c1affbfcd69b7c6c9b5b8c8e7f7ed284cd14cd8102bb00e40cd655f316e92fa0dda1fdc9070"}) (rerun: 64) [ 962.101504] nbd: couldn't find device at index -1577385984 [ 962.137399] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 36) 23:23:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x37, {0x29}}, 0x14}}, 0x0) 23:23:08 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000500000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 962.156930] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 962.181121] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:08 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x71b081, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x38, {0x29}}, 0x14}}, 0x0) 23:23:08 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x71b081, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 962.232825] FAULT_INJECTION: forcing a failure. [ 962.232825] name failslab, interval 1, probability 0, space 0, times 0 [ 962.251498] CPU: 1 PID: 7064 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 962.259356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 962.268716] Call Trace: [ 962.271325] dump_stack+0x1fc/0x2ef [ 962.274973] should_fail.cold+0xa/0xf [ 962.278796] ? setup_fault_attr+0x200/0x200 [ 962.283137] ? lock_acquire+0x170/0x3c0 [ 962.287123] __should_failslab+0x115/0x180 [ 962.291369] should_failslab+0x5/0x10 [ 962.295211] kmem_cache_alloc_trace+0x284/0x380 [ 962.299902] ? blk_mq_hctx_mark_pending+0x1f0/0x1f0 [ 962.304937] ? plug_ctx_cmp+0x100/0x100 [ 962.308923] blk_stat_alloc_callback+0x54/0x290 [ 962.313625] blk_mq_init_allocated_queue+0x80/0x1300 [ 962.318743] ? blkcg_init_queue+0x1fd/0x540 [ 962.323084] ? blk_alloc_queue_node+0x7e4/0xbf0 [ 962.327775] blk_mq_init_queue+0x5c/0xa0 23:23:08 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x71b081, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) (async, rerun: 32) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (rerun: 32) [ 962.331847] nbd_dev_add+0x2b9/0x890 [ 962.335580] nbd_genl_connect+0x488/0x1630 [ 962.339831] ? nbd_xmit_timeout+0x730/0x730 [ 962.344168] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 962.349395] ? validate_nla+0x270/0x820 [ 962.353399] ? nla_parse+0x1b2/0x290 [ 962.357135] genl_family_rcv_msg+0x642/0xc40 [ 962.361563] ? genl_rcv+0x40/0x40 [ 962.365020] ? genl_rcv_msg+0x12f/0x160 [ 962.369005] ? mutex_trylock+0x1a0/0x1a0 [ 962.373079] ? __radix_tree_lookup+0x216/0x370 [ 962.377683] genl_rcv_msg+0xbf/0x160 23:23:08 executing program 0: write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000040)={0x50, 0x0, 0x0, {0x7, 0x24, 0xe9, 0x864080, 0x8, 0x2, 0x3, 0x6}}, 0x50) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 962.381418] netlink_rcv_skb+0x160/0x440 [ 962.385487] ? genl_family_rcv_msg+0xc40/0xc40 [ 962.390085] ? netlink_ack+0xae0/0xae0 [ 962.393993] ? genl_rcv+0x15/0x40 [ 962.398451] genl_rcv+0x24/0x40 [ 962.401749] netlink_unicast+0x4d5/0x690 [ 962.406004] ? netlink_sendskb+0x110/0x110 [ 962.410266] ? _copy_from_iter_full+0x229/0x7c0 [ 962.414951] ? __phys_addr_symbol+0x2c/0x70 [ 962.419282] ? __check_object_size+0x17b/0x3e0 [ 962.423926] netlink_sendmsg+0x6c3/0xc50 [ 962.427999] ? aa_af_perm+0x230/0x230 [ 962.431812] ? nlmsg_notify+0x1f0/0x1f0 [ 962.435791] ? kernel_recvmsg+0x220/0x220 [ 962.439954] ? nlmsg_notify+0x1f0/0x1f0 [ 962.443922] sock_sendmsg+0xc3/0x120 [ 962.448405] ___sys_sendmsg+0x7bb/0x8e0 [ 962.452385] ? check_preemption_disabled+0x41/0x280 [ 962.457397] ? copy_msghdr_from_user+0x440/0x440 [ 962.462257] ? __fget+0x32f/0x510 [ 962.465708] ? lock_downgrade+0x720/0x720 [ 962.469853] ? check_preemption_disabled+0x41/0x280 [ 962.474869] ? check_preemption_disabled+0x41/0x280 [ 962.479881] ? __fget+0x356/0x510 [ 962.483345] ? do_dup2+0x450/0x450 [ 962.486964] ? lock_downgrade+0x720/0x720 [ 962.491112] ? vfs_write+0x3d7/0x540 [ 962.494818] ? __fdget+0x1d0/0x230 [ 962.498351] __x64_sys_sendmsg+0x132/0x220 [ 962.502582] ? __sys_sendmsg+0x1b0/0x1b0 [ 962.506637] ? vfs_write+0x393/0x540 [ 962.510360] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 962.515725] ? trace_hardirqs_off_caller+0x6e/0x210 [ 962.520746] ? do_syscall_64+0x21/0x620 [ 962.524718] do_syscall_64+0xf9/0x620 [ 962.528518] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.533734] RIP: 0033:0x7f1dcd3b15a9 [ 962.537453] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 962.556693] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 962.564387] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 962.571653] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:23:08 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000400001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 962.579379] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 962.586730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 962.593990] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 962.620892] nbd: failed to add new device [ 962.676591] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 962.697076] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 962.710700] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:08 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f0000000240)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = getpgrp(r0) sched_setscheduler(r3, 0x0, &(0x7f0000000000)=0x2) clock_gettime(0x0, 0x0) sendmmsg$unix(r2, &(0x7f0000004b80)=[{{0x0, 0x0, &(0x7f0000000100), 0x0, 0x0, 0x0, 0x800}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32, @ANYRES32=r1, @ANYBLOB="100000000000000001000000010000001c0000000000000000020000007d4675032755f7bb1f3479932165cb2114462a1053c38133a1ff27b5e96b7256888f4c9ede4bf19a1f050ffed3a161df40fd2fdad712a7bd4176900cc868582740e8e702fc2b6bd99602ea4927fe20e4b05edc05ddca6482477a1546b9c239e0e9ffd64c1a04d4d7490fc3daa28a5a", @ANYRES32=r0, @ANYRES32=0xee01, @ANYRES32=0xee01, @ANYBLOB='\x00\x00\x00\x00'], 0xa8, 0x4004000}}, {{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000b00)}], 0x1, 0x0, 0x0, 0xc0}}, {{&(0x7f0000000c40)=@file={0x0, './bus\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x30054004}}, {{0x0, 0x0, &(0x7f0000001000)=[{&(0x7f0000000fc0)}], 0x1, &(0x7f0000000580)=ANY=[@ANYBLOB="1c000000000000", @ANYRES32, @ANYRES32=r2, @ANYBLOB="c2ec69bc7947f061fb36132ed5d7aab0c189656f9c551c208e3ed81db2711e42a2c03ec9a15f0c3d20c737b9467d87d1f60180829fb4c1bdf10e9dc49b4cc04c7f99817a607f704f81260d8dd6d96e02e96faacfbfb44f00944107558dd5fb864726c86bdbb9ad9069302970c7903820d888f0a9db666541a447e0de6853f796356842bf3237b912b9b12cf0c31c33be953d7cb6c5136469ad011d55ac8d1258d8c218ffcc54746df6d7224c5034fe13daab54517725eee347f70f74ed90c4f8ae8d2d066465f4cd22b90cfd9eb462051b349c43", @ANYBLOB, @ANYRES32, @ANYBLOB="000000001c00000000000000010000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="1c000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB='\x00\x00\x00\x00 \x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="be26779a47b1640c706430c5ee185fd13545304cb52d981fd198da48b4ceeb0a79a3a177798e4dd71fed15647def00"], 0xf8, 0x4008811}}], 0x5, 0x0) write(0xffffffffffffffff, 0x0, 0x0) r4 = creat(&(0x7f0000000100)='./file0\x00', 0x5d) fcntl$setstatus(r4, 0x4, 0x46802) io_setup(0x100000000000c333, &(0x7f0000000180)=0x0) io_submit(r5, 0x20000000000001cb, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x400000000000, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x377140be6b5ef4c7}]) syncfs(r4) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) (async) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) (async) getpid() (async) sched_setaffinity(0x0, 0x8, &(0x7f0000000240)=0x2) (async) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) (async) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) (async) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) (async) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) (async) getpgrp(r0) (async) sched_setscheduler(r3, 0x0, &(0x7f0000000000)=0x2) (async) clock_gettime(0x0, 0x0) (async) sendmmsg$unix(r2, &(0x7f0000004b80)=[{{0x0, 0x0, &(0x7f0000000100), 0x0, 0x0, 0x0, 0x800}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000000018000000000000000100000001000000", @ANYRES32, @ANYRES32=r1, @ANYBLOB="100000000000000001000000010000001c0000000000000000020000007d4675032755f7bb1f3479932165cb2114462a1053c38133a1ff27b5e96b7256888f4c9ede4bf19a1f050ffed3a161df40fd2fdad712a7bd4176900cc868582740e8e702fc2b6bd99602ea4927fe20e4b05edc05ddca6482477a1546b9c239e0e9ffd64c1a04d4d7490fc3daa28a5a", @ANYRES32=r0, @ANYRES32=0xee01, @ANYRES32=0xee01, @ANYBLOB='\x00\x00\x00\x00'], 0xa8, 0x4004000}}, {{0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000b00)}], 0x1, 0x0, 0x0, 0xc0}}, {{&(0x7f0000000c40)=@file={0x0, './bus\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x30054004}}, {{0x0, 0x0, &(0x7f0000001000)=[{&(0x7f0000000fc0)}], 0x1, &(0x7f0000000580)=ANY=[@ANYBLOB="1c000000000000", @ANYRES32, @ANYRES32=r2, @ANYBLOB="c2ec69bc7947f061fb36132ed5d7aab0c189656f9c551c208e3ed81db2711e42a2c03ec9a15f0c3d20c737b9467d87d1f60180829fb4c1bdf10e9dc49b4cc04c7f99817a607f704f81260d8dd6d96e02e96faacfbfb44f00944107558dd5fb864726c86bdbb9ad9069302970c7903820d888f0a9db666541a447e0de6853f796356842bf3237b912b9b12cf0c31c33be953d7cb6c5136469ad011d55ac8d1258d8c218ffcc54746df6d7224c5034fe13daab54517725eee347f70f74ed90c4f8ae8d2d066465f4cd22b90cfd9eb462051b349c43", @ANYBLOB, @ANYRES32, @ANYBLOB="000000001c00000000000000010000", @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="1c000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB='\x00\x00\x00\x00 \x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="be26779a47b1640c706430c5ee185fd13545304cb52d981fd198da48b4ceeb0a79a3a177798e4dd71fed15647def00"], 0xf8, 0x4008811}}], 0x5, 0x0) (async) write(0xffffffffffffffff, 0x0, 0x0) (async) creat(&(0x7f0000000100)='./file0\x00', 0x5d) (async) fcntl$setstatus(r4, 0x4, 0x46802) (async) io_setup(0x100000000000c333, &(0x7f0000000180)) (async) io_submit(r5, 0x20000000000001cb, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x400000000000, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x377140be6b5ef4c7}]) (async) syncfs(r4) (async) 23:23:08 executing program 0: write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000040)={0x50, 0x0, 0x0, {0x7, 0x24, 0xe9, 0x864080, 0x8, 0x2, 0x3, 0x6}}, 0x50) (async) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 37) 23:23:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x39, {0x29}}, 0x14}}, 0x0) 23:23:08 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000600000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:08 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000600001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x3a, {0x29}}, 0x14}}, 0x0) [ 963.118652] FAULT_INJECTION: forcing a failure. [ 963.118652] name failslab, interval 1, probability 0, space 0, times 0 [ 963.138322] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 963.148653] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 963.192975] CPU: 1 PID: 7108 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 963.200808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 963.210168] Call Trace: [ 963.212768] dump_stack+0x1fc/0x2ef [ 963.216400] should_fail.cold+0xa/0xf [ 963.220206] ? setup_fault_attr+0x200/0x200 [ 963.224528] ? __debug_object_init+0x410/0x9b0 [ 963.229123] __should_failslab+0x115/0x180 [ 963.233359] should_failslab+0x5/0x10 [ 963.237158] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 963.242290] __kmalloc_node+0x38/0x70 [ 963.246878] blk_mq_realloc_hw_ctxs+0x568/0x1000 [ 963.251658] blk_mq_init_allocated_queue+0x20c/0x1300 [ 963.256849] ? blkcg_init_queue+0x1fd/0x540 [ 963.261231] blk_mq_init_queue+0x5c/0xa0 [ 963.265305] nbd_dev_add+0x2b9/0x890 [ 963.269116] nbd_genl_connect+0x488/0x1630 [ 963.273358] ? nbd_xmit_timeout+0x730/0x730 [ 963.277683] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 963.282877] ? validate_nla+0x270/0x820 [ 963.286852] ? nla_parse+0x1b2/0x290 [ 963.290570] genl_family_rcv_msg+0x642/0xc40 [ 963.294989] ? genl_rcv+0x40/0x40 [ 963.298440] ? genl_rcv_msg+0x12f/0x160 [ 963.302420] ? mutex_trylock+0x1a0/0x1a0 [ 963.306488] ? __radix_tree_lookup+0x216/0x370 [ 963.311078] genl_rcv_msg+0xbf/0x160 [ 963.314800] netlink_rcv_skb+0x160/0x440 [ 963.318863] ? genl_family_rcv_msg+0xc40/0xc40 [ 963.323443] ? netlink_ack+0xae0/0xae0 [ 963.327331] ? genl_rcv+0x15/0x40 [ 963.330792] genl_rcv+0x24/0x40 [ 963.334089] netlink_unicast+0x4d5/0x690 [ 963.338169] ? netlink_sendskb+0x110/0x110 [ 963.342423] ? _copy_from_iter_full+0x229/0x7c0 [ 963.347108] ? __phys_addr_symbol+0x2c/0x70 [ 963.351440] ? __check_object_size+0x17b/0x3e0 [ 963.356031] netlink_sendmsg+0x6c3/0xc50 [ 963.360102] ? aa_af_perm+0x230/0x230 [ 963.363903] ? nlmsg_notify+0x1f0/0x1f0 [ 963.367876] ? kernel_recvmsg+0x220/0x220 [ 963.372036] ? nlmsg_notify+0x1f0/0x1f0 [ 963.376014] sock_sendmsg+0xc3/0x120 [ 963.379814] ___sys_sendmsg+0x7bb/0x8e0 [ 963.383791] ? check_preemption_disabled+0x41/0x280 [ 963.388807] ? copy_msghdr_from_user+0x440/0x440 23:23:09 executing program 0: write$FUSE_INIT(0xffffffffffffffff, &(0x7f0000000040)={0x50, 0x0, 0x0, {0x7, 0x24, 0xe9, 0x864080, 0x8, 0x2, 0x3, 0x6}}, 0x50) (async) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 963.393564] ? __fget+0x32f/0x510 [ 963.397025] ? lock_downgrade+0x720/0x720 [ 963.401172] ? check_preemption_disabled+0x41/0x280 [ 963.406192] ? check_preemption_disabled+0x41/0x280 [ 963.411220] ? __fget+0x356/0x510 [ 963.414674] ? do_dup2+0x450/0x450 [ 963.418217] ? lock_downgrade+0x720/0x720 [ 963.422513] ? vfs_write+0x3d7/0x540 [ 963.426252] ? __fdget+0x1d0/0x230 [ 963.429815] __x64_sys_sendmsg+0x132/0x220 [ 963.434081] ? __sys_sendmsg+0x1b0/0x1b0 [ 963.438158] ? vfs_write+0x393/0x540 [ 963.441902] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 963.447286] ? trace_hardirqs_off_caller+0x6e/0x210 [ 963.447715] FAT-fs (loop1): FAT read failed (blocknr 32) [ 963.452311] ? do_syscall_64+0x21/0x620 [ 963.452350] do_syscall_64+0xf9/0x620 [ 963.452368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.452380] RIP: 0033:0x7f1dcd3b15a9 [ 963.452393] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 963.452399] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 963.452412] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 963.452418] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 963.452424] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 963.452431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 963.452438] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:09 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000700000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xf0, {0x29}}, 0x14}}, 0x0) 23:23:09 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x400000, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 963.550869] nbd: failed to add new device 23:23:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 38) 23:23:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x3a, {0x29}}, 0x14}}, 0x0) 23:23:09 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000101000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:09 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x400000, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x400000, 0x0) (async) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x300, {0x29}}, 0x14}}, 0x0) [ 963.694133] FAULT_INJECTION: forcing a failure. [ 963.694133] name failslab, interval 1, probability 0, space 0, times 0 [ 963.708858] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 963.722384] CPU: 0 PID: 7141 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 963.730222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 963.739587] Call Trace: [ 963.742181] dump_stack+0x1fc/0x2ef [ 963.745821] should_fail.cold+0xa/0xf [ 963.749666] ? setup_fault_attr+0x200/0x200 [ 963.754049] ? lock_acquire+0x170/0x3c0 [ 963.758021] __should_failslab+0x115/0x180 [ 963.762254] should_failslab+0x5/0x10 [ 963.766049] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 963.771148] __kmalloc_node+0x38/0x70 [ 963.775028] blk_mq_init_allocated_queue+0x178/0x1300 [ 963.780213] ? blkcg_init_queue+0x1fd/0x540 [ 963.784537] blk_mq_init_queue+0x5c/0xa0 [ 963.788616] nbd_dev_add+0x2b9/0x890 [ 963.792325] nbd_genl_connect+0x488/0x1630 [ 963.796555] ? nbd_xmit_timeout+0x730/0x730 [ 963.800879] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 963.806060] ? validate_nla+0x270/0x820 [ 963.810026] ? nla_parse+0x1b2/0x290 [ 963.813736] genl_family_rcv_msg+0x642/0xc40 [ 963.818137] ? genl_rcv+0x40/0x40 [ 963.821589] ? genl_rcv_msg+0x12f/0x160 [ 963.825552] ? mutex_trylock+0x1a0/0x1a0 [ 963.829612] ? __radix_tree_lookup+0x216/0x370 [ 963.834201] genl_rcv_msg+0xbf/0x160 [ 963.837909] netlink_rcv_skb+0x160/0x440 [ 963.841965] ? genl_family_rcv_msg+0xc40/0xc40 [ 963.846542] ? netlink_ack+0xae0/0xae0 [ 963.850419] ? genl_rcv+0x15/0x40 [ 963.853868] genl_rcv+0x24/0x40 [ 963.857139] netlink_unicast+0x4d5/0x690 [ 963.861201] ? netlink_sendskb+0x110/0x110 [ 963.865437] ? _copy_from_iter_full+0x229/0x7c0 [ 963.870186] ? __phys_addr_symbol+0x2c/0x70 [ 963.874504] ? __check_object_size+0x17b/0x3e0 [ 963.879095] netlink_sendmsg+0x6c3/0xc50 [ 963.883152] ? aa_af_perm+0x230/0x230 [ 963.886943] ? nlmsg_notify+0x1f0/0x1f0 [ 963.890905] ? kernel_recvmsg+0x220/0x220 [ 963.895051] ? nlmsg_notify+0x1f0/0x1f0 [ 963.899106] sock_sendmsg+0xc3/0x120 [ 963.902810] ___sys_sendmsg+0x7bb/0x8e0 [ 963.906774] ? check_preemption_disabled+0x41/0x280 [ 963.911774] ? copy_msghdr_from_user+0x440/0x440 [ 963.916518] ? __fget+0x32f/0x510 [ 963.919961] ? lock_downgrade+0x720/0x720 [ 963.924096] ? check_preemption_disabled+0x41/0x280 [ 963.929103] ? check_preemption_disabled+0x41/0x280 [ 963.934107] ? __fget+0x356/0x510 [ 963.937547] ? do_dup2+0x450/0x450 [ 963.941076] ? lock_downgrade+0x720/0x720 [ 963.945214] ? vfs_write+0x3d7/0x540 [ 963.948916] ? __fdget+0x1d0/0x230 [ 963.952445] __x64_sys_sendmsg+0x132/0x220 [ 963.956669] ? __sys_sendmsg+0x1b0/0x1b0 [ 963.960715] ? vfs_write+0x393/0x540 [ 963.964426] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 963.969777] ? trace_hardirqs_off_caller+0x6e/0x210 [ 963.974787] ? do_syscall_64+0x21/0x620 [ 963.978758] do_syscall_64+0xf9/0x620 [ 963.982551] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.987747] RIP: 0033:0x7f1dcd3b15a9 [ 963.991451] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 964.011034] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 964.018913] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 964.026254] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 964.033508] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 23:23:09 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000900000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:09 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x400000, 0x0) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x400000, 0x0) (async) ioctl$SNAPSHOT_S2RAM(r0, 0x330b) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 964.040774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 964.048060] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:09 executing program 3: r0 = creat(&(0x7f0000000280)='./file0\x00', 0xecf86c37d53049cc) write$binfmt_script(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="2321202e2f66696c653020cde4b352"], 0x191) perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x1, 0x6}, 0x40000, 0x0, 0x554f}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) close(r0) openat$khugepaged_scan(0xffffff9c, 0x0, 0x1, 0x0) setxattr$security_capability(&(0x7f0000000140)='./file0\x00', &(0x7f0000000200), &(0x7f00000003c0)=@v2={0x2000000, [{0x8001, 0xfffffffc}]}, 0x14, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) r2 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x8423, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) r3 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/vm/compact_memory\x00', 0x1, 0x0) write$sysctl(r3, 0x0, 0x0) r4 = dup2(r3, r2) recvmsg$can_bcm(r4, 0x0, 0xcee0ca55d9104dfb) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f0000000040)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x5c}) bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0x8, 0x7f}, 0x48) r5 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)}], 0x1, &(0x7f0000000480)=ANY=[@ANYRESHEX=r3, @ANYRES64=r5, @ANYRESDEC=0x0, @ANYRES32, @ANYRES8, @ANYRES64, @ANYRESOCT], 0x80}, 0x4004040) execve(&(0x7f0000000400)='./file0\x00', 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000240), &(0x7f0000000500)={0x0, 0xfb, 0xb8, 0x2, 0x7, "7b65eaf467880f0ac3bed835dd7b6417", "c00f0d2e91ecc110c1eecf601026a56422d8d2ec366001ba77109eb3b6b68c9f83c4b991d81672edf5c472b234e547edf3d850f8b9afd96b561b9a078936584ffa9fca3d6a290cefb6b44f806d60a51205ea163ab77a70f949ec1af6d853810dd3529bdcdaab78aa5bf34781e18ad273c64c311c70ccfee425f7f2ee9f7d301e16fdc9f97ae6d463bb57ae35c60bcfafdb4da96bd8e51a13bde0b6bb2bbe94666c9ecd"}, 0xb8, 0x2) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) 23:23:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x324, {0x29}}, 0x14}}, 0x0) [ 964.116957] nbd: failed to add new device 23:23:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 39) 23:23:10 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_type(r1, &(0x7f0000000140), 0x9) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, r0, {0x4}}, './file0\x00'}) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r4, 0xc0096616, &(0x7f0000000340)={0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r5 = dup(r3) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r7, 0x80083313, &(0x7f0000000000)) r8 = open(&(0x7f0000000080)='./file0\x00', 0x4c4201, 0x0) openat$cgroup_procs(r8, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) r9 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r9, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) writev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180)="bcd07bff15bcdc503f6206773111f8e3895f111077de603ac3ae5a07ceba70de52f0c6547b0e", 0x26}, {&(0x7f00000001c0)="14895b784e28398d133f144f4da33c65d3ddad5be4610ac19df5540289623a997b748b95bf72063c60e57e10e8e05d7170e06a3f1012ff926a883653f7a0505e595ae68de14a88ab6c64f4547f2df6de7f202d2a28801e0a83bde1e7a530c00c2d0fb0f24ae6c7820a8a0d1b382d57cf5a2e06bfa9dc3974abf021829150a356dda8e0009314da179b1403a965cbe0aaac96ec3ff24773ebcc8eec1ff825670f81de8075bd8705910b05550ebbfb8d5ad23085cf7f80daa9257e0b08552365a55001b8e296df4a529b", 0xc9}], 0x2) ioctl$SNAPSHOT_FREE(r9, 0x3305) write$snapshot(r8, &(0x7f0000000040)="85964a9ab8a61c3d8956bd4cd0ef63061667cc1953bf186f31b60308575a2616375e95ba5c04fd9358db970ced3b83f290cdea24dafdabf6f33cf306362710cc55dc492cad72c60db6970d7255ab957f20edafaa502ec1f2e09bd3c8ddb5418d7ae082f4a182eda89fb6b64cc9b3c20e95929512375d74a8a7fdfbdf57119a8f07e8be2097526159946e5e42099abf96f1ddbb862ef9b96e6929c652f953438df97e8313bc4708b28963340de3450f6ca8122ef08ea384a652597cd39d482c857c70c55428c6452fb8fd35", 0xcb) 23:23:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x500, {0x29}}, 0x14}}, 0x0) [ 964.210623] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000a00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 964.263649] overlayfs: './file0' not a directory [ 964.269978] FAULT_INJECTION: forcing a failure. [ 964.269978] name failslab, interval 1, probability 0, space 0, times 0 [ 964.308267] CPU: 0 PID: 7176 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 964.316097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 964.325458] Call Trace: [ 964.328061] dump_stack+0x1fc/0x2ef [ 964.331704] should_fail.cold+0xa/0xf [ 964.335604] ? setup_fault_attr+0x200/0x200 [ 964.339929] ? __debug_object_init+0x410/0x9b0 [ 964.344532] __should_failslab+0x115/0x180 [ 964.348782] should_failslab+0x5/0x10 [ 964.352594] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 964.357714] __kmalloc_node+0x38/0x70 [ 964.361535] blk_mq_realloc_hw_ctxs+0x568/0x1000 [ 964.366321] blk_mq_init_allocated_queue+0x20c/0x1300 [ 964.371528] ? blkcg_init_queue+0x1fd/0x540 [ 964.375874] blk_mq_init_queue+0x5c/0xa0 [ 964.379958] nbd_dev_add+0x2b9/0x890 [ 964.383692] nbd_genl_connect+0x488/0x1630 [ 964.387951] ? nbd_xmit_timeout+0x730/0x730 [ 964.392291] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 964.397498] ? validate_nla+0x270/0x820 [ 964.401491] ? nla_parse+0x1b2/0x290 [ 964.405230] genl_family_rcv_msg+0x642/0xc40 [ 964.409652] ? genl_rcv+0x40/0x40 [ 964.413094] ? genl_rcv_msg+0x12f/0x160 [ 964.417067] ? mutex_trylock+0x1a0/0x1a0 [ 964.421125] ? __radix_tree_lookup+0x216/0x370 [ 964.425705] genl_rcv_msg+0xbf/0x160 [ 964.429409] netlink_rcv_skb+0x160/0x440 [ 964.433462] ? genl_family_rcv_msg+0xc40/0xc40 [ 964.438033] ? netlink_ack+0xae0/0xae0 [ 964.441909] ? genl_rcv+0x15/0x40 [ 964.445356] genl_rcv+0x24/0x40 [ 964.448769] netlink_unicast+0x4d5/0x690 [ 964.452838] ? netlink_sendskb+0x110/0x110 [ 964.457091] ? _copy_from_iter_full+0x229/0x7c0 [ 964.461759] ? __phys_addr_symbol+0x2c/0x70 [ 964.466084] ? __check_object_size+0x17b/0x3e0 [ 964.470672] netlink_sendmsg+0x6c3/0xc50 [ 964.474730] ? aa_af_perm+0x230/0x230 [ 964.478517] ? nlmsg_notify+0x1f0/0x1f0 [ 964.482479] ? kernel_recvmsg+0x220/0x220 [ 964.486624] ? nlmsg_notify+0x1f0/0x1f0 [ 964.490587] sock_sendmsg+0xc3/0x120 [ 964.494523] ___sys_sendmsg+0x7bb/0x8e0 [ 964.498488] ? check_preemption_disabled+0x41/0x280 [ 964.503492] ? copy_msghdr_from_user+0x440/0x440 [ 964.508235] ? __fget+0x32f/0x510 [ 964.511703] ? lock_downgrade+0x720/0x720 [ 964.515850] ? check_preemption_disabled+0x41/0x280 [ 964.520866] ? check_preemption_disabled+0x41/0x280 [ 964.525879] ? __fget+0x356/0x510 [ 964.529341] ? do_dup2+0x450/0x450 [ 964.532867] ? lock_downgrade+0x720/0x720 [ 964.537013] ? vfs_write+0x3d7/0x540 [ 964.540724] ? __fdget+0x1d0/0x230 [ 964.544254] __x64_sys_sendmsg+0x132/0x220 [ 964.548477] ? __sys_sendmsg+0x1b0/0x1b0 [ 964.552524] ? vfs_write+0x393/0x540 [ 964.556236] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 964.561602] ? trace_hardirqs_off_caller+0x6e/0x210 [ 964.566609] ? do_syscall_64+0x21/0x620 [ 964.570581] do_syscall_64+0xf9/0x620 [ 964.574375] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 964.579550] RIP: 0033:0x7f1dcd3b15a9 [ 964.583253] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 964.602314] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 964.610007] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 964.617267] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 964.624523] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 964.631782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 964.639061] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:10 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_type(r1, &(0x7f0000000140), 0x9) (async) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, r0, {0x4}}, './file0\x00'}) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r4, 0xc0096616, &(0x7f0000000340)={0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) (async, rerun: 64) r5 = dup(r3) (rerun: 64) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r7, 0x80083313, &(0x7f0000000000)) r8 = open(&(0x7f0000000080)='./file0\x00', 0x4c4201, 0x0) openat$cgroup_procs(r8, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async, rerun: 64) r9 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (rerun: 64) openat$cgroup_procs(r9, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) writev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180)="bcd07bff15bcdc503f6206773111f8e3895f111077de603ac3ae5a07ceba70de52f0c6547b0e", 0x26}, {&(0x7f00000001c0)="14895b784e28398d133f144f4da33c65d3ddad5be4610ac19df5540289623a997b748b95bf72063c60e57e10e8e05d7170e06a3f1012ff926a883653f7a0505e595ae68de14a88ab6c64f4547f2df6de7f202d2a28801e0a83bde1e7a530c00c2d0fb0f24ae6c7820a8a0d1b382d57cf5a2e06bfa9dc3974abf021829150a356dda8e0009314da179b1403a965cbe0aaac96ec3ff24773ebcc8eec1ff825670f81de8075bd8705910b05550ebbfb8d5ad23085cf7f80daa9257e0b08552365a55001b8e296df4a529b", 0xc9}], 0x2) (async) ioctl$SNAPSHOT_FREE(r9, 0x3305) (async) write$snapshot(r8, &(0x7f0000000040)="85964a9ab8a61c3d8956bd4cd0ef63061667cc1953bf186f31b60308575a2616375e95ba5c04fd9358db970ced3b83f290cdea24dafdabf6f33cf306362710cc55dc492cad72c60db6970d7255ab957f20edafaa502ec1f2e09bd3c8ddb5418d7ae082f4a182eda89fb6b64cc9b3c20e95929512375d74a8a7fdfbdf57119a8f07e8be2097526159946e5e42099abf96f1ddbb862ef9b96e6929c652f953438df97e8313bc4708b28963340de3450f6ca8122ef08ea384a652597cd39d482c857c70c55428c6452fb8fd35", 0xcb) [ 964.651840] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:23:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000201000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 964.690259] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000640b00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 964.749444] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:10 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r2 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) write$cgroup_type(r1, &(0x7f0000000140), 0x9) (async) r3 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000000300)={{0x1, 0x1, 0x18, r0, {0x4}}, './file0\x00'}) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r4, 0xc0096616, &(0x7f0000000340)={0x9, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) (async) r5 = dup(r3) write$6lowpan_enable(r5, &(0x7f0000000000)='0', 0xfffffd2c) (async) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r7, 0x80083313, &(0x7f0000000000)) (async) r8 = open(&(0x7f0000000080)='./file0\x00', 0x4c4201, 0x0) openat$cgroup_procs(r8, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) r9 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r9, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) writev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180)="bcd07bff15bcdc503f6206773111f8e3895f111077de603ac3ae5a07ceba70de52f0c6547b0e", 0x26}, {&(0x7f00000001c0)="14895b784e28398d133f144f4da33c65d3ddad5be4610ac19df5540289623a997b748b95bf72063c60e57e10e8e05d7170e06a3f1012ff926a883653f7a0505e595ae68de14a88ab6c64f4547f2df6de7f202d2a28801e0a83bde1e7a530c00c2d0fb0f24ae6c7820a8a0d1b382d57cf5a2e06bfa9dc3974abf021829150a356dda8e0009314da179b1403a965cbe0aaac96ec3ff24773ebcc8eec1ff825670f81de8075bd8705910b05550ebbfb8d5ad23085cf7f80daa9257e0b08552365a55001b8e296df4a529b", 0xc9}], 0x2) ioctl$SNAPSHOT_FREE(r9, 0x3305) (async) write$snapshot(r8, &(0x7f0000000040)="85964a9ab8a61c3d8956bd4cd0ef63061667cc1953bf186f31b60308575a2616375e95ba5c04fd9358db970ced3b83f290cdea24dafdabf6f33cf306362710cc55dc492cad72c60db6970d7255ab957f20edafaa502ec1f2e09bd3c8ddb5418d7ae082f4a182eda89fb6b64cc9b3c20e95929512375d74a8a7fdfbdf57119a8f07e8be2097526159946e5e42099abf96f1ddbb862ef9b96e6929c652f953438df97e8313bc4708b28963340de3450f6ca8122ef08ea384a652597cd39d482c857c70c55428c6452fb8fd35", 0xcb) [ 964.818125] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 964.842203] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x600, {0x29}}, 0x14}}, 0x0) [ 964.865413] nbd: failed to add new device 23:23:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000301000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 964.919511] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 964.954450] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 964.965287] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x700, {0x29}}, 0x14}}, 0x0) 23:23:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 40) 23:23:10 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r1, 0x3309) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) open(&(0x7f0000000080)='./file0\x00', 0x80141, 0x5bc1e08b65379983) ioctl$SNAPSHOT_FREE(r1, 0x3305) 23:23:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000650b00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000401000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:10 executing program 3: r0 = creat(&(0x7f0000000280)='./file0\x00', 0xecf86c37d53049cc) write$binfmt_script(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="2321202e2f66696c653020cde4b352"], 0x191) perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0x6}, 0x40000, 0x0, 0x554f}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) close(r0) openat$khugepaged_scan(0xffffff9c, 0x0, 0x1, 0x0) setxattr$security_capability(&(0x7f0000000140)='./file0\x00', &(0x7f0000000200), &(0x7f00000003c0)=@v2={0x2000000, [{0x8001, 0xfffffffc}]}, 0x14, 0x0) (async) r1 = openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) (async) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) (async) r2 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x8423, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) r3 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/vm/compact_memory\x00', 0x1, 0x0) write$sysctl(r3, 0x0, 0x0) r4 = dup2(r3, r2) recvmsg$can_bcm(r4, 0x0, 0xcee0ca55d9104dfb) (async) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f0000000040)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x5c}) (async) bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0x8, 0x7f}, 0x48) r5 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)}], 0x1, &(0x7f0000000480)=ANY=[@ANYRESHEX=r3, @ANYRES64=r5, @ANYRESDEC=0x0, @ANYRES32, @ANYRES8, @ANYRES64, @ANYRESOCT], 0x80}, 0x4004040) execve(&(0x7f0000000400)='./file0\x00', 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000240), &(0x7f0000000500)={0x0, 0xfb, 0xb8, 0x2, 0x7, "7b65eaf467880f0ac3bed835dd7b6417", "c00f0d2e91ecc110c1eecf601026a56422d8d2ec366001ba77109eb3b6b68c9f83c4b991d81672edf5c472b234e547edf3d850f8b9afd96b561b9a078936584ffa9fca3d6a290cefb6b44f806d60a51205ea163ab77a70f949ec1af6d853810dd3529bdcdaab78aa5bf34781e18ad273c64c311c70ccfee425f7f2ee9f7d301e16fdc9f97ae6d463bb57ae35c60bcfafdb4da96bd8e51a13bde0b6bb2bbe94666c9ecd"}, 0xb8, 0x2) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) 23:23:10 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r1, 0x3309) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) open(&(0x7f0000000080)='./file0\x00', 0x80141, 0x5bc1e08b65379983) (async) ioctl$SNAPSHOT_FREE(r1, 0x3305) [ 965.078992] FAULT_INJECTION: forcing a failure. [ 965.078992] name failslab, interval 1, probability 0, space 0, times 0 [ 965.098593] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 965.118742] FAT-fs (loop1): FAT read failed (blocknr 32) [ 965.147746] CPU: 0 PID: 7226 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 965.155577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 965.164940] Call Trace: [ 965.167549] dump_stack+0x1fc/0x2ef [ 965.171201] should_fail.cold+0xa/0xf [ 965.175014] ? setup_fault_attr+0x200/0x200 [ 965.179330] ? should_fail+0x142/0x7b0 [ 965.183210] __should_failslab+0x115/0x180 [ 965.187438] should_failslab+0x5/0x10 [ 965.191323] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 965.196425] __kmalloc_node+0x38/0x70 [ 965.200217] sbitmap_init_node+0x123/0x440 [ 965.204446] blk_mq_realloc_hw_ctxs+0x5db/0x1000 [ 965.209206] blk_mq_init_allocated_queue+0x20c/0x1300 [ 965.214384] ? blkcg_init_queue+0x1fd/0x540 [ 965.218705] blk_mq_init_queue+0x5c/0xa0 [ 965.222758] nbd_dev_add+0x2b9/0x890 [ 965.226465] nbd_genl_connect+0x488/0x1630 [ 965.230694] ? nbd_xmit_timeout+0x730/0x730 [ 965.235220] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 965.240548] ? validate_nla+0x270/0x820 [ 965.244619] ? nla_parse+0x1b2/0x290 [ 965.248336] genl_family_rcv_msg+0x642/0xc40 [ 965.252743] ? genl_rcv+0x40/0x40 [ 965.256317] ? genl_rcv_msg+0x12f/0x160 [ 965.260278] ? mutex_trylock+0x1a0/0x1a0 [ 965.264335] ? __radix_tree_lookup+0x216/0x370 [ 965.268913] genl_rcv_msg+0xbf/0x160 [ 965.272621] netlink_rcv_skb+0x160/0x440 [ 965.276672] ? genl_family_rcv_msg+0xc40/0xc40 [ 965.281253] ? netlink_ack+0xae0/0xae0 [ 965.285131] ? genl_rcv+0x15/0x40 [ 965.288576] genl_rcv+0x24/0x40 [ 965.291841] netlink_unicast+0x4d5/0x690 [ 965.295895] ? netlink_sendskb+0x110/0x110 [ 965.300119] ? _copy_from_iter_full+0x229/0x7c0 [ 965.304778] ? __phys_addr_symbol+0x2c/0x70 [ 965.309094] ? __check_object_size+0x17b/0x3e0 [ 965.314282] netlink_sendmsg+0x6c3/0xc50 [ 965.318335] ? aa_af_perm+0x230/0x230 [ 965.322121] ? nlmsg_notify+0x1f0/0x1f0 [ 965.326081] ? kernel_recvmsg+0x220/0x220 [ 965.330221] ? nlmsg_notify+0x1f0/0x1f0 [ 965.334184] sock_sendmsg+0xc3/0x120 [ 965.337884] ___sys_sendmsg+0x7bb/0x8e0 [ 965.341853] ? check_preemption_disabled+0x41/0x280 [ 965.346883] ? copy_msghdr_from_user+0x440/0x440 [ 965.351644] ? __fget+0x32f/0x510 [ 965.355092] ? lock_downgrade+0x720/0x720 [ 965.359229] ? check_preemption_disabled+0x41/0x280 [ 965.364242] ? check_preemption_disabled+0x41/0x280 [ 965.369252] ? __fget+0x356/0x510 [ 965.372696] ? do_dup2+0x450/0x450 [ 965.376230] ? lock_downgrade+0x720/0x720 [ 965.380366] ? vfs_write+0x3d7/0x540 [ 965.384070] ? __fdget+0x1d0/0x230 [ 965.387607] __x64_sys_sendmsg+0x132/0x220 [ 965.391832] ? __sys_sendmsg+0x1b0/0x1b0 [ 965.395880] ? vfs_write+0x393/0x540 [ 965.399597] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 965.405127] ? trace_hardirqs_off_caller+0x6e/0x210 [ 965.410135] ? do_syscall_64+0x21/0x620 [ 965.414101] do_syscall_64+0xf9/0x620 [ 965.417896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 965.423072] RIP: 0033:0x7f1dcd3b15a9 [ 965.426775] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 965.445663] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 965.453363] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 965.460618] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 965.467872] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 965.475146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 965.482423] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 965.496240] overlayfs: './file0' not a directory 23:23:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000501000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 965.520086] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000c00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:11 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r1, 0x3309) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) open(&(0x7f0000000080)='./file0\x00', 0x80141, 0x5bc1e08b65379983) ioctl$SNAPSHOT_FREE(r1, 0x3305) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000040)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) (async) ioctl$SNAPSHOT_FREE_SWAP_PAGES(r1, 0x3309) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) open(&(0x7f0000000080)='./file0\x00', 0x80141, 0x5bc1e08b65379983) (async) ioctl$SNAPSHOT_FREE(r1, 0x3305) (async) [ 965.630135] nbd: failed to add new device 23:23:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x900, {0x29}}, 0x14}}, 0x0) 23:23:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 41) [ 965.660798] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 965.675848] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 965.686742] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000000e00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000601000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 965.752611] FAULT_INJECTION: forcing a failure. [ 965.752611] name failslab, interval 1, probability 0, space 0, times 0 [ 965.833948] CPU: 0 PID: 7269 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 965.841778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 965.851142] Call Trace: [ 965.853750] dump_stack+0x1fc/0x2ef [ 965.857407] should_fail.cold+0xa/0xf [ 965.861228] ? setup_fault_attr+0x200/0x200 [ 965.865574] ? should_fail+0x142/0x7b0 [ 965.869487] __should_failslab+0x115/0x180 [ 965.873746] should_failslab+0x5/0x10 [ 965.877566] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 965.882687] __kmalloc_node+0x38/0x70 [ 965.886487] sbitmap_init_node+0x123/0x440 [ 965.890717] blk_mq_realloc_hw_ctxs+0x5db/0x1000 [ 965.895499] blk_mq_init_allocated_queue+0x20c/0x1300 [ 965.900681] ? blkcg_init_queue+0x1fd/0x540 [ 965.905002] blk_mq_init_queue+0x5c/0xa0 [ 965.909074] nbd_dev_add+0x2b9/0x890 [ 965.912794] nbd_genl_connect+0x488/0x1630 [ 965.917026] ? nbd_xmit_timeout+0x730/0x730 [ 965.921347] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 965.926527] ? validate_nla+0x270/0x820 [ 965.930496] ? nla_parse+0x1b2/0x290 [ 965.934203] genl_family_rcv_msg+0x642/0xc40 [ 965.938608] ? genl_rcv+0x40/0x40 [ 965.942049] ? genl_rcv_msg+0x12f/0x160 [ 965.946122] ? mutex_trylock+0x1a0/0x1a0 [ 965.950180] ? __radix_tree_lookup+0x216/0x370 [ 965.954757] genl_rcv_msg+0xbf/0x160 [ 965.958468] netlink_rcv_skb+0x160/0x440 [ 965.962521] ? genl_family_rcv_msg+0xc40/0xc40 [ 965.967094] ? netlink_ack+0xae0/0xae0 [ 965.970975] ? genl_rcv+0x15/0x40 [ 965.974446] genl_rcv+0x24/0x40 [ 965.977774] netlink_unicast+0x4d5/0x690 [ 965.981839] ? netlink_sendskb+0x110/0x110 [ 965.986163] ? _copy_from_iter_full+0x229/0x7c0 [ 965.990832] ? __phys_addr_symbol+0x2c/0x70 [ 965.995148] ? __check_object_size+0x17b/0x3e0 [ 965.999724] netlink_sendmsg+0x6c3/0xc50 [ 966.003863] ? aa_af_perm+0x230/0x230 [ 966.007655] ? nlmsg_notify+0x1f0/0x1f0 [ 966.011620] ? kernel_recvmsg+0x220/0x220 [ 966.015769] ? nlmsg_notify+0x1f0/0x1f0 [ 966.019735] sock_sendmsg+0xc3/0x120 [ 966.023445] ___sys_sendmsg+0x7bb/0x8e0 [ 966.027413] ? check_preemption_disabled+0x41/0x280 [ 966.032416] ? copy_msghdr_from_user+0x440/0x440 [ 966.037165] ? __fget+0x32f/0x510 [ 966.040615] ? lock_downgrade+0x720/0x720 [ 966.044754] ? check_preemption_disabled+0x41/0x280 [ 966.049764] ? check_preemption_disabled+0x41/0x280 [ 966.054772] ? __fget+0x356/0x510 [ 966.058215] ? do_dup2+0x450/0x450 [ 966.061744] ? lock_downgrade+0x720/0x720 [ 966.065888] ? vfs_write+0x3d7/0x540 [ 966.069598] ? __fdget+0x1d0/0x230 [ 966.073131] __x64_sys_sendmsg+0x132/0x220 [ 966.077355] ? __sys_sendmsg+0x1b0/0x1b0 [ 966.081409] ? vfs_write+0x393/0x540 [ 966.085125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 966.090481] ? trace_hardirqs_off_caller+0x6e/0x210 [ 966.095488] ? do_syscall_64+0x21/0x620 [ 966.099456] do_syscall_64+0xf9/0x620 [ 966.103250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 966.108427] RIP: 0033:0x7f1dcd3b15a9 [ 966.112128] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 966.131017] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 966.138719] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 966.145982] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 966.153328] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 966.160597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 966.167871] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:12 executing program 3: r0 = creat(&(0x7f0000000280)='./file0\x00', 0xecf86c37d53049cc) write$binfmt_script(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="2321202e2f66696c653020cde4b352"], 0x191) perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x1, 0x6}, 0x40000, 0x0, 0x554f}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) close(r0) openat$khugepaged_scan(0xffffff9c, 0x0, 0x1, 0x0) setxattr$security_capability(&(0x7f0000000140)='./file0\x00', &(0x7f0000000200), &(0x7f00000003c0)=@v2={0x2000000, [{0x8001, 0xfffffffc}]}, 0x14, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) r2 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x8423, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) r3 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/vm/compact_memory\x00', 0x1, 0x0) write$sysctl(r3, 0x0, 0x0) r4 = dup2(r3, r2) recvmsg$can_bcm(r4, 0x0, 0xcee0ca55d9104dfb) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f0000000040)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x5c}) bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0x8, 0x7f}, 0x48) r5 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)}], 0x1, &(0x7f0000000480)=ANY=[@ANYRESHEX=r3, @ANYRES64=r5, @ANYRESDEC=0x0, @ANYRES32, @ANYRES8, @ANYRES64, @ANYRESOCT], 0x80}, 0x4004040) execve(&(0x7f0000000400)='./file0\x00', 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000240), &(0x7f0000000500)={0x0, 0xfb, 0xb8, 0x2, 0x7, "7b65eaf467880f0ac3bed835dd7b6417", "c00f0d2e91ecc110c1eecf601026a56422d8d2ec366001ba77109eb3b6b68c9f83c4b991d81672edf5c472b234e547edf3d850f8b9afd96b561b9a078936584ffa9fca3d6a290cefb6b44f806d60a51205ea163ab77a70f949ec1af6d853810dd3529bdcdaab78aa5bf34781e18ad273c64c311c70ccfee425f7f2ee9f7d301e16fdc9f97ae6d463bb57ae35c60bcfafdb4da96bd8e51a13bde0b6bb2bbe94666c9ecd"}, 0xb8, 0x2) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) creat(&(0x7f0000000280)='./file0\x00', 0xecf86c37d53049cc) (async) write$binfmt_script(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="2321202e2f66696c653020cde4b352"], 0x191) (async) perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x1, 0x6}, 0x40000, 0x0, 0x554f}, 0x0, 0xfffffffffffffffd, 0xffffffffffffffff, 0x0) (async) close(r0) (async) openat$khugepaged_scan(0xffffff9c, 0x0, 0x1, 0x0) (async) setxattr$security_capability(&(0x7f0000000140)='./file0\x00', &(0x7f0000000200), &(0x7f00000003c0)=@v2={0x2000000, [{0x8001, 0xfffffffc}]}, 0x14, 0x0) (async) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) (async) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) (async) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x8423, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) (async) openat$sysctl(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/vm/compact_memory\x00', 0x1, 0x0) (async) write$sysctl(r3, 0x0, 0x0) (async) dup2(r3, r2) (async) recvmsg$can_bcm(r4, 0x0, 0xcee0ca55d9104dfb) (async) mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f00000002c0), 0x0, &(0x7f0000000040)={[{@lowerdir={'lowerdir', 0x3d, './file0'}, 0x3a}], [], 0x5c}) (async) bpf$MAP_CREATE(0x100000000000000, &(0x7f0000000140)=@base={0xa, 0x16, 0x8, 0x7f}, 0x48) (async) socket$inet_tcp(0x2, 0x1, 0x0) (async) sendmsg(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)}], 0x1, &(0x7f0000000480)=ANY=[@ANYRESHEX=r3, @ANYRES64=r5, @ANYRESDEC=0x0, @ANYRES32, @ANYRES8, @ANYRES64, @ANYRESOCT], 0x80}, 0x4004040) (async) execve(&(0x7f0000000400)='./file0\x00', 0x0, 0x0) (async) setxattr$trusted_overlay_upper(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000240), &(0x7f0000000500)={0x0, 0xfb, 0xb8, 0x2, 0x7, "7b65eaf467880f0ac3bed835dd7b6417", "c00f0d2e91ecc110c1eecf601026a56422d8d2ec366001ba77109eb3b6b68c9f83c4b991d81672edf5c472b234e547edf3d850f8b9afd96b561b9a078936584ffa9fca3d6a290cefb6b44f806d60a51205ea163ab77a70f949ec1af6d853810dd3529bdcdaab78aa5bf34781e18ad273c64c311c70ccfee425f7f2ee9f7d301e16fdc9f97ae6d463bb57ae35c60bcfafdb4da96bd8e51a13bde0b6bb2bbe94666c9ecd"}, 0xb8, 0x2) (async) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) (async) 23:23:12 executing program 0: ioctl$RTC_EPOCH_SET(0xffffffffffffffff, 0x4008700e, 0xfffffffffffffffc) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) open(&(0x7f0000000040)='./file0\x00', 0x201, 0x80) r1 = syz_open_dev$audion(&(0x7f0000000080), 0x80000001, 0x800) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000100)={0x5b, 0xea, 0xfffffffb, 0x1, 0x5}) fcntl$setown(r1, 0x8, 0xffffffffffffffff) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f00000000c0)) 23:23:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000701000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xa00, {0x29}}, 0x14}}, 0x0) 23:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 42) [ 966.201813] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 966.214753] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 966.228223] FAT-fs (loop1): FAT read failed (blocknr 32) [ 966.247653] nbd: failed to add new device 23:23:12 executing program 0: ioctl$RTC_EPOCH_SET(0xffffffffffffffff, 0x4008700e, 0xfffffffffffffffc) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) open(&(0x7f0000000040)='./file0\x00', 0x201, 0x80) r1 = syz_open_dev$audion(&(0x7f0000000080), 0x80000001, 0x800) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000100)={0x5b, 0xea, 0xfffffffb, 0x1, 0x5}) fcntl$setown(r1, 0x8, 0xffffffffffffffff) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f00000000c0)) ioctl$RTC_EPOCH_SET(0xffffffffffffffff, 0x4008700e, 0xfffffffffffffffc) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) open(&(0x7f0000000040)='./file0\x00', 0x201, 0x80) (async) syz_open_dev$audion(&(0x7f0000000080), 0x80000001, 0x800) (async) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000100)={0x5b, 0xea, 0xfffffffb, 0x1, 0x5}) (async) fcntl$setown(r1, 0x8, 0xffffffffffffffff) (async) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r2) (async) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f00000000c0)) (async) 23:23:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000002000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xb00, {0x29}}, 0x14}}, 0x0) [ 966.351695] FAULT_INJECTION: forcing a failure. [ 966.351695] name failslab, interval 1, probability 0, space 0, times 0 [ 966.378308] CPU: 0 PID: 7300 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 966.386139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 966.395501] Call Trace: [ 966.398133] dump_stack+0x1fc/0x2ef [ 966.401786] should_fail.cold+0xa/0xf [ 966.405602] ? should_fail+0x142/0x7b0 [ 966.409506] ? setup_fault_attr+0x200/0x200 [ 966.413845] __should_failslab+0x115/0x180 [ 966.418098] should_failslab+0x5/0x10 [ 966.421911] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 966.427032] blk_alloc_flush_queue+0x76/0x300 [ 966.431547] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 966.436334] blk_mq_init_allocated_queue+0x20c/0x1300 [ 966.440572] overlayfs: './file0' not a directory [ 966.441531] ? blkcg_init_queue+0x1fd/0x540 [ 966.441558] blk_mq_init_queue+0x5c/0xa0 [ 966.441576] nbd_dev_add+0x2b9/0x890 [ 966.458417] nbd_genl_connect+0x488/0x1630 [ 966.462761] ? nbd_xmit_timeout+0x730/0x730 [ 966.467110] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 966.472310] ? validate_nla+0x270/0x820 [ 966.476292] ? nla_parse+0x1b2/0x290 [ 966.480012] genl_family_rcv_msg+0x642/0xc40 [ 966.484417] ? genl_rcv+0x40/0x40 [ 966.487858] ? genl_rcv_msg+0x12f/0x160 [ 966.491851] ? mutex_trylock+0x1a0/0x1a0 [ 966.495930] ? __radix_tree_lookup+0x216/0x370 [ 966.500518] genl_rcv_msg+0xbf/0x160 [ 966.504242] netlink_rcv_skb+0x160/0x440 [ 966.508301] ? genl_family_rcv_msg+0xc40/0xc40 [ 966.512879] ? netlink_ack+0xae0/0xae0 [ 966.516761] ? genl_rcv+0x15/0x40 [ 966.520214] genl_rcv+0x24/0x40 [ 966.523492] netlink_unicast+0x4d5/0x690 [ 966.527549] ? netlink_sendskb+0x110/0x110 [ 966.531773] ? _copy_from_iter_full+0x229/0x7c0 [ 966.536433] ? __phys_addr_symbol+0x2c/0x70 [ 966.540747] ? __check_object_size+0x17b/0x3e0 [ 966.545322] netlink_sendmsg+0x6c3/0xc50 [ 966.549381] ? aa_af_perm+0x230/0x230 [ 966.553172] ? nlmsg_notify+0x1f0/0x1f0 [ 966.557132] ? kernel_recvmsg+0x220/0x220 [ 966.561277] ? nlmsg_notify+0x1f0/0x1f0 [ 966.565244] sock_sendmsg+0xc3/0x120 [ 966.568948] ___sys_sendmsg+0x7bb/0x8e0 [ 966.572942] ? check_preemption_disabled+0x41/0x280 [ 966.577951] ? copy_msghdr_from_user+0x440/0x440 [ 966.582710] ? __fget+0x32f/0x510 [ 966.586184] ? lock_downgrade+0x720/0x720 [ 966.590334] ? check_preemption_disabled+0x41/0x280 [ 966.595346] ? check_preemption_disabled+0x41/0x280 [ 966.600363] ? __fget+0x356/0x510 [ 966.603833] ? do_dup2+0x450/0x450 [ 966.607366] ? lock_downgrade+0x720/0x720 [ 966.611510] ? vfs_write+0x3d7/0x540 [ 966.615216] ? __fdget+0x1d0/0x230 [ 966.618750] __x64_sys_sendmsg+0x132/0x220 [ 966.622977] ? __sys_sendmsg+0x1b0/0x1b0 [ 966.627048] ? vfs_write+0x393/0x540 [ 966.630764] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 966.636120] ? trace_hardirqs_off_caller+0x6e/0x210 [ 966.641126] ? do_syscall_64+0x21/0x620 [ 966.645091] do_syscall_64+0xf9/0x620 [ 966.648890] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 966.654070] RIP: 0033:0x7f1dcd3b15a9 [ 966.657774] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 966.676754] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 966.684450] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 966.691707] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:23:12 executing program 0: ioctl$RTC_EPOCH_SET(0xffffffffffffffff, 0x4008700e, 0xfffffffffffffffc) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async, rerun: 32) open(&(0x7f0000000040)='./file0\x00', 0x201, 0x80) (async, rerun: 32) r1 = syz_open_dev$audion(&(0x7f0000000080), 0x80000001, 0x800) (async) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000100)={0x5b, 0xea, 0xfffffffb, 0x1, 0x5}) fcntl$setown(r1, 0x8, 0xffffffffffffffff) (async) ioctl$SNAPSHOT_S2RAM(r1, 0x330b) (async) r2 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r3 = dup(r2) write$6lowpan_enable(r3, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f00000000c0)) [ 966.698963] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 966.707442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 966.714698] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 966.740462] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:23:12 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) [ 966.769562] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000801000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000002200000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 966.845540] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 966.858455] nbd: failed to add new device 23:23:12 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff, 0x0) r1 = openat$sysfs(0xffffff9c, &(0x7f0000000040)='/sys/power/pm_test', 0x8002, 0x0) socket$inet_dccp(0x2, 0x6, 0x0) sendfile(r1, r1, 0x0, 0x4) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) socket$rds(0x15, 0x5, 0x0) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(r3, 0x8040942d, &(0x7f0000000100)) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x0, 0x7, 0x4}, 0x0, 0x400000000000000, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xffff}, 0x0, 0xefffffffffffffff, 0xffffffffffffffff, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x14e24}, 0x1c) ioctl$BLKALIGNOFF(r1, 0x127a, &(0x7f0000000280)) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e24, 0x0, @loopback}, 0x1c) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) 23:23:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xc00, {0x29}}, 0x14}}, 0x0) 23:23:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 43) 23:23:12 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) 23:23:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xd00, {0x29}}, 0x14}}, 0x0) 23:23:12 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) [ 966.973842] FAULT_INJECTION: forcing a failure. [ 966.973842] name failslab, interval 1, probability 0, space 0, times 0 [ 966.993799] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 967.025892] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 967.038168] FAT-fs (loop1): FAT read failed (blocknr 32) [ 967.051780] CPU: 1 PID: 7366 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 967.059621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 967.068980] Call Trace: [ 967.072180] dump_stack+0x1fc/0x2ef [ 967.075821] should_fail.cold+0xa/0xf [ 967.079632] ? setup_fault_attr+0x200/0x200 [ 967.083961] ? lock_acquire+0x170/0x3c0 [ 967.087951] __should_failslab+0x115/0x180 [ 967.092202] should_failslab+0x5/0x10 [ 967.096034] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 967.101154] blk_mq_init_tags+0x6a/0x2b0 [ 967.105230] blk_mq_alloc_rq_map+0x9d/0x230 [ 967.109556] ? elevator_get+0x29/0x170 [ 967.113457] blk_mq_init_sched+0x219/0x730 [ 967.117710] elevator_init_mq+0xf0/0x180 [ 967.121788] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 967.127013] blk_mq_init_queue+0x5c/0xa0 [ 967.131085] nbd_dev_add+0x2b9/0x890 [ 967.134823] nbd_genl_connect+0x488/0x1630 [ 967.139075] ? nbd_xmit_timeout+0x730/0x730 [ 967.143407] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 967.148612] ? validate_nla+0x270/0x820 [ 967.152606] ? nla_parse+0x1b2/0x290 [ 967.156332] genl_family_rcv_msg+0x642/0xc40 [ 967.160763] ? genl_rcv+0x40/0x40 [ 967.164224] ? genl_rcv_msg+0x12f/0x160 [ 967.168200] ? mutex_trylock+0x1a0/0x1a0 [ 967.172271] ? __radix_tree_lookup+0x216/0x370 [ 967.176864] genl_rcv_msg+0xbf/0x160 [ 967.180584] netlink_rcv_skb+0x160/0x440 [ 967.184655] ? genl_family_rcv_msg+0xc40/0xc40 [ 967.189243] ? netlink_ack+0xae0/0xae0 [ 967.193138] ? genl_rcv+0x15/0x40 [ 967.196609] genl_rcv+0x24/0x40 [ 967.199900] netlink_unicast+0x4d5/0x690 [ 967.203972] ? netlink_sendskb+0x110/0x110 [ 967.208213] ? _copy_from_iter_full+0x229/0x7c0 [ 967.212893] ? __phys_addr_symbol+0x2c/0x70 [ 967.217222] ? __check_object_size+0x17b/0x3e0 [ 967.221819] netlink_sendmsg+0x6c3/0xc50 [ 967.225890] ? aa_af_perm+0x230/0x230 [ 967.229695] ? nlmsg_notify+0x1f0/0x1f0 [ 967.233674] ? kernel_recvmsg+0x220/0x220 [ 967.237872] ? nlmsg_notify+0x1f0/0x1f0 [ 967.242201] sock_sendmsg+0xc3/0x120 [ 967.245917] ___sys_sendmsg+0x7bb/0x8e0 [ 967.249904] ? check_preemption_disabled+0x41/0x280 [ 967.254925] ? copy_msghdr_from_user+0x440/0x440 [ 967.259686] ? __fget+0x32f/0x510 [ 967.263150] ? lock_downgrade+0x720/0x720 [ 967.267304] ? check_preemption_disabled+0x41/0x280 [ 967.272342] ? check_preemption_disabled+0x41/0x280 [ 967.277364] ? __fget+0x356/0x510 [ 967.280913] ? do_dup2+0x450/0x450 [ 967.284454] ? lock_downgrade+0x720/0x720 [ 967.288609] ? vfs_write+0x3d7/0x540 [ 967.292330] ? __fdget+0x1d0/0x230 [ 967.295880] __x64_sys_sendmsg+0x132/0x220 [ 967.300123] ? __sys_sendmsg+0x1b0/0x1b0 [ 967.304188] ? vfs_write+0x393/0x540 [ 967.308005] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 967.313375] ? trace_hardirqs_off_caller+0x6e/0x210 [ 967.318400] ? do_syscall_64+0x21/0x620 [ 967.322381] do_syscall_64+0xf9/0x620 [ 967.326314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 967.331509] RIP: 0033:0x7f1dcd3b15a9 [ 967.335234] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 967.354145] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 967.361861] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 967.369137] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:23:13 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000002300000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:13 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) [ 967.376411] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 967.383682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 967.390956] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:13 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000901000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:13 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) (async) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) (async) [ 967.506108] nbd: failed to add new device 23:23:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xe00, {0x29}}, 0x14}}, 0x0) 23:23:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 44) [ 967.573993] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 967.575476] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 967.641079] FAT-fs (loop1): FAT read failed (blocknr 32) [ 967.675664] FAULT_INJECTION: forcing a failure. [ 967.675664] name failslab, interval 1, probability 0, space 0, times 0 [ 967.688518] CPU: 1 PID: 7406 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 967.696331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 967.705709] Call Trace: [ 967.708299] dump_stack+0x1fc/0x2ef [ 967.711912] should_fail.cold+0xa/0xf [ 967.715695] ? setup_fault_attr+0x200/0x200 [ 967.720017] ? lock_acquire+0x170/0x3c0 [ 967.724170] __should_failslab+0x115/0x180 [ 967.728396] should_failslab+0x5/0x10 [ 967.732178] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 967.737264] sbitmap_queue_init_node+0x240/0x6c0 [ 967.742020] blk_mq_init_tags+0x16f/0x2b0 [ 967.746163] blk_mq_alloc_rq_map+0x9d/0x230 [ 967.750463] ? elevator_get+0x29/0x170 [ 967.754424] blk_mq_init_sched+0x219/0x730 [ 967.758644] elevator_init_mq+0xf0/0x180 [ 967.762705] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 967.767920] blk_mq_init_queue+0x5c/0xa0 [ 967.771968] nbd_dev_add+0x2b9/0x890 [ 967.775665] nbd_genl_connect+0x488/0x1630 [ 967.779896] ? nbd_xmit_timeout+0x730/0x730 [ 967.784223] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 967.789407] ? validate_nla+0x270/0x820 [ 967.793364] ? nla_parse+0x1b2/0x290 [ 967.797061] genl_family_rcv_msg+0x642/0xc40 [ 967.801468] ? genl_rcv+0x40/0x40 [ 967.804919] ? genl_rcv_msg+0x12f/0x160 [ 967.808884] ? mutex_trylock+0x1a0/0x1a0 [ 967.812933] ? __radix_tree_lookup+0x216/0x370 [ 967.817499] genl_rcv_msg+0xbf/0x160 [ 967.821220] netlink_rcv_skb+0x160/0x440 [ 967.825453] ? genl_family_rcv_msg+0xc40/0xc40 [ 967.830023] ? netlink_ack+0xae0/0xae0 [ 967.833892] ? genl_rcv+0x15/0x40 [ 967.837328] genl_rcv+0x24/0x40 [ 967.840596] netlink_unicast+0x4d5/0x690 [ 967.844661] ? netlink_sendskb+0x110/0x110 [ 967.848883] ? _copy_from_iter_full+0x229/0x7c0 [ 967.853530] ? __phys_addr_symbol+0x2c/0x70 [ 967.857835] ? __check_object_size+0x17b/0x3e0 [ 967.862415] netlink_sendmsg+0x6c3/0xc50 [ 967.866471] ? aa_af_perm+0x230/0x230 [ 967.870254] ? nlmsg_notify+0x1f0/0x1f0 [ 967.874209] ? kernel_recvmsg+0x220/0x220 [ 967.878339] ? nlmsg_notify+0x1f0/0x1f0 [ 967.882304] sock_sendmsg+0xc3/0x120 [ 967.886008] ___sys_sendmsg+0x7bb/0x8e0 [ 967.889966] ? check_preemption_disabled+0x41/0x280 [ 967.894963] ? copy_msghdr_from_user+0x440/0x440 [ 967.899719] ? __fget+0x32f/0x510 [ 967.903179] ? lock_downgrade+0x720/0x720 [ 967.907319] ? check_preemption_disabled+0x41/0x280 [ 967.912319] ? check_preemption_disabled+0x41/0x280 [ 967.917330] ? __fget+0x356/0x510 [ 967.920773] ? do_dup2+0x450/0x450 [ 967.924330] ? lock_downgrade+0x720/0x720 [ 967.928489] ? vfs_write+0x3d7/0x540 [ 967.932291] ? __fdget+0x1d0/0x230 [ 967.935819] __x64_sys_sendmsg+0x132/0x220 [ 967.940225] ? __sys_sendmsg+0x1b0/0x1b0 [ 967.944288] ? vfs_write+0x393/0x540 [ 967.948012] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 967.953366] ? trace_hardirqs_off_caller+0x6e/0x210 [ 967.958450] ? do_syscall_64+0x21/0x620 [ 967.962421] do_syscall_64+0xf9/0x620 [ 967.966231] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 967.971415] RIP: 0033:0x7f1dcd3b15a9 [ 967.975109] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 967.993995] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 968.001691] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 968.008955] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 968.016205] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 968.023459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 968.030716] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:13 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000008a2600000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:13 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$SNAPSHOT_UNFREEZE(r1, 0x3302) 23:23:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xec0, {0x29}}, 0x14}}, 0x0) 23:23:13 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000000a01000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:13 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) (async, rerun: 32) perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async, rerun: 32) r1 = openat$sysfs(0xffffff9c, &(0x7f0000000040)='/sys/power/pm_test', 0x8002, 0x0) socket$inet_dccp(0x2, 0x6, 0x0) (async) sendfile(r1, r1, 0x0, 0x4) (async, rerun: 32) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) (rerun: 32) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) (async) socket$rds(0x15, 0x5, 0x0) (async) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) (async) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(r3, 0x8040942d, &(0x7f0000000100)) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x0, 0x7, 0x4}, 0x0, 0x400000000000000, 0xffffffffffffffff, 0x0) (async) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xffff}, 0x0, 0xefffffffffffffff, 0xffffffffffffffff, 0x0) (async) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x14e24}, 0x1c) (async) ioctl$BLKALIGNOFF(r1, 0x127a, &(0x7f0000000280)) (async) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e24, 0x0, @loopback}, 0x1c) (async, rerun: 64) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) (rerun: 64) [ 968.047289] nbd: failed to add new device 23:23:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 45) 23:23:13 executing program 0: r0 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) writev(r0, &(0x7f00000000c0), 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$TIOCGETD(r2, 0x5424, &(0x7f00000000c0)) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x10010, r3, 0xe1f97000) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10580, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) [ 968.109064] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 23:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0xf00, {0x29}}, 0x14}}, 0x0) [ 968.154188] FAT-fs (loop1): FAT read failed (blocknr 32) [ 968.171214] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:14 executing program 0: r0 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) writev(r0, &(0x7f00000000c0), 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$TIOCGETD(r2, 0x5424, &(0x7f00000000c0)) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x10010, r3, 0xe1f97000) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10580, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) writev(r0, &(0x7f00000000c0), 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r1) (async) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$TIOCGETD(r2, 0x5424, &(0x7f00000000c0)) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x10010, r3, 0xe1f97000) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10580, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) (async) 23:23:14 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) (async) perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$sysfs(0xffffff9c, &(0x7f0000000040)='/sys/power/pm_test', 0x8002, 0x0) socket$inet_dccp(0x2, 0x6, 0x0) (async) sendfile(r1, r1, 0x0, 0x4) (async) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) (async) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) socket$rds(0x15, 0x5, 0x0) (async) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(r3, 0x8040942d, &(0x7f0000000100)) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x0, 0x7, 0x4}, 0x0, 0x400000000000000, 0xffffffffffffffff, 0x0) (async) perf_event_open(&(0x7f00000002c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xffff}, 0x0, 0xefffffffffffffff, 0xffffffffffffffff, 0x0) (async) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x14e24}, 0x1c) (async) ioctl$BLKALIGNOFF(r1, 0x127a, &(0x7f0000000280)) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e24, 0x0, @loopback}, 0x1c) (async) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) [ 968.215743] FAULT_INJECTION: forcing a failure. [ 968.215743] name failslab, interval 1, probability 0, space 0, times 0 [ 968.237195] CPU: 0 PID: 7431 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 968.245020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 968.254380] Call Trace: [ 968.256982] dump_stack+0x1fc/0x2ef [ 968.260626] should_fail.cold+0xa/0xf [ 968.264441] ? setup_fault_attr+0x200/0x200 [ 968.268775] ? lock_acquire+0x170/0x3c0 [ 968.272770] __should_failslab+0x115/0x180 [ 968.277017] should_failslab+0x5/0x10 [ 968.280832] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 968.285964] sbitmap_queue_init_node+0x240/0x6c0 [ 968.290779] blk_mq_init_tags+0x16f/0x2b0 [ 968.294944] blk_mq_alloc_rq_map+0x9d/0x230 [ 968.299277] ? elevator_get+0x29/0x170 [ 968.303176] blk_mq_init_sched+0x219/0x730 [ 968.307434] elevator_init_mq+0xf0/0x180 [ 968.311511] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 968.316731] blk_mq_init_queue+0x5c/0xa0 [ 968.320818] nbd_dev_add+0x2b9/0x890 [ 968.324550] nbd_genl_connect+0x488/0x1630 [ 968.328804] ? nbd_xmit_timeout+0x730/0x730 [ 968.333143] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 968.338346] ? validate_nla+0x270/0x820 [ 968.342338] ? nla_parse+0x1b2/0x290 [ 968.346070] genl_family_rcv_msg+0x642/0xc40 [ 968.350499] ? genl_rcv+0x40/0x40 [ 968.353962] ? genl_rcv_msg+0x12f/0x160 [ 968.358034] ? mutex_trylock+0x1a0/0x1a0 [ 968.362117] ? __radix_tree_lookup+0x216/0x370 [ 968.366752] genl_rcv_msg+0xbf/0x160 [ 968.370501] netlink_rcv_skb+0x160/0x440 [ 968.374580] ? genl_family_rcv_msg+0xc40/0xc40 [ 968.379176] ? netlink_ack+0xae0/0xae0 [ 968.383081] ? genl_rcv+0x15/0x40 [ 968.386552] genl_rcv+0x24/0x40 [ 968.389847] netlink_unicast+0x4d5/0x690 [ 968.393923] ? netlink_sendskb+0x110/0x110 [ 968.398168] ? _copy_from_iter_full+0x229/0x7c0 [ 968.402845] ? __phys_addr_symbol+0x2c/0x70 [ 968.407179] ? __check_object_size+0x17b/0x3e0 [ 968.411774] netlink_sendmsg+0x6c3/0xc50 [ 968.415852] ? aa_af_perm+0x230/0x230 [ 968.419666] ? nlmsg_notify+0x1f0/0x1f0 [ 968.423648] ? kernel_recvmsg+0x220/0x220 [ 968.427814] ? nlmsg_notify+0x1f0/0x1f0 [ 968.431804] sock_sendmsg+0xc3/0x120 [ 968.435531] ___sys_sendmsg+0x7bb/0x8e0 [ 968.439523] ? check_preemption_disabled+0x41/0x280 [ 968.444552] ? copy_msghdr_from_user+0x440/0x440 [ 968.449317] ? __fget+0x32f/0x510 [ 968.452780] ? lock_downgrade+0x720/0x720 [ 968.456936] ? check_preemption_disabled+0x41/0x280 [ 968.461964] ? check_preemption_disabled+0x41/0x280 23:23:14 executing program 0: r0 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) writev(r0, &(0x7f00000000c0), 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) ioctl$TIOCGETD(r2, 0x5424, &(0x7f00000000c0)) r3 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x10010, r3, 0xe1f97000) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10580, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040), 0x8000, 0x0) (async) writev(r0, &(0x7f00000000c0), 0x0) (async) syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) (async) dup(r1) (async) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) (async) ioctl$TIOCGETD(r2, 0x5424, &(0x7f00000000c0)) (async) syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) (async) ioctl$VIDIOC_S_FREQUENCY(r3, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) (async) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x3000002, 0x10010, r3, 0xe1f97000) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x10580, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r4, 0x80083313, &(0x7f0000000000)) (async) 23:23:14 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="5ad4bc19b40000000000000061116c0002000000000000000000000095000000c61cb00354594777611c3ae51fed3db320e9ae0ea236bfc77ea63fd4f41b1f7b9b5044e1bd7bbb3c2fe9eaf3ed5558490106e88e0f38c612e766ff6de74d1540f373029036e6d1e19a16e45babfee5e77791f121141ed2ac73103962e6d27c583484b2faaaf312d356a9e7aef91ff5dbb6fd7ec50d1ca8c9cdcd5c65cb591e88cdc7bc8826c9f49bb4523c62a08df5f3f5b5c100c614b3a6c9b4b758aab66090e16e138c2536a4af8d38340c05a072476ec64f30bfa2b4b2325dc69ea71f20268c"], &(0x7f0000000080)='GPL\x00', 0xdb, 0xc3, &(0x7f000000cf3d)=""/195, 0x41000, 0x16, '\x00', 0x0, 0xd, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000040), 0x10}, 0x80) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) r3 = fcntl$dupfd(r0, 0x406, r0) r4 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r4, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000700)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) bpf$PROG_LOAD(0x5, &(0x7f0000000780)={0x16, 0x1, &(0x7f0000000500)=@raw=[@exit], &(0x7f0000000540)='GPL\x00', 0xffff9135, 0xcb, &(0x7f0000000580)=""/203, 0x40f00, 0x4, '\x00', 0x0, 0x23, 0xffffffffffffffff, 0x8, &(0x7f0000000680)={0x3, 0x3}, 0x8, 0x10, &(0x7f00000006c0)={0x3, 0x3, 0x1, 0xffffffff}, 0x10, 0x0, r2, 0x0, &(0x7f0000000740)=[0xffffffffffffffff, 0x1, r3, r4, r5, 0x1, r7]}, 0x80) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000004c0)={r0, 0xe0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, &(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x5, 0x9, &(0x7f0000000200)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000240)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000280)=[{}, {}], 0x10, 0x0, 0xfffffffffffffffc, &(0x7f00000002c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000300)}}, 0x10) [ 968.466989] ? __fget+0x356/0x510 [ 968.470450] ? do_dup2+0x450/0x450 [ 968.473995] ? lock_downgrade+0x720/0x720 [ 968.478155] ? vfs_write+0x3d7/0x540 [ 968.481881] ? __fdget+0x1d0/0x230 [ 968.485445] __x64_sys_sendmsg+0x132/0x220 [ 968.489702] ? __sys_sendmsg+0x1b0/0x1b0 [ 968.493772] ? vfs_write+0x393/0x540 [ 968.497505] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 968.502879] ? trace_hardirqs_off_caller+0x6e/0x210 [ 968.507904] ? do_syscall_64+0x21/0x620 [ 968.511889] do_syscall_64+0xf9/0x620 [ 968.515709] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 968.520895] RIP: 0033:0x7f1dcd3b15a9 [ 968.524613] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 968.543682] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 968.551411] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 968.558686] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 23:23:14 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000009c2600000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:14 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="5ad4bc19b40000000000000061116c0002000000000000000000000095000000c61cb00354594777611c3ae51fed3db320e9ae0ea236bfc77ea63fd4f41b1f7b9b5044e1bd7bbb3c2fe9eaf3ed5558490106e88e0f38c612e766ff6de74d1540f373029036e6d1e19a16e45babfee5e77791f121141ed2ac73103962e6d27c583484b2faaaf312d356a9e7aef91ff5dbb6fd7ec50d1ca8c9cdcd5c65cb591e88cdc7bc8826c9f49bb4523c62a08df5f3f5b5c100c614b3a6c9b4b758aab66090e16e138c2536a4af8d38340c05a072476ec64f30bfa2b4b2325dc69ea71f20268c"], &(0x7f0000000080)='GPL\x00', 0xdb, 0xc3, &(0x7f000000cf3d)=""/195, 0x41000, 0x16, '\x00', 0x0, 0xd, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000040), 0x10}, 0x80) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) r3 = fcntl$dupfd(r0, 0x406, r0) r4 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r4, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000700)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) (async) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) bpf$PROG_LOAD(0x5, &(0x7f0000000780)={0x16, 0x1, &(0x7f0000000500)=@raw=[@exit], &(0x7f0000000540)='GPL\x00', 0xffff9135, 0xcb, &(0x7f0000000580)=""/203, 0x40f00, 0x4, '\x00', 0x0, 0x23, 0xffffffffffffffff, 0x8, &(0x7f0000000680)={0x3, 0x3}, 0x8, 0x10, &(0x7f00000006c0)={0x3, 0x3, 0x1, 0xffffffff}, 0x10, 0x0, r2, 0x0, &(0x7f0000000740)=[0xffffffffffffffff, 0x1, r3, r4, r5, 0x1, r7]}, 0x80) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000004c0)={r0, 0xe0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, &(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x5, 0x9, &(0x7f0000000200)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000240)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000280)=[{}, {}], 0x10, 0x0, 0xfffffffffffffffc, &(0x7f00000002c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000300)}}, 0x10) 23:23:14 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f800001000020000000000ffffff0f01000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 968.565963] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 968.573241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 968.580517] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1100, {0x29}}, 0x14}}, 0x0) [ 968.624263] nbd: failed to add new device 23:23:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 46) 23:23:14 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0xd, 0x4, &(0x7f00000000c0)=ANY=[@ANYBLOB="5ad4bc19b40000000000000061116c0002000000000000000000000095000000c61cb00354594777611c3ae51fed3db320e9ae0ea236bfc77ea63fd4f41b1f7b9b5044e1bd7bbb3c2fe9eaf3ed5558490106e88e0f38c612e766ff6de74d1540f373029036e6d1e19a16e45babfee5e77791f121141ed2ac73103962e6d27c583484b2faaaf312d356a9e7aef91ff5dbb6fd7ec50d1ca8c9cdcd5c65cb591e88cdc7bc8826c9f49bb4523c62a08df5f3f5b5c100c614b3a6c9b4b758aab66090e16e138c2536a4af8d38340c05a072476ec64f30bfa2b4b2325dc69ea71f20268c"], &(0x7f0000000080)='GPL\x00', 0xdb, 0xc3, &(0x7f000000cf3d)=""/195, 0x41000, 0x16, '\x00', 0x0, 0xd, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000040), 0x10}, 0x80) (async) r1 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r2 = dup(r1) write$6lowpan_enable(r2, &(0x7f0000000000)='0', 0xfffffd2c) r3 = fcntl$dupfd(r0, 0x406, r0) (async) r4 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) openat$cgroup_procs(r4, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_VERSION(0xffffffffffffffff, 0xc0189371, &(0x7f0000000700)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) r6 = syz_open_dev$sndmidi(&(0x7f0000000380), 0x2, 0x0) r7 = dup(r6) write$6lowpan_enable(r7, &(0x7f0000000000)='0', 0xfffffd2c) (async) bpf$PROG_LOAD(0x5, &(0x7f0000000780)={0x16, 0x1, &(0x7f0000000500)=@raw=[@exit], &(0x7f0000000540)='GPL\x00', 0xffff9135, 0xcb, &(0x7f0000000580)=""/203, 0x40f00, 0x4, '\x00', 0x0, 0x23, 0xffffffffffffffff, 0x8, &(0x7f0000000680)={0x3, 0x3}, 0x8, 0x10, &(0x7f00000006c0)={0x3, 0x3, 0x1, 0xffffffff}, 0x10, 0x0, r2, 0x0, &(0x7f0000000740)=[0xffffffffffffffff, 0x1, r3, r4, r5, 0x1, r7]}, 0x80) (async) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000004c0)={r0, 0xe0, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, &(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x5, 0x9, &(0x7f0000000200)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000240)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x8, &(0x7f0000000280)=[{}, {}], 0x10, 0x0, 0xfffffffffffffffc, &(0x7f00000002c0), 0x8, 0x10, 0x8, 0x8, &(0x7f0000000300)}}, 0x10) [ 968.704801] FAULT_INJECTION: forcing a failure. [ 968.704801] name failslab, interval 1, probability 0, space 0, times 0 [ 968.721272] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 968.732522] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 968.742186] FAT-fs (loop1): FAT read failed (blocknr 32) [ 968.750029] CPU: 1 PID: 7499 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 968.757850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 968.767212] Call Trace: [ 968.769818] dump_stack+0x1fc/0x2ef [ 968.773457] should_fail.cold+0xa/0xf [ 968.777276] ? setup_fault_attr+0x200/0x200 [ 968.781616] ? lock_acquire+0x170/0x3c0 [ 968.785605] __should_failslab+0x115/0x180 [ 968.789858] should_failslab+0x5/0x10 [ 968.793673] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 968.798795] sbitmap_queue_init_node+0x240/0x6c0 [ 968.803562] blk_mq_init_tags+0x10d/0x2b0 [ 968.807724] blk_mq_alloc_rq_map+0x9d/0x230 [ 968.812054] ? elevator_get+0x29/0x170 [ 968.815963] blk_mq_init_sched+0x219/0x730 [ 968.820224] elevator_init_mq+0xf0/0x180 [ 968.824297] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 968.829514] blk_mq_init_queue+0x5c/0xa0 [ 968.833595] nbd_dev_add+0x2b9/0x890 [ 968.837324] nbd_genl_connect+0x488/0x1630 [ 968.841579] ? nbd_xmit_timeout+0x730/0x730 [ 968.845911] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 968.851112] ? validate_nla+0x270/0x820 23:23:14 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), 0xffffffffffffffff) bind$netlink(r0, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfc, 0x100}, 0xc) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000680)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="00042abd7000fddbdf25080000003c000180060004004e200000140003000a01010100000000000000000000000008000b0073697000090006006c626c63000000000600010002000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40420}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r1, 0x101, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x29}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x73}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x20}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c081}, 0x4004094) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x200000, 0x0) r3 = signalfd(r2, &(0x7f0000000000)={[0x8]}, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000080)) [ 968.855110] ? nla_parse+0x1b2/0x290 [ 968.858840] genl_family_rcv_msg+0x642/0xc40 [ 968.863261] ? genl_rcv+0x40/0x40 [ 968.866718] ? genl_rcv_msg+0x12f/0x160 [ 968.870709] ? mutex_trylock+0x1a0/0x1a0 [ 968.874773] ? __radix_tree_lookup+0x216/0x370 [ 968.879359] genl_rcv_msg+0xbf/0x160 [ 968.883082] netlink_rcv_skb+0x160/0x440 [ 968.887141] ? genl_family_rcv_msg+0xc40/0xc40 [ 968.891719] ? netlink_ack+0xae0/0xae0 [ 968.895592] ? genl_rcv+0x15/0x40 [ 968.899056] genl_rcv+0x24/0x40 [ 968.902337] netlink_unicast+0x4d5/0x690 [ 968.906402] ? netlink_sendskb+0x110/0x110 [ 968.910639] ? _copy_from_iter_full+0x229/0x7c0 [ 968.915307] ? __phys_addr_symbol+0x2c/0x70 [ 968.919628] ? __check_object_size+0x17b/0x3e0 [ 968.924217] netlink_sendmsg+0x6c3/0xc50 [ 968.928270] ? aa_af_perm+0x230/0x230 [ 968.932062] ? nlmsg_notify+0x1f0/0x1f0 [ 968.936118] ? kernel_recvmsg+0x220/0x220 [ 968.940376] ? nlmsg_notify+0x1f0/0x1f0 [ 968.944354] sock_sendmsg+0xc3/0x120 [ 968.948125] ___sys_sendmsg+0x7bb/0x8e0 [ 968.952095] ? check_preemption_disabled+0x41/0x280 [ 968.957109] ? copy_msghdr_from_user+0x440/0x440 [ 968.961865] ? __fget+0x32f/0x510 [ 968.965325] ? lock_downgrade+0x720/0x720 [ 968.969470] ? check_preemption_disabled+0x41/0x280 [ 968.974488] ? check_preemption_disabled+0x41/0x280 [ 968.979506] ? __fget+0x356/0x510 [ 968.982965] ? do_dup2+0x450/0x450 [ 968.986563] ? lock_downgrade+0x720/0x720 [ 968.990708] ? vfs_write+0x3d7/0x540 [ 968.994430] ? __fdget+0x1d0/0x230 [ 968.997969] __x64_sys_sendmsg+0x132/0x220 [ 969.002202] ? __sys_sendmsg+0x1b0/0x1b0 [ 969.006258] ? vfs_write+0x393/0x540 [ 969.009976] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 969.015336] ? trace_hardirqs_off_caller+0x6e/0x210 [ 969.020350] ? do_syscall_64+0x21/0x620 [ 969.024342] do_syscall_64+0xf9/0x620 [ 969.028249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 969.033421] RIP: 0033:0x7f1dcd3b15a9 [ 969.037115] 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 b8 ff ff ff f7 d8 64 89 01 48 23:23:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41019, 0x27, &(0x7f0000000200)=[{&(0x7f0000011740)='syzkallers\x00-\x00'/32, 0x20, 0x9}, {&(0x7f0000010700)="000000000004000000000000", 0xc, 0x7f}, {&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000701f1f63701f1f630100ffff53ef010001000000701f1f63000000000000000001000000000000000b000000800000000800000052470000620100000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3234313932303435323000"/192, 0xc0, 0x400}, {&(0x7f00000100c0)="00000000000000000b0000003b3466cc1ea244158e332580de23589c010000000c00000000000000701f1f6300"/64, 0x40, 0x4e0}, {&(0x7f0000010100)="0100000000000500110000000000000000000000040000003c00000000000000", 0x20, 0x560}, {&(0x7f0000010120)="0300000004000000090000000000000000002300"/32, 0x20, 0x640}, {&(0x7f0000010140)="030000001300000023000000ce000f0003000400"/32, 0x20, 0x800}, {&(0x7f0000010160)="fffffffffcff0700000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000000c0001022e000000020000000c0002022e2e00000b00000014000a026c6f73742b666f756e6400000c0000001000050266696c65300000000f0000001000050166696c6531000000100000001000050166696c6532000000100000001000050166696c6533000000110000009403090166696c652e636f6c64000000", 0x480, 0xc00}, {&(0x7f00000105e0)="0b0000000c0001022e00000002000000f40302022e2e00"/32, 0x20, 0x1400}, {&(0x7f0000010600)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00', 0x1b, 0x1800}, {&(0x7f0000010620)="00000000000400"/32, 0x20, 0x1c00}, {&(0x7f0000000040)="00000000000400"/32, 0x20, 0x2000}, {&(0x7f0000010660)="00000000000400"/32, 0x20, 0x2400}, {&(0x7f00000106a0)="00000000000400"/32, 0x20, 0x2c00}, {&(0x7f00000106c0)="00000000000400"/32, 0x20, 0x3000}, {&(0x7f0000000080)="00000000000400"/32, 0x20, 0x3400}, {&(0x7f0000010720)="00000000000400"/32, 0x20, 0x3c00}, {&(0x7f0000010740)="00000000000400"/32, 0x20, 0x4000}, {&(0x7f0000010760)="504d4d00504d4dff701f1f63000000006872757476696b2e632e676f6f676c6572732e636f6d0000000000000000000000000000000000000000000000000000000000000000000000000000000000006c6f6f7032006e75782f746573742f73797a5f6d6f756e745f696d6167655f650500"/128, 0x80, 0x4400}, {&(0x7f00000107e0)="111fc0d901000000803a0900803a090000000000060000000000000005000000", 0x20, 0x4800}, {&(0x7f0000010800)="ffff0100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300"/1056, 0x420, 0x4c00}, {&(0x7f0000010c20)="0400"/32, 0x20, 0x5400}, {&(0x7f0000010c40)="05000000e50888559900"/21, 0x15, 0x5800}, {&(0x7f0000010cc0)="0200"/32, 0x20, 0x6001}, {&(0x7f0000010ce0)="2719c0d901000000803a09008001000000010000000000000000000005000000", 0x20, 0x6400}, {&(0x7f0000010d00)="0300"/32, 0x20, 0x6800}, {&(0x7f0000010d20)="0400"/32, 0x20, 0x6c00}, {&(0x7f0000010d40)="05000000fa00"/27, 0x1b, 0x7001}, {&(0x7f0000010d60)="00000000000000000100000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000007000"/96, 0x60, 0x7400}, {&(0x7f0000010dc0)="0200"/32, 0x20, 0x7800}, {&(0x7f0000010de0)="0c0000000c0001022e000000020000000c0002022e2e00000d0000001000050166696c65300000000e000000d803050766696c653100"/64, 0x40, 0x7c00}, {&(0x7f0000010e20)="000002ea0100000001000000270f240c000000000000000000000000000000000601f8030000000006000000779b539778617474723100000601f00300000000060000007498539778617474723200"/96, 0x60, 0x8000}, {&(0x7f0000000840)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00xattr2\x00\x00xattr1\x00\x00', 0x20, 0x83e0}, {&(0x7f0000000880)="0000000000000000701f1f63701f1f63701f1f630000000010933555033a0000", 0x20, 0x8c00}, {&(0x7f0000010ec0)="ed41000000040000701f1f63701f1f63701f1f6300000000000004000200000000000800050000000af301000400000000000000000000000100000004000000", 0x40, 0x8c80}, {&(0x7f0000010f00)="8081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af303000400000000000000000000000100000012000000010000000100000018000000020000000400000014000000000000000000000000000000000000000000000000000000000000000000000000000000000000008081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af30300040000000000000000000000010000001900000001000000010000001e00000002000000040000001a00"/224, 0xe0, 0x8d00}, {&(0x7f0000010fe0)="c041000000300000701f1f63701f1f63701f1f0400000000000000001800000000000800000001000af301000400110000000009000000000c00000005000000", 0x40, 0x9101}, {&(0x7f0000011320)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x9c00}, {&(0x7f0000011760)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0xcc00}], 0x0, &(0x7f0000000140)={[{@barrier}, {@nodiscard}, {@test_dummy_encryption}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x7fff}}]}, 0x1) getsockopt$PNPIPE_INITSTATE(0xffffffffffffffff, 0x113, 0x4, &(0x7f00000000c0), &(0x7f00000001c0)=0x4) [ 969.056004] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 969.063705] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 969.070974] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 969.078236] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 969.085765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 969.093023] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:14 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000001001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 969.114807] nbd: failed to add new device 23:23:14 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000003f00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), 0xffffffffffffffff) bind$netlink(r0, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfc, 0x100}, 0xc) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000680)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="00042abd7000fddbdf25080000003c000180060004004e200000140003000a01010100000000000000000000000008000b0073697000090006006c626c63000000000600010002000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40420}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r1, 0x101, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x29}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x73}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x20}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c081}, 0x4004094) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x200000, 0x0) r3 = signalfd(r2, &(0x7f0000000000)={[0x8]}, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000080)) socket$netlink(0x10, 0x3, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), 0xffffffffffffffff) (async) bind$netlink(r0, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfc, 0x100}, 0xc) (async) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000680)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="00042abd7000fddbdf25080000003c000180060004004e200000140003000a01010100000000000000000000000008000b0073697000090006006c626c63000000000600010002000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) (async) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40420}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r1, 0x101, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x29}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x73}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x20}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c081}, 0x4004094) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x200000, 0x0) (async) signalfd(r2, &(0x7f0000000000)={[0x8]}, 0x8) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000080)) (async) 23:23:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 47) 23:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1200, {0x29}}, 0x14}}, 0x0) [ 969.221493] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 969.233101] EXT4-fs (loop3): Test dummy encryption mount option ignored [ 969.237507] FAULT_INJECTION: forcing a failure. [ 969.237507] name failslab, interval 1, probability 0, space 0, times 0 [ 969.255664] FAT-fs (loop1): FAT read failed (blocknr 32) 23:23:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), 0xffffffffffffffff) bind$netlink(r0, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfc, 0x100}, 0xc) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000680)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="00042abd7000fddbdf25080000003c000180060004004e200000140003000a01010100000000000000000000000008000b0073697000090006006c626c63000000000600010002000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40420}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r1, 0x101, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x29}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x73}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x20}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c081}, 0x4004094) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x200000, 0x0) r3 = signalfd(r2, &(0x7f0000000000)={[0x8]}, 0x8) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000080)) socket$netlink(0x10, 0x3, 0x0) (async) syz_genetlink_get_family_id$ipvs(&(0x7f0000000180), 0xffffffffffffffff) (async) bind$netlink(r0, &(0x7f0000000200)={0x10, 0x0, 0x25dfdbfc, 0x100}, 0xc) (async) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000680)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="00042abd7000fddbdf25080000003c000180060004004e200000140003000a01010100000000000000000000000008000b0073697000090006006c626c63000000000600010002000000"], 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) (async) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40420}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r1, 0x101, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x60, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x29}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'sed\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x73}, @IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@loopback}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@dev={0xac, 0x14, 0x14, 0x20}}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}]}, 0x7c}, 0x1, 0x0, 0x0, 0x2000c081}, 0x4004094) (async) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x200000, 0x0) (async) signalfd(r2, &(0x7f0000000000)={[0x8]}, 0x8) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r3, 0x80083313, &(0x7f0000000080)) (async) [ 969.265762] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 969.303846] Quota error (device loop3): v2_read_file_info: Free block number too big (0 >= 0). [ 969.304293] CPU: 0 PID: 7537 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 969.320770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 969.330129] Call Trace: [ 969.332733] dump_stack+0x1fc/0x2ef [ 969.333951] EXT4-fs warning (device loop3): ext4_enable_quotas:5883: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix. [ 969.336976] should_fail.cold+0xa/0xf 23:23:15 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000004000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 969.336999] ? setup_fault_attr+0x200/0x200 [ 969.337015] ? lock_acquire+0x170/0x3c0 [ 969.337039] __should_failslab+0x115/0x180 [ 969.361354] EXT4-fs (loop3): mount failed [ 969.362358] should_failslab+0x5/0x10 [ 969.362376] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 969.362394] sbitmap_queue_init_node+0x240/0x6c0 [ 969.362414] blk_mq_init_tags+0x16f/0x2b0 [ 969.389215] blk_mq_alloc_rq_map+0x9d/0x230 [ 969.393539] ? elevator_get+0x29/0x170 [ 969.397478] blk_mq_init_sched+0x219/0x730 [ 969.402498] elevator_init_mq+0xf0/0x180 [ 969.406547] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 969.411727] blk_mq_init_queue+0x5c/0xa0 [ 969.415778] nbd_dev_add+0x2b9/0x890 [ 969.419477] nbd_genl_connect+0x488/0x1630 [ 969.423713] ? nbd_xmit_timeout+0x730/0x730 [ 969.428035] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 969.433223] ? validate_nla+0x270/0x820 [ 969.437322] ? nla_parse+0x1b2/0x290 [ 969.441122] genl_family_rcv_msg+0x642/0xc40 [ 969.445517] ? genl_rcv+0x40/0x40 [ 969.448948] ? genl_rcv_msg+0x12f/0x160 [ 969.453003] ? mutex_trylock+0x1a0/0x1a0 [ 969.457058] ? __radix_tree_lookup+0x216/0x370 [ 969.461626] genl_rcv_msg+0xbf/0x160 [ 969.465327] netlink_rcv_skb+0x160/0x440 [ 969.469370] ? genl_family_rcv_msg+0xc40/0xc40 [ 969.473933] ? netlink_ack+0xae0/0xae0 [ 969.477803] ? genl_rcv+0x15/0x40 [ 969.481243] genl_rcv+0x24/0x40 [ 969.484502] netlink_unicast+0x4d5/0x690 [ 969.488559] ? netlink_sendskb+0x110/0x110 [ 969.492788] ? _copy_from_iter_full+0x229/0x7c0 [ 969.497447] ? __phys_addr_symbol+0x2c/0x70 [ 969.501756] ? __check_object_size+0x17b/0x3e0 [ 969.506597] netlink_sendmsg+0x6c3/0xc50 [ 969.510655] ? aa_af_perm+0x230/0x230 [ 969.514450] ? nlmsg_notify+0x1f0/0x1f0 [ 969.518436] ? kernel_recvmsg+0x220/0x220 [ 969.522578] ? nlmsg_notify+0x1f0/0x1f0 [ 969.526539] sock_sendmsg+0xc3/0x120 [ 969.530246] ___sys_sendmsg+0x7bb/0x8e0 [ 969.534209] ? check_preemption_disabled+0x41/0x280 [ 969.539207] ? copy_msghdr_from_user+0x440/0x440 [ 969.543948] ? __fget+0x32f/0x510 [ 969.547488] ? lock_downgrade+0x720/0x720 [ 969.551621] ? check_preemption_disabled+0x41/0x280 [ 969.556626] ? check_preemption_disabled+0x41/0x280 [ 969.561640] ? __fget+0x356/0x510 [ 969.565073] ? do_dup2+0x450/0x450 [ 969.568593] ? lock_downgrade+0x720/0x720 [ 969.572727] ? vfs_write+0x3d7/0x540 [ 969.576422] ? __fdget+0x1d0/0x230 [ 969.580051] __x64_sys_sendmsg+0x132/0x220 [ 969.584292] ? __sys_sendmsg+0x1b0/0x1b0 [ 969.588335] ? vfs_write+0x393/0x540 [ 969.592036] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 969.597383] ? trace_hardirqs_off_caller+0x6e/0x210 [ 969.602387] ? do_syscall_64+0x21/0x620 [ 969.606343] do_syscall_64+0xf9/0x620 [ 969.610131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 969.615309] RIP: 0033:0x7f1dcd3b15a9 [ 969.619028] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 969.637931] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 969.645906] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 23:23:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 48) 23:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1300, {0x29}}, 0x14}}, 0x0) 23:23:15 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x270501, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:15 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000002001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 969.653173] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 969.660433] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 969.667695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 969.674951] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 969.689033] nbd: failed to add new device 23:23:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41019, 0x27, &(0x7f0000000200)=[{&(0x7f0000011740)='syzkallers\x00-\x00'/32, 0x20, 0x9}, {&(0x7f0000010700)="000000000004000000000000", 0xc, 0x7f}, {&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000701f1f63701f1f630100ffff53ef010001000000701f1f63000000000000000001000000000000000b000000800000000800000052470000620100000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3234313932303435323000"/192, 0xc0, 0x400}, {&(0x7f00000100c0)="00000000000000000b0000003b3466cc1ea244158e332580de23589c010000000c00000000000000701f1f6300"/64, 0x40, 0x4e0}, {&(0x7f0000010100)="0100000000000500110000000000000000000000040000003c00000000000000", 0x20, 0x560}, {&(0x7f0000010120)="0300000004000000090000000000000000002300"/32, 0x20, 0x640}, {&(0x7f0000010140)="030000001300000023000000ce000f0003000400"/32, 0x20, 0x800}, {&(0x7f0000010160)="fffffffffcff0700000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000000c0001022e000000020000000c0002022e2e00000b00000014000a026c6f73742b666f756e6400000c0000001000050266696c65300000000f0000001000050166696c6531000000100000001000050166696c6532000000100000001000050166696c6533000000110000009403090166696c652e636f6c64000000", 0x480, 0xc00}, {&(0x7f00000105e0)="0b0000000c0001022e00000002000000f40302022e2e00"/32, 0x20, 0x1400}, {&(0x7f0000010600)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00', 0x1b, 0x1800}, {&(0x7f0000010620)="00000000000400"/32, 0x20, 0x1c00}, {&(0x7f0000000040)="00000000000400"/32, 0x20, 0x2000}, {&(0x7f0000010660)="00000000000400"/32, 0x20, 0x2400}, {&(0x7f00000106a0)="00000000000400"/32, 0x20, 0x2c00}, {&(0x7f00000106c0)="00000000000400"/32, 0x20, 0x3000}, {&(0x7f0000000080)="00000000000400"/32, 0x20, 0x3400}, {&(0x7f0000010720)="00000000000400"/32, 0x20, 0x3c00}, {&(0x7f0000010740)="00000000000400"/32, 0x20, 0x4000}, {&(0x7f0000010760)="504d4d00504d4dff701f1f63000000006872757476696b2e632e676f6f676c6572732e636f6d0000000000000000000000000000000000000000000000000000000000000000000000000000000000006c6f6f7032006e75782f746573742f73797a5f6d6f756e745f696d6167655f650500"/128, 0x80, 0x4400}, {&(0x7f00000107e0)="111fc0d901000000803a0900803a090000000000060000000000000005000000", 0x20, 0x4800}, {&(0x7f0000010800)="ffff0100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300"/1056, 0x420, 0x4c00}, {&(0x7f0000010c20)="0400"/32, 0x20, 0x5400}, {&(0x7f0000010c40)="05000000e50888559900"/21, 0x15, 0x5800}, {&(0x7f0000010cc0)="0200"/32, 0x20, 0x6001}, {&(0x7f0000010ce0)="2719c0d901000000803a09008001000000010000000000000000000005000000", 0x20, 0x6400}, {&(0x7f0000010d00)="0300"/32, 0x20, 0x6800}, {&(0x7f0000010d20)="0400"/32, 0x20, 0x6c00}, {&(0x7f0000010d40)="05000000fa00"/27, 0x1b, 0x7001}, {&(0x7f0000010d60)="00000000000000000100000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000007000"/96, 0x60, 0x7400}, {&(0x7f0000010dc0)="0200"/32, 0x20, 0x7800}, {&(0x7f0000010de0)="0c0000000c0001022e000000020000000c0002022e2e00000d0000001000050166696c65300000000e000000d803050766696c653100"/64, 0x40, 0x7c00}, {&(0x7f0000010e20)="000002ea0100000001000000270f240c000000000000000000000000000000000601f8030000000006000000779b539778617474723100000601f00300000000060000007498539778617474723200"/96, 0x60, 0x8000}, {&(0x7f0000000840)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00xattr2\x00\x00xattr1\x00\x00', 0x20, 0x83e0}, {&(0x7f0000000880)="0000000000000000701f1f63701f1f63701f1f630000000010933555033a0000", 0x20, 0x8c00}, {&(0x7f0000010ec0)="ed41000000040000701f1f63701f1f63701f1f6300000000000004000200000000000800050000000af301000400000000000000000000000100000004000000", 0x40, 0x8c80}, {&(0x7f0000010f00)="8081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af303000400000000000000000000000100000012000000010000000100000018000000020000000400000014000000000000000000000000000000000000000000000000000000000000000000000000000000000000008081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af30300040000000000000000000000010000001900000001000000010000001e00000002000000040000001a00"/224, 0xe0, 0x8d00}, {&(0x7f0000010fe0)="c041000000300000701f1f63701f1f63701f1f0400000000000000001800000000000800000001000af301000400110000000009000000000c00000005000000", 0x40, 0x9101}, {&(0x7f0000011320)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x9c00}, {&(0x7f0000011760)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0xcc00}], 0x0, &(0x7f0000000140)={[{@barrier}, {@nodiscard}, {@test_dummy_encryption}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x7fff}}]}, 0x1) getsockopt$PNPIPE_INITSTATE(0xffffffffffffffff, 0x113, 0x4, &(0x7f00000000c0), &(0x7f00000001c0)=0x4) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41019, 0x27, &(0x7f0000000200)=[{&(0x7f0000011740)='syzkallers\x00-\x00'/32, 0x20, 0x9}, {&(0x7f0000010700)="000000000004000000000000", 0xc, 0x7f}, {&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000701f1f63701f1f630100ffff53ef010001000000701f1f63000000000000000001000000000000000b000000800000000800000052470000620100000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3234313932303435323000"/192, 0xc0, 0x400}, {&(0x7f00000100c0)="00000000000000000b0000003b3466cc1ea244158e332580de23589c010000000c00000000000000701f1f6300"/64, 0x40, 0x4e0}, {&(0x7f0000010100)="0100000000000500110000000000000000000000040000003c00000000000000", 0x20, 0x560}, {&(0x7f0000010120)="0300000004000000090000000000000000002300"/32, 0x20, 0x640}, {&(0x7f0000010140)="030000001300000023000000ce000f0003000400"/32, 0x20, 0x800}, {&(0x7f0000010160)="fffffffffcff0700000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000000c0001022e000000020000000c0002022e2e00000b00000014000a026c6f73742b666f756e6400000c0000001000050266696c65300000000f0000001000050166696c6531000000100000001000050166696c6532000000100000001000050166696c6533000000110000009403090166696c652e636f6c64000000", 0x480, 0xc00}, {&(0x7f00000105e0)="0b0000000c0001022e00000002000000f40302022e2e00"/32, 0x20, 0x1400}, {&(0x7f0000010600)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00', 0x1b, 0x1800}, {&(0x7f0000010620)="00000000000400"/32, 0x20, 0x1c00}, {&(0x7f0000000040)="00000000000400"/32, 0x20, 0x2000}, {&(0x7f0000010660)="00000000000400"/32, 0x20, 0x2400}, {&(0x7f00000106a0)="00000000000400"/32, 0x20, 0x2c00}, {&(0x7f00000106c0)="00000000000400"/32, 0x20, 0x3000}, {&(0x7f0000000080)="00000000000400"/32, 0x20, 0x3400}, {&(0x7f0000010720)="00000000000400"/32, 0x20, 0x3c00}, {&(0x7f0000010740)="00000000000400"/32, 0x20, 0x4000}, {&(0x7f0000010760)="504d4d00504d4dff701f1f63000000006872757476696b2e632e676f6f676c6572732e636f6d0000000000000000000000000000000000000000000000000000000000000000000000000000000000006c6f6f7032006e75782f746573742f73797a5f6d6f756e745f696d6167655f650500"/128, 0x80, 0x4400}, {&(0x7f00000107e0)="111fc0d901000000803a0900803a090000000000060000000000000005000000", 0x20, 0x4800}, {&(0x7f0000010800)="ffff0100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300"/1056, 0x420, 0x4c00}, {&(0x7f0000010c20)="0400"/32, 0x20, 0x5400}, {&(0x7f0000010c40)="05000000e50888559900"/21, 0x15, 0x5800}, {&(0x7f0000010cc0)="0200"/32, 0x20, 0x6001}, {&(0x7f0000010ce0)="2719c0d901000000803a09008001000000010000000000000000000005000000", 0x20, 0x6400}, {&(0x7f0000010d00)="0300"/32, 0x20, 0x6800}, {&(0x7f0000010d20)="0400"/32, 0x20, 0x6c00}, {&(0x7f0000010d40)="05000000fa00"/27, 0x1b, 0x7001}, {&(0x7f0000010d60)="00000000000000000100000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000007000"/96, 0x60, 0x7400}, {&(0x7f0000010dc0)="0200"/32, 0x20, 0x7800}, {&(0x7f0000010de0)="0c0000000c0001022e000000020000000c0002022e2e00000d0000001000050166696c65300000000e000000d803050766696c653100"/64, 0x40, 0x7c00}, {&(0x7f0000010e20)="000002ea0100000001000000270f240c000000000000000000000000000000000601f8030000000006000000779b539778617474723100000601f00300000000060000007498539778617474723200"/96, 0x60, 0x8000}, {&(0x7f0000000840)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00xattr2\x00\x00xattr1\x00\x00', 0x20, 0x83e0}, {&(0x7f0000000880)="0000000000000000701f1f63701f1f63701f1f630000000010933555033a0000", 0x20, 0x8c00}, {&(0x7f0000010ec0)="ed41000000040000701f1f63701f1f63701f1f6300000000000004000200000000000800050000000af301000400000000000000000000000100000004000000", 0x40, 0x8c80}, {&(0x7f0000010f00)="8081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af303000400000000000000000000000100000012000000010000000100000018000000020000000400000014000000000000000000000000000000000000000000000000000000000000000000000000000000000000008081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af30300040000000000000000000000010000001900000001000000010000001e00000002000000040000001a00"/224, 0xe0, 0x8d00}, {&(0x7f0000010fe0)="c041000000300000701f1f63701f1f63701f1f0400000000000000001800000000000800000001000af301000400110000000009000000000c00000005000000", 0x40, 0x9101}, {&(0x7f0000011320)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x9c00}, {&(0x7f0000011760)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0xcc00}], 0x0, &(0x7f0000000140)={[{@barrier}, {@nodiscard}, {@test_dummy_encryption}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x7fff}}]}, 0x1) (async) getsockopt$PNPIPE_INITSTATE(0xffffffffffffffff, 0x113, 0x4, &(0x7f00000000c0), &(0x7f00000001c0)=0x4) (async) 23:23:15 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x270501, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x270501, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) 23:23:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1400, {0x29}}, 0x14}}, 0x0) [ 969.833388] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 969.843307] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 969.851200] EXT4-fs (loop3): Test dummy encryption mount option ignored [ 969.854773] FAULT_INJECTION: forcing a failure. [ 969.854773] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 969.871957] FAT-fs (loop1): FAT read failed (blocknr 32) [ 969.882942] CPU: 1 PID: 7572 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 969.890783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 969.900139] Call Trace: [ 969.902735] dump_stack+0x1fc/0x2ef [ 969.906477] should_fail.cold+0xa/0xf [ 969.906652] Quota error (device loop3): v2_read_file_info: Free block number too big (0 >= 0). [ 969.910278] ? setup_fault_attr+0x200/0x200 [ 969.910306] __alloc_pages_nodemask+0x239/0x2890 [ 969.910323] ? kasan_kmalloc+0x139/0x160 [ 969.910336] ? __kmalloc_node+0x4c/0x70 [ 969.910350] ? blk_mq_alloc_rq_map+0x120/0x230 [ 969.910362] ? blk_mq_init_sched+0x219/0x730 [ 969.910373] ? elevator_init_mq+0xf0/0x180 [ 969.910387] ? blk_mq_init_allocated_queue+0xe1f/0x1300 [ 969.910400] ? blk_mq_init_queue+0x5c/0xa0 [ 969.910413] ? nbd_dev_add+0x2b9/0x890 [ 969.910428] ? genl_rcv_msg+0xbf/0x160 [ 969.910444] ? sock_sendmsg+0xc3/0x120 [ 969.910456] ? __x64_sys_sendmsg+0x132/0x220 [ 969.910470] ? do_syscall_64+0xf9/0x620 [ 969.910486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 969.910499] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 969.910512] ? setup_fault_attr+0x200/0x200 [ 969.910527] ? lock_acquire+0x170/0x3c0 [ 969.910544] ? check_preemption_disabled+0x41/0x280 [ 969.910562] ? should_fail+0x142/0x7b0 [ 969.910580] ? __lockdep_init_map+0x100/0x5a0 [ 969.910597] ? __lockdep_init_map+0x100/0x5a0 [ 969.910613] ? nbd_clear_que+0x160/0x160 [ 969.910632] blk_mq_alloc_rqs+0x242/0x800 [ 969.910658] blk_mq_init_sched+0x26c/0x730 [ 969.910680] elevator_init_mq+0xf0/0x180 [ 969.910698] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 969.910724] blk_mq_init_queue+0x5c/0xa0 [ 969.910740] nbd_dev_add+0x2b9/0x890 [ 969.910758] nbd_genl_connect+0x488/0x1630 [ 969.910778] ? nbd_xmit_timeout+0x730/0x730 [ 969.910795] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 969.910812] ? validate_nla+0x270/0x820 [ 969.910831] ? nla_parse+0x1b2/0x290 [ 969.910850] genl_family_rcv_msg+0x642/0xc40 [ 969.910870] ? genl_rcv+0x40/0x40 [ 969.910883] ? genl_rcv_msg+0x12f/0x160 [ 969.910897] ? mutex_trylock+0x1a0/0x1a0 [ 969.910922] ? __radix_tree_lookup+0x216/0x370 [ 969.910943] genl_rcv_msg+0xbf/0x160 [ 969.910960] netlink_rcv_skb+0x160/0x440 [ 969.910976] ? genl_family_rcv_msg+0xc40/0xc40 [ 969.910991] ? netlink_ack+0xae0/0xae0 [ 969.911009] ? genl_rcv+0x15/0x40 [ 969.911030] genl_rcv+0x24/0x40 [ 969.911044] netlink_unicast+0x4d5/0x690 [ 969.911062] ? netlink_sendskb+0x110/0x110 [ 969.911075] ? _copy_from_iter_full+0x229/0x7c0 [ 969.911090] ? __phys_addr_symbol+0x2c/0x70 [ 969.911112] ? __check_object_size+0x17b/0x3e0 [ 969.911127] netlink_sendmsg+0x6c3/0xc50 [ 969.911144] ? aa_af_perm+0x230/0x230 [ 969.911156] ? nlmsg_notify+0x1f0/0x1f0 [ 969.911167] ? kernel_recvmsg+0x220/0x220 [ 969.911187] ? nlmsg_notify+0x1f0/0x1f0 [ 969.911200] sock_sendmsg+0xc3/0x120 [ 969.911214] ___sys_sendmsg+0x7bb/0x8e0 [ 969.911231] ? check_preemption_disabled+0x41/0x280 [ 969.927879] EXT4-fs warning (device loop3): ext4_enable_quotas:5883: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix. [ 969.929014] ? copy_msghdr_from_user+0x440/0x440 [ 969.929030] ? __fget+0x32f/0x510 [ 969.929049] ? lock_downgrade+0x720/0x720 [ 969.929067] ? check_preemption_disabled+0x41/0x280 [ 969.929085] ? check_preemption_disabled+0x41/0x280 [ 969.929108] ? __fget+0x356/0x510 [ 969.929123] ? do_dup2+0x450/0x450 [ 969.929135] ? lock_downgrade+0x720/0x720 [ 969.929151] ? vfs_write+0x3d7/0x540 [ 969.954920] EXT4-fs (loop3): mount failed [ 969.956613] ? __fdget+0x1d0/0x230 [ 969.956636] __x64_sys_sendmsg+0x132/0x220 [ 969.956651] ? __sys_sendmsg+0x1b0/0x1b0 [ 969.956662] ? vfs_write+0x393/0x540 [ 969.956695] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 970.241604] ? trace_hardirqs_off_caller+0x6e/0x210 [ 970.246640] ? do_syscall_64+0x21/0x620 [ 970.250625] do_syscall_64+0xf9/0x620 [ 970.254441] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 970.259640] RIP: 0033:0x7f1dcd3b15a9 [ 970.263357] 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 b8 ff ff ff f7 d8 64 89 01 48 23:23:16 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080), 0x270501, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:16 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000002301000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="53595a4b414c4c4552202008000014602c552c55000014602c5500000000000041660069006c00650030000f00fc0000ffffffffffffffffffff0000ffffffff46494c45302020202020201000b714602c552c55000014602c5503000000000041660069006c00650031000f00100000ffffffffffffffffffff0000ffffffff46494c45312020202020202000b714602c552c55000014602c5505000a00000041660069106c00650032000f00140000ffffffffffffffffffff0000ffffffff46494c45322020202020202000b714602c552c55000014602c5506002823000041660069006c0065002e000f00d263006f006c0064000000ffff0000ffffffff46494c457e312020434f4c2000b714602c552c55000014602c550b0064000000", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:16 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000004800000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 970.282259] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 970.289989] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 970.297259] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 970.304521] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 970.311786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 970.319066] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1500, {0x29}}, 0x14}}, 0x0) 23:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 49) [ 970.371593] nbd: couldn't find device at index -1577385984 23:23:16 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) 23:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1600, {0x29}}, 0x14}}, 0x0) 23:23:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41019, 0x27, &(0x7f0000000200)=[{&(0x7f0000011740)='syzkallers\x00-\x00'/32, 0x20, 0x9}, {&(0x7f0000010700)="000000000004000000000000", 0xc, 0x7f}, {&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000701f1f63701f1f630100ffff53ef010001000000701f1f63000000000000000001000000000000000b000000800000000800000052470000620100000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3234313932303435323000"/192, 0xc0, 0x400}, {&(0x7f00000100c0)="00000000000000000b0000003b3466cc1ea244158e332580de23589c010000000c00000000000000701f1f6300"/64, 0x40, 0x4e0}, {&(0x7f0000010100)="0100000000000500110000000000000000000000040000003c00000000000000", 0x20, 0x560}, {&(0x7f0000010120)="0300000004000000090000000000000000002300"/32, 0x20, 0x640}, {&(0x7f0000010140)="030000001300000023000000ce000f0003000400"/32, 0x20, 0x800}, {&(0x7f0000010160)="fffffffffcff0700000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000000c0001022e000000020000000c0002022e2e00000b00000014000a026c6f73742b666f756e6400000c0000001000050266696c65300000000f0000001000050166696c6531000000100000001000050166696c6532000000100000001000050166696c6533000000110000009403090166696c652e636f6c64000000", 0x480, 0xc00}, {&(0x7f00000105e0)="0b0000000c0001022e00000002000000f40302022e2e00"/32, 0x20, 0x1400}, {&(0x7f0000010600)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 \x00\x00\x00\x00\x00\x00', 0x1b, 0x1800}, {&(0x7f0000010620)="00000000000400"/32, 0x20, 0x1c00}, {&(0x7f0000000040)="00000000000400"/32, 0x20, 0x2000}, {&(0x7f0000010660)="00000000000400"/32, 0x20, 0x2400}, {&(0x7f00000106a0)="00000000000400"/32, 0x20, 0x2c00}, {&(0x7f00000106c0)="00000000000400"/32, 0x20, 0x3000}, {&(0x7f0000000080)="00000000000400"/32, 0x20, 0x3400}, {&(0x7f0000010720)="00000000000400"/32, 0x20, 0x3c00}, {&(0x7f0000010740)="00000000000400"/32, 0x20, 0x4000}, {&(0x7f0000010760)="504d4d00504d4dff701f1f63000000006872757476696b2e632e676f6f676c6572732e636f6d0000000000000000000000000000000000000000000000000000000000000000000000000000000000006c6f6f7032006e75782f746573742f73797a5f6d6f756e745f696d6167655f650500"/128, 0x80, 0x4400}, {&(0x7f00000107e0)="111fc0d901000000803a0900803a090000000000060000000000000005000000", 0x20, 0x4800}, {&(0x7f0000010800)="ffff0100ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0300"/1056, 0x420, 0x4c00}, {&(0x7f0000010c20)="0400"/32, 0x20, 0x5400}, {&(0x7f0000010c40)="05000000e50888559900"/21, 0x15, 0x5800}, {&(0x7f0000010cc0)="0200"/32, 0x20, 0x6001}, {&(0x7f0000010ce0)="2719c0d901000000803a09008001000000010000000000000000000005000000", 0x20, 0x6400}, {&(0x7f0000010d00)="0300"/32, 0x20, 0x6800}, {&(0x7f0000010d20)="0400"/32, 0x20, 0x6c00}, {&(0x7f0000010d40)="05000000fa00"/27, 0x1b, 0x7001}, {&(0x7f0000010d60)="00000000000000000100000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000007000"/96, 0x60, 0x7400}, {&(0x7f0000010dc0)="0200"/32, 0x20, 0x7800}, {&(0x7f0000010de0)="0c0000000c0001022e000000020000000c0002022e2e00000d0000001000050166696c65300000000e000000d803050766696c653100"/64, 0x40, 0x7c00}, {&(0x7f0000010e20)="000002ea0100000001000000270f240c000000000000000000000000000000000601f8030000000006000000779b539778617474723100000601f00300000000060000007498539778617474723200"/96, 0x60, 0x8000}, {&(0x7f0000000840)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00xattr2\x00\x00xattr1\x00\x00', 0x20, 0x83e0}, {&(0x7f0000000880)="0000000000000000701f1f63701f1f63701f1f630000000010933555033a0000", 0x20, 0x8c00}, {&(0x7f0000010ec0)="ed41000000040000701f1f63701f1f63701f1f6300000000000004000200000000000800050000000af301000400000000000000000000000100000004000000", 0x40, 0x8c80}, {&(0x7f0000010f00)="8081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af303000400000000000000000000000100000012000000010000000100000018000000020000000400000014000000000000000000000000000000000000000000000000000000000000000000000000000000000000008081000000180000701f1f63701f1f63701f1f6300000000000001000c00000010000800000000000af30300040000000000000000000000010000001900000001000000010000001e00000002000000040000001a00"/224, 0xe0, 0x8d00}, {&(0x7f0000010fe0)="c041000000300000701f1f63701f1f63701f1f0400000000000000001800000000000800000001000af301000400110000000009000000000c00000005000000", 0x40, 0x9101}, {&(0x7f0000011320)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x9c00}, {&(0x7f0000011760)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0xcc00}], 0x0, &(0x7f0000000140)={[{@barrier}, {@nodiscard}, {@test_dummy_encryption}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x7fff}}]}, 0x1) getsockopt$PNPIPE_INITSTATE(0xffffffffffffffff, 0x113, 0x4, &(0x7f00000000c0), &(0x7f00000001c0)=0x4) [ 970.454736] FAULT_INJECTION: forcing a failure. [ 970.454736] name failslab, interval 1, probability 0, space 0, times 0 [ 970.482623] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 970.485211] CPU: 1 PID: 7607 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 970.498784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 970.505840] FAT-fs (loop1): FAT read failed (blocknr 32) [ 970.508138] Call Trace: [ 970.508162] dump_stack+0x1fc/0x2ef [ 970.508182] should_fail.cold+0xa/0xf [ 970.508201] ? setup_fault_attr+0x200/0x200 [ 970.508219] ? lock_acquire+0x170/0x3c0 [ 970.531983] __should_failslab+0x115/0x180 [ 970.536240] should_failslab+0x5/0x10 [ 970.540058] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 970.545179] elevator_alloc+0x7a/0x200 23:23:16 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000000000003f01000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 970.546604] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 970.549078] dd_init_queue+0x20/0x430 [ 970.549097] blk_mq_init_sched+0x395/0x730 [ 970.549121] elevator_init_mq+0xf0/0x180 [ 970.549137] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 970.549160] blk_mq_init_queue+0x5c/0xa0 [ 970.549175] nbd_dev_add+0x2b9/0x890 [ 970.549192] nbd_genl_connect+0x488/0x1630 [ 970.549214] ? nbd_xmit_timeout+0x730/0x730 [ 970.592648] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 970.597864] ? validate_nla+0x270/0x820 [ 970.601858] ? nla_parse+0x1b2/0x290 23:23:16 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000004c00000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 970.605602] genl_family_rcv_msg+0x642/0xc40 [ 970.610114] ? genl_rcv+0x40/0x40 [ 970.613586] ? genl_rcv_msg+0x12f/0x160 [ 970.617576] ? mutex_trylock+0x1a0/0x1a0 [ 970.621639] ? __radix_tree_lookup+0x216/0x370 [ 970.626299] genl_rcv_msg+0xbf/0x160 [ 970.630118] netlink_rcv_skb+0x160/0x440 [ 970.634183] ? genl_family_rcv_msg+0xc40/0xc40 [ 970.638766] ? netlink_ack+0xae0/0xae0 [ 970.642655] ? genl_rcv+0x15/0x40 [ 970.646098] genl_rcv+0x24/0x40 [ 970.649362] netlink_unicast+0x4d5/0x690 [ 970.653411] ? netlink_sendskb+0x110/0x110 [ 970.657635] ? _copy_from_iter_full+0x229/0x7c0 [ 970.662297] ? __phys_addr_symbol+0x2c/0x70 [ 970.666608] ? __check_object_size+0x17b/0x3e0 [ 970.671264] netlink_sendmsg+0x6c3/0xc50 [ 970.675319] ? aa_af_perm+0x230/0x230 [ 970.679178] ? nlmsg_notify+0x1f0/0x1f0 [ 970.683140] ? kernel_recvmsg+0x220/0x220 [ 970.687279] ? nlmsg_notify+0x1f0/0x1f0 [ 970.691240] sock_sendmsg+0xc3/0x120 [ 970.694944] ___sys_sendmsg+0x7bb/0x8e0 [ 970.698995] ? check_preemption_disabled+0x41/0x280 [ 970.704085] ? copy_msghdr_from_user+0x440/0x440 [ 970.708848] ? __fget+0x32f/0x510 [ 970.712302] ? lock_downgrade+0x720/0x720 [ 970.716437] ? check_preemption_disabled+0x41/0x280 [ 970.721452] ? check_preemption_disabled+0x41/0x280 [ 970.726471] ? __fget+0x356/0x510 [ 970.729927] ? do_dup2+0x450/0x450 [ 970.733472] ? lock_downgrade+0x720/0x720 [ 970.737611] ? vfs_write+0x3d7/0x540 [ 970.741315] ? __fdget+0x1d0/0x230 [ 970.744854] __x64_sys_sendmsg+0x132/0x220 [ 970.749188] ? __sys_sendmsg+0x1b0/0x1b0 [ 970.753252] ? vfs_write+0x393/0x540 [ 970.756964] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 970.762317] ? trace_hardirqs_off_caller+0x6e/0x210 [ 970.767493] ? do_syscall_64+0x21/0x620 [ 970.771469] do_syscall_64+0xf9/0x620 [ 970.775270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 970.780450] RIP: 0033:0x7f1dcd3b15a9 [ 970.784148] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 970.803033] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 970.810730] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 970.817982] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 970.825240] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 970.832505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 970.839790] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:16 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) (async) [ 970.853647] nbd: failed to add new device 23:23:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 50) 23:23:16 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000040)) 23:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1700, {0x29}}, 0x14}}, 0x0) [ 970.879167] EXT4-fs (loop3): Test dummy encryption mount option ignored [ 970.919719] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 970.931339] Quota error (device loop3): v2_read_file_info: Free block number too big (0 >= 0). 23:23:16 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) pipe2$watch_queue(&(0x7f00000000c0), 0x80) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='blkio.bfq.io_merged_recursive\x00', 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) 23:23:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1800, {0x29}}, 0x14}}, 0x0) [ 970.963932] FAT-fs (loop1): FAT read failed (blocknr 32) [ 970.971787] EXT4-fs warning (device loop3): ext4_enable_quotas:5883: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix. [ 970.987151] FAULT_INJECTION: forcing a failure. [ 970.987151] name failslab, interval 1, probability 0, space 0, times 0 [ 971.007160] CPU: 1 PID: 7641 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 971.014204] EXT4-fs (loop3): mount failed [ 971.014985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 971.014991] Call Trace: [ 971.015011] dump_stack+0x1fc/0x2ef [ 971.015031] should_fail.cold+0xa/0xf [ 971.038562] ? setup_fault_attr+0x200/0x200 [ 971.042893] ? lock_acquire+0x170/0x3c0 [ 971.046891] __should_failslab+0x115/0x180 [ 971.051143] should_failslab+0x5/0x10 [ 971.054944] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 971.060050] dd_init_queue+0x94/0x430 [ 971.063845] blk_mq_init_sched+0x395/0x730 [ 971.068117] elevator_init_mq+0xf0/0x180 [ 971.072186] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 971.077376] blk_mq_init_queue+0x5c/0xa0 [ 971.081436] nbd_dev_add+0x2b9/0x890 [ 971.085147] nbd_genl_connect+0x488/0x1630 [ 971.089383] ? nbd_xmit_timeout+0x730/0x730 [ 971.093700] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 971.098889] ? validate_nla+0x270/0x820 [ 971.102874] ? nla_parse+0x1b2/0x290 [ 971.106578] genl_family_rcv_msg+0x642/0xc40 [ 971.110991] ? genl_rcv+0x40/0x40 [ 971.114439] ? genl_rcv_msg+0x12f/0x160 [ 971.118407] ? mutex_trylock+0x1a0/0x1a0 [ 971.122467] ? __radix_tree_lookup+0x216/0x370 [ 971.127051] genl_rcv_msg+0xbf/0x160 [ 971.130774] netlink_rcv_skb+0x160/0x440 [ 971.134839] ? genl_family_rcv_msg+0xc40/0xc40 [ 971.139426] ? netlink_ack+0xae0/0xae0 [ 971.143321] ? genl_rcv+0x15/0x40 [ 971.146774] genl_rcv+0x24/0x40 [ 971.150052] netlink_unicast+0x4d5/0x690 [ 971.154111] ? netlink_sendskb+0x110/0x110 [ 971.159218] ? _copy_from_iter_full+0x229/0x7c0 [ 971.163887] ? __phys_addr_symbol+0x2c/0x70 [ 971.168200] ? __check_object_size+0x17b/0x3e0 [ 971.172864] netlink_sendmsg+0x6c3/0xc50 [ 971.176917] ? aa_af_perm+0x230/0x230 [ 971.180715] ? nlmsg_notify+0x1f0/0x1f0 [ 971.184681] ? kernel_recvmsg+0x220/0x220 [ 971.188839] ? nlmsg_notify+0x1f0/0x1f0 [ 971.192815] sock_sendmsg+0xc3/0x120 [ 971.196531] ___sys_sendmsg+0x7bb/0x8e0 [ 971.200506] ? check_preemption_disabled+0x41/0x280 [ 971.205515] ? copy_msghdr_from_user+0x440/0x440 [ 971.210281] ? __fget+0x32f/0x510 [ 971.213730] ? lock_downgrade+0x720/0x720 [ 971.217876] ? check_preemption_disabled+0x41/0x280 [ 971.222895] ? check_preemption_disabled+0x41/0x280 [ 971.227909] ? __fget+0x356/0x510 [ 971.231374] ? do_dup2+0x450/0x450 [ 971.234940] ? lock_downgrade+0x720/0x720 [ 971.239088] ? vfs_write+0x3d7/0x540 [ 971.242810] ? __fdget+0x1d0/0x230 [ 971.246340] __x64_sys_sendmsg+0x132/0x220 [ 971.250569] ? __sys_sendmsg+0x1b0/0x1b0 [ 971.254626] ? vfs_write+0x393/0x540 [ 971.258336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 971.263709] ? trace_hardirqs_off_caller+0x6e/0x210 [ 971.268745] ? do_syscall_64+0x21/0x620 [ 971.272720] do_syscall_64+0xf9/0x620 [ 971.276514] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 971.281699] RIP: 0033:0x7f1dcd3b15a9 [ 971.285405] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 971.304298] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:23:17 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='blkio.bfq.io_merged_recursive\x00', 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 971.312007] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 971.319286] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 971.326658] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 971.334086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 971.341360] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 23:23:17 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00100120000200004000f8000010000200000000005252614101000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) [ 971.370279] nbd: failed to add new device 23:23:17 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() r1 = gettid() perf_event_open(0x0, r1, 0x0, 0xffffffffffffffff, 0xb) sched_setaffinity(r1, 0x8, &(0x7f0000000000)=0x7) sched_setaffinity(0x0, 0x8, &(0x7f0000000240)) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r4, &(0x7f00000000c0)={0x2, 0x4e20, @multicast1}, 0x10) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000002380)={0xffffffffffffffff}) ioctl$sock_ifreq(r5, 0x8923, &(0x7f0000000080)={'bridge0\x00', @ifru_settings={0x4, 0x4000, @fr_pvc_info=&(0x7f0000000280)={0x7, 'veth1_macvtap\x00'}}}) sendto$inet(r4, &(0x7f0000000140), 0xffffffffffffff58, 0x20008005, &(0x7f0000000100)={0x2, 0x4e20}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x11, 0x8, &(0x7f0000000500)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x80) gettid() recvfrom(r4, &(0x7f0000000480)=""/110, 0xfffffe32, 0x700, 0x0, 0xfffffffffffffecb) 23:23:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000001040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000002c0)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000ff00000001000000040007800c0002000000000000000000080001000000fba1"], 0x2c}}, 0x0) (fail_nth: 51) 23:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1900, {0x29}}, 0x14}}, 0x0) [ 971.402301] FAT-fs (loop5): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. 23:23:17 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x20000, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366212d9b00080120000200004000f8000010000200000000006000000001000000000000000200000001000600"/63, 0x3f}, {&(0x7f0000010180)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x3f}, {&(0x7f0000010060)='RRaA\x00'/32, 0x20, 0x800}, {&(0x7f0000010080)="00000000727241611400008f000000000055aa", 0x13, 0x9e0}, {&(0x7f00000100a0)="601c6d6b646f7366212d9b00080120000200004000f80000100002000000000000000000010000000000000002000000010006000000000000000000000000008000"/96, 0x60, 0x3000}, {&(0x7f0000010100)='RRaA\x00'/32, 0x20, 0x37fe}, {&(0x7f0000010120)="00000000727241611d00000002000000000000000000000000000000000055aa", 0x20, 0x39e0}, {&(0x7f0000010140)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0f0700000008000000090000000a000000ffffff0fffffff0f00"/64, 0x40, 0x10000}, {&(0x7f00000005c0)="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", 0x120, 0x11000}, {&(0x7f0000000500)="2e202020202020202020201000b71460225bb1bb9158fb023b06382167947e732c552c3d000014602c550300000000002e2e2020202020202020201000b714602c552c5500001421bf5dd5602c5500000000000041660069006c00650030000f00fc0400ffffffffffffffffffff0000ffff9fff46494c45302020202020202000b714602c552c55000014602c5504001a040000", 0x94, 0x11800}, {&(0x7f0000010360)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00\x00\x00\x00\x00', 0x420, 0x12000}, {&(0x7f0000010780)="73797a6b616c6c6572730000000000000050d9a75e47e8cdabeb", 0x1a, 0x12800}, {&(0x7f00000107a0)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallers\x00'/128, 0x80, 0x15800}], 0x800, &(0x7f0000010820), 0x81) 23:23:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000180), r1) sendmsg$IEEE802154_LLSEC_LIST_DEVKEY(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000700)={&(0x7f00000006c0)={0x14, r2, 0x301, 0x0, 0x1a00, {0x29}}, 0x14}}, 0x0) 23:23:17 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) pipe2$watch_queue(&(0x7f00000000c0), 0x80) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='blkio.bfq.io_merged_recursive\x00', 0x0, 0x0) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) (async) pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='blkio.bfq.io_merged_recursive\x00', 0x0, 0x0) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r1, 0x80083313, &(0x7f0000000080)) (async) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) (async) [ 971.475949] FAULT_INJECTION: forcing a failure. [ 971.475949] name failslab, interval 1, probability 0, space 0, times 0 [ 971.501032] CPU: 0 PID: 7664 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 971.508972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 971.518355] Call Trace: [ 971.520958] dump_stack+0x1fc/0x2ef [ 971.528696] should_fail.cold+0xa/0xf [ 971.532519] ? setup_fault_attr+0x200/0x200 [ 971.536855] ? lock_acquire+0x170/0x3c0 [ 971.540860] __should_failslab+0x115/0x180 [ 971.545106] should_failslab+0x5/0x10 [ 971.548903] kmem_cache_alloc_trace+0x284/0x380 [ 971.553581] device_create_groups_vargs+0x8a/0x270 [ 971.558527] device_create+0xdf/0x120 [ 971.562349] ? device_create_vargs+0x50/0x50 [ 971.566784] ? pointer+0x850/0x850 [ 971.570346] bdi_register_va.part.0+0x4c/0x750 [ 971.574939] bdi_register+0x12a/0x140 [ 971.578930] ? bdi_register_va+0x80/0x80 [ 971.582997] ? vsnprintf+0x2cc/0x14f0 [ 971.586786] bdi_register_owner+0x59/0x100 [ 971.591079] __device_add_disk+0xd58/0x10c0 [ 971.595535] ? sprintf+0xc0/0x100 [ 971.598984] ? blk_alloc_devt+0x2d0/0x2d0 [ 971.603142] ? __lockdep_init_map+0x100/0x5a0 [ 971.607636] ? __lockdep_init_map+0x100/0x5a0 [ 971.612124] nbd_dev_add+0x6a9/0x890 [ 971.615830] nbd_genl_connect+0x488/0x1630 [ 971.620084] ? nbd_xmit_timeout+0x730/0x730 [ 971.624412] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 971.629593] ? validate_nla+0x270/0x820 [ 971.633573] ? nla_parse+0x1b2/0x290 [ 971.637307] genl_family_rcv_msg+0x642/0xc40 [ 971.641756] ? genl_rcv+0x40/0x40 [ 971.645213] ? genl_rcv_msg+0x12f/0x160 [ 971.649187] ? mutex_trylock+0x1a0/0x1a0 [ 971.653246] ? __radix_tree_lookup+0x216/0x370 [ 971.657871] genl_rcv_msg+0xbf/0x160 [ 971.661600] netlink_rcv_skb+0x160/0x440 [ 971.665665] ? genl_family_rcv_msg+0xc40/0xc40 [ 971.670240] ? netlink_ack+0xae0/0xae0 [ 971.674130] ? genl_rcv+0x15/0x40 [ 971.677588] genl_rcv+0x24/0x40 [ 971.680871] netlink_unicast+0x4d5/0x690 [ 971.685104] ? netlink_sendskb+0x110/0x110 [ 971.689358] ? _copy_from_iter_full+0x229/0x7c0 [ 971.694042] ? __phys_addr_symbol+0x2c/0x70 [ 971.698350] ? __check_object_size+0x17b/0x3e0 [ 971.702939] netlink_sendmsg+0x6c3/0xc50 [ 971.707002] ? aa_af_perm+0x230/0x230 [ 971.710789] ? nlmsg_notify+0x1f0/0x1f0 [ 971.714744] ? kernel_recvmsg+0x220/0x220 [ 971.718897] ? nlmsg_notify+0x1f0/0x1f0 [ 971.722871] sock_sendmsg+0xc3/0x120 [ 971.726848] ___sys_sendmsg+0x7bb/0x8e0 [ 971.730820] ? check_preemption_disabled+0x41/0x280 [ 971.735830] ? copy_msghdr_from_user+0x440/0x440 [ 971.740590] ? __fget+0x32f/0x510 [ 971.744058] ? lock_downgrade+0x720/0x720 [ 971.748322] ? check_preemption_disabled+0x41/0x280 [ 971.753461] ? check_preemption_disabled+0x41/0x280 [ 971.758488] ? __fget+0x356/0x510 [ 971.761956] ? do_dup2+0x450/0x450 [ 971.765495] ? lock_downgrade+0x720/0x720 [ 971.769644] ? vfs_write+0x3d7/0x540 [ 971.773345] ? __fdget+0x1d0/0x230 [ 971.776875] __x64_sys_sendmsg+0x132/0x220 [ 971.781106] ? __sys_sendmsg+0x1b0/0x1b0 [ 971.785162] ? vfs_write+0x393/0x540 [ 971.788891] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 971.794255] ? trace_hardirqs_off_caller+0x6e/0x210 [ 971.799299] ? do_syscall_64+0x21/0x620 [ 971.803259] do_syscall_64+0xf9/0x620 [ 971.807052] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 971.812241] RIP: 0033:0x7f1dcd3b15a9 [ 971.816029] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 971.835058] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 971.842812] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 971.850083] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 971.857375] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 971.864633] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 23:23:17 executing program 0: ioctl$SG_SET_RESERVED_SIZE(0xffffffffffffffff, 0x2275, &(0x7f0000000040)=0x7) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$swradio(&(0x7f0000000000), 0x1, 0x2) ioctl$VIDIOC_S_FREQUENCY(r1, 0x402c5639, &(0x7f0000000080)={0x7, 0x5}) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x100000a, 0x10, r1, 0x665cd000) ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f0000000000)) [ 971.871889] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 971.896785] ------------[ cut here ]------------ [ 971.913375] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 971.919876] WARNING: CPU: 0 PID: 7664 at block/genhd.c:719 __device_add_disk.cold+0x69/0x188 [ 971.930304] Kernel panic - not syncing: panic_on_warn set ... [ 971.930304] [ 971.937685] CPU: 0 PID: 7664 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 [ 971.945485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 971.954856] Call Trace: [ 971.957462] dump_stack+0x1fc/0x2ef [ 971.961109] panic+0x26a/0x50e [ 971.964321] ? __warn_printk+0xf3/0xf3 [ 971.966399] FAT-fs (loop1): FAT read failed (blocknr 32) [ 971.968243] ? __device_add_disk.cold+0x69/0x188 [ 971.968260] ? __probe_kernel_read+0x130/0x1b0 [ 971.968275] ? __warn.cold+0x5/0x5a [ 971.968292] ? __device_add_disk.cold+0x69/0x188 [ 971.968306] __warn.cold+0x20/0x5a [ 971.968322] ? io_schedule_timeout+0x140/0x140 [ 971.999670] ? __device_add_disk.cold+0x69/0x188 [ 972.004446] report_bug+0x262/0x2b0 [ 972.008085] do_error_trap+0x1d7/0x310 [ 972.011996] ? math_error+0x310/0x310 [ 972.015836] ? __irq_work_queue_local+0x101/0x160 [ 972.020702] ? irq_work_queue+0x29/0x80 [ 972.024690] ? error_entry+0x72/0xd0 [ 972.028422] ? trace_hardirqs_off_caller+0x6e/0x210 [ 972.033455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 972.038320] invalid_op+0x14/0x20 [ 972.041873] RIP: 0010:__device_add_disk.cold+0x69/0x188 [ 972.047243] Code: 02 84 c0 74 08 3c 03 0f 8e a8 00 00 00 44 8b a5 f0 05 00 00 e9 67 ad 6a fb e8 05 45 66 f9 48 c7 c7 60 75 b2 88 e8 64 76 f7 ff <0f> 0b e9 8f b9 6a fb e8 ed 44 66 f9 48 c7 c7 60 75 b2 88 e8 4c 76 [ 972.066204] RSP: 0018:ffff888096aa7488 EFLAGS: 00010282 [ 972.071683] RAX: 0000000000000024 RBX: 0000000000000001 RCX: 0000000000000000 [ 972.079000] RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1012d54e83 [ 972.086377] RBP: ffff888099224e80 R08: 0000000000000024 R09: 0000000000000000 [ 972.093663] R10: 0000000000000005 R11: 0000000000000000 R12: ffff888099224f10 [ 972.100933] R13: ffff888099225510 R14: 00000000fffffff4 R15: ffff888099224e84 [ 972.108209] ? vprintk_func+0x81/0x180 [ 972.112100] ? __device_add_disk.cold+0x69/0x188 [ 972.116946] ? sprintf+0xc0/0x100 [ 972.120411] ? blk_alloc_devt+0x2d0/0x2d0 [ 972.124630] ? __lockdep_init_map+0x100/0x5a0 [ 972.129134] ? __lockdep_init_map+0x100/0x5a0 [ 972.133646] nbd_dev_add+0x6a9/0x890 [ 972.137611] nbd_genl_connect+0x488/0x1630 [ 972.141847] ? nbd_xmit_timeout+0x730/0x730 [ 972.146160] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 972.151482] ? validate_nla+0x270/0x820 [ 972.155453] ? nla_parse+0x1b2/0x290 [ 972.159237] genl_family_rcv_msg+0x642/0xc40 [ 972.163646] ? genl_rcv+0x40/0x40 [ 972.167084] ? genl_rcv_msg+0x12f/0x160 [ 972.171063] ? mutex_trylock+0x1a0/0x1a0 [ 972.175291] ? __radix_tree_lookup+0x216/0x370 [ 972.179958] genl_rcv_msg+0xbf/0x160 [ 972.183670] netlink_rcv_skb+0x160/0x440 [ 972.187718] ? genl_family_rcv_msg+0xc40/0xc40 [ 972.192300] ? netlink_ack+0xae0/0xae0 [ 972.196192] ? genl_rcv+0x15/0x40 [ 972.199637] genl_rcv+0x24/0x40 [ 972.202905] netlink_unicast+0x4d5/0x690 [ 972.206957] ? netlink_sendskb+0x110/0x110 [ 972.211182] ? _copy_from_iter_full+0x229/0x7c0 [ 972.215845] ? __phys_addr_symbol+0x2c/0x70 [ 972.220165] ? __check_object_size+0x17b/0x3e0 [ 972.224751] netlink_sendmsg+0x6c3/0xc50 [ 972.228808] ? aa_af_perm+0x230/0x230 [ 972.232623] ? nlmsg_notify+0x1f0/0x1f0 [ 972.236600] ? kernel_recvmsg+0x220/0x220 [ 972.240745] ? nlmsg_notify+0x1f0/0x1f0 [ 972.244705] sock_sendmsg+0xc3/0x120 [ 972.248416] ___sys_sendmsg+0x7bb/0x8e0 [ 972.252395] ? check_preemption_disabled+0x41/0x280 [ 972.257663] ? copy_msghdr_from_user+0x440/0x440 [ 972.262436] ? __fget+0x32f/0x510 [ 972.265910] ? lock_downgrade+0x720/0x720 [ 972.270067] ? check_preemption_disabled+0x41/0x280 [ 972.275073] ? check_preemption_disabled+0x41/0x280 [ 972.280077] ? __fget+0x356/0x510 [ 972.283649] ? do_dup2+0x450/0x450 [ 972.287186] ? lock_downgrade+0x720/0x720 [ 972.291329] ? vfs_write+0x3d7/0x540 [ 972.295157] ? __fdget+0x1d0/0x230 [ 972.298705] __x64_sys_sendmsg+0x132/0x220 [ 972.302942] ? __sys_sendmsg+0x1b0/0x1b0 [ 972.307005] ? vfs_write+0x393/0x540 [ 972.310736] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 972.316093] ? trace_hardirqs_off_caller+0x6e/0x210 [ 972.321102] ? do_syscall_64+0x21/0x620 [ 972.325063] do_syscall_64+0xf9/0x620 [ 972.328857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 972.334035] RIP: 0033:0x7f1dcd3b15a9 [ 972.337755] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 972.356843] RSP: 002b:00007f1dcb924168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 972.364552] RAX: ffffffffffffffda RBX: 00007f1dcd4d1f80 RCX: 00007f1dcd3b15a9 [ 972.371811] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 972.379066] RBP: 00007f1dcb9241d0 R08: 0000000000000000 R09: 0000000000000000 [ 972.386341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 972.393601] R13: 00007ffd9410aaff R14: 00007f1dcb924300 R15: 0000000000022000 [ 972.401210] Kernel Offset: disabled [ 972.405067] Rebooting in 86400 seconds..