, 0x10efe10675dec16, 0x5601) [ 517.957530] ? lock_downgrade+0x720/0x720 [ 517.961695] block_ioctl+0xe9/0x130 [ 517.965501] ? blkdev_fallocate+0x3f0/0x3f0 [ 517.969834] do_vfs_ioctl+0xcdb/0x12e0 [ 517.973730] ? lock_downgrade+0x720/0x720 [ 517.977888] ? check_preemption_disabled+0x41/0x280 [ 517.982917] ? ioctl_preallocate+0x200/0x200 [ 517.987336] ? __fget+0x356/0x510 [ 517.990807] ? do_dup2+0x450/0x450 [ 517.994339] ? do_sys_open+0x2bf/0x520 [ 517.998243] ksys_ioctl+0x9b/0xc0 [ 518.001721] __x64_sys_ioctl+0x6f/0xb0 [ 518.005621] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 518.010212] do_syscall_64+0xf9/0x620 [ 518.014030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.019221] RIP: 0033:0x465cb7 [ 518.022415] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 518.041350] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 518.049044] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 14:45:42 executing program 0 (fault-call:0 fault-nth:14): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 518.056296] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 518.063566] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 518.070827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 518.078235] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:42 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6a000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 518.272015] FAULT_INJECTION: forcing a failure. [ 518.272015] name failslab, interval 1, probability 0, space 0, times 0 [ 518.283442] CPU: 1 PID: 14891 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 518.291336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.300695] Call Trace: [ 518.303304] dump_stack+0x1fc/0x2ef [ 518.306948] should_fail.cold+0xa/0xf [ 518.310766] ? setup_fault_attr+0x200/0x200 [ 518.315108] ? lock_acquire+0x170/0x3c0 [ 518.319111] __should_failslab+0x115/0x180 [ 518.323367] should_failslab+0x5/0x10 [ 518.327176] kmem_cache_alloc+0x277/0x370 [ 518.331343] __kernfs_new_node+0xd2/0x680 [ 518.335500] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 518.340260] ? kernfs_activate+0x2c/0x1d0 [ 518.344413] ? lock_downgrade+0x720/0x720 [ 518.348564] ? kernfs_add_one+0x51/0x4c0 [ 518.352635] ? __mutex_add_waiter+0x160/0x160 [ 518.357145] ? __mutex_unlock_slowpath+0xea/0x610 [ 518.362001] kernfs_new_node+0x92/0x120 [ 518.365988] __kernfs_create_file+0x51/0x340 14:45:42 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3601) 14:45:42 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1500) 14:45:42 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1500) [ 518.370411] sysfs_add_file_mode_ns+0x226/0x540 [ 518.375098] internal_create_group+0x355/0xb20 [ 518.379706] ? sysfs_remove_link_from_group+0x70/0x70 [ 518.384901] ? lock_downgrade+0x720/0x720 [ 518.389078] lo_ioctl+0xf7c/0x20e0 [ 518.392633] ? loop_set_status64+0x110/0x110 [ 518.397057] blkdev_ioctl+0x5cb/0x1a80 [ 518.400953] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.406325] ? blkpg_ioctl+0x9d0/0x9d0 [ 518.410223] ? mark_held_locks+0xf0/0xf0 [ 518.414296] ? mark_held_locks+0xf0/0xf0 14:45:42 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5700) [ 518.418373] ? debug_check_no_obj_freed+0x201/0x490 [ 518.423394] ? lock_downgrade+0x720/0x720 [ 518.427549] block_ioctl+0xe9/0x130 [ 518.431176] ? blkdev_fallocate+0x3f0/0x3f0 [ 518.435508] do_vfs_ioctl+0xcdb/0x12e0 [ 518.439409] ? lock_downgrade+0x720/0x720 [ 518.443565] ? check_preemption_disabled+0x41/0x280 [ 518.448590] ? ioctl_preallocate+0x200/0x200 [ 518.453012] ? __fget+0x356/0x510 [ 518.456471] ? do_dup2+0x450/0x450 [ 518.460004] ? do_sys_open+0x2bf/0x520 [ 518.463897] ksys_ioctl+0x9b/0xc0 [ 518.467352] __x64_sys_ioctl+0x6f/0xb0 [ 518.471247] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 518.475823] do_syscall_64+0xf9/0x620 [ 518.479608] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.484778] RIP: 0033:0x465cb7 [ 518.487964] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 518.506999] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 518.514706] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 14:45:42 executing program 0 (fault-call:0 fault-nth:15): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 518.521962] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 518.529226] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 518.536488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 518.543741] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:42 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6a010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 518.729464] FAULT_INJECTION: forcing a failure. [ 518.729464] name failslab, interval 1, probability 0, space 0, times 0 [ 518.753133] CPU: 1 PID: 14929 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 518.761058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.770420] Call Trace: [ 518.773024] dump_stack+0x1fc/0x2ef 14:45:42 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5701) [ 518.776668] should_fail.cold+0xa/0xf [ 518.780483] ? setup_fault_attr+0x200/0x200 [ 518.784816] ? lock_acquire+0x170/0x3c0 [ 518.788804] __should_failslab+0x115/0x180 [ 518.793052] should_failslab+0x5/0x10 [ 518.796863] kmem_cache_alloc+0x277/0x370 [ 518.801019] __kernfs_new_node+0xd2/0x680 [ 518.805175] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 518.809946] ? __mutex_unlock_slowpath+0xea/0x610 [ 518.814801] ? wait_for_completion_io+0x10/0x10 [ 518.819485] ? kernfs_next_descendant_post+0x19c/0x290 [ 518.824782] kernfs_new_node+0x92/0x120 14:45:42 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1501) 14:45:43 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3700) [ 518.828810] __kernfs_create_file+0x51/0x340 [ 518.833239] sysfs_add_file_mode_ns+0x226/0x540 [ 518.837923] internal_create_group+0x355/0xb20 [ 518.842520] ? sysfs_remove_link_from_group+0x70/0x70 [ 518.847722] ? lock_downgrade+0x720/0x720 [ 518.851888] lo_ioctl+0xf7c/0x20e0 [ 518.855441] ? loop_set_status64+0x110/0x110 [ 518.859864] blkdev_ioctl+0x5cb/0x1a80 [ 518.863762] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.869135] ? blkpg_ioctl+0x9d0/0x9d0 [ 518.873036] ? mark_held_locks+0xf0/0xf0 [ 518.877114] ? mark_held_locks+0xf0/0xf0 [ 518.881186] ? debug_check_no_obj_freed+0x201/0x490 [ 518.886214] ? lock_downgrade+0x720/0x720 [ 518.890366] block_ioctl+0xe9/0x130 [ 518.893982] ? blkdev_fallocate+0x3f0/0x3f0 [ 518.898301] do_vfs_ioctl+0xcdb/0x12e0 [ 518.902172] ? lock_downgrade+0x720/0x720 [ 518.906304] ? check_preemption_disabled+0x41/0x280 [ 518.911301] ? ioctl_preallocate+0x200/0x200 [ 518.915881] ? __fget+0x356/0x510 [ 518.919319] ? do_dup2+0x450/0x450 [ 518.922842] ? do_sys_open+0x2bf/0x520 [ 518.926713] ksys_ioctl+0x9b/0xc0 [ 518.930150] __x64_sys_ioctl+0x6f/0xb0 [ 518.934024] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 518.938589] do_syscall_64+0xf9/0x620 [ 518.942386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.947565] RIP: 0033:0x465cb7 [ 518.950739] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 518.969622] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 14:45:43 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1501) [ 518.977317] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 518.984575] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 518.991824] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 518.999125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 519.006438] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:43 executing program 0 (fault-call:0 fault-nth:16): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:43 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6a020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 519.206751] FAULT_INJECTION: forcing a failure. [ 519.206751] name failslab, interval 1, probability 0, space 0, times 0 [ 519.221139] CPU: 1 PID: 14976 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 519.229040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.238400] Call Trace: [ 519.241005] dump_stack+0x1fc/0x2ef [ 519.244652] should_fail.cold+0xa/0xf [ 519.248471] ? setup_fault_attr+0x200/0x200 [ 519.252803] ? lock_acquire+0x170/0x3c0 14:45:43 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1600) [ 519.256796] __should_failslab+0x115/0x180 [ 519.261126] should_failslab+0x5/0x10 [ 519.264933] kmem_cache_alloc+0x277/0x370 [ 519.269090] __kernfs_new_node+0xd2/0x680 [ 519.273234] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 519.278001] ? __mutex_unlock_slowpath+0xea/0x610 [ 519.282855] ? wait_for_completion_io+0x10/0x10 [ 519.287537] ? kernfs_next_descendant_post+0x19c/0x290 [ 519.292837] kernfs_new_node+0x92/0x120 [ 519.296823] __kernfs_create_file+0x51/0x340 [ 519.301243] sysfs_add_file_mode_ns+0x226/0x540 14:45:43 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3701) [ 519.305925] internal_create_group+0x355/0xb20 [ 519.310522] ? sysfs_remove_link_from_group+0x70/0x70 [ 519.315701] ? lock_downgrade+0x720/0x720 [ 519.319865] lo_ioctl+0xf7c/0x20e0 [ 519.323420] ? loop_set_status64+0x110/0x110 [ 519.327839] blkdev_ioctl+0x5cb/0x1a80 [ 519.331733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 519.337110] ? blkpg_ioctl+0x9d0/0x9d0 [ 519.341010] ? mark_held_locks+0xf0/0xf0 [ 519.345077] ? mark_held_locks+0xf0/0xf0 [ 519.349146] ? debug_check_no_obj_freed+0x201/0x490 14:45:43 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1600) [ 519.354165] ? lock_downgrade+0x720/0x720 [ 519.358319] block_ioctl+0xe9/0x130 [ 519.361955] ? blkdev_fallocate+0x3f0/0x3f0 [ 519.366290] do_vfs_ioctl+0xcdb/0x12e0 [ 519.370187] ? lock_downgrade+0x720/0x720 [ 519.374341] ? check_preemption_disabled+0x41/0x280 [ 519.379382] ? ioctl_preallocate+0x200/0x200 [ 519.383787] ? __fget+0x356/0x510 [ 519.387250] ? do_dup2+0x450/0x450 [ 519.390798] ? do_sys_open+0x2bf/0x520 [ 519.394837] ksys_ioctl+0x9b/0xc0 [ 519.398281] __x64_sys_ioctl+0x6f/0xb0 [ 519.402294] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 519.406885] do_syscall_64+0xf9/0x620 [ 519.410682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 519.415854] RIP: 0033:0x465cb7 [ 519.419039] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 519.437925] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 519.445707] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 14:45:43 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5800) [ 519.452962] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 519.460213] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 519.467485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 519.474761] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:43 executing program 0 (fault-call:0 fault-nth:17): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:43 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6a030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 519.717546] FAULT_INJECTION: forcing a failure. [ 519.717546] name failslab, interval 1, probability 0, space 0, times 0 [ 519.737077] CPU: 0 PID: 15031 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 519.744996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.754349] Call Trace: [ 519.756952] dump_stack+0x1fc/0x2ef [ 519.760580] should_fail.cold+0xa/0xf [ 519.764368] ? setup_fault_attr+0x200/0x200 [ 519.768681] ? lock_acquire+0x170/0x3c0 [ 519.772821] __should_failslab+0x115/0x180 [ 519.777044] should_failslab+0x5/0x10 [ 519.780933] kmem_cache_alloc+0x277/0x370 [ 519.785614] __kernfs_new_node+0xd2/0x680 [ 519.789754] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 519.794499] ? __mutex_unlock_slowpath+0xea/0x610 [ 519.799341] ? wait_for_completion_io+0x10/0x10 [ 519.804026] ? kernfs_next_descendant_post+0x19c/0x290 [ 519.809307] kernfs_new_node+0x92/0x120 [ 519.813281] __kernfs_create_file+0x51/0x340 14:45:43 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3800) 14:45:44 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1601) [ 519.817675] sysfs_add_file_mode_ns+0x226/0x540 [ 519.822336] internal_create_group+0x355/0xb20 [ 519.826934] ? sysfs_remove_link_from_group+0x70/0x70 [ 519.832118] ? lock_downgrade+0x720/0x720 [ 519.836255] lo_ioctl+0xf7c/0x20e0 [ 519.839798] ? loop_set_status64+0x110/0x110 [ 519.844220] blkdev_ioctl+0x5cb/0x1a80 [ 519.848136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 519.853507] ? blkpg_ioctl+0x9d0/0x9d0 [ 519.857414] ? mark_held_locks+0xf0/0xf0 [ 519.861477] ? mark_held_locks+0xf0/0xf0 14:45:44 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1601) 14:45:44 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5801) [ 519.865537] ? debug_check_no_obj_freed+0x201/0x490 [ 519.870892] ? lock_downgrade+0x720/0x720 [ 519.875224] block_ioctl+0xe9/0x130 [ 519.878858] ? blkdev_fallocate+0x3f0/0x3f0 [ 519.883187] do_vfs_ioctl+0xcdb/0x12e0 [ 519.887082] ? lock_downgrade+0x720/0x720 [ 519.891239] ? check_preemption_disabled+0x41/0x280 [ 519.896270] ? ioctl_preallocate+0x200/0x200 [ 519.900688] ? __fget+0x356/0x510 [ 519.904237] ? do_dup2+0x450/0x450 [ 519.907805] ? do_sys_open+0x2bf/0x520 [ 519.911708] ksys_ioctl+0x9b/0xc0 [ 519.915174] __x64_sys_ioctl+0x6f/0xb0 [ 519.919079] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 519.923667] do_syscall_64+0xf9/0x620 [ 519.927484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 519.932674] RIP: 0033:0x465cb7 [ 519.935860] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 519.955207] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 519.962898] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 519.970169] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 519.977474] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 519.984729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 519.992173] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:44 executing program 0 (fault-call:0 fault-nth:18): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6b000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:44 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1700) [ 520.264373] FAULT_INJECTION: forcing a failure. [ 520.264373] name failslab, interval 1, probability 0, space 0, times 0 14:45:44 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5865) 14:45:44 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3801) 14:45:44 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1700) [ 520.304978] CPU: 1 PID: 15073 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 520.312908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.322261] Call Trace: [ 520.324865] dump_stack+0x1fc/0x2ef [ 520.328592] should_fail.cold+0xa/0xf [ 520.332390] ? setup_fault_attr+0x200/0x200 [ 520.336713] ? lock_acquire+0x170/0x3c0 [ 520.340711] __should_failslab+0x115/0x180 [ 520.344955] should_failslab+0x5/0x10 [ 520.348775] kmem_cache_alloc+0x277/0x370 [ 520.352928] __kernfs_new_node+0xd2/0x680 [ 520.357092] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 520.361847] ? __mutex_unlock_slowpath+0xea/0x610 [ 520.366692] ? wait_for_completion_io+0x10/0x10 [ 520.371360] ? kernfs_next_descendant_post+0x19c/0x290 [ 520.376644] kernfs_new_node+0x92/0x120 [ 520.380721] __kernfs_create_file+0x51/0x340 [ 520.385119] sysfs_add_file_mode_ns+0x226/0x540 [ 520.389831] internal_create_group+0x355/0xb20 [ 520.394402] ? sysfs_remove_link_from_group+0x70/0x70 [ 520.399577] ? lock_downgrade+0x720/0x720 [ 520.405615] lo_ioctl+0xf7c/0x20e0 [ 520.409170] ? loop_set_status64+0x110/0x110 [ 520.413596] blkdev_ioctl+0x5cb/0x1a80 [ 520.417497] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 520.422878] ? blkpg_ioctl+0x9d0/0x9d0 [ 520.426774] ? mark_held_locks+0xf0/0xf0 [ 520.430832] ? mark_held_locks+0xf0/0xf0 [ 520.434899] ? debug_check_no_obj_freed+0x201/0x490 [ 520.439905] ? lock_downgrade+0x720/0x720 [ 520.444056] block_ioctl+0xe9/0x130 [ 520.447680] ? blkdev_fallocate+0x3f0/0x3f0 [ 520.453664] do_vfs_ioctl+0xcdb/0x12e0 [ 520.457737] ? lock_downgrade+0x720/0x720 [ 520.461881] ? check_preemption_disabled+0x41/0x280 [ 520.466895] ? ioctl_preallocate+0x200/0x200 [ 520.471340] ? __fget+0x356/0x510 [ 520.474778] ? do_dup2+0x450/0x450 [ 520.478319] ? do_sys_open+0x2bf/0x520 [ 520.482234] ksys_ioctl+0x9b/0xc0 [ 520.485675] __x64_sys_ioctl+0x6f/0xb0 [ 520.489547] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 520.494129] do_syscall_64+0xf9/0x620 [ 520.497933] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 520.503139] RIP: 0033:0x465cb7 [ 520.506333] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 520.526223] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 520.533932] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 520.541208] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 520.548662] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 520.556013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 520.563281] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6b010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:44 executing program 0 (fault-call:0 fault-nth:19): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6b020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:45 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3900) 14:45:45 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1701) 14:45:45 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5900) 14:45:45 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1701) [ 520.882020] FAULT_INJECTION: forcing a failure. [ 520.882020] name failslab, interval 1, probability 0, space 0, times 0 [ 520.898193] CPU: 0 PID: 15136 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 520.906086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.915529] Call Trace: [ 520.918111] dump_stack+0x1fc/0x2ef [ 520.921758] should_fail.cold+0xa/0xf [ 520.925625] ? setup_fault_attr+0x200/0x200 [ 520.929990] ? lock_acquire+0x170/0x3c0 [ 520.933958] __should_failslab+0x115/0x180 [ 520.938180] should_failslab+0x5/0x10 [ 520.941980] kmem_cache_alloc+0x277/0x370 [ 520.946162] __kernfs_new_node+0xd2/0x680 [ 520.950752] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 520.955520] ? __mutex_unlock_slowpath+0xea/0x610 [ 520.960375] ? wait_for_completion_io+0x10/0x10 [ 520.965040] ? kernfs_next_descendant_post+0x19c/0x290 [ 520.970340] kernfs_new_node+0x92/0x120 [ 520.974311] __kernfs_create_file+0x51/0x340 [ 520.978723] sysfs_add_file_mode_ns+0x226/0x540 [ 520.983638] internal_create_group+0x355/0xb20 [ 520.988224] ? sysfs_remove_link_from_group+0x70/0x70 [ 520.993417] ? lock_downgrade+0x720/0x720 [ 520.997555] lo_ioctl+0xf7c/0x20e0 [ 521.001095] ? loop_set_status64+0x110/0x110 [ 521.005503] blkdev_ioctl+0x5cb/0x1a80 [ 521.009407] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.014762] ? blkpg_ioctl+0x9d0/0x9d0 [ 521.018651] ? mark_held_locks+0xf0/0xf0 [ 521.022698] ? mark_held_locks+0xf0/0xf0 [ 521.026834] ? debug_check_no_obj_freed+0x201/0x490 [ 521.031856] ? lock_downgrade+0x720/0x720 [ 521.036012] block_ioctl+0xe9/0x130 [ 521.039648] ? blkdev_fallocate+0x3f0/0x3f0 [ 521.043954] do_vfs_ioctl+0xcdb/0x12e0 [ 521.047828] ? lock_downgrade+0x720/0x720 [ 521.051959] ? check_preemption_disabled+0x41/0x280 [ 521.056960] ? ioctl_preallocate+0x200/0x200 [ 521.061371] ? __fget+0x356/0x510 [ 521.064826] ? do_dup2+0x450/0x450 [ 521.068440] ? do_sys_open+0x2bf/0x520 [ 521.072316] ksys_ioctl+0x9b/0xc0 [ 521.075779] __x64_sys_ioctl+0x6f/0xb0 [ 521.079749] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 521.084315] do_syscall_64+0xf9/0x620 [ 521.088103] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.093297] RIP: 0033:0x465cb7 [ 521.096495] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 521.116339] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 521.124040] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 521.131299] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 521.138638] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 521.145893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 521.153145] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:45 executing program 0 (fault-call:0 fault-nth:20): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:45 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6b030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:45 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1800) 14:45:45 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1800) 14:45:45 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5901) 14:45:45 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3901) [ 521.527868] FAULT_INJECTION: forcing a failure. [ 521.527868] name failslab, interval 1, probability 0, space 0, times 0 [ 521.555672] CPU: 0 PID: 15180 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 521.563601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.572962] Call Trace: 14:45:45 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5a00) [ 521.575568] dump_stack+0x1fc/0x2ef [ 521.579214] should_fail.cold+0xa/0xf [ 521.583040] ? setup_fault_attr+0x200/0x200 [ 521.587373] ? lock_acquire+0x170/0x3c0 [ 521.591421] ? dev_uevent_filter+0xd0/0xd0 [ 521.595926] __should_failslab+0x115/0x180 [ 521.600265] should_failslab+0x5/0x10 [ 521.604157] kmem_cache_alloc_trace+0x284/0x380 [ 521.608857] ? dev_uevent_filter+0xd0/0xd0 [ 521.614309] kobject_uevent_env+0x236/0x14a0 [ 521.618737] lo_ioctl+0xff9/0x20e0 [ 521.622293] ? loop_set_status64+0x110/0x110 [ 521.626715] blkdev_ioctl+0x5cb/0x1a80 [ 521.630618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.636141] ? blkpg_ioctl+0x9d0/0x9d0 [ 521.640044] ? mark_held_locks+0xf0/0xf0 [ 521.644153] ? mark_held_locks+0xf0/0xf0 [ 521.648285] ? debug_check_no_obj_freed+0x201/0x490 [ 521.653316] ? lock_downgrade+0x720/0x720 [ 521.657469] block_ioctl+0xe9/0x130 [ 521.661154] ? blkdev_fallocate+0x3f0/0x3f0 [ 521.665483] do_vfs_ioctl+0xcdb/0x12e0 [ 521.669361] ? lock_downgrade+0x720/0x720 [ 521.673640] ? check_preemption_disabled+0x41/0x280 [ 521.678657] ? ioctl_preallocate+0x200/0x200 [ 521.683070] ? __fget+0x356/0x510 [ 521.686522] ? do_dup2+0x450/0x450 [ 521.690077] ? do_sys_open+0x2bf/0x520 [ 521.693955] ksys_ioctl+0x9b/0xc0 [ 521.697399] __x64_sys_ioctl+0x6f/0xb0 [ 521.701286] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 521.705858] do_syscall_64+0xf9/0x620 [ 521.709648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.714830] RIP: 0033:0x465cb7 [ 521.718011] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 521.737163] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 521.745826] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 521.753082] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 521.760354] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 521.767612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 14:45:45 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a00) [ 521.775052] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 521.798135] nla_parse: 80 callbacks suppressed [ 521.798145] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 521.840595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:45:46 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1801) 14:45:46 executing program 0 (fault-call:0 fault-nth:21): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6c000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:46 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1801) [ 521.953179] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 522.005421] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 522.041413] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:45:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6c010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 522.119775] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 522.150173] FAULT_INJECTION: forcing a failure. [ 522.150173] name failslab, interval 1, probability 0, space 0, times 0 [ 522.165552] CPU: 1 PID: 15260 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 522.173474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.182878] Call Trace: [ 522.185599] dump_stack+0x1fc/0x2ef [ 522.189232] should_fail.cold+0xa/0xf [ 522.193033] ? setup_fault_attr+0x200/0x200 [ 522.197351] ? lock_acquire+0x170/0x3c0 [ 522.201330] ? dev_uevent_filter+0xd0/0xd0 [ 522.205564] __should_failslab+0x115/0x180 [ 522.209793] should_failslab+0x5/0x10 [ 522.213599] kmem_cache_alloc_trace+0x284/0x380 [ 522.218281] ? dev_uevent_filter+0xd0/0xd0 [ 522.222506] kobject_uevent_env+0x236/0x14a0 [ 522.226914] lo_ioctl+0xff9/0x20e0 [ 522.230449] ? loop_set_status64+0x110/0x110 [ 522.234874] blkdev_ioctl+0x5cb/0x1a80 [ 522.238750] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.244103] ? blkpg_ioctl+0x9d0/0x9d0 [ 522.247982] ? mark_held_locks+0xf0/0xf0 [ 522.252032] ? mark_held_locks+0xf0/0xf0 [ 522.256116] ? debug_check_no_obj_freed+0x201/0x490 [ 522.261122] ? lock_downgrade+0x720/0x720 [ 522.265276] block_ioctl+0xe9/0x130 [ 522.268894] ? blkdev_fallocate+0x3f0/0x3f0 [ 522.273208] do_vfs_ioctl+0xcdb/0x12e0 [ 522.277104] ? lock_downgrade+0x720/0x720 [ 522.281243] ? check_preemption_disabled+0x41/0x280 [ 522.286251] ? ioctl_preallocate+0x200/0x200 [ 522.290655] ? __fget+0x356/0x510 [ 522.294131] ? do_dup2+0x450/0x450 [ 522.297665] ? do_sys_open+0x2bf/0x520 [ 522.301546] ksys_ioctl+0x9b/0xc0 [ 522.304990] __x64_sys_ioctl+0x6f/0xb0 [ 522.308867] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 522.313440] do_syscall_64+0xf9/0x620 [ 522.317232] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.322408] RIP: 0033:0x465cb7 [ 522.325592] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 522.344668] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 522.352365] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 522.359619] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 522.366890] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 522.374146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 522.381401] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 522.404016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:45:46 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1900) 14:45:46 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1900) 14:45:46 executing program 0 (fault-call:0 fault-nth:22): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 522.418669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 522.449205] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 14:45:46 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5a01) 14:45:46 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a01) [ 522.511937] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:45:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6c020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:46 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1901) 14:45:46 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1901) [ 522.653863] FAULT_INJECTION: forcing a failure. [ 522.653863] name failslab, interval 1, probability 0, space 0, times 0 [ 522.674203] CPU: 1 PID: 15296 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 522.682125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.691521] Call Trace: [ 522.694128] dump_stack+0x1fc/0x2ef [ 522.697859] should_fail.cold+0xa/0xf [ 522.701672] ? setup_fault_attr+0x200/0x200 [ 522.706011] ? lock_acquire+0x170/0x3c0 [ 522.710002] __should_failslab+0x115/0x180 [ 522.714263] should_failslab+0x5/0x10 [ 522.718068] kmem_cache_alloc_node+0x245/0x3b0 [ 522.722652] __alloc_skb+0x71/0x560 [ 522.726282] alloc_uevent_skb+0x7b/0x210 [ 522.730339] kobject_uevent_env+0xa83/0x14a0 [ 522.734789] lo_ioctl+0xff9/0x20e0 [ 522.738362] ? loop_set_status64+0x110/0x110 [ 522.742756] blkdev_ioctl+0x5cb/0x1a80 [ 522.746638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.752006] ? blkpg_ioctl+0x9d0/0x9d0 [ 522.755894] ? mark_held_locks+0xf0/0xf0 [ 522.759947] ? mark_held_locks+0xf0/0xf0 [ 522.763993] ? debug_check_no_obj_freed+0x201/0x490 [ 522.769026] ? lock_downgrade+0x720/0x720 [ 522.773161] block_ioctl+0xe9/0x130 [ 522.776784] ? blkdev_fallocate+0x3f0/0x3f0 [ 522.781106] do_vfs_ioctl+0xcdb/0x12e0 [ 522.784978] ? lock_downgrade+0x720/0x720 [ 522.789107] ? check_preemption_disabled+0x41/0x280 [ 522.794106] ? ioctl_preallocate+0x200/0x200 [ 522.798501] ? __fget+0x356/0x510 [ 522.801939] ? do_dup2+0x450/0x450 [ 522.805459] ? do_sys_open+0x2bf/0x520 [ 522.809353] ksys_ioctl+0x9b/0xc0 [ 522.812803] __x64_sys_ioctl+0x6f/0xb0 [ 522.816692] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 522.821290] do_syscall_64+0xf9/0x620 [ 522.825087] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.830260] RIP: 0033:0x465cb7 [ 522.833435] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 522.852318] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 522.860190] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 522.867463] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 522.874732] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 522.881985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 522.889406] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:47 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b00) 14:45:47 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5b00) 14:45:47 executing program 0 (fault-call:0 fault-nth:23): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6c030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:47 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5b01) [ 523.210532] FAULT_INJECTION: forcing a failure. [ 523.210532] name failslab, interval 1, probability 0, space 0, times 0 [ 523.268867] CPU: 1 PID: 15343 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 523.276790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.286150] Call Trace: [ 523.288756] dump_stack+0x1fc/0x2ef [ 523.292378] should_fail.cold+0xa/0xf [ 523.296197] ? setup_fault_attr+0x200/0x200 [ 523.300516] ? lock_acquire+0x170/0x3c0 [ 523.304474] __should_failslab+0x115/0x180 [ 523.308722] should_failslab+0x5/0x10 [ 523.312519] kmem_cache_alloc_node+0x245/0x3b0 [ 523.317087] __alloc_skb+0x71/0x560 [ 523.320715] alloc_uevent_skb+0x7b/0x210 [ 523.324791] kobject_uevent_env+0xa83/0x14a0 [ 523.329209] lo_ioctl+0xff9/0x20e0 [ 523.332745] ? loop_set_status64+0x110/0x110 [ 523.337141] blkdev_ioctl+0x5cb/0x1a80 [ 523.341011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.346369] ? blkpg_ioctl+0x9d0/0x9d0 [ 523.350253] ? mark_held_locks+0xf0/0xf0 [ 523.354296] ? mark_held_locks+0xf0/0xf0 [ 523.358343] ? debug_check_no_obj_freed+0x201/0x490 [ 523.363349] ? lock_downgrade+0x720/0x720 [ 523.367497] block_ioctl+0xe9/0x130 [ 523.371114] ? blkdev_fallocate+0x3f0/0x3f0 [ 523.375419] do_vfs_ioctl+0xcdb/0x12e0 [ 523.379301] ? lock_downgrade+0x720/0x720 [ 523.383431] ? check_preemption_disabled+0x41/0x280 [ 523.388441] ? ioctl_preallocate+0x200/0x200 [ 523.392859] ? __fget+0x356/0x510 [ 523.396313] ? do_dup2+0x450/0x450 [ 523.399861] ? do_sys_open+0x2bf/0x520 [ 523.403734] ksys_ioctl+0x9b/0xc0 [ 523.407202] __x64_sys_ioctl+0x6f/0xb0 [ 523.411084] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 523.415658] do_syscall_64+0xf9/0x620 [ 523.419459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.424641] RIP: 0033:0x465cb7 [ 523.427828] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 523.446825] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 523.454529] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 523.461792] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 14:45:47 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b01) 14:45:47 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1a00) 14:45:47 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1a00) [ 523.469055] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 523.476328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 523.483593] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6d000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:47 executing program 0 (fault-call:0 fault-nth:24): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6d010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 523.742242] FAULT_INJECTION: forcing a failure. [ 523.742242] name failslab, interval 1, probability 0, space 0, times 0 [ 523.754032] CPU: 1 PID: 15403 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 523.761934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.771660] Call Trace: [ 523.774269] dump_stack+0x1fc/0x2ef [ 523.777915] should_fail.cold+0xa/0xf [ 523.781729] ? setup_fault_attr+0x200/0x200 [ 523.786071] ? lock_acquire+0x170/0x3c0 [ 523.790057] __should_failslab+0x115/0x180 [ 523.794301] should_failslab+0x5/0x10 [ 523.798212] kmem_cache_alloc+0x277/0x370 [ 523.802357] skb_clone+0x151/0x3d0 [ 523.805901] netlink_broadcast_filtered+0x8df/0xbc0 [ 523.810933] netlink_broadcast+0x35/0x40 [ 523.814992] kobject_uevent_env+0xa49/0x14a0 [ 523.819408] lo_ioctl+0xff9/0x20e0 [ 523.822945] ? loop_set_status64+0x110/0x110 [ 523.827354] blkdev_ioctl+0x5cb/0x1a80 [ 523.831235] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.836602] ? blkpg_ioctl+0x9d0/0x9d0 [ 523.840491] ? mark_held_locks+0xf0/0xf0 [ 523.844543] ? mark_held_locks+0xf0/0xf0 [ 523.848602] ? debug_check_no_obj_freed+0x201/0x490 [ 523.853623] ? lock_downgrade+0x720/0x720 [ 523.857779] block_ioctl+0xe9/0x130 [ 523.861399] ? blkdev_fallocate+0x3f0/0x3f0 [ 523.865716] do_vfs_ioctl+0xcdb/0x12e0 [ 523.869609] ? lock_downgrade+0x720/0x720 [ 523.873748] ? check_preemption_disabled+0x41/0x280 [ 523.878760] ? ioctl_preallocate+0x200/0x200 [ 523.883174] ? __fget+0x356/0x510 [ 523.886637] ? do_dup2+0x450/0x450 [ 523.890172] ? do_sys_open+0x2bf/0x520 [ 523.894059] ksys_ioctl+0x9b/0xc0 [ 523.897522] __x64_sys_ioctl+0x6f/0xb0 [ 523.901404] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 523.905983] do_syscall_64+0xf9/0x620 [ 523.909780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.914950] RIP: 0033:0x465cb7 [ 523.918143] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 523.937045] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 523.944860] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 523.952228] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 523.959481] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 523.966744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 523.974122] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:48 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5c00) 14:45:48 executing program 0 (fault-call:0 fault-nth:25): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:48 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c00) 14:45:48 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1a01) 14:45:48 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1a01) [ 524.184160] FAULT_INJECTION: forcing a failure. [ 524.184160] name failslab, interval 1, probability 0, space 0, times 0 [ 524.233072] CPU: 0 PID: 15426 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 524.240997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.250356] Call Trace: [ 524.252962] dump_stack+0x1fc/0x2ef [ 524.256608] should_fail.cold+0xa/0xf [ 524.260426] ? setup_fault_attr+0x200/0x200 [ 524.264760] ? lock_acquire+0x170/0x3c0 [ 524.268747] __should_failslab+0x115/0x180 [ 524.273001] should_failslab+0x5/0x10 [ 524.276812] kmem_cache_alloc+0x277/0x370 [ 524.280979] getname_flags+0xce/0x590 [ 524.284793] do_mkdirat+0x8d/0x2d0 [ 524.288346] ? __ia32_sys_mknod+0x120/0x120 [ 524.292674] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 524.298052] ? trace_hardirqs_off_caller+0x6e/0x210 [ 524.303076] ? do_syscall_64+0x21/0x620 [ 524.307064] do_syscall_64+0xf9/0x620 [ 524.310876] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 524.316076] RIP: 0033:0x465007 14:45:48 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c01) 14:45:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6d020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 524.319273] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 524.338183] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 524.345904] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 524.353185] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 524.360461] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 524.367735] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 524.375011] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:48 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5c01) 14:45:48 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1b00) 14:45:48 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1b00) 14:45:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6d030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:48 executing program 0 (fault-call:0 fault-nth:26): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 524.694499] FAULT_INJECTION: forcing a failure. [ 524.694499] name failslab, interval 1, probability 0, space 0, times 0 [ 524.707783] CPU: 0 PID: 15494 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 524.715695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.725054] Call Trace: [ 524.727657] dump_stack+0x1fc/0x2ef [ 524.731308] should_fail.cold+0xa/0xf [ 524.735382] ? setup_fault_attr+0x200/0x200 [ 524.739716] ? lock_acquire+0x170/0x3c0 14:45:48 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5d00) [ 524.743731] __should_failslab+0x115/0x180 [ 524.747980] should_failslab+0x5/0x10 [ 524.751788] kmem_cache_alloc_trace+0x284/0x380 [ 524.756465] ? wait_for_completion_io+0x10/0x10 [ 524.761141] ? kobj_ns_initial+0x90/0x90 [ 524.765213] call_usermodehelper_setup+0x84/0x300 [ 524.770072] kobject_uevent_env+0xe87/0x14a0 [ 524.774502] lo_ioctl+0xff9/0x20e0 [ 524.778057] ? loop_set_status64+0x110/0x110 [ 524.782460] blkdev_ioctl+0x5cb/0x1a80 [ 524.786351] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 524.791732] ? blkpg_ioctl+0x9d0/0x9d0 [ 524.795632] ? mark_held_locks+0xf0/0xf0 [ 524.799724] ? mark_held_locks+0xf0/0xf0 [ 524.803787] ? debug_check_no_obj_freed+0x201/0x490 [ 524.808792] ? lock_downgrade+0x720/0x720 [ 524.812927] block_ioctl+0xe9/0x130 [ 524.816586] ? blkdev_fallocate+0x3f0/0x3f0 [ 524.820908] do_vfs_ioctl+0xcdb/0x12e0 [ 524.824780] ? lock_downgrade+0x720/0x720 [ 524.828928] ? check_preemption_disabled+0x41/0x280 [ 524.833931] ? ioctl_preallocate+0x200/0x200 [ 524.838346] ? __fget+0x356/0x510 [ 524.841782] ? do_dup2+0x450/0x450 [ 524.845322] ? do_sys_open+0x2bf/0x520 [ 524.849199] ksys_ioctl+0x9b/0xc0 [ 524.852675] __x64_sys_ioctl+0x6f/0xb0 [ 524.856578] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 524.861162] do_syscall_64+0xf9/0x620 [ 524.864950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 524.870123] RIP: 0033:0x465cb7 [ 524.873300] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:45:49 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1b01) 14:45:49 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d00) 14:45:49 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1b01) [ 524.892192] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 524.899890] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 524.907141] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 524.914392] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 524.921646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 524.928896] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6e000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:49 executing program 0 (fault-call:0 fault-nth:27): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6e010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 525.178502] FAULT_INJECTION: forcing a failure. [ 525.178502] name failslab, interval 1, probability 0, space 0, times 0 [ 525.190452] CPU: 1 PID: 15545 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 525.198351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.207705] Call Trace: [ 525.210289] dump_stack+0x1fc/0x2ef [ 525.213906] should_fail.cold+0xa/0xf [ 525.217700] ? setup_fault_attr+0x200/0x200 [ 525.222009] ? lock_acquire+0x170/0x3c0 [ 525.226150] __should_failslab+0x115/0x180 [ 525.230375] should_failslab+0x5/0x10 [ 525.234163] kmem_cache_alloc+0x277/0x370 [ 525.238303] getname_flags+0xce/0x590 [ 525.242092] do_mkdirat+0x8d/0x2d0 [ 525.245622] ? __ia32_sys_mknod+0x120/0x120 [ 525.249932] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 525.255286] ? trace_hardirqs_off_caller+0x6e/0x210 [ 525.260291] ? do_syscall_64+0x21/0x620 [ 525.264257] do_syscall_64+0xf9/0x620 [ 525.268049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.273223] RIP: 0033:0x465007 [ 525.276404] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 525.295290] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 525.302985] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 525.310250] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 525.317504] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff 14:45:49 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1c00) 14:45:49 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d01) [ 525.324771] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 525.332023] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:49 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1c00) 14:45:49 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5d01) 14:45:49 executing program 0 (fault-call:0 fault-nth:28): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 525.566776] FAULT_INJECTION: forcing a failure. [ 525.566776] name failslab, interval 1, probability 0, space 0, times 0 [ 525.585876] CPU: 0 PID: 15571 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 525.593800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.603160] Call Trace: [ 525.605774] dump_stack+0x1fc/0x2ef [ 525.609415] should_fail.cold+0xa/0xf [ 525.613228] ? setup_fault_attr+0x200/0x200 [ 525.617556] ? lock_acquire+0x170/0x3c0 [ 525.621541] __should_failslab+0x115/0x180 [ 525.625794] should_failslab+0x5/0x10 [ 525.629606] kmem_cache_alloc_trace+0x284/0x380 [ 525.634280] ? wait_for_completion_io+0x10/0x10 [ 525.638954] ? kobj_ns_initial+0x90/0x90 [ 525.643033] call_usermodehelper_setup+0x84/0x300 [ 525.647890] kobject_uevent_env+0xe87/0x14a0 [ 525.652316] lo_ioctl+0xff9/0x20e0 [ 525.655867] ? loop_set_status64+0x110/0x110 [ 525.660289] blkdev_ioctl+0x5cb/0x1a80 [ 525.664183] ? finish_task_switch+0x1db/0x760 [ 525.668690] ? blkpg_ioctl+0x9d0/0x9d0 [ 525.672574] ? mark_held_locks+0xf0/0xf0 [ 525.676619] ? __schedule+0x88f/0x2040 [ 525.680491] ? io_schedule_timeout+0x140/0x140 [ 525.685061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 525.690149] block_ioctl+0xe9/0x130 [ 525.693757] ? blkdev_fallocate+0x3f0/0x3f0 [ 525.698059] do_vfs_ioctl+0xcdb/0x12e0 [ 525.701943] ? lock_downgrade+0x720/0x720 [ 525.706086] ? check_preemption_disabled+0x41/0x280 [ 525.711082] ? ioctl_preallocate+0x200/0x200 [ 525.715481] ? __fget+0x356/0x510 [ 525.718928] ? do_dup2+0x450/0x450 [ 525.722447] ? do_sys_open+0x2bf/0x520 [ 525.726331] ksys_ioctl+0x9b/0xc0 [ 525.729765] __x64_sys_ioctl+0x6f/0xb0 [ 525.733645] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 525.738208] do_syscall_64+0xf9/0x620 [ 525.741990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.747164] RIP: 0033:0x465cb7 14:45:49 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1c01) 14:45:49 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1c01) 14:45:49 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5e00) [ 525.750337] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 4d 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 525.769228] RSP: 002b:00007fdc842e3f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 525.776914] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000465cb7 [ 525.784161] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 525.791408] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 525.798667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 525.805927] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 14:45:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6e020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:50 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e00) 14:45:50 executing program 0 (fault-call:0 fault-nth:29): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 526.050480] FAULT_INJECTION: forcing a failure. [ 526.050480] name failslab, interval 1, probability 0, space 0, times 0 [ 526.069054] CPU: 0 PID: 15614 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 526.076994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.086385] Call Trace: [ 526.088986] dump_stack+0x1fc/0x2ef [ 526.092637] should_fail.cold+0xa/0xf [ 526.096451] ? setup_fault_attr+0x200/0x200 [ 526.100825] ? lock_acquire+0x170/0x3c0 [ 526.104821] __should_failslab+0x115/0x180 [ 526.109067] should_failslab+0x5/0x10 [ 526.112879] kmem_cache_alloc+0x277/0x370 [ 526.117036] __d_alloc+0x2b/0xa10 [ 526.120505] d_alloc+0x4a/0x230 [ 526.123802] __lookup_hash+0xc8/0x180 [ 526.127615] filename_create+0x186/0x490 [ 526.131686] ? kern_path_mountpoint+0x40/0x40 [ 526.136182] ? strncpy_from_user+0x2a2/0x350 [ 526.140597] ? getname_flags+0x25b/0x590 [ 526.144668] do_mkdirat+0xa0/0x2d0 [ 526.148213] ? __ia32_sys_mknod+0x120/0x120 [ 526.152564] ? trace_hardirqs_off_caller+0x6e/0x210 [ 526.157647] ? do_syscall_64+0x21/0x620 [ 526.162065] do_syscall_64+0xf9/0x620 [ 526.165883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 526.171076] RIP: 0033:0x465007 [ 526.174271] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 526.193179] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 14:45:50 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5e01) 14:45:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6e030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:50 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1d00) 14:45:50 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e01) 14:45:50 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1d00) [ 526.200916] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 526.208202] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 526.215495] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 526.222781] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 526.230068] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:50 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5f00) 14:45:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6f000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:50 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1d01) 14:45:50 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f00) 14:45:50 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5f01) 14:45:50 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1d01) 14:45:50 executing program 0 (fault-call:0 fault-nth:30): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 526.796037] FAULT_INJECTION: forcing a failure. [ 526.796037] name failslab, interval 1, probability 0, space 0, times 0 [ 526.809816] CPU: 0 PID: 15704 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 526.810499] nla_parse: 75 callbacks suppressed [ 526.810508] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 526.817730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.817736] Call Trace: [ 526.817763] dump_stack+0x1fc/0x2ef [ 526.817785] should_fail.cold+0xa/0xf [ 526.817804] ? setup_fault_attr+0x200/0x200 [ 526.817837] __should_failslab+0x115/0x180 [ 526.817858] should_failslab+0x5/0x10 [ 526.817875] kmem_cache_alloc+0x277/0x370 [ 526.817896] ? ext4_sync_fs+0x8d0/0x8d0 [ 526.870857] ext4_alloc_inode+0x1a/0x630 [ 526.874942] ? ext4_sync_fs+0x8d0/0x8d0 [ 526.878939] alloc_inode+0x5d/0x180 [ 526.882584] new_inode+0x1d/0xf0 [ 526.885974] __ext4_new_inode+0x400/0x5a20 [ 526.890231] ? putname+0xe1/0x120 [ 526.893698] ? do_mkdirat+0xa0/0x2d0 [ 526.897428] ? ext4_free_inode+0x1780/0x1780 [ 526.901853] ? debug_check_no_obj_freed+0x201/0x490 [ 526.906885] ? __dquot_initialize+0x298/0xb70 [ 526.911402] ? lock_acquire+0x170/0x3c0 [ 526.915396] ? dquot_initialize_needed+0x290/0x290 [ 526.920344] ? trace_hardirqs_off+0x64/0x200 [ 526.924769] ? common_perm+0x4be/0x800 [ 526.926095] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 526.928672] ext4_mkdir+0x396/0xe10 [ 526.928695] ? putname+0xe1/0x120 [ 526.928717] ? ext4_init_dot_dotdot+0x600/0x600 [ 526.949041] ? generic_permission+0x116/0x4d0 [ 526.953555] ? security_inode_permission+0xc5/0xf0 [ 526.958511] ? inode_permission.part.0+0x10c/0x450 [ 526.963464] vfs_mkdir+0x508/0x7a0 [ 526.967022] do_mkdirat+0x262/0x2d0 [ 526.970660] ? __ia32_sys_mknod+0x120/0x120 [ 526.975001] ? trace_hardirqs_off_caller+0x6e/0x210 [ 526.980033] ? do_syscall_64+0x21/0x620 [ 526.984288] do_syscall_64+0xf9/0x620 [ 526.988111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 526.993395] RIP: 0033:0x465007 [ 526.996600] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 527.015510] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 527.023233] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 527.030521] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 527.037802] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff 14:45:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6f010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 527.045119] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 527.052398] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 527.062359] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:45:51 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1e00) 14:45:51 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6000) [ 527.116718] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 527.131818] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 527.141037] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 527.156006] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:45:51 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1e00) 14:45:51 executing program 0 (fault-call:0 fault-nth:31): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:51 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f01) 14:45:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6f020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 527.282299] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 527.374412] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 527.393552] FAULT_INJECTION: forcing a failure. [ 527.393552] name failslab, interval 1, probability 0, space 0, times 0 [ 527.405341] CPU: 0 PID: 15758 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 527.413248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.422615] Call Trace: [ 527.425220] dump_stack+0x1fc/0x2ef [ 527.428866] should_fail.cold+0xa/0xf [ 527.432683] ? setup_fault_attr+0x200/0x200 [ 527.437016] ? __es_tree_search.isra.0+0x1af/0x210 [ 527.441958] __should_failslab+0x115/0x180 [ 527.446202] should_failslab+0x5/0x10 [ 527.448202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 527.450006] kmem_cache_alloc+0x3f/0x370 [ 527.462686] __es_insert_extent+0x39b/0x13b0 [ 527.467105] ? lock_acquire+0x170/0x3c0 14:45:51 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1e01) [ 527.471086] ? ext4_es_insert_extent+0x17e/0x5e0 [ 527.475855] ext4_es_insert_extent+0x22e/0x5e0 [ 527.480449] ? lock_downgrade+0x720/0x720 [ 527.484605] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 527.490416] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 527.495439] ? ext4_es_find_delayed_extent_range+0x7d9/0x9f0 [ 527.501247] ext4_ext_map_blocks+0x2129/0x7390 [ 527.505841] ? __lock_acquire+0x6de/0x3ff0 [ 527.510096] ? __lock_acquire+0x6de/0x3ff0 [ 527.514349] ? mark_held_locks+0xf0/0xf0 [ 527.518428] ? __ext4_handle_dirty_metadata+0x1e0/0x590 14:45:51 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6001) [ 527.524064] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 527.529260] ? mark_held_locks+0xf0/0xf0 [ 527.533332] ? ext4_mark_iloc_dirty+0x1af6/0x2b10 [ 527.538194] ? ext4_es_lookup_extent+0x375/0xb60 [ 527.543028] ? check_preemption_disabled+0x41/0x280 [ 527.548076] ? lock_acquire+0x170/0x3c0 [ 527.552068] ? ext4_map_blocks+0x33e/0x1a50 [ 527.556413] ext4_map_blocks+0xd88/0x1a50 [ 527.560580] ? check_preemption_disabled+0x41/0x280 [ 527.565624] ? ext4_issue_zeroout+0x160/0x160 [ 527.570166] ? __brelse+0x84/0xa0 [ 527.573640] ? __ext4_new_inode+0x2eb/0x5a20 [ 527.578077] ext4_getblk+0xad/0x4f0 [ 527.581721] ? ext4_iomap_begin+0xe00/0xe00 [ 527.586055] ? ext4_free_inode+0x1780/0x1780 [ 527.590476] ? debug_check_no_obj_freed+0x201/0x490 [ 527.595505] ? __dquot_initialize+0x298/0xb70 [ 527.600015] ext4_bread+0x7c/0x210 [ 527.603566] ? ext4_getblk+0x4f0/0x4f0 [ 527.607465] ? dquot_initialize_needed+0x290/0x290 [ 527.612407] ? trace_hardirqs_off+0x64/0x200 [ 527.616835] ext4_append+0x155/0x370 [ 527.620561] ext4_mkdir+0x5bd/0xe10 14:45:51 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1f00) [ 527.624203] ? ext4_init_dot_dotdot+0x600/0x600 [ 527.628880] ? generic_permission+0x116/0x4d0 [ 527.633388] ? inode_permission.part.0+0x10c/0x450 [ 527.638324] vfs_mkdir+0x508/0x7a0 [ 527.641875] do_mkdirat+0x262/0x2d0 [ 527.645516] ? __ia32_sys_mknod+0x120/0x120 [ 527.649858] ? trace_hardirqs_off_caller+0x6e/0x210 [ 527.654879] ? do_syscall_64+0x21/0x620 [ 527.658867] do_syscall_64+0xf9/0x620 [ 527.662690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 527.667882] RIP: 0033:0x465007 14:45:51 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6100) [ 527.671084] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 527.690250] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 527.697968] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 527.705326] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 527.712601] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 527.719879] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 527.727155] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:51 executing program 0 (fault-call:0 fault-nth:32): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:52 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4000) 14:45:52 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6101) 14:45:52 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1e01) 14:45:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6f030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 528.045405] FAULT_INJECTION: forcing a failure. [ 528.045405] name failslab, interval 1, probability 0, space 0, times 0 [ 528.056807] CPU: 1 PID: 15831 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 528.064694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.074050] Call Trace: [ 528.076653] dump_stack+0x1fc/0x2ef [ 528.080290] should_fail.cold+0xa/0xf [ 528.084106] ? setup_fault_attr+0x200/0x200 [ 528.088448] ? __es_tree_search.isra.0+0x1af/0x210 [ 528.093392] __should_failslab+0x115/0x180 [ 528.097641] should_failslab+0x5/0x10 [ 528.101453] kmem_cache_alloc+0x3f/0x370 [ 528.105701] __es_insert_extent+0x39b/0x13b0 [ 528.110125] ? lock_acquire+0x170/0x3c0 [ 528.114105] ? ext4_es_insert_extent+0x17e/0x5e0 [ 528.118879] ext4_es_insert_extent+0x22e/0x5e0 [ 528.123480] ? lock_downgrade+0x720/0x720 [ 528.127639] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 528.133454] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 528.138487] ? ext4_es_find_delayed_extent_range+0x7d9/0x9f0 [ 528.144296] ext4_ext_map_blocks+0x2129/0x7390 [ 528.148893] ? __lock_acquire+0x6de/0x3ff0 [ 528.153139] ? __lock_acquire+0x6de/0x3ff0 [ 528.157383] ? mark_held_locks+0xf0/0xf0 [ 528.161457] ? __ext4_handle_dirty_metadata+0x1e0/0x590 [ 528.166832] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 528.172039] ? mark_held_locks+0xf0/0xf0 [ 528.176113] ? ext4_mark_iloc_dirty+0x1af6/0x2b10 [ 528.180974] ? ext4_es_lookup_extent+0x375/0xb60 [ 528.185756] ? check_preemption_disabled+0x41/0x280 [ 528.190791] ? lock_acquire+0x170/0x3c0 [ 528.194776] ? ext4_map_blocks+0x33e/0x1a50 [ 528.199124] ext4_map_blocks+0xd88/0x1a50 [ 528.203316] ? check_preemption_disabled+0x41/0x280 [ 528.208447] ? ext4_issue_zeroout+0x160/0x160 [ 528.212962] ? __brelse+0x84/0xa0 [ 528.216430] ? __ext4_new_inode+0x2eb/0x5a20 [ 528.220861] ext4_getblk+0xad/0x4f0 [ 528.224499] ? ext4_iomap_begin+0xe00/0xe00 [ 528.228832] ? ext4_free_inode+0x1780/0x1780 [ 528.233254] ? debug_check_no_obj_freed+0x201/0x490 [ 528.238282] ? __dquot_initialize+0x298/0xb70 [ 528.242796] ext4_bread+0x7c/0x210 14:45:52 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1f01) 14:45:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x70000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:52 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4001) [ 528.246474] ? ext4_getblk+0x4f0/0x4f0 [ 528.250372] ? dquot_initialize_needed+0x290/0x290 [ 528.255318] ? trace_hardirqs_off+0x64/0x200 [ 528.259740] ext4_append+0x155/0x370 [ 528.263473] ext4_mkdir+0x5bd/0xe10 [ 528.267121] ? ext4_init_dot_dotdot+0x600/0x600 [ 528.271809] ? generic_permission+0x116/0x4d0 [ 528.276430] ? inode_permission.part.0+0x10c/0x450 [ 528.281479] vfs_mkdir+0x508/0x7a0 [ 528.285027] do_mkdirat+0x262/0x2d0 [ 528.288662] ? __ia32_sys_mknod+0x120/0x120 14:45:52 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1f00) [ 528.292995] ? trace_hardirqs_off_caller+0x6e/0x210 [ 528.298110] ? do_syscall_64+0x21/0x620 [ 528.302095] do_syscall_64+0xf9/0x620 [ 528.305909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.311103] RIP: 0033:0x465007 [ 528.314299] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 528.333199] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 14:45:52 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6200) [ 528.340924] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 528.349155] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 528.356435] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 528.363707] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 528.370980] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:52 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2000) 14:45:52 executing program 0 (fault-call:0 fault-nth:33): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:52 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6201) 14:45:52 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4100) 14:45:52 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x1f01) 14:45:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x70010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 528.818085] FAULT_INJECTION: forcing a failure. [ 528.818085] name failslab, interval 1, probability 0, space 0, times 0 [ 528.829623] CPU: 1 PID: 15914 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 528.837512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.846868] Call Trace: [ 528.849469] dump_stack+0x1fc/0x2ef [ 528.853114] should_fail.cold+0xa/0xf [ 528.856928] ? setup_fault_attr+0x200/0x200 [ 528.861262] ? __es_tree_search.isra.0+0x1af/0x210 14:45:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x70020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 528.866210] __should_failslab+0x115/0x180 [ 528.870460] should_failslab+0x5/0x10 [ 528.874262] kmem_cache_alloc+0x3f/0x370 [ 528.878334] __es_insert_extent+0x39b/0x13b0 [ 528.882768] ext4_es_insert_extent+0x22e/0x5e0 [ 528.887364] ? ext4_map_blocks+0x59f/0x1a50 [ 528.891693] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 528.897514] ext4_map_blocks+0xa2a/0x1a50 [ 528.901681] ? ext4_issue_zeroout+0x160/0x160 [ 528.906190] ? __brelse+0x84/0xa0 [ 528.909652] ? __ext4_new_inode+0x2eb/0x5a20 [ 528.914075] ext4_getblk+0xad/0x4f0 [ 528.917720] ? ext4_iomap_begin+0xe00/0xe00 [ 528.922055] ? ext4_free_inode+0x1780/0x1780 [ 528.926476] ? debug_check_no_obj_freed+0x201/0x490 [ 528.931501] ? __dquot_initialize+0x298/0xb70 [ 528.936010] ext4_bread+0x7c/0x210 [ 528.939561] ? ext4_getblk+0x4f0/0x4f0 [ 528.943457] ? dquot_initialize_needed+0x290/0x290 [ 528.948390] ? trace_hardirqs_off+0x64/0x200 [ 528.952799] ext4_append+0x155/0x370 [ 528.956524] ext4_mkdir+0x5bd/0xe10 [ 528.960176] ? ext4_init_dot_dotdot+0x600/0x600 14:45:53 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2001) [ 528.964861] ? generic_permission+0x116/0x4d0 [ 528.969369] ? inode_permission.part.0+0x10c/0x450 [ 528.974313] vfs_mkdir+0x508/0x7a0 [ 528.977866] do_mkdirat+0x262/0x2d0 [ 528.981504] ? __ia32_sys_mknod+0x120/0x120 [ 528.985840] ? trace_hardirqs_off_caller+0x6e/0x210 [ 528.990864] ? do_syscall_64+0x21/0x620 [ 528.994852] do_syscall_64+0xf9/0x620 [ 528.998665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.003860] RIP: 0033:0x465007 14:45:53 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2000) 14:45:53 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4101) [ 529.007063] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 529.026078] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 529.033790] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 529.041062] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 529.048337] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 529.055613] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 529.062886] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:53 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6300) 14:45:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x70030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:53 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2001) 14:45:53 executing program 0 (fault-call:0 fault-nth:34): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:53 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4200) 14:45:53 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2100) 14:45:53 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6301) 14:45:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x71000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 529.572885] FAULT_INJECTION: forcing a failure. [ 529.572885] name failslab, interval 1, probability 0, space 0, times 0 [ 529.584403] CPU: 1 PID: 16006 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 529.592292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.601649] Call Trace: [ 529.604257] dump_stack+0x1fc/0x2ef [ 529.607902] should_fail.cold+0xa/0xf [ 529.611718] ? setup_fault_attr+0x200/0x200 [ 529.616052] ? __es_tree_search.isra.0+0x1af/0x210 [ 529.620995] __should_failslab+0x115/0x180 [ 529.625244] should_failslab+0x5/0x10 [ 529.629052] kmem_cache_alloc+0x3f/0x370 [ 529.633124] __es_insert_extent+0x39b/0x13b0 [ 529.637560] ext4_es_insert_extent+0x22e/0x5e0 [ 529.642241] ? ext4_map_blocks+0x59f/0x1a50 [ 529.646578] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 529.652405] ext4_map_blocks+0xa2a/0x1a50 [ 529.656577] ? ext4_issue_zeroout+0x160/0x160 [ 529.661077] ? __brelse+0x84/0xa0 [ 529.664550] ? __ext4_new_inode+0x2eb/0x5a20 [ 529.668969] ext4_getblk+0xad/0x4f0 [ 529.672593] ? ext4_iomap_begin+0xe00/0xe00 [ 529.676919] ? ext4_free_inode+0x1780/0x1780 [ 529.681354] ? debug_check_no_obj_freed+0x201/0x490 [ 529.686362] ? __dquot_initialize+0x298/0xb70 [ 529.690849] ext4_bread+0x7c/0x210 [ 529.694376] ? ext4_getblk+0x4f0/0x4f0 [ 529.698340] ? dquot_initialize_needed+0x290/0x290 [ 529.703256] ? trace_hardirqs_off+0x64/0x200 [ 529.707657] ext4_append+0x155/0x370 [ 529.711360] ext4_mkdir+0x5bd/0xe10 [ 529.714978] ? ext4_init_dot_dotdot+0x600/0x600 [ 529.719635] ? generic_permission+0x116/0x4d0 [ 529.724122] ? inode_permission.part.0+0x10c/0x450 [ 529.729040] vfs_mkdir+0x508/0x7a0 [ 529.732571] do_mkdirat+0x262/0x2d0 [ 529.736186] ? __ia32_sys_mknod+0x120/0x120 [ 529.740495] ? trace_hardirqs_off_caller+0x6e/0x210 [ 529.745497] ? do_syscall_64+0x21/0x620 [ 529.749457] do_syscall_64+0xf9/0x620 [ 529.753246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.758422] RIP: 0033:0x465007 14:45:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x71010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 529.761606] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 529.780492] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 529.788187] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465007 [ 529.795444] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 529.802697] RBP: 00007fdc842e4040 R08: 0000000000000000 R09: ffffffffffffffff [ 529.809950] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 529.817203] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:54 executing program 0 (fault-call:0 fault-nth:35): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:54 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2100) 14:45:54 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2101) 14:45:54 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4201) 14:45:54 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6400) [ 530.105485] EXT4-fs mount: 49 callbacks suppressed [ 530.105501] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 530.154982] FAULT_INJECTION: forcing a failure. [ 530.154982] name failslab, interval 1, probability 0, space 0, times 0 [ 530.191740] CPU: 1 PID: 16047 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 530.199683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.209050] Call Trace: [ 530.211657] dump_stack+0x1fc/0x2ef [ 530.215302] should_fail.cold+0xa/0xf [ 530.219116] ? setup_fault_attr+0x200/0x200 [ 530.223452] ? lock_acquire+0x170/0x3c0 [ 530.227449] __should_failslab+0x115/0x180 [ 530.231693] should_failslab+0x5/0x10 [ 530.235500] __kmalloc_track_caller+0x2a6/0x3c0 [ 530.240176] ? strndup_user+0x70/0x120 [ 530.244064] ? _copy_from_user+0xd2/0x130 [ 530.248230] memdup_user+0x22/0xb0 [ 530.251781] strndup_user+0x70/0x120 [ 530.255502] ksys_mount+0x6f/0x130 [ 530.259054] __x64_sys_mount+0xba/0x150 [ 530.263049] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 530.267642] do_syscall_64+0xf9/0x620 [ 530.271454] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 530.276643] RIP: 0033:0x46741a [ 530.279842] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:45:54 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2101) 14:45:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x71020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:54 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6401) 14:45:54 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2200) 14:45:54 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4300) [ 530.298834] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 530.306555] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 530.313832] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 530.321108] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 530.328385] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 530.335668] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:54 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2200) 14:45:54 executing program 0 (fault-call:0 fault-nth:36): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 530.583464] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 530.610187] FAULT_INJECTION: forcing a failure. [ 530.610187] name failslab, interval 1, probability 0, space 0, times 0 [ 530.625219] CPU: 1 PID: 16115 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 530.633132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.642504] Call Trace: [ 530.645113] dump_stack+0x1fc/0x2ef [ 530.648776] should_fail.cold+0xa/0xf [ 530.652590] ? setup_fault_attr+0x200/0x200 [ 530.656925] ? lock_acquire+0x170/0x3c0 [ 530.660914] __should_failslab+0x115/0x180 [ 530.665166] should_failslab+0x5/0x10 [ 530.668974] __kmalloc_track_caller+0x2a6/0x3c0 [ 530.673652] ? strndup_user+0x70/0x120 [ 530.677555] memdup_user+0x22/0xb0 [ 530.681111] strndup_user+0x70/0x120 [ 530.684843] ksys_mount+0x34/0x130 [ 530.688402] __x64_sys_mount+0xba/0x150 [ 530.692395] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 530.696989] do_syscall_64+0xf9/0x620 [ 530.700802] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 530.705994] RIP: 0033:0x46741a [ 530.709193] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:45:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x71030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:54 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4301) 14:45:54 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6500) [ 530.728112] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 530.735836] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 530.743117] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 530.750400] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 530.757681] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 530.764961] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:54 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2201) 14:45:54 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2201) 14:45:55 executing program 0 (fault-call:0 fault-nth:37): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 530.961055] FAULT_INJECTION: forcing a failure. [ 530.961055] name failslab, interval 1, probability 0, space 0, times 0 [ 530.974016] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 530.974470] CPU: 1 PID: 16148 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 530.993634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.003120] Call Trace: [ 531.005728] dump_stack+0x1fc/0x2ef [ 531.009372] should_fail.cold+0xa/0xf [ 531.013189] ? setup_fault_attr+0x200/0x200 [ 531.017523] ? lock_acquire+0x170/0x3c0 [ 531.021513] __should_failslab+0x115/0x180 [ 531.025762] should_failslab+0x5/0x10 [ 531.029573] kmem_cache_alloc_trace+0x284/0x380 [ 531.034252] ? _copy_from_user+0xd2/0x130 [ 531.041192] copy_mount_options+0x59/0x380 [ 531.045439] ksys_mount+0x9b/0x130 [ 531.048997] __x64_sys_mount+0xba/0x150 [ 531.052986] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 531.057581] do_syscall_64+0xf9/0x620 14:45:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x72000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 531.061393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.066592] RIP: 0033:0x46741a [ 531.069785] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 531.088692] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 531.096410] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 531.103694] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:45:55 executing program 0 (fault-call:0 fault-nth:38): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 531.110970] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 531.118252] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 531.125530] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:55 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2300) 14:45:55 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2300) 14:45:55 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4400) 14:45:55 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6501) [ 531.331109] FAULT_INJECTION: forcing a failure. [ 531.331109] name failslab, interval 1, probability 0, space 0, times 0 [ 531.378878] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 531.385157] CPU: 1 PID: 16184 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 531.398433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.407794] Call Trace: [ 531.410398] dump_stack+0x1fc/0x2ef [ 531.414035] should_fail.cold+0xa/0xf [ 531.417852] ? setup_fault_attr+0x200/0x200 [ 531.422190] ? lock_acquire+0x170/0x3c0 [ 531.426179] __should_failslab+0x115/0x180 [ 531.430425] should_failslab+0x5/0x10 [ 531.434232] kmem_cache_alloc+0x277/0x370 [ 531.438390] getname_flags+0xce/0x590 [ 531.442205] user_path_at_empty+0x2a/0x50 [ 531.446423] do_mount+0x147/0x2f10 [ 531.449967] ? cmp_ex_sort+0xc0/0xc0 [ 531.453689] ? __do_page_fault+0x180/0xd60 [ 531.457940] ? copy_mount_string+0x40/0x40 [ 531.462195] ? memset+0x20/0x40 [ 531.465481] ? copy_mount_options+0x26f/0x380 [ 531.469984] ksys_mount+0xcf/0x130 [ 531.473534] __x64_sys_mount+0xba/0x150 [ 531.477522] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 531.482112] do_syscall_64+0xf9/0x620 [ 531.485935] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.491125] RIP: 0033:0x46741a [ 531.494323] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 531.513229] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 531.520950] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a 14:45:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x72010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 531.528225] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 531.535494] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 531.542774] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 531.550050] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:55 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6558) 14:45:55 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2301) 14:45:55 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2301) 14:45:55 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4401) 14:45:55 executing program 0 (fault-call:0 fault-nth:39): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x72020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 531.765009] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 531.841920] nla_parse: 86 callbacks suppressed [ 531.841930] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 531.889700] FAULT_INJECTION: forcing a failure. [ 531.889700] name failslab, interval 1, probability 0, space 0, times 0 [ 531.897507] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 531.937801] CPU: 1 PID: 16246 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 531.945734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.955095] Call Trace: [ 531.957819] dump_stack+0x1fc/0x2ef [ 531.961459] should_fail.cold+0xa/0xf [ 531.965281] ? setup_fault_attr+0x200/0x200 [ 531.969616] ? lock_acquire+0x170/0x3c0 [ 531.973608] __should_failslab+0x115/0x180 [ 531.977850] should_failslab+0x5/0x10 [ 531.981747] kmem_cache_alloc+0x277/0x370 [ 531.985893] getname_flags+0xce/0x590 [ 531.989793] user_path_at_empty+0x2a/0x50 [ 531.994019] do_mount+0x147/0x2f10 [ 531.997648] ? cmp_ex_sort+0xc0/0xc0 [ 532.001351] ? __do_page_fault+0x180/0xd60 [ 532.005575] ? copy_mount_string+0x40/0x40 [ 532.009802] ? memset+0x20/0x40 [ 532.013081] ? copy_mount_options+0x26f/0x380 [ 532.017567] ksys_mount+0xcf/0x130 [ 532.021096] __x64_sys_mount+0xba/0x150 [ 532.025073] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 532.029656] do_syscall_64+0xf9/0x620 [ 532.033454] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 532.038733] RIP: 0033:0x46741a [ 532.041923] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 532.060816] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 532.068610] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 532.075872] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 532.083134] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 532.090399] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 532.097847] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 532.105519] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 532.120384] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:45:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x72030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:56 executing program 0 (fault-call:0 fault-nth:40): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:56 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2400) 14:45:56 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6600) [ 532.223542] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 532.235220] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 532.243962] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 532.254791] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:45:56 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2400) 14:45:56 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4500) [ 532.371620] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 532.394097] FAULT_INJECTION: forcing a failure. [ 532.394097] name failslab, interval 1, probability 0, space 0, times 0 [ 532.432089] CPU: 1 PID: 16290 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 532.440094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.449450] Call Trace: [ 532.452053] dump_stack+0x1fc/0x2ef [ 532.455699] should_fail.cold+0xa/0xf [ 532.459522] ? setup_fault_attr+0x200/0x200 [ 532.463852] ? lock_acquire+0x170/0x3c0 [ 532.467841] __should_failslab+0x115/0x180 [ 532.472089] should_failslab+0x5/0x10 [ 532.475899] kmem_cache_alloc+0x277/0x370 [ 532.480061] alloc_vfsmnt+0x23/0x780 [ 532.483785] ? _raw_read_unlock+0x29/0x40 [ 532.487945] vfs_kern_mount.part.0+0x27/0x470 [ 532.492455] do_mount+0x113c/0x2f10 [ 532.496098] ? cmp_ex_sort+0xc0/0xc0 [ 532.499822] ? __do_page_fault+0x180/0xd60 [ 532.503344] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 532.504069] ? copy_mount_string+0x40/0x40 [ 532.504096] ? memset+0x20/0x40 [ 532.520165] ? copy_mount_options+0x26f/0x380 [ 532.524674] ksys_mount+0xcf/0x130 [ 532.528227] __x64_sys_mount+0xba/0x150 [ 532.532338] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 532.537023] do_syscall_64+0xf9/0x620 [ 532.540835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 532.546030] RIP: 0033:0x46741a [ 532.549228] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 532.568129] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 532.575832] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 532.583095] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 532.590353] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 532.597609] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 532.604866] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 532.646728] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:45:56 executing program 0 (fault-call:0 fault-nth:41): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x73000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 532.688118] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:45:56 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6601) 14:45:56 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2401) 14:45:56 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2401) 14:45:56 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4501) [ 532.898395] FAULT_INJECTION: forcing a failure. [ 532.898395] name failslab, interval 1, probability 0, space 0, times 0 [ 532.962481] CPU: 0 PID: 16339 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 532.970407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.979770] Call Trace: [ 532.982377] dump_stack+0x1fc/0x2ef [ 532.986028] should_fail.cold+0xa/0xf [ 532.989844] ? setup_fault_attr+0x200/0x200 [ 532.994174] ? lock_acquire+0x170/0x3c0 [ 532.998160] __should_failslab+0x115/0x180 [ 533.002407] should_failslab+0x5/0x10 [ 533.006222] __kmalloc_track_caller+0x2a6/0x3c0 [ 533.010906] ? kstrdup_const+0x53/0x80 [ 533.014811] kstrdup+0x36/0x70 [ 533.018120] kstrdup_const+0x53/0x80 [ 533.021839] alloc_vfsmnt+0xb5/0x780 [ 533.025561] ? _raw_read_unlock+0x29/0x40 [ 533.029721] vfs_kern_mount.part.0+0x27/0x470 [ 533.034235] do_mount+0x113c/0x2f10 [ 533.037915] ? cmp_ex_sort+0xc0/0xc0 [ 533.041645] ? __do_page_fault+0x180/0xd60 [ 533.045893] ? copy_mount_string+0x40/0x40 [ 533.050148] ? memset+0x20/0x40 [ 533.053441] ? copy_mount_options+0x26f/0x380 [ 533.057949] ksys_mount+0xcf/0x130 [ 533.061501] __x64_sys_mount+0xba/0x150 [ 533.065487] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 533.070080] do_syscall_64+0xf9/0x620 [ 533.073924] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.079118] RIP: 0033:0x46741a [ 533.082319] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 533.101310] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 14:45:57 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4600) 14:45:57 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2500) 14:45:57 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2500) [ 533.109032] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 533.116313] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 533.123593] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 533.131307] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 533.138589] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:57 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6700) [ 533.222223] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:45:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x73010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:57 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6701) 14:45:57 executing program 0 (fault-call:0 fault-nth:42): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:57 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2501) 14:45:57 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4601) 14:45:57 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2501) 14:45:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x73020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 533.564203] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 533.630009] FAULT_INJECTION: forcing a failure. [ 533.630009] name failslab, interval 1, probability 0, space 0, times 0 [ 533.673931] CPU: 0 PID: 16433 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 533.681869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 533.691235] Call Trace: [ 533.693846] dump_stack+0x1fc/0x2ef [ 533.697493] should_fail.cold+0xa/0xf [ 533.701307] ? setup_fault_attr+0x200/0x200 [ 533.705635] ? lock_acquire+0x170/0x3c0 [ 533.709621] __should_failslab+0x115/0x180 [ 533.713869] should_failslab+0x5/0x10 [ 533.717679] kmem_cache_alloc+0x277/0x370 [ 533.721836] alloc_vfsmnt+0x23/0x780 [ 533.725558] ? _raw_read_unlock+0x29/0x40 [ 533.729713] vfs_kern_mount.part.0+0x27/0x470 [ 533.734237] do_mount+0x113c/0x2f10 [ 533.737875] ? cmp_ex_sort+0xc0/0xc0 [ 533.741601] ? __do_page_fault+0x180/0xd60 [ 533.745858] ? copy_mount_string+0x40/0x40 [ 533.750115] ? memset+0x20/0x40 [ 533.753406] ? copy_mount_options+0x26f/0x380 [ 533.757919] ksys_mount+0xcf/0x130 [ 533.761467] __x64_sys_mount+0xba/0x150 [ 533.765451] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 533.770039] do_syscall_64+0xf9/0x620 14:45:57 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2600) 14:45:57 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6800) 14:45:57 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2600) 14:45:57 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4700) [ 533.773848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.779039] RIP: 0033:0x46741a [ 533.782243] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 533.801138] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 533.808832] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 533.816193] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 533.823453] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 533.830709] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 533.837966] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:58 executing program 0 (fault-call:0 fault-nth:43): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 533.962325] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:45:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x73030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 534.133963] FAULT_INJECTION: forcing a failure. [ 534.133963] name failslab, interval 1, probability 0, space 0, times 0 [ 534.150826] CPU: 1 PID: 16501 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 534.158739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.168113] Call Trace: [ 534.170721] dump_stack+0x1fc/0x2ef [ 534.174365] should_fail.cold+0xa/0xf [ 534.178194] ? setup_fault_attr+0x200/0x200 [ 534.182532] ? lock_acquire+0x170/0x3c0 [ 534.186525] __should_failslab+0x115/0x180 [ 534.190771] should_failslab+0x5/0x10 [ 534.194579] kmem_cache_alloc+0x277/0x370 [ 534.198747] getname_kernel+0x4e/0x370 [ 534.202663] kern_path+0x1b/0x40 [ 534.206040] lookup_bdev+0xfc/0x220 [ 534.209673] ? bd_acquire+0x440/0x440 [ 534.213490] blkdev_get_by_path+0x1b/0xd0 [ 534.217647] mount_bdev+0x5b/0x3b0 [ 534.221201] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 534.226308] mount_fs+0xa3/0x310 [ 534.229685] vfs_kern_mount.part.0+0x68/0x470 [ 534.234193] do_mount+0x113c/0x2f10 [ 534.237829] ? cmp_ex_sort+0xc0/0xc0 [ 534.241553] ? __do_page_fault+0x180/0xd60 [ 534.245800] ? copy_mount_string+0x40/0x40 [ 534.250055] ? memset+0x20/0x40 [ 534.253347] ? copy_mount_options+0x26f/0x380 [ 534.257858] ksys_mount+0xcf/0x130 [ 534.261412] __x64_sys_mount+0xba/0x150 [ 534.265398] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 534.269987] do_syscall_64+0xf9/0x620 [ 534.273801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.279002] RIP: 0033:0x46741a 14:45:58 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2601) 14:45:58 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4701) 14:45:58 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6801) [ 534.282197] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 534.301089] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 534.308789] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 534.316047] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 534.323304] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 14:45:58 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2601) 14:45:58 executing program 0 (fault-call:0 fault-nth:44): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 534.330574] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 534.337829] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 534.491455] FAULT_INJECTION: forcing a failure. [ 534.491455] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 534.503305] CPU: 0 PID: 16525 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 534.511197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.520552] Call Trace: [ 534.523163] dump_stack+0x1fc/0x2ef [ 534.526805] should_fail.cold+0xa/0xf [ 534.530616] ? setup_fault_attr+0x200/0x200 [ 534.534953] ? get_page_from_freelist+0x1d60/0x4170 [ 534.539975] ? bad_range+0x260/0x3c0 [ 534.543697] __alloc_pages_nodemask+0x239/0x2890 [ 534.548459] ? kernel_poison_pages+0x2c/0x2a0 [ 534.552960] ? get_page_from_freelist+0x1d01/0x4170 [ 534.557985] ? preempt_count_add+0xaf/0x190 [ 534.562335] ? __lock_acquire+0x6de/0x3ff0 [ 534.566586] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 534.571434] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.576814] ? should_fail+0x142/0x7b0 [ 534.580711] ? lock_acquire+0x170/0x3c0 [ 534.584703] ? check_preemption_disabled+0x41/0x280 [ 534.589748] cache_grow_begin+0xa4/0x8a0 [ 534.593818] ? setup_fault_attr+0x200/0x200 [ 534.598146] ? lock_acquire+0x170/0x3c0 [ 534.602140] cache_alloc_refill+0x273/0x340 [ 534.606476] kmem_cache_alloc+0x346/0x370 [ 534.610640] getname_kernel+0x4e/0x370 [ 534.614542] kern_path+0x1b/0x40 [ 534.617921] lookup_bdev+0xfc/0x220 [ 534.621556] ? bd_acquire+0x440/0x440 [ 534.625375] blkdev_get_by_path+0x1b/0xd0 [ 534.629533] mount_bdev+0x5b/0x3b0 [ 534.633087] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 534.638203] mount_fs+0xa3/0x310 [ 534.641595] vfs_kern_mount.part.0+0x68/0x470 [ 534.646105] do_mount+0x113c/0x2f10 [ 534.649751] ? cmp_ex_sort+0xc0/0xc0 [ 534.653478] ? __do_page_fault+0x180/0xd60 [ 534.657726] ? copy_mount_string+0x40/0x40 [ 534.661989] ? memset+0x20/0x40 [ 534.665279] ? copy_mount_options+0x26f/0x380 [ 534.669786] ksys_mount+0xcf/0x130 [ 534.673336] __x64_sys_mount+0xba/0x150 [ 534.677317] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 534.681909] do_syscall_64+0xf9/0x620 [ 534.685723] entry_SYSCALL_64_after_hwframe+0x49/0xbe 14:45:58 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2700) 14:45:58 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6900) [ 534.690926] RIP: 0033:0x46741a [ 534.694123] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 534.713028] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 534.720755] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 534.728030] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:45:58 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2700) 14:45:58 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4800) [ 534.735304] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 534.742757] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 534.750027] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 534.786469] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 534.786675] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:45:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x74000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:59 executing program 0 (fault-call:0 fault-nth:45): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:59 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6901) 14:45:59 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2701) 14:45:59 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2701) 14:45:59 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4801) [ 535.141928] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 535.166887] FAULT_INJECTION: forcing a failure. [ 535.166887] name failslab, interval 1, probability 0, space 0, times 0 [ 535.208629] CPU: 0 PID: 16605 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 535.216555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.225918] Call Trace: [ 535.228518] dump_stack+0x1fc/0x2ef [ 535.232155] should_fail.cold+0xa/0xf [ 535.235967] ? setup_fault_attr+0x200/0x200 [ 535.240305] ? lock_acquire+0x170/0x3c0 [ 535.244422] __should_failslab+0x115/0x180 [ 535.248682] should_failslab+0x5/0x10 [ 535.252502] __kmalloc+0x2ab/0x3c0 [ 535.256058] ? prealloc_shrinker+0x15d/0x340 [ 535.260484] prealloc_shrinker+0x15d/0x340 [ 535.264737] sget_userns+0x7b4/0xcd0 [ 535.268472] ? set_bdev_super+0x110/0x110 [ 535.272641] ? ns_test_super+0x50/0x50 [ 535.276547] ? set_bdev_super+0x110/0x110 [ 535.280710] ? ns_test_super+0x50/0x50 [ 535.284606] sget+0x102/0x140 [ 535.287834] mount_bdev+0xf8/0x3b0 [ 535.291392] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 535.296524] mount_fs+0xa3/0x310 [ 535.299909] vfs_kern_mount.part.0+0x68/0x470 [ 535.304417] do_mount+0x113c/0x2f10 [ 535.308052] ? cmp_ex_sort+0xc0/0xc0 [ 535.311784] ? __do_page_fault+0x180/0xd60 [ 535.316032] ? copy_mount_string+0x40/0x40 [ 535.320289] ? memset+0x20/0x40 [ 535.323577] ? copy_mount_options+0x26f/0x380 [ 535.328086] ksys_mount+0xcf/0x130 [ 535.331636] __x64_sys_mount+0xba/0x150 [ 535.335619] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 535.340209] do_syscall_64+0xf9/0x620 [ 535.344034] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 535.349245] RIP: 0033:0x46741a 14:45:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x74010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:45:59 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6a00) 14:45:59 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4900) 14:45:59 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2800) [ 535.352443] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 535.371350] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 535.379759] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 535.387045] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 535.394407] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 535.401686] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:45:59 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2800) [ 535.408952] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:45:59 executing program 0 (fault-call:0 fault-nth:46): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:45:59 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6a01) 14:45:59 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2801) 14:45:59 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4901) [ 535.655838] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 535.672019] FAULT_INJECTION: forcing a failure. [ 535.672019] name failslab, interval 1, probability 0, space 0, times 0 [ 535.759189] CPU: 1 PID: 16670 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 535.767146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.776502] Call Trace: [ 535.779114] dump_stack+0x1fc/0x2ef [ 535.782759] should_fail.cold+0xa/0xf [ 535.786599] ? setup_fault_attr+0x200/0x200 [ 535.790937] ? lock_acquire+0x170/0x3c0 [ 535.794930] __should_failslab+0x115/0x180 [ 535.799171] should_failslab+0x5/0x10 [ 535.802977] kmem_cache_alloc_trace+0x284/0x380 [ 535.807661] ? set_bdev_super+0x110/0x110 [ 535.811814] ? ns_test_super+0x50/0x50 [ 535.815703] sget_userns+0x122/0xcd0 [ 535.819435] ? set_bdev_super+0x110/0x110 [ 535.823588] ? ns_test_super+0x50/0x50 [ 535.827485] ? set_bdev_super+0x110/0x110 [ 535.831639] ? ns_test_super+0x50/0x50 [ 535.835539] sget+0x102/0x140 [ 535.838655] mount_bdev+0xf8/0x3b0 [ 535.842203] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 535.847310] mount_fs+0xa3/0x310 [ 535.850686] vfs_kern_mount.part.0+0x68/0x470 [ 535.855192] do_mount+0x113c/0x2f10 [ 535.858828] ? cmp_ex_sort+0xc0/0xc0 [ 535.862558] ? __do_page_fault+0x180/0xd60 [ 535.866804] ? copy_mount_string+0x40/0x40 [ 535.871058] ? memset+0x20/0x40 [ 535.874356] ? copy_mount_options+0x26f/0x380 [ 535.878864] ksys_mount+0xcf/0x130 [ 535.882422] __x64_sys_mount+0xba/0x150 [ 535.886404] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 535.890994] do_syscall_64+0xf9/0x620 [ 535.894806] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 535.900257] RIP: 0033:0x46741a 14:46:00 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6b00) 14:46:00 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4a00) 14:46:00 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2801) 14:46:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x74020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 535.903462] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 535.922371] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 535.930090] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 535.937454] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 535.944733] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 535.952010] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:00 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2900) [ 535.959282] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:00 executing program 0 (fault-call:0 fault-nth:47): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 536.154558] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 536.192391] FAULT_INJECTION: forcing a failure. [ 536.192391] name failslab, interval 1, probability 0, space 0, times 0 [ 536.214390] CPU: 1 PID: 16738 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 536.222582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.231976] Call Trace: [ 536.234600] dump_stack+0x1fc/0x2ef [ 536.238248] should_fail.cold+0xa/0xf [ 536.242148] ? setup_fault_attr+0x200/0x200 [ 536.246481] ? lock_acquire+0x170/0x3c0 [ 536.250474] __should_failslab+0x115/0x180 [ 536.254723] should_failslab+0x5/0x10 [ 536.258532] __kmalloc+0x2ab/0x3c0 [ 536.262077] ? __list_lru_init+0xd3/0x7f0 [ 536.266240] __list_lru_init+0xd3/0x7f0 [ 536.270237] ? up_write+0x13/0x150 [ 536.273793] sget_userns+0x810/0xcd0 [ 536.277516] ? set_bdev_super+0x110/0x110 [ 536.281683] ? ns_test_super+0x50/0x50 [ 536.285585] ? set_bdev_super+0x110/0x110 [ 536.289827] ? ns_test_super+0x50/0x50 [ 536.293720] sget+0x102/0x140 [ 536.296837] mount_bdev+0xf8/0x3b0 [ 536.300383] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 536.305519] mount_fs+0xa3/0x310 [ 536.308901] vfs_kern_mount.part.0+0x68/0x470 14:46:00 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6b01) 14:46:00 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2901) [ 536.313411] do_mount+0x113c/0x2f10 [ 536.317049] ? cmp_ex_sort+0xc0/0xc0 [ 536.320775] ? __do_page_fault+0x180/0xd60 [ 536.325024] ? copy_mount_string+0x40/0x40 [ 536.329275] ? memset+0x20/0x40 [ 536.332567] ? copy_mount_options+0x26f/0x380 [ 536.337080] ksys_mount+0xcf/0x130 [ 536.340978] __x64_sys_mount+0xba/0x150 [ 536.344966] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 536.349559] do_syscall_64+0xf9/0x620 [ 536.353375] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 536.358568] RIP: 0033:0x46741a 14:46:00 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4a01) [ 536.361771] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 536.380937] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 536.388664] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 536.395955] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 536.403233] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 14:46:00 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2a00) 14:46:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x74030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 536.410500] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 536.417784] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:00 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2900) 14:46:00 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6c00) 14:46:00 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4b00) 14:46:00 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6c01) 14:46:00 executing program 0 (fault-call:0 fault-nth:48): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:00 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2a01) 14:46:00 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2901) [ 536.730998] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x75000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 536.870189] nla_parse: 95 callbacks suppressed [ 536.870200] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 536.912047] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 536.925554] FAULT_INJECTION: forcing a failure. [ 536.925554] name failslab, interval 1, probability 0, space 0, times 0 [ 536.939484] CPU: 0 PID: 16821 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 536.947392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.956757] Call Trace: [ 536.959366] dump_stack+0x1fc/0x2ef [ 536.963009] should_fail.cold+0xa/0xf [ 536.966825] ? setup_fault_attr+0x200/0x200 [ 536.971156] ? lock_acquire+0x170/0x3c0 [ 536.975148] __should_failslab+0x115/0x180 [ 536.979399] should_failslab+0x5/0x10 [ 536.983212] kmem_cache_alloc_trace+0x284/0x380 [ 536.983739] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 536.987890] ? set_bdev_super+0x110/0x110 [ 536.987924] ? ns_test_super+0x50/0x50 [ 536.987942] sget_userns+0x122/0xcd0 [ 537.008326] ? set_bdev_super+0x110/0x110 [ 537.012488] ? ns_test_super+0x50/0x50 [ 537.016389] ? set_bdev_super+0x110/0x110 [ 537.020544] ? ns_test_super+0x50/0x50 [ 537.024441] sget+0x102/0x140 [ 537.027558] mount_bdev+0xf8/0x3b0 [ 537.031109] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 537.036221] mount_fs+0xa3/0x310 [ 537.039597] vfs_kern_mount.part.0+0x68/0x470 [ 537.042521] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 537.044102] do_mount+0x113c/0x2f10 [ 537.044121] ? cmp_ex_sort+0xc0/0xc0 [ 537.044136] ? __do_page_fault+0x180/0xd60 [ 537.044154] ? copy_mount_string+0x40/0x40 [ 537.069187] ? memset+0x20/0x40 [ 537.072476] ? copy_mount_options+0x26f/0x380 [ 537.076978] ksys_mount+0xcf/0x130 [ 537.080526] __x64_sys_mount+0xba/0x150 [ 537.084497] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 537.089181] do_syscall_64+0xf9/0x620 [ 537.092996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 537.098193] RIP: 0033:0x46741a [ 537.101408] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 537.120399] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 537.128106] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 537.135370] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 537.142630] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 537.149900] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:01 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2b00) [ 537.157176] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 537.182268] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 537.197398] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x75010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 537.208752] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 537.218413] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 537.238401] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:46:01 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2a00) 14:46:01 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4b01) 14:46:01 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6d00) 14:46:01 executing program 0 (fault-call:0 fault-nth:49): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 537.297288] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 537.387280] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:46:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x75020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:01 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2b01) [ 537.442599] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 537.483634] FAULT_INJECTION: forcing a failure. [ 537.483634] name failslab, interval 1, probability 0, space 0, times 0 [ 537.500159] CPU: 1 PID: 16884 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 537.508078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 537.517438] Call Trace: [ 537.520044] dump_stack+0x1fc/0x2ef [ 537.523700] should_fail.cold+0xa/0xf [ 537.527515] ? setup_fault_attr+0x200/0x200 [ 537.531849] ? lock_acquire+0x170/0x3c0 [ 537.535841] __should_failslab+0x115/0x180 [ 537.540090] should_failslab+0x5/0x10 [ 537.543901] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 537.549022] __kmalloc_node+0x38/0x70 [ 537.552841] kvmalloc_node+0x61/0xf0 [ 537.556568] __list_lru_init+0x4c6/0x7f0 [ 537.560641] ? up_write+0x13/0x150 [ 537.564193] sget_userns+0x7e2/0xcd0 [ 537.567912] ? set_bdev_super+0x110/0x110 [ 537.572086] ? ns_test_super+0x50/0x50 [ 537.575993] ? set_bdev_super+0x110/0x110 [ 537.580153] ? ns_test_super+0x50/0x50 [ 537.584055] sget+0x102/0x140 [ 537.587173] mount_bdev+0xf8/0x3b0 [ 537.590723] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 537.595836] mount_fs+0xa3/0x310 [ 537.599215] vfs_kern_mount.part.0+0x68/0x470 [ 537.603738] do_mount+0x113c/0x2f10 [ 537.607375] ? cmp_ex_sort+0xc0/0xc0 [ 537.611101] ? __do_page_fault+0x180/0xd60 [ 537.615348] ? copy_mount_string+0x40/0x40 [ 537.619599] ? memset+0x20/0x40 [ 537.622891] ? copy_mount_options+0x26f/0x380 [ 537.627398] ksys_mount+0xcf/0x130 [ 537.630951] __x64_sys_mount+0xba/0x150 [ 537.634936] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 537.639528] do_syscall_64+0xf9/0x620 [ 537.643345] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 537.648536] RIP: 0033:0x46741a [ 537.651735] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 537.670642] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 14:46:01 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4c00) 14:46:01 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2a01) [ 537.678362] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 537.685642] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 537.692914] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 537.700183] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 537.707460] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:01 executing program 0 (fault-call:0 fault-nth:50): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:02 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6d01) 14:46:02 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2c00) 14:46:02 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2b00) 14:46:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x75030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 537.887611] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:02 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4c01) [ 538.223969] FAULT_INJECTION: forcing a failure. [ 538.223969] name failslab, interval 1, probability 0, space 0, times 0 [ 538.228077] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 538.256275] CPU: 0 PID: 16952 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 538.264190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 538.273644] Call Trace: [ 538.276243] dump_stack+0x1fc/0x2ef [ 538.279880] should_fail.cold+0xa/0xf [ 538.283689] ? setup_fault_attr+0x200/0x200 [ 538.288017] ? lock_acquire+0x170/0x3c0 [ 538.292005] __should_failslab+0x115/0x180 [ 538.296250] should_failslab+0x5/0x10 [ 538.300058] __kmalloc+0x2ab/0x3c0 [ 538.303605] ? __list_lru_init+0xd3/0x7f0 [ 538.307767] __list_lru_init+0xd3/0x7f0 [ 538.311751] ? up_write+0x13/0x150 [ 538.315303] sget_userns+0x810/0xcd0 [ 538.319020] ? set_bdev_super+0x110/0x110 [ 538.323178] ? ns_test_super+0x50/0x50 [ 538.327080] ? set_bdev_super+0x110/0x110 [ 538.331235] ? ns_test_super+0x50/0x50 [ 538.335127] sget+0x102/0x140 [ 538.338241] mount_bdev+0xf8/0x3b0 [ 538.341790] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 538.346900] mount_fs+0xa3/0x310 [ 538.350397] vfs_kern_mount.part.0+0x68/0x470 [ 538.355339] do_mount+0x113c/0x2f10 [ 538.358973] ? cmp_ex_sort+0xc0/0xc0 [ 538.362703] ? __do_page_fault+0x180/0xd60 [ 538.366949] ? copy_mount_string+0x40/0x40 [ 538.371205] ? memset+0x20/0x40 [ 538.374494] ? copy_mount_options+0x26f/0x380 [ 538.379001] ksys_mount+0xcf/0x130 [ 538.382566] __x64_sys_mount+0xba/0x150 [ 538.386549] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 538.391142] do_syscall_64+0xf9/0x620 [ 538.394966] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 538.400151] RIP: 0033:0x46741a [ 538.403351] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:46:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x76000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:02 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2b01) 14:46:02 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2c01) [ 538.422368] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 538.430096] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 538.437369] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 538.444642] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 538.451914] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 538.459189] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x76010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:02 executing program 0 (fault-call:0 fault-nth:51): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:02 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4d00) 14:46:02 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6e00) 14:46:02 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2d00) 14:46:02 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2c00) [ 538.705972] FAULT_INJECTION: forcing a failure. [ 538.705972] name failslab, interval 1, probability 0, space 0, times 0 [ 538.721148] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 538.753922] CPU: 0 PID: 17020 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 538.761850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 538.771211] Call Trace: [ 538.773891] dump_stack+0x1fc/0x2ef [ 538.777534] should_fail.cold+0xa/0xf [ 538.781356] ? setup_fault_attr+0x200/0x200 [ 538.785690] ? lock_acquire+0x170/0x3c0 [ 538.789685] __should_failslab+0x115/0x180 [ 538.793933] should_failslab+0x5/0x10 [ 538.797739] __kmalloc+0x2ab/0x3c0 [ 538.801287] ? __list_lru_init+0xd3/0x7f0 [ 538.805446] __list_lru_init+0xd3/0x7f0 [ 538.809431] ? up_write+0x13/0x150 [ 538.812983] sget_userns+0x810/0xcd0 [ 538.816705] ? set_bdev_super+0x110/0x110 [ 538.821040] ? ns_test_super+0x50/0x50 [ 538.824943] ? set_bdev_super+0x110/0x110 [ 538.829098] ? ns_test_super+0x50/0x50 [ 538.832994] sget+0x102/0x140 [ 538.836108] mount_bdev+0xf8/0x3b0 [ 538.839653] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 538.844758] mount_fs+0xa3/0x310 [ 538.848137] vfs_kern_mount.part.0+0x68/0x470 [ 538.852643] do_mount+0x113c/0x2f10 [ 538.856275] ? cmp_ex_sort+0xc0/0xc0 [ 538.859997] ? __do_page_fault+0x180/0xd60 [ 538.864241] ? copy_mount_string+0x40/0x40 [ 538.868489] ? memset+0x20/0x40 [ 538.872038] ? copy_mount_options+0x26f/0x380 [ 538.876540] ksys_mount+0xcf/0x130 [ 538.880093] __x64_sys_mount+0xba/0x150 [ 538.884084] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 538.888670] do_syscall_64+0xf9/0x620 [ 538.892480] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 538.897674] RIP: 0033:0x46741a 14:46:03 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4d01) 14:46:03 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4e00) 14:46:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x76020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 538.900870] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 538.919772] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 538.927489] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 538.934764] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 538.942041] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 538.949325] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:03 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2d01) [ 538.956604] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:03 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2c01) 14:46:03 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6e01) [ 539.107603] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x76030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:03 executing program 0 (fault-call:0 fault-nth:52): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:03 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2d00) 14:46:03 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6f00) 14:46:03 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2e00) 14:46:03 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4e01) [ 539.333524] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 539.348341] FAULT_INJECTION: forcing a failure. [ 539.348341] name failslab, interval 1, probability 0, space 0, times 0 [ 539.377948] CPU: 0 PID: 17109 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 539.385865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.395223] Call Trace: [ 539.397835] dump_stack+0x1fc/0x2ef [ 539.401492] should_fail.cold+0xa/0xf [ 539.405309] ? setup_fault_attr+0x200/0x200 [ 539.409643] ? lock_acquire+0x170/0x3c0 [ 539.413633] __should_failslab+0x115/0x180 [ 539.417876] should_failslab+0x5/0x10 [ 539.421694] __kmalloc+0x2ab/0x3c0 [ 539.425244] ? __list_lru_init+0xd3/0x7f0 [ 539.429406] __list_lru_init+0xd3/0x7f0 [ 539.433393] ? up_write+0x18/0x150 [ 539.436952] sget_userns+0x7e2/0xcd0 [ 539.440673] ? set_bdev_super+0x110/0x110 [ 539.444832] ? ns_test_super+0x50/0x50 [ 539.448730] ? set_bdev_super+0x110/0x110 [ 539.453846] ? ns_test_super+0x50/0x50 [ 539.457830] sget+0x102/0x140 [ 539.460949] mount_bdev+0xf8/0x3b0 [ 539.464495] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 539.469603] mount_fs+0xa3/0x310 [ 539.472985] vfs_kern_mount.part.0+0x68/0x470 [ 539.477502] do_mount+0x113c/0x2f10 [ 539.481150] ? cmp_ex_sort+0xc0/0xc0 [ 539.484872] ? __do_page_fault+0x180/0xd60 [ 539.489113] ? copy_mount_string+0x40/0x40 [ 539.493364] ? memset+0x20/0x40 [ 539.496655] ? copy_mount_options+0x26f/0x380 [ 539.501166] ksys_mount+0xcf/0x130 [ 539.504718] __x64_sys_mount+0xba/0x150 [ 539.508701] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 539.513288] do_syscall_64+0xf9/0x620 [ 539.517099] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 539.522288] RIP: 0033:0x46741a 14:46:03 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4f00) 14:46:03 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4f01) 14:46:03 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6f01) [ 539.525489] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 539.544389] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 539.552105] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 539.559382] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 539.566660] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 539.573940] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:03 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2e01) [ 539.581224] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x77000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:03 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7000) 14:46:03 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2f00) 14:46:04 executing program 0 (fault-call:0 fault-nth:53): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:04 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2d01) 14:46:04 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5000) [ 539.878311] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x77010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 539.963582] FAULT_INJECTION: forcing a failure. [ 539.963582] name failslab, interval 1, probability 0, space 0, times 0 [ 539.990910] CPU: 1 PID: 17191 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 539.998834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.008203] Call Trace: [ 540.010801] dump_stack+0x1fc/0x2ef [ 540.014432] should_fail.cold+0xa/0xf [ 540.018230] ? setup_fault_attr+0x200/0x200 [ 540.022547] ? lock_acquire+0x170/0x3c0 [ 540.026523] __should_failslab+0x115/0x180 [ 540.030752] should_failslab+0x5/0x10 [ 540.034544] __kmalloc+0x2ab/0x3c0 [ 540.038093] ? __list_lru_init+0xd3/0x7f0 [ 540.042238] __list_lru_init+0xd3/0x7f0 [ 540.046206] ? up_write+0x13/0x150 [ 540.049743] sget_userns+0x810/0xcd0 [ 540.053535] ? set_bdev_super+0x110/0x110 [ 540.057681] ? ns_test_super+0x50/0x50 [ 540.061650] ? set_bdev_super+0x110/0x110 [ 540.065964] ? ns_test_super+0x50/0x50 [ 540.069844] sget+0x102/0x140 [ 540.072944] mount_bdev+0xf8/0x3b0 [ 540.076479] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 540.081573] mount_fs+0xa3/0x310 [ 540.084937] vfs_kern_mount.part.0+0x68/0x470 [ 540.089429] do_mount+0x113c/0x2f10 [ 540.093065] ? cmp_ex_sort+0xc0/0xc0 [ 540.096773] ? __do_page_fault+0x180/0xd60 [ 540.101002] ? copy_mount_string+0x40/0x40 [ 540.105238] ? memset+0x20/0x40 [ 540.108512] ? copy_mount_options+0x26f/0x380 [ 540.113013] ksys_mount+0xcf/0x130 [ 540.116561] __x64_sys_mount+0xba/0x150 [ 540.120530] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 540.125106] do_syscall_64+0xf9/0x620 [ 540.128900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.134089] RIP: 0033:0x46741a [ 540.137276] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 540.156165] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 540.163869] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 540.171126] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 540.178387] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 540.185648] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 540.193033] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:04 executing program 0 (fault-call:0 fault-nth:54): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:04 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5001) 14:46:04 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7001) 14:46:04 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2f01) 14:46:04 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2e00) 14:46:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x77020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 540.368972] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 540.445767] FAULT_INJECTION: forcing a failure. [ 540.445767] name failslab, interval 1, probability 0, space 0, times 0 [ 540.486689] CPU: 1 PID: 17232 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 540.494620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.503973] Call Trace: [ 540.506579] dump_stack+0x1fc/0x2ef [ 540.514484] should_fail.cold+0xa/0xf [ 540.518300] ? setup_fault_attr+0x200/0x200 [ 540.522634] ? lock_acquire+0x170/0x3c0 [ 540.526635] __should_failslab+0x115/0x180 [ 540.530878] should_failslab+0x5/0x10 [ 540.534684] kmem_cache_alloc_trace+0x284/0x380 [ 540.539365] ext4_fill_super+0x205/0xc820 [ 540.543519] ? enable_ptr_key_workfn+0x30/0x30 [ 540.548121] ? vsnprintf+0x2cc/0x14f0 [ 540.551934] ? pointer+0x850/0x850 [ 540.555479] ? lock_downgrade+0x720/0x720 [ 540.559633] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 540.564745] ? snprintf+0xbb/0xf0 [ 540.568204] ? vsprintf+0x30/0x30 [ 540.571666] ? wait_for_completion_io+0x10/0x10 [ 540.576340] ? set_blocksize+0x163/0x3f0 [ 540.580420] mount_bdev+0x2fc/0x3b0 [ 540.584056] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 540.589170] mount_fs+0xa3/0x310 [ 540.592556] vfs_kern_mount.part.0+0x68/0x470 [ 540.597063] do_mount+0x113c/0x2f10 [ 540.600703] ? cmp_ex_sort+0xc0/0xc0 [ 540.604428] ? __do_page_fault+0x180/0xd60 [ 540.608674] ? copy_mount_string+0x40/0x40 [ 540.612926] ? memset+0x20/0x40 [ 540.616217] ? copy_mount_options+0x26f/0x380 [ 540.620723] ksys_mount+0xcf/0x130 [ 540.624274] __x64_sys_mount+0xba/0x150 [ 540.628257] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 540.632851] do_syscall_64+0xf9/0x620 14:46:04 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7100) 14:46:04 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5100) 14:46:04 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3000) 14:46:04 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2e01) [ 540.636706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.641899] RIP: 0033:0x46741a [ 540.645097] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 540.664008] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 540.671736] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 540.679011] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 540.686285] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 540.693574] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 540.700828] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:04 executing program 0 (fault-call:0 fault-nth:55): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 540.810653] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 540.827795] FAULT_INJECTION: forcing a failure. [ 540.827795] name failslab, interval 1, probability 0, space 0, times 0 [ 540.842286] CPU: 0 PID: 17282 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 540.850224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.859579] Call Trace: [ 540.862185] dump_stack+0x1fc/0x2ef [ 540.865826] should_fail.cold+0xa/0xf [ 540.869639] ? setup_fault_attr+0x200/0x200 [ 540.873989] __should_failslab+0x115/0x180 [ 540.878239] should_failslab+0x5/0x10 [ 540.882050] kmem_cache_alloc+0x3f/0x370 [ 540.886117] ? mempool_alloc+0x350/0x350 [ 540.890184] mempool_alloc+0x146/0x350 [ 540.894085] ? mempool_resize+0x790/0x790 [ 540.898249] ? lock_downgrade+0x720/0x720 [ 540.902409] ? mark_held_locks+0xa6/0xf0 [ 540.906479] bio_alloc_bioset+0x389/0x5e0 [ 540.910629] ? __find_get_block+0x314/0xde0 [ 540.914966] ? bvec_alloc+0x2f0/0x2f0 [ 540.918783] ? __getblk_slow+0x6a3/0x9e0 [ 540.922859] submit_bh_wbc+0x141/0x760 [ 540.926765] __bread_gfp+0x14e/0x300 [ 540.930585] ext4_fill_super+0x57b/0xc820 [ 540.934753] ? vsnprintf+0x2cc/0x14f0 [ 540.938567] ? pointer+0x850/0x850 [ 540.942121] ? lock_downgrade+0x720/0x720 [ 540.946277] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 540.951393] ? snprintf+0xbb/0xf0 [ 540.954848] ? vsprintf+0x30/0x30 [ 540.958315] ? wait_for_completion_io+0x10/0x10 [ 540.962995] ? set_blocksize+0x163/0x3f0 [ 540.967077] mount_bdev+0x2fc/0x3b0 [ 540.970711] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 540.975821] mount_fs+0xa3/0x310 [ 540.979289] vfs_kern_mount.part.0+0x68/0x470 [ 540.983799] do_mount+0x113c/0x2f10 [ 540.987433] ? cmp_ex_sort+0xc0/0xc0 [ 540.991242] ? __do_page_fault+0x180/0xd60 [ 540.995499] ? copy_mount_string+0x40/0x40 [ 540.999750] ? memset+0x20/0x40 [ 541.003041] ? copy_mount_options+0x26f/0x380 [ 541.007551] ksys_mount+0xcf/0x130 [ 541.011112] __x64_sys_mount+0xba/0x150 [ 541.015098] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 541.019689] do_syscall_64+0xf9/0x620 [ 541.023479] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.028653] RIP: 0033:0x46741a [ 541.031965] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 541.050872] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 14:46:05 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3001) 14:46:05 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7101) 14:46:05 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2f00) 14:46:05 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5101) 14:46:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x77030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 541.058564] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 541.065816] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 541.073068] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 541.080321] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 541.087580] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 541.233235] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:46:05 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3100) 14:46:05 executing program 0 (fault-call:0 fault-nth:56): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:05 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7200) [ 541.290032] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x78000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:05 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5200) 14:46:05 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x2f01) 14:46:05 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3101) [ 541.492802] FAULT_INJECTION: forcing a failure. [ 541.492802] name failslab, interval 1, probability 0, space 0, times 0 [ 541.518542] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 541.541145] CPU: 0 PID: 17367 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 541.549058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.558415] Call Trace: [ 541.561024] dump_stack+0x1fc/0x2ef [ 541.566063] should_fail.cold+0xa/0xf [ 541.569901] ? setup_fault_attr+0x200/0x200 [ 541.574234] ? lock_acquire+0x170/0x3c0 [ 541.578226] __should_failslab+0x115/0x180 [ 541.582475] should_failslab+0x5/0x10 [ 541.586288] kmem_cache_alloc_trace+0x284/0x380 [ 541.590970] ext4_fill_super+0x114/0xc820 [ 541.595128] ? enable_ptr_key_workfn+0x30/0x30 [ 541.599813] ? vsnprintf+0x2cc/0x14f0 [ 541.603628] ? pointer+0x850/0x850 [ 541.607179] ? lock_downgrade+0x720/0x720 [ 541.611337] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 541.616450] ? snprintf+0xbb/0xf0 [ 541.619908] ? vsprintf+0x30/0x30 [ 541.623375] ? wait_for_completion_io+0x10/0x10 [ 541.628055] ? set_blocksize+0x163/0x3f0 [ 541.632129] mount_bdev+0x2fc/0x3b0 [ 541.635770] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 541.640886] mount_fs+0xa3/0x310 [ 541.644263] vfs_kern_mount.part.0+0x68/0x470 [ 541.648775] do_mount+0x113c/0x2f10 [ 541.652413] ? cmp_ex_sort+0xc0/0xc0 [ 541.656144] ? __do_page_fault+0x180/0xd60 [ 541.660396] ? copy_mount_string+0x40/0x40 [ 541.664650] ? memset+0x20/0x40 [ 541.667938] ? copy_mount_options+0x26f/0x380 [ 541.672442] ksys_mount+0xcf/0x130 [ 541.675999] __x64_sys_mount+0xba/0x150 [ 541.679986] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 541.684579] do_syscall_64+0xf9/0x620 [ 541.688389] entry_SYSCALL_64_after_hwframe+0x49/0xbe 14:46:05 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7201) 14:46:05 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5201) 14:46:05 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3000) [ 541.693579] RIP: 0033:0x46741a [ 541.696780] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 541.715690] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 541.723423] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 541.730704] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:05 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3200) [ 541.737988] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 541.745261] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 541.752535] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x78010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:06 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3201) [ 541.875619] nla_parse: 104 callbacks suppressed [ 541.875629] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 541.902570] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:46:06 executing program 0 (fault-call:0 fault-nth:57): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:06 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7300) [ 541.926769] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 541.947230] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:06 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5300) 14:46:06 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3001) [ 542.001659] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 542.006246] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 542.059494] FAULT_INJECTION: forcing a failure. [ 542.059494] name failslab, interval 1, probability 0, space 0, times 0 [ 542.082905] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 542.104046] CPU: 1 PID: 17450 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 542.111964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.121320] Call Trace: [ 542.123923] dump_stack+0x1fc/0x2ef [ 542.127564] should_fail.cold+0xa/0xf [ 542.131384] ? setup_fault_attr+0x200/0x200 [ 542.135717] ? lock_acquire+0x170/0x3c0 [ 542.139708] __should_failslab+0x115/0x180 [ 542.144044] should_failslab+0x5/0x10 [ 542.147851] __kmalloc+0x2ab/0x3c0 [ 542.151400] ? crypto_create_tfm+0x79/0x2e0 [ 542.155729] ? up_read+0x17/0x110 [ 542.159191] crypto_create_tfm+0x79/0x2e0 [ 542.163351] crypto_alloc_tfm+0xff/0x230 [ 542.167424] ext4_fill_super+0xb00/0xc820 [ 542.171589] ? vsnprintf+0x2cc/0x14f0 [ 542.175407] ? pointer+0x850/0x850 [ 542.178956] ? lock_downgrade+0x720/0x720 [ 542.183118] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 542.184208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 542.188229] ? snprintf+0xbb/0xf0 [ 542.188242] ? vsprintf+0x30/0x30 [ 542.188266] ? wait_for_completion_io+0x10/0x10 [ 542.188281] ? set_blocksize+0x163/0x3f0 [ 542.188303] mount_bdev+0x2fc/0x3b0 [ 542.188318] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 542.188335] mount_fs+0xa3/0x310 [ 542.224712] vfs_kern_mount.part.0+0x68/0x470 [ 542.229224] do_mount+0x113c/0x2f10 [ 542.232863] ? cmp_ex_sort+0xc0/0xc0 [ 542.236595] ? __do_page_fault+0x180/0xd60 [ 542.240846] ? copy_mount_string+0x40/0x40 [ 542.245101] ? memset+0x20/0x40 [ 542.248392] ? copy_mount_options+0x26f/0x380 [ 542.252909] ksys_mount+0xcf/0x130 [ 542.256471] __x64_sys_mount+0xba/0x150 [ 542.260459] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 542.265050] do_syscall_64+0xf9/0x620 [ 542.268867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.274070] RIP: 0033:0x46741a [ 542.277278] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.296530] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 14:46:06 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x78020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 542.304249] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 542.311551] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 542.318829] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 542.326104] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 542.333383] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 542.350861] EXT4-fs (loop0): Cannot load crc32c driver. 14:46:06 executing program 0 (fault-call:0 fault-nth:58): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 542.368828] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 542.402969] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:46:06 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5301) [ 542.418074] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:06 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3300) 14:46:06 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7301) 14:46:06 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3100) [ 542.489875] FAULT_INJECTION: forcing a failure. [ 542.489875] name failslab, interval 1, probability 0, space 0, times 0 [ 542.515925] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 542.563835] CPU: 0 PID: 17489 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 542.571756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.581120] Call Trace: [ 542.583722] dump_stack+0x1fc/0x2ef [ 542.587374] should_fail.cold+0xa/0xf [ 542.591189] ? setup_fault_attr+0x200/0x200 [ 542.595533] __should_failslab+0x115/0x180 [ 542.599785] should_failslab+0x5/0x10 [ 542.603593] kmem_cache_alloc+0x3f/0x370 [ 542.607666] ? mempool_alloc+0x350/0x350 [ 542.611736] mempool_alloc+0x146/0x350 [ 542.615635] ? mempool_resize+0x790/0x790 [ 542.619796] ? lock_downgrade+0x720/0x720 [ 542.623957] ? mark_held_locks+0xa6/0xf0 [ 542.628043] bio_alloc_bioset+0x389/0x5e0 [ 542.632199] ? __find_get_block+0x314/0xde0 [ 542.636547] ? bvec_alloc+0x2f0/0x2f0 [ 542.640359] ? __getblk_slow+0x6a3/0x9e0 [ 542.644435] submit_bh_wbc+0x141/0x760 [ 542.648336] __bread_gfp+0x14e/0x300 [ 542.652063] ext4_fill_super+0x57b/0xc820 [ 542.656250] ? vsnprintf+0x2cc/0x14f0 [ 542.660066] ? pointer+0x850/0x850 [ 542.663622] ? lock_downgrade+0x720/0x720 [ 542.667779] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 542.672895] ? snprintf+0xbb/0xf0 [ 542.676358] ? vsprintf+0x30/0x30 [ 542.679828] ? wait_for_completion_io+0x10/0x10 [ 542.684507] ? set_blocksize+0x163/0x3f0 [ 542.688584] mount_bdev+0x2fc/0x3b0 [ 542.692221] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 542.697336] mount_fs+0xa3/0x310 [ 542.700720] vfs_kern_mount.part.0+0x68/0x470 [ 542.705235] do_mount+0x113c/0x2f10 [ 542.708876] ? cmp_ex_sort+0xc0/0xc0 14:46:06 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7400) 14:46:06 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x78030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:06 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3301) [ 542.712605] ? __do_page_fault+0x180/0xd60 [ 542.716855] ? copy_mount_string+0x40/0x40 [ 542.721117] ? memset+0x20/0x40 [ 542.724410] ? copy_mount_options+0x26f/0x380 [ 542.728923] ksys_mount+0xcf/0x130 [ 542.732476] __x64_sys_mount+0xba/0x150 [ 542.736466] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 542.741057] do_syscall_64+0xf9/0x620 [ 542.744902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.750098] RIP: 0033:0x46741a [ 542.753301] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.772206] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 542.779916] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 542.787194] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 542.794472] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 542.801745] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 542.809020] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:07 executing program 0 (fault-call:0 fault-nth:59): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 542.850138] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:46:07 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5400) [ 542.992936] FAULT_INJECTION: forcing a failure. [ 542.992936] name failslab, interval 1, probability 0, space 0, times 0 14:46:07 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3400) 14:46:07 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3101) [ 543.049676] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 543.116822] CPU: 0 PID: 17553 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 543.124760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.135597] Call Trace: [ 543.138206] dump_stack+0x1fc/0x2ef [ 543.141851] should_fail.cold+0xa/0xf [ 543.145676] ? setup_fault_attr+0x200/0x200 [ 543.150011] ? lock_acquire+0x170/0x3c0 [ 543.154009] __should_failslab+0x115/0x180 [ 543.158257] should_failslab+0x5/0x10 [ 543.162077] kmem_cache_alloc_trace+0x284/0x380 [ 543.166757] mb_cache_create+0x4f/0x4c0 [ 543.170746] ext4_fill_super+0x97b1/0xc820 [ 543.175011] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 543.180128] ? snprintf+0xbb/0xf0 [ 543.183599] ? wait_for_completion_io+0x10/0x10 [ 543.188391] ? set_blocksize+0x163/0x3f0 [ 543.192513] mount_bdev+0x2fc/0x3b0 [ 543.196158] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 543.201276] mount_fs+0xa3/0x310 [ 543.204765] vfs_kern_mount.part.0+0x68/0x470 [ 543.209280] do_mount+0x113c/0x2f10 [ 543.212919] ? cmp_ex_sort+0xc0/0xc0 14:46:07 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3200) [ 543.216642] ? __do_page_fault+0x180/0xd60 [ 543.220898] ? copy_mount_string+0x40/0x40 [ 543.225150] ? memset+0x20/0x40 [ 543.228438] ? copy_mount_options+0x26f/0x380 [ 543.232944] ksys_mount+0xcf/0x130 [ 543.236502] __x64_sys_mount+0xba/0x150 [ 543.240487] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 543.245080] do_syscall_64+0xf9/0x620 [ 543.248893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.255052] RIP: 0033:0x46741a [ 543.258259] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 543.277304] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 543.286068] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 543.294473] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 543.301749] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 543.309114] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:07 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x79000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:07 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7401) 14:46:07 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5401) [ 543.316397] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 543.369664] EXT4-fs (loop0): Failed to create ea_block_cache 14:46:07 executing program 0 (fault-call:0 fault-nth:60): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:07 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3401) 14:46:07 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3201) 14:46:07 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5500) 14:46:07 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7500) [ 543.529167] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 543.620509] FAULT_INJECTION: forcing a failure. [ 543.620509] name failslab, interval 1, probability 0, space 0, times 0 [ 543.646567] CPU: 0 PID: 17633 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 543.654489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.663852] Call Trace: [ 543.666460] dump_stack+0x1fc/0x2ef [ 543.670107] should_fail.cold+0xa/0xf [ 543.673933] ? ksys_mount+0xcf/0x130 [ 543.677659] ? setup_fault_attr+0x200/0x200 [ 543.681993] ? blk_queue_enter+0x40b/0xb70 [ 543.686261] __should_failslab+0x115/0x180 [ 543.690513] should_failslab+0x5/0x10 [ 543.694328] kmem_cache_alloc_node+0x54/0x3b0 [ 543.698842] create_task_io_context+0x2c/0x430 [ 543.703439] generic_make_request_checks+0x1c4f/0x22e0 [ 543.708739] ? should_fail_bio.isra.0+0xa0/0xa0 [ 543.713424] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 543.718454] ? kmem_cache_alloc+0x315/0x370 [ 543.722797] generic_make_request+0x23f/0xdf0 [ 543.727330] ? blk_put_request+0x110/0x110 [ 543.731664] ? lock_downgrade+0x720/0x720 [ 543.735818] submit_bio+0xb1/0x430 [ 543.739363] ? generic_make_request+0xdf0/0xdf0 [ 543.744046] ? check_preemption_disabled+0x41/0x280 [ 543.749102] ? guard_bio_eod+0x2a0/0x650 [ 543.753176] submit_bh_wbc+0x5a7/0x760 [ 543.757079] __bread_gfp+0x14e/0x300 [ 543.760800] ext4_fill_super+0x57b/0xc820 [ 543.764968] ? vsnprintf+0x2cc/0x14f0 [ 543.768785] ? pointer+0x850/0x850 [ 543.772342] ? lock_downgrade+0x720/0x720 [ 543.776505] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 543.781619] ? snprintf+0xbb/0xf0 [ 543.785079] ? vsprintf+0x30/0x30 [ 543.788549] ? wait_for_completion_io+0x10/0x10 [ 543.793228] ? set_blocksize+0x163/0x3f0 [ 543.797317] mount_bdev+0x2fc/0x3b0 [ 543.800956] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 543.806073] mount_fs+0xa3/0x310 [ 543.809453] vfs_kern_mount.part.0+0x68/0x470 [ 543.813964] do_mount+0x113c/0x2f10 [ 543.817617] ? cmp_ex_sort+0xc0/0xc0 [ 543.821345] ? __do_page_fault+0x180/0xd60 [ 543.825585] ? copy_mount_string+0x40/0x40 [ 543.829811] ? memset+0x20/0x40 [ 543.833110] ? copy_mount_options+0x26f/0x380 [ 543.837592] ksys_mount+0xcf/0x130 [ 543.841235] __x64_sys_mount+0xba/0x150 [ 543.845194] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 543.849784] do_syscall_64+0xf9/0x620 [ 543.853579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.858770] RIP: 0033:0x46741a 14:46:08 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x79010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:08 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3300) 14:46:08 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3500) 14:46:08 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5501) 14:46:08 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7501) [ 543.861946] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 543.880845] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 543.888550] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 543.895802] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 543.903056] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 543.910310] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 543.917579] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 543.975573] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:46:08 executing program 0 (fault-call:0 fault-nth:61): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 544.074003] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:08 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x79020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 544.191569] FAULT_INJECTION: forcing a failure. [ 544.191569] name failslab, interval 1, probability 0, space 0, times 0 [ 544.216031] CPU: 0 PID: 17701 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 544.223955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.233495] Call Trace: [ 544.236103] dump_stack+0x1fc/0x2ef 14:46:08 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5600) [ 544.239750] should_fail.cold+0xa/0xf [ 544.243570] ? setup_fault_attr+0x200/0x200 [ 544.248017] ? lock_acquire+0x170/0x3c0 [ 544.252014] __should_failslab+0x115/0x180 [ 544.256306] should_failslab+0x5/0x10 [ 544.260210] __kmalloc+0x2ab/0x3c0 [ 544.263860] ? crypto_create_tfm+0x79/0x2e0 [ 544.268191] ? up_read+0x17/0x110 [ 544.271660] crypto_create_tfm+0x79/0x2e0 [ 544.275853] crypto_alloc_tfm+0xff/0x230 [ 544.279930] ext4_fill_super+0xb00/0xc820 [ 544.284102] ? vsnprintf+0x2cc/0x14f0 [ 544.287921] ? pointer+0x850/0x850 14:46:08 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5601) 14:46:08 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3501) [ 544.291483] ? lock_downgrade+0x720/0x720 [ 544.295642] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 544.300754] ? snprintf+0xbb/0xf0 [ 544.304216] ? vsprintf+0x30/0x30 [ 544.307683] ? wait_for_completion_io+0x10/0x10 [ 544.312360] ? set_blocksize+0x163/0x3f0 [ 544.316437] mount_bdev+0x2fc/0x3b0 [ 544.320076] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 544.325190] mount_fs+0xa3/0x310 [ 544.328571] vfs_kern_mount.part.0+0x68/0x470 [ 544.333075] do_mount+0x113c/0x2f10 [ 544.336709] ? cmp_ex_sort+0xc0/0xc0 [ 544.340437] ? __do_page_fault+0x180/0xd60 [ 544.344690] ? copy_mount_string+0x40/0x40 [ 544.348944] ? memset+0x20/0x40 [ 544.352237] ? copy_mount_options+0x26f/0x380 [ 544.356893] ksys_mount+0xcf/0x130 [ 544.360477] __x64_sys_mount+0xba/0x150 [ 544.364440] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 544.369016] do_syscall_64+0xf9/0x620 [ 544.372831] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.378005] RIP: 0033:0x46741a [ 544.381181] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 544.400121] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 544.407817] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 544.415075] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 544.422338] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 544.429594] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:08 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7600) 14:46:08 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3301) [ 544.436848] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 544.470897] EXT4-fs (loop0): Cannot load crc32c driver. [ 544.506488] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:08 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x79030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:08 executing program 0 (fault-call:0 fault-nth:62): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 544.691728] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 544.710903] FAULT_INJECTION: forcing a failure. [ 544.710903] name failslab, interval 1, probability 0, space 0, times 0 [ 544.743097] CPU: 1 PID: 17745 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 544.751029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.760392] Call Trace: [ 544.763003] dump_stack+0x1fc/0x2ef [ 544.766650] should_fail.cold+0xa/0xf [ 544.770466] ? setup_fault_attr+0x200/0x200 [ 544.774797] ? lock_acquire+0x170/0x3c0 [ 544.778788] __should_failslab+0x115/0x180 [ 544.783036] should_failslab+0x5/0x10 [ 544.786850] __kmalloc+0x2ab/0x3c0 [ 544.790484] ? crypto_create_tfm+0x79/0x2e0 [ 544.794810] ? up_read+0x17/0x110 [ 544.798280] crypto_create_tfm+0x79/0x2e0 [ 544.802443] crypto_alloc_tfm+0xff/0x230 [ 544.806523] ext4_fill_super+0xb00/0xc820 [ 544.810693] ? vsnprintf+0x2cc/0x14f0 [ 544.814597] ? pointer+0x850/0x850 [ 544.818150] ? lock_downgrade+0x720/0x720 [ 544.822423] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 544.827540] ? snprintf+0xbb/0xf0 [ 544.831000] ? vsprintf+0x30/0x30 [ 544.834468] ? wait_for_completion_io+0x10/0x10 [ 544.839147] ? set_blocksize+0x163/0x3f0 [ 544.843224] mount_bdev+0x2fc/0x3b0 [ 544.846864] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 544.851978] mount_fs+0xa3/0x310 [ 544.855456] vfs_kern_mount.part.0+0x68/0x470 [ 544.859986] do_mount+0x113c/0x2f10 [ 544.863629] ? cmp_ex_sort+0xc0/0xc0 [ 544.867355] ? __do_page_fault+0x180/0xd60 [ 544.871643] ? copy_mount_string+0x40/0x40 [ 544.875897] ? memset+0x20/0x40 [ 544.879189] ? copy_mount_options+0x26f/0x380 [ 544.883696] ksys_mount+0xcf/0x130 [ 544.887256] __x64_sys_mount+0xba/0x150 [ 544.891246] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 544.895845] do_syscall_64+0xf9/0x620 [ 544.899661] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.904858] RIP: 0033:0x46741a [ 544.908067] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 544.927757] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 544.935742] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a 14:46:09 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7601) 14:46:09 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3400) 14:46:09 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5700) 14:46:09 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7a000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:09 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3580) [ 544.943111] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 544.950397] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 544.957678] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 544.964959] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:09 executing program 0 (fault-call:0 fault-nth:63): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 545.003729] EXT4-fs (loop0): Cannot load crc32c driver. [ 545.125534] FAULT_INJECTION: forcing a failure. [ 545.125534] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 545.141134] CPU: 1 PID: 17802 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 545.142375] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 545.149225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.149231] Call Trace: [ 545.149257] dump_stack+0x1fc/0x2ef [ 545.149277] should_fail.cold+0xa/0xf [ 545.149294] ? setup_fault_attr+0x200/0x200 [ 545.149322] __alloc_pages_nodemask+0x239/0x2890 [ 545.149340] ? kasan_kmalloc+0x139/0x160 [ 545.149362] ? mark_held_locks+0xf0/0xf0 [ 545.149379] ? do_syscall_64+0xf9/0x620 [ 545.149391] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.149407] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 545.149425] ? mark_held_locks+0xf0/0xf0 [ 545.149443] ? __debug_object_init+0x410/0x9b0 [ 545.149466] ? mark_held_locks+0xa6/0xf0 [ 545.149478] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 545.149497] alloc_pages_current+0x193/0x2a0 [ 545.234285] ? __debug_object_init+0x410/0x9b0 [ 545.238883] get_zeroed_page+0x10/0x40 [ 545.242791] ext4_calculate_overhead+0xfb/0x11c0 [ 545.247579] ext4_fill_super+0x9681/0xc820 [ 545.251850] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 545.256964] ? snprintf+0xbb/0xf0 [ 545.260434] ? wait_for_completion_io+0x10/0x10 [ 545.265110] ? set_blocksize+0x163/0x3f0 [ 545.269185] mount_bdev+0x2fc/0x3b0 14:46:09 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7a010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 545.272822] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 545.277939] mount_fs+0xa3/0x310 [ 545.281323] vfs_kern_mount.part.0+0x68/0x470 [ 545.285837] do_mount+0x113c/0x2f10 [ 545.289479] ? cmp_ex_sort+0xc0/0xc0 [ 545.293206] ? __do_page_fault+0x180/0xd60 [ 545.297449] ? copy_mount_string+0x40/0x40 [ 545.301702] ? memset+0x20/0x40 [ 545.304992] ? copy_mount_options+0x26f/0x380 [ 545.309500] ksys_mount+0xcf/0x130 [ 545.313057] __x64_sys_mount+0xba/0x150 [ 545.317043] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 545.321634] do_syscall_64+0xf9/0x620 14:46:09 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5701) [ 545.325447] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.330643] RIP: 0033:0x46741a [ 545.333844] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 545.352756] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 545.360478] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 545.368361] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 545.375640] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 545.382914] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 545.390194] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:09 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3401) 14:46:09 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7700) 14:46:09 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5800) 14:46:09 executing program 0 (fault-call:0 fault-nth:64): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:09 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3600) 14:46:09 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7a020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 545.554491] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 545.581020] FAULT_INJECTION: forcing a failure. [ 545.581020] name failslab, interval 1, probability 0, space 0, times 0 [ 545.607569] CPU: 1 PID: 17850 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 545.615486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.624844] Call Trace: [ 545.627454] dump_stack+0x1fc/0x2ef [ 545.631100] should_fail.cold+0xa/0xf [ 545.634912] ? setup_fault_attr+0x200/0x200 [ 545.639240] ? lock_acquire+0x170/0x3c0 [ 545.643228] __should_failslab+0x115/0x180 [ 545.647477] should_failslab+0x5/0x10 [ 545.651284] __kmalloc+0x2ab/0x3c0 [ 545.654830] ? match_number+0xad/0x230 [ 545.658732] match_number+0xad/0x230 [ 545.662450] ? match_strdup+0xa0/0xa0 [ 545.666257] ? io_schedule_timeout+0x140/0x140 [ 545.670845] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 545.675443] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 545.680559] parse_options+0xf09/0x24a0 [ 545.684548] ? clear_qf_name+0x1f0/0x1f0 [ 545.688620] ? crypto_shash_update+0xcc/0x120 [ 545.693125] ? map_id_range_down+0x1c4/0x340 [ 545.697546] ? ext4_statfs+0xcc0/0xcc0 [ 545.701447] ? crc32c_intel_final+0x80/0x80 [ 545.705778] ? crc32c_pcl_intel_update+0x1b9/0x320 [ 545.710733] ext4_fill_super+0x17a2/0xc820 [ 545.714995] ? pointer+0x850/0x850 [ 545.718547] ? lock_downgrade+0x720/0x720 [ 545.722704] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 545.727823] ? snprintf+0xbb/0xf0 [ 545.731292] ? wait_for_completion_io+0x10/0x10 [ 545.735969] ? set_blocksize+0x163/0x3f0 [ 545.740043] mount_bdev+0x2fc/0x3b0 [ 545.743677] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 545.748793] mount_fs+0xa3/0x310 [ 545.752191] vfs_kern_mount.part.0+0x68/0x470 [ 545.756702] do_mount+0x113c/0x2f10 [ 545.760346] ? cmp_ex_sort+0xc0/0xc0 [ 545.764076] ? __do_page_fault+0x180/0xd60 [ 545.768326] ? copy_mount_string+0x40/0x40 [ 545.772583] ? memset+0x20/0x40 [ 545.775877] ? copy_mount_options+0x26f/0x380 [ 545.780392] ksys_mount+0xcf/0x130 [ 545.783947] __x64_sys_mount+0xba/0x150 [ 545.787942] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 545.792536] do_syscall_64+0xf9/0x620 [ 545.796351] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.801548] RIP: 0033:0x46741a [ 545.804778] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 545.824032] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 545.831755] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 545.839034] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 545.846313] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 14:46:10 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3601) 14:46:10 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5801) 14:46:10 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7701) [ 545.853586] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 545.860864] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:10 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3500) [ 546.014407] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:10 executing program 0 (fault-call:0 fault-nth:65): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:10 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7a030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 546.177822] FAULT_INJECTION: forcing a failure. [ 546.177822] name failslab, interval 1, probability 0, space 0, times 0 [ 546.189817] CPU: 1 PID: 17930 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 546.197719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.207083] Call Trace: [ 546.209685] dump_stack+0x1fc/0x2ef [ 546.213312] should_fail.cold+0xa/0xf [ 546.217113] ? setup_fault_attr+0x200/0x200 [ 546.221433] ? lock_acquire+0x170/0x3c0 [ 546.225410] __should_failslab+0x115/0x180 [ 546.229647] should_failslab+0x5/0x10 [ 546.233439] __kmalloc+0x2ab/0x3c0 [ 546.236977] ? __alloc_workqueue_key+0x789/0xed0 [ 546.241728] __alloc_workqueue_key+0x789/0xed0 [ 546.246305] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 546.250881] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 546.255907] ext4_fill_super+0x6edb/0xc820 [ 546.260162] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 546.265288] ? snprintf+0xbb/0xf0 [ 546.268741] ? wait_for_completion_io+0x10/0x10 [ 546.273426] ? set_blocksize+0x163/0x3f0 [ 546.277482] mount_bdev+0x2fc/0x3b0 [ 546.281103] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 546.286209] mount_fs+0xa3/0x310 [ 546.289573] vfs_kern_mount.part.0+0x68/0x470 [ 546.294067] do_mount+0x113c/0x2f10 [ 546.297686] ? cmp_ex_sort+0xc0/0xc0 [ 546.301395] ? __do_page_fault+0x180/0xd60 [ 546.305623] ? copy_mount_string+0x40/0x40 [ 546.309875] ? memset+0x20/0x40 [ 546.313149] ? copy_mount_options+0x26f/0x380 [ 546.317647] ksys_mount+0xcf/0x130 [ 546.321186] __x64_sys_mount+0xba/0x150 [ 546.325154] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 546.329728] do_syscall_64+0xf9/0x620 [ 546.333556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.338734] RIP: 0033:0x46741a [ 546.341936] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 546.360826] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 546.368523] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a 14:46:10 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3501) 14:46:10 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7800) 14:46:10 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5865) 14:46:10 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3700) 14:46:10 executing program 0 (fault-call:0 fault-nth:66): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 546.375869] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 546.383156] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 546.390706] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 546.397962] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 546.411610] EXT4-fs: failed to create workqueue [ 546.416618] EXT4-fs (loop0): mount failed 14:46:10 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7801) [ 546.542093] FAULT_INJECTION: forcing a failure. [ 546.542093] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 546.569295] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 546.603647] CPU: 0 PID: 17945 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 546.611612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.620980] Call Trace: [ 546.623587] dump_stack+0x1fc/0x2ef [ 546.627263] should_fail.cold+0xa/0xf [ 546.631339] ? setup_fault_attr+0x200/0x200 [ 546.635683] __alloc_pages_nodemask+0x239/0x2890 [ 546.640455] ? kasan_kmalloc+0x139/0x160 [ 546.644543] ? mark_held_locks+0xf0/0xf0 [ 546.648620] ? do_syscall_64+0xf9/0x620 [ 546.652608] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.657987] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 546.662872] ? mark_held_locks+0xf0/0xf0 [ 546.666950] ? __debug_object_init+0x410/0x9b0 [ 546.671553] ? mark_held_locks+0xa6/0xf0 [ 546.675626] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 546.680745] alloc_pages_current+0x193/0x2a0 [ 546.685162] ? __debug_object_init+0x410/0x9b0 [ 546.689755] get_zeroed_page+0x10/0x40 [ 546.693655] ext4_calculate_overhead+0xfb/0x11c0 [ 546.698437] ext4_fill_super+0x9681/0xc820 14:46:10 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3701) [ 546.702717] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 546.707832] ? snprintf+0xbb/0xf0 [ 546.711308] ? wait_for_completion_io+0x10/0x10 [ 546.715984] ? set_blocksize+0x163/0x3f0 [ 546.720082] mount_bdev+0x2fc/0x3b0 [ 546.723720] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 546.728836] mount_fs+0xa3/0x310 [ 546.732226] vfs_kern_mount.part.0+0x68/0x470 [ 546.736735] do_mount+0x113c/0x2f10 [ 546.740374] ? cmp_ex_sort+0xc0/0xc0 [ 546.744105] ? __do_page_fault+0x180/0xd60 [ 546.749328] ? copy_mount_string+0x40/0x40 [ 546.753603] ? memset+0x20/0x40 [ 546.756893] ? copy_mount_options+0x26f/0x380 [ 546.761404] ksys_mount+0xcf/0x130 [ 546.764959] __x64_sys_mount+0xba/0x150 [ 546.768948] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 546.773549] do_syscall_64+0xf9/0x620 [ 546.777455] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.782652] RIP: 0033:0x46741a 14:46:10 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3580) 14:46:11 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3800) [ 546.785851] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 546.806239] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 546.813963] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 546.821247] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 546.828550] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 546.835830] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 546.843108] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7b000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:11 executing program 0 (fault-call:0 fault-nth:67): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 546.907302] nla_parse: 87 callbacks suppressed [ 546.907312] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 546.949249] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 546.988001] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 14:46:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7b010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 547.037136] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:11 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5900) [ 547.088398] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 547.116910] FAULT_INJECTION: forcing a failure. [ 547.116910] name failslab, interval 1, probability 0, space 0, times 0 [ 547.131207] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 547.152059] CPU: 0 PID: 18025 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 547.159979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.169341] Call Trace: [ 547.169622] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 547.171941] dump_stack+0x1fc/0x2ef [ 547.171961] should_fail.cold+0xa/0xf [ 547.171980] ? setup_fault_attr+0x200/0x200 [ 547.171994] ? lock_acquire+0x170/0x3c0 [ 547.172014] __should_failslab+0x115/0x180 [ 547.200537] should_failslab+0x5/0x10 [ 547.204346] __kmalloc+0x2ab/0x3c0 [ 547.207897] ? __alloc_workqueue_key+0x789/0xed0 [ 547.212677] __alloc_workqueue_key+0x789/0xed0 [ 547.212997] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 547.217276] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.217300] ? workqueue_sysfs_register+0x3e0/0x3e0 14:46:11 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5901) 14:46:11 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3600) 14:46:11 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7900) 14:46:11 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3801) [ 547.217329] ext4_fill_super+0x6edb/0xc820 [ 547.217365] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 547.244828] ? snprintf+0xbb/0xf0 [ 547.248312] ? wait_for_completion_io+0x10/0x10 [ 547.252988] ? set_blocksize+0x163/0x3f0 [ 547.254135] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 547.257055] mount_bdev+0x2fc/0x3b0 [ 547.269250] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 547.274371] mount_fs+0xa3/0x310 [ 547.277759] vfs_kern_mount.part.0+0x68/0x470 [ 547.282276] do_mount+0x113c/0x2f10 [ 547.285915] ? cmp_ex_sort+0xc0/0xc0 [ 547.289632] ? __do_page_fault+0x180/0xd60 [ 547.293873] ? copy_mount_string+0x40/0x40 [ 547.298110] ? memset+0x20/0x40 [ 547.301522] ? copy_mount_options+0x26f/0x380 [ 547.306134] ksys_mount+0xcf/0x130 [ 547.309659] __x64_sys_mount+0xba/0x150 [ 547.313632] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.318314] do_syscall_64+0xf9/0x620 [ 547.322102] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.327321] RIP: 0033:0x46741a [ 547.330497] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 547.349467] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 547.357297] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 547.364556] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 547.371813] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 547.379207] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 547.386810] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 547.395337] EXT4-fs: failed to create workqueue [ 547.400026] EXT4-fs (loop0): mount failed 14:46:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7b020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 547.449631] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 547.461244] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:11 executing program 0 (fault-call:0 fault-nth:68): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 547.543808] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 547.615818] FAULT_INJECTION: forcing a failure. [ 547.615818] name failslab, interval 1, probability 0, space 0, times 0 [ 547.633506] CPU: 1 PID: 18069 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 547.641426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.650783] Call Trace: [ 547.653383] dump_stack+0x1fc/0x2ef [ 547.657032] should_fail.cold+0xa/0xf [ 547.660885] ? setup_fault_attr+0x200/0x200 [ 547.665221] ? lock_acquire+0x170/0x3c0 [ 547.669204] __should_failslab+0x115/0x180 [ 547.673431] should_failslab+0x5/0x10 [ 547.677225] kmem_cache_alloc_trace+0x284/0x380 [ 547.681893] __alloc_workqueue_key+0x7de/0xed0 [ 547.686468] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.691051] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 547.696066] ext4_fill_super+0x6edb/0xc820 [ 547.701792] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 547.706884] ? snprintf+0xbb/0xf0 [ 547.710331] ? wait_for_completion_io+0x10/0x10 [ 547.714988] ? set_blocksize+0x163/0x3f0 [ 547.719041] mount_bdev+0x2fc/0x3b0 [ 547.722656] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 547.727760] mount_fs+0xa3/0x310 [ 547.731123] vfs_kern_mount.part.0+0x68/0x470 [ 547.735610] do_mount+0x113c/0x2f10 [ 547.739326] ? cmp_ex_sort+0xc0/0xc0 [ 547.743035] ? __do_page_fault+0x180/0xd60 [ 547.747259] ? copy_mount_string+0x40/0x40 [ 547.751485] ? memset+0x20/0x40 [ 547.754752] ? copy_mount_options+0x26f/0x380 [ 547.759237] ksys_mount+0xcf/0x130 [ 547.762767] __x64_sys_mount+0xba/0x150 [ 547.766730] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.771297] do_syscall_64+0xf9/0x620 [ 547.775088] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.780266] RIP: 0033:0x46741a [ 547.783447] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 547.802331] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 547.810025] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 547.817278] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 547.824532] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 547.831793] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 547.839059] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:12 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3900) 14:46:12 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5a00) [ 547.943759] EXT4-fs: failed to create workqueue [ 547.952389] EXT4-fs (loop0): mount failed [ 547.957609] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:12 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7901) 14:46:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7b030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:12 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3601) 14:46:12 executing program 0 (fault-call:0 fault-nth:69): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 548.180718] FAULT_INJECTION: forcing a failure. [ 548.180718] name failslab, interval 1, probability 0, space 0, times 0 [ 548.193177] CPU: 0 PID: 18121 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 548.201096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.210456] Call Trace: [ 548.213060] dump_stack+0x1fc/0x2ef [ 548.216710] should_fail.cold+0xa/0xf [ 548.220525] ? setup_fault_attr+0x200/0x200 [ 548.224857] ? lock_acquire+0x170/0x3c0 [ 548.228849] __should_failslab+0x115/0x180 [ 548.233095] should_failslab+0x5/0x10 [ 548.236902] __kmalloc+0x2ab/0x3c0 [ 548.240445] ? mb_cache_create+0x155/0x4c0 [ 548.244772] mb_cache_create+0x155/0x4c0 [ 548.248841] ext4_fill_super+0x97b1/0xc820 [ 548.253109] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 548.258221] ? snprintf+0xbb/0xf0 [ 548.261748] ? wait_for_completion_io+0x10/0x10 [ 548.266424] ? set_blocksize+0x163/0x3f0 [ 548.270496] mount_bdev+0x2fc/0x3b0 [ 548.274130] ? ext4_calculate_overhead+0x11c0/0x11c0 14:46:12 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3700) [ 548.279244] mount_fs+0xa3/0x310 [ 548.282621] vfs_kern_mount.part.0+0x68/0x470 [ 548.287129] do_mount+0x113c/0x2f10 [ 548.290765] ? cmp_ex_sort+0xc0/0xc0 [ 548.294488] ? __do_page_fault+0x180/0xd60 [ 548.298732] ? copy_mount_string+0x40/0x40 [ 548.302983] ? memset+0x20/0x40 [ 548.306269] ? copy_mount_options+0x26f/0x380 [ 548.310775] ksys_mount+0xcf/0x130 [ 548.314327] __x64_sys_mount+0xba/0x150 [ 548.318312] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 548.322903] do_syscall_64+0xf9/0x620 14:46:12 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7a00) 14:46:12 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3901) [ 548.326716] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.331911] RIP: 0033:0x46741a [ 548.335110] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 548.354019] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 548.361740] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 548.369071] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 548.376344] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 548.383621] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 548.390904] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:12 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5a01) [ 548.422673] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7c000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 548.519195] EXT4-fs (loop0): Failed to create ea_block_cache 14:46:12 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a00) 14:46:12 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3701) 14:46:12 executing program 0 (fault-call:0 fault-nth:70): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:12 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7a01) 14:46:12 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5b00) 14:46:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7c010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 548.724277] FAULT_INJECTION: forcing a failure. [ 548.724277] name failslab, interval 1, probability 0, space 0, times 0 [ 548.745234] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 548.789442] CPU: 1 PID: 18183 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 548.797362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.806722] Call Trace: [ 548.809328] dump_stack+0x1fc/0x2ef [ 548.812974] should_fail.cold+0xa/0xf [ 548.816785] ? setup_fault_attr+0x200/0x200 [ 548.821375] ? lock_acquire+0x170/0x3c0 [ 548.825364] __should_failslab+0x115/0x180 [ 548.829611] should_failslab+0x5/0x10 [ 548.833421] __kmalloc+0x2ab/0x3c0 14:46:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7c020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:13 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3800) [ 548.836967] ? mb_cache_create+0x155/0x4c0 [ 548.841220] mb_cache_create+0x155/0x4c0 [ 548.845293] ext4_fill_super+0x97b1/0xc820 [ 548.849567] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 548.854684] ? snprintf+0xbb/0xf0 [ 548.858158] ? wait_for_completion_io+0x10/0x10 [ 548.862836] ? set_blocksize+0x163/0x3f0 [ 548.866945] mount_bdev+0x2fc/0x3b0 [ 548.870580] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 548.875695] mount_fs+0xa3/0x310 [ 548.879079] vfs_kern_mount.part.0+0x68/0x470 [ 548.883584] do_mount+0x113c/0x2f10 [ 548.887219] ? cmp_ex_sort+0xc0/0xc0 [ 548.890949] ? __do_page_fault+0x180/0xd60 [ 548.895195] ? copy_mount_string+0x40/0x40 [ 548.899448] ? memset+0x20/0x40 [ 548.902737] ? copy_mount_options+0x26f/0x380 [ 548.907244] ksys_mount+0xcf/0x130 [ 548.910797] __x64_sys_mount+0xba/0x150 [ 548.914786] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 548.919373] do_syscall_64+0xf9/0x620 [ 548.923185] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.928371] RIP: 0033:0x46741a [ 548.931567] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 548.950472] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 548.958188] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 548.965460] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 548.972730] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 548.980042] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 548.987320] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:13 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3801) 14:46:13 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5b01) 14:46:13 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a01) 14:46:13 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7b00) [ 549.027042] EXT4-fs (loop0): Failed to create ea_block_cache 14:46:13 executing program 0 (fault-call:0 fault-nth:71): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 549.169440] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 549.199647] FAULT_INJECTION: forcing a failure. [ 549.199647] name failslab, interval 1, probability 0, space 0, times 0 [ 549.228322] CPU: 0 PID: 18251 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 549.236234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.245589] Call Trace: [ 549.248193] dump_stack+0x1fc/0x2ef [ 549.251841] should_fail.cold+0xa/0xf [ 549.255658] ? setup_fault_attr+0x200/0x200 [ 549.259976] ? lock_acquire+0x170/0x3c0 [ 549.263965] __should_failslab+0x115/0x180 [ 549.268219] should_failslab+0x5/0x10 [ 549.272027] kmem_cache_alloc_trace+0x284/0x380 [ 549.276712] apply_wqattrs_prepare+0x1c4/0xa50 [ 549.281317] apply_workqueue_attrs_locked+0xc5/0x120 [ 549.286433] __alloc_workqueue_key+0x510/0xed0 [ 549.291035] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 549.296080] ext4_fill_super+0x6edb/0xc820 [ 549.300348] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 549.305468] ? snprintf+0xbb/0xf0 [ 549.308940] ? wait_for_completion_io+0x10/0x10 [ 549.313622] ? set_blocksize+0x163/0x3f0 [ 549.317700] mount_bdev+0x2fc/0x3b0 [ 549.321333] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 549.326447] mount_fs+0xa3/0x310 [ 549.329830] vfs_kern_mount.part.0+0x68/0x470 [ 549.334336] do_mount+0x113c/0x2f10 [ 549.337973] ? cmp_ex_sort+0xc0/0xc0 [ 549.341701] ? __do_page_fault+0x180/0xd60 [ 549.345960] ? copy_mount_string+0x40/0x40 [ 549.350215] ? memset+0x20/0x40 [ 549.353506] ? copy_mount_options+0x26f/0x380 [ 549.358015] ksys_mount+0xcf/0x130 [ 549.361567] __x64_sys_mount+0xba/0x150 [ 549.365556] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 549.370149] do_syscall_64+0xf9/0x620 [ 549.373966] entry_SYSCALL_64_after_hwframe+0x49/0xbe 14:46:13 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3900) [ 549.379159] RIP: 0033:0x46741a [ 549.382353] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 549.401256] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 549.408977] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 549.416257] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7c030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:13 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7b01) [ 549.423529] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 549.430802] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 549.438077] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:13 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5c00) 14:46:13 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b00) [ 549.476792] EXT4-fs: failed to create workqueue [ 549.482648] EXT4-fs (loop0): mount failed 14:46:13 executing program 0 (fault-call:0 fault-nth:72): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 549.592426] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 549.673354] FAULT_INJECTION: forcing a failure. [ 549.673354] name failslab, interval 1, probability 0, space 0, times 0 [ 549.699106] CPU: 1 PID: 18307 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 549.707020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.716381] Call Trace: [ 549.718995] dump_stack+0x1fc/0x2ef 14:46:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7d000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 549.722640] should_fail.cold+0xa/0xf [ 549.726454] ? setup_fault_attr+0x200/0x200 [ 549.730784] ? lock_acquire+0x170/0x3c0 [ 549.734778] __should_failslab+0x115/0x180 [ 549.739031] should_failslab+0x5/0x10 [ 549.742840] __kmalloc+0x2ab/0x3c0 [ 549.746399] ? apply_wqattrs_prepare+0xf7/0xa50 [ 549.751085] apply_wqattrs_prepare+0xf7/0xa50 [ 549.755603] apply_workqueue_attrs_locked+0xc5/0x120 [ 549.760720] __alloc_workqueue_key+0x510/0xed0 [ 549.765321] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 549.770358] ext4_fill_super+0x6edb/0xc820 [ 549.774623] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 549.779736] ? snprintf+0xbb/0xf0 [ 549.783209] ? wait_for_completion_io+0x10/0x10 [ 549.787887] ? set_blocksize+0x163/0x3f0 [ 549.791960] mount_bdev+0x2fc/0x3b0 [ 549.795589] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 549.800697] mount_fs+0xa3/0x310 [ 549.804079] vfs_kern_mount.part.0+0x68/0x470 [ 549.808583] do_mount+0x113c/0x2f10 [ 549.812216] ? cmp_ex_sort+0xc0/0xc0 [ 549.815934] ? __do_page_fault+0x180/0xd60 [ 549.820172] ? copy_mount_string+0x40/0x40 [ 549.824425] ? memset+0x20/0x40 [ 549.827714] ? copy_mount_options+0x26f/0x380 [ 549.832223] ksys_mount+0xcf/0x130 [ 549.835774] __x64_sys_mount+0xba/0x150 [ 549.839753] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 549.844340] do_syscall_64+0xf9/0x620 [ 549.848147] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.853337] RIP: 0033:0x46741a 14:46:14 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3901) 14:46:14 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5c01) 14:46:14 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b01) [ 549.856533] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 549.875441] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 549.883159] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 549.890494] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 549.897749] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 549.905013] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 549.912276] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:14 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7c00) [ 549.948721] EXT4-fs: failed to create workqueue [ 549.965827] EXT4-fs (loop0): mount failed 14:46:14 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c00) 14:46:14 executing program 0 (fault-call:0 fault-nth:73): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:14 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a00) 14:46:14 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5d00) 14:46:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7d010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 550.110077] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 550.196947] FAULT_INJECTION: forcing a failure. [ 550.196947] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 550.240128] CPU: 1 PID: 18379 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 550.248090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.257451] Call Trace: [ 550.260142] dump_stack+0x1fc/0x2ef [ 550.263817] should_fail.cold+0xa/0xf [ 550.267708] ? setup_fault_attr+0x200/0x200 [ 550.272026] __alloc_pages_nodemask+0x239/0x2890 [ 550.276771] ? kasan_kmalloc+0x139/0x160 [ 550.280823] ? mark_held_locks+0xf0/0xf0 [ 550.284876] ? do_syscall_64+0xf9/0x620 [ 550.288840] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.294193] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 550.299027] ? mark_held_locks+0xf0/0xf0 [ 550.303078] ? __debug_object_init+0x410/0x9b0 [ 550.307665] ? mark_held_locks+0xa6/0xf0 [ 550.311715] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 550.319598] alloc_pages_current+0x193/0x2a0 [ 550.323995] ? __debug_object_init+0x410/0x9b0 [ 550.329518] get_zeroed_page+0x10/0x40 [ 550.333390] ext4_calculate_overhead+0xfb/0x11c0 [ 550.338144] ext4_fill_super+0x9681/0xc820 [ 550.342385] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 550.347476] ? snprintf+0xbb/0xf0 [ 550.350920] ? wait_for_completion_io+0x10/0x10 [ 550.355575] ? set_blocksize+0x163/0x3f0 [ 550.359627] mount_bdev+0x2fc/0x3b0 [ 550.363243] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 550.368336] mount_fs+0xa3/0x310 [ 550.371709] vfs_kern_mount.part.0+0x68/0x470 [ 550.376194] do_mount+0x113c/0x2f10 [ 550.379809] ? cmp_ex_sort+0xc0/0xc0 [ 550.383596] ? __do_page_fault+0x180/0xd60 [ 550.387821] ? copy_mount_string+0x40/0x40 [ 550.392076] ? memset+0x20/0x40 [ 550.395345] ? copy_mount_options+0x26f/0x380 [ 550.399833] ksys_mount+0xcf/0x130 [ 550.403373] __x64_sys_mount+0xba/0x150 [ 550.407338] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 550.411918] do_syscall_64+0xf9/0x620 [ 550.415710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.420887] RIP: 0033:0x46741a [ 550.424070] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 550.442954] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 550.450648] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 550.457902] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 550.465332] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 550.472585] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 550.479846] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:14 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c01) 14:46:14 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7c01) 14:46:14 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3a01) 14:46:14 executing program 0 (fault-call:0 fault-nth:74): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:14 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5d01) [ 550.657796] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 550.710604] FAULT_INJECTION: forcing a failure. [ 550.710604] name failslab, interval 1, probability 0, space 0, times 0 [ 550.756709] CPU: 1 PID: 18425 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 550.764639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.774010] Call Trace: [ 550.776611] dump_stack+0x1fc/0x2ef [ 550.780254] should_fail.cold+0xa/0xf [ 550.784069] ? setup_fault_attr+0x200/0x200 [ 550.788397] ? lock_acquire+0x170/0x3c0 [ 550.792385] __should_failslab+0x115/0x180 [ 550.796638] should_failslab+0x5/0x10 [ 550.800444] kmem_cache_alloc_trace+0x284/0x380 14:46:14 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5e00) [ 550.805125] apply_wqattrs_prepare+0x1c4/0xa50 [ 550.809734] apply_workqueue_attrs_locked+0xc5/0x120 [ 550.814854] __alloc_workqueue_key+0x510/0xed0 [ 550.819452] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 550.824491] ext4_fill_super+0x6edb/0xc820 [ 550.828770] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 550.833887] ? snprintf+0xbb/0xf0 [ 550.837355] ? wait_for_completion_io+0x10/0x10 [ 550.842033] ? set_blocksize+0x163/0x3f0 [ 550.846195] mount_bdev+0x2fc/0x3b0 [ 550.849857] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 550.854966] mount_fs+0xa3/0x310 [ 550.858343] vfs_kern_mount.part.0+0x68/0x470 [ 550.862850] do_mount+0x113c/0x2f10 [ 550.866485] ? cmp_ex_sort+0xc0/0xc0 [ 550.870205] ? __do_page_fault+0x180/0xd60 [ 550.874451] ? copy_mount_string+0x40/0x40 [ 550.878701] ? memset+0x20/0x40 [ 550.881987] ? copy_mount_options+0x26f/0x380 [ 550.886492] ksys_mount+0xcf/0x130 [ 550.890045] __x64_sys_mount+0xba/0x150 [ 550.894208] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 550.898797] do_syscall_64+0xf9/0x620 14:46:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7d020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:15 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d00) [ 550.902609] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.907808] RIP: 0033:0x46741a [ 550.911007] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 550.929913] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 550.938065] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 550.945341] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:15 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7d00) [ 550.952617] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 550.959892] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 550.967251] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:15 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b00) 14:46:15 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5e01) [ 551.075790] EXT4-fs: failed to create workqueue [ 551.080641] EXT4-fs (loop0): mount failed 14:46:15 executing program 0 (fault-call:0 fault-nth:75): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:15 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d01) 14:46:15 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7d01) 14:46:15 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3b01) [ 551.181160] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:15 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5f00) 14:46:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7d030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 551.244880] FAULT_INJECTION: forcing a failure. [ 551.244880] name failslab, interval 1, probability 0, space 0, times 0 [ 551.331405] CPU: 1 PID: 18497 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 551.339332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.349122] Call Trace: [ 551.351727] dump_stack+0x1fc/0x2ef [ 551.355369] should_fail.cold+0xa/0xf [ 551.359182] ? setup_fault_attr+0x200/0x200 [ 551.363508] ? lock_acquire+0x170/0x3c0 [ 551.367498] __should_failslab+0x115/0x180 [ 551.371746] should_failslab+0x5/0x10 [ 551.375564] kmem_cache_alloc_trace+0x284/0x380 [ 551.380245] apply_wqattrs_prepare+0x137/0xa50 [ 551.384850] apply_workqueue_attrs_locked+0xc5/0x120 [ 551.389967] __alloc_workqueue_key+0x510/0xed0 [ 551.394569] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 551.400035] ext4_fill_super+0x6edb/0xc820 [ 551.404307] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 551.409428] ? snprintf+0xbb/0xf0 [ 551.412901] ? wait_for_completion_io+0x10/0x10 [ 551.417576] ? set_blocksize+0x163/0x3f0 [ 551.421652] mount_bdev+0x2fc/0x3b0 [ 551.425286] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 551.430399] mount_fs+0xa3/0x310 [ 551.433784] vfs_kern_mount.part.0+0x68/0x470 [ 551.438292] do_mount+0x113c/0x2f10 [ 551.441927] ? cmp_ex_sort+0xc0/0xc0 [ 551.445652] ? __do_page_fault+0x180/0xd60 [ 551.449898] ? copy_mount_string+0x40/0x40 [ 551.454153] ? memset+0x20/0x40 [ 551.457443] ? copy_mount_options+0x26f/0x380 [ 551.461955] ksys_mount+0xcf/0x130 [ 551.465523] __x64_sys_mount+0xba/0x150 [ 551.469511] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 551.474101] do_syscall_64+0xf9/0x620 [ 551.477913] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.483105] RIP: 0033:0x46741a [ 551.486307] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 551.505208] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 551.512918] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 551.520191] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:15 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e00) 14:46:15 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c00) 14:46:15 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x5f01) 14:46:15 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7e00) 14:46:15 executing program 0 (fault-call:0 fault-nth:76): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 551.527468] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 551.534747] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 551.542023] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 551.556990] EXT4-fs: failed to create workqueue [ 551.561677] EXT4-fs (loop0): mount failed [ 551.696255] FAULT_INJECTION: forcing a failure. [ 551.696255] name failslab, interval 1, probability 0, space 0, times 0 [ 551.723191] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 551.741882] CPU: 0 PID: 18552 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 551.749811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.759171] Call Trace: [ 551.761774] dump_stack+0x1fc/0x2ef [ 551.765416] should_fail.cold+0xa/0xf [ 551.769238] ? __alloc_workqueue_key+0x5e4/0xed0 [ 551.774004] ? setup_fault_attr+0x200/0x200 [ 551.778348] __should_failslab+0x115/0x180 [ 551.782594] should_failslab+0x5/0x10 [ 551.786407] kmem_cache_alloc+0x277/0x370 [ 551.790585] ? ext4_sync_fs+0x8d0/0x8d0 14:46:15 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6000) 14:46:15 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7e01) 14:46:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7e000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 551.794570] ext4_alloc_inode+0x1a/0x630 [ 551.798641] ? ext4_sync_fs+0x8d0/0x8d0 [ 551.802711] alloc_inode+0x5d/0x180 [ 551.806342] iget_locked+0x193/0x480 [ 551.810067] __ext4_iget+0x279/0x3e00 [ 551.813886] ? __alloc_workqueue_key+0x92d/0xed0 [ 551.818652] ? ext4_get_projid+0x190/0x190 [ 551.822899] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 551.827933] ext4_fill_super+0x6f83/0xc820 [ 551.832197] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 551.837314] ? snprintf+0xbb/0xf0 [ 551.840783] ? wait_for_completion_io+0x10/0x10 [ 551.845460] ? set_blocksize+0x163/0x3f0 [ 551.849535] mount_bdev+0x2fc/0x3b0 [ 551.853171] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 551.858278] mount_fs+0xa3/0x310 [ 551.861661] vfs_kern_mount.part.0+0x68/0x470 [ 551.866169] do_mount+0x113c/0x2f10 [ 551.869803] ? cmp_ex_sort+0xc0/0xc0 [ 551.873517] ? __do_page_fault+0x180/0xd60 [ 551.877818] ? copy_mount_string+0x40/0x40 [ 551.882040] ? memset+0x20/0x40 [ 551.885302] ? copy_mount_options+0x26f/0x380 [ 551.889784] ksys_mount+0xcf/0x130 [ 551.893323] __x64_sys_mount+0xba/0x150 [ 551.897303] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 551.901868] do_syscall_64+0xf9/0x620 [ 551.905652] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.910821] RIP: 0033:0x46741a [ 551.914002] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 551.932894] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 14:46:16 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3c01) 14:46:16 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e01) [ 551.940582] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 551.947832] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 551.955083] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 551.962337] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 551.969936] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 552.002221] nla_parse: 96 callbacks suppressed [ 552.002232] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:46:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7e010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 552.068894] EXT4-fs (loop0): get root inode failed [ 552.079213] EXT4-fs (loop0): mount failed 14:46:16 executing program 0 (fault-call:0 fault-nth:77): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 552.116276] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 552.167799] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 552.220331] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 552.253593] FAULT_INJECTION: forcing a failure. [ 552.253593] name failslab, interval 1, probability 0, space 0, times 0 14:46:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7e020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 552.265099] CPU: 0 PID: 18617 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 552.273083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.282440] Call Trace: [ 552.285046] dump_stack+0x1fc/0x2ef [ 552.289013] should_fail.cold+0xa/0xf [ 552.292826] ? setup_fault_attr+0x200/0x200 [ 552.297162] ? get_page_from_freelist+0x1e7f/0x4170 [ 552.302204] __should_failslab+0x115/0x180 [ 552.306450] should_failslab+0x5/0x10 [ 552.310051] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 552.310257] kmem_cache_alloc+0x3f/0x370 [ 552.322882] radix_tree_node_alloc.constprop.0+0x1e4/0x320 [ 552.328524] radix_tree_extend+0x191/0x4b0 [ 552.332768] ? mem_cgroup_oom_trylock+0x220/0x220 [ 552.337625] __radix_tree_create+0x448/0x540 [ 552.342048] page_cache_tree_insert+0xac/0x3f0 [ 552.345542] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 552.346636] ? file_check_and_advance_wb_err+0x3a0/0x3a0 [ 552.360646] ? lock_acquire+0x170/0x3c0 [ 552.364632] ? __add_to_page_cache_locked+0x45e/0xb60 [ 552.369842] __add_to_page_cache_locked+0x46e/0xb60 [ 552.374865] ? page_cache_tree_insert+0x3f0/0x3f0 [ 552.379857] add_to_page_cache_lru+0x16a/0x680 [ 552.384427] ? add_to_page_cache_locked+0x40/0x40 [ 552.389256] ? __page_cache_alloc.part.0+0xb5/0x3f0 [ 552.394259] pagecache_get_page+0x478/0xd50 [ 552.398620] __getblk_slow+0x216/0x9e0 [ 552.402509] __getblk_gfp+0x6b/0x70 [ 552.406124] __ext4_get_inode_loc+0x351/0x10f0 [ 552.410691] ? _raw_spin_unlock+0x29/0x40 [ 552.414819] ? iget_locked+0x154/0x480 [ 552.418688] __ext4_iget+0x2ef/0x3e00 [ 552.422496] ? __alloc_workqueue_key+0x92d/0xed0 [ 552.427233] ? ext4_get_projid+0x190/0x190 [ 552.431472] ext4_fill_super+0x6f83/0xc820 [ 552.435701] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 552.440806] ? snprintf+0xbb/0xf0 [ 552.444242] ? wait_for_completion_io+0x10/0x10 [ 552.448889] ? set_blocksize+0x163/0x3f0 [ 552.452930] mount_bdev+0x2fc/0x3b0 [ 552.456537] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 552.461618] mount_fs+0xa3/0x310 [ 552.464967] vfs_kern_mount.part.0+0x68/0x470 [ 552.469443] do_mount+0x113c/0x2f10 [ 552.473051] ? cmp_ex_sort+0xc0/0xc0 [ 552.476752] ? __do_page_fault+0x180/0xd60 [ 552.480981] ? copy_mount_string+0x40/0x40 [ 552.485206] ? memset+0x20/0x40 [ 552.488466] ? copy_mount_options+0x26f/0x380 [ 552.492967] ksys_mount+0xcf/0x130 [ 552.496487] __x64_sys_mount+0xba/0x150 [ 552.500539] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 552.505116] do_syscall_64+0xf9/0x620 [ 552.508911] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.514080] RIP: 0033:0x46741a [ 552.517266] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 552.536164] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 552.543871] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 552.551319] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 552.558570] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 14:46:16 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d00) [ 552.565817] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 552.573066] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 552.583383] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 14:46:16 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7f00) [ 552.644218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 552.652886] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 552.660787] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue [ 552.674172] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:16 executing program 0 (fault-call:0 fault-nth:78): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:16 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f00) 14:46:16 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6001) [ 552.790192] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 14:46:17 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3d01) [ 552.854548] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7e030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 552.905926] FAULT_INJECTION: forcing a failure. [ 552.905926] name failslab, interval 1, probability 0, space 0, times 0 [ 552.990397] CPU: 0 PID: 18666 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 552.998413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.007775] Call Trace: [ 553.010382] dump_stack+0x1fc/0x2ef [ 553.014020] should_fail.cold+0xa/0xf [ 553.017836] ? setup_fault_attr+0x200/0x200 [ 553.022176] ? blk_queue_exit+0x1cd/0x250 [ 553.026338] ? generic_make_request+0x369/0xdf0 [ 553.031024] __should_failslab+0x115/0x180 [ 553.035376] should_failslab+0x5/0x10 [ 553.039188] kmem_cache_alloc+0x3f/0x370 [ 553.043259] ? mempool_alloc+0x350/0x350 [ 553.047325] mempool_alloc+0x146/0x350 [ 553.051221] ? submit_bio+0xb1/0x430 [ 553.055113] ? mempool_resize+0x790/0x790 [ 553.059266] ? generic_make_request+0xdf0/0xdf0 [ 553.063944] ? check_preemption_disabled+0x41/0x280 [ 553.068973] ? guard_bio_eod+0x2a0/0x650 [ 553.073023] bio_alloc_bioset+0x389/0x5e0 [ 553.077156] ? bvec_alloc+0x2f0/0x2f0 [ 553.080945] ? __brelse+0x84/0xa0 [ 553.084386] ? __breadahead_gfp+0xd4/0x130 [ 553.088611] submit_bh_wbc+0x141/0x760 [ 553.092536] __ext4_get_inode_loc+0x5c7/0x10f0 [ 553.097166] ? iget_locked+0x154/0x480 [ 553.101047] __ext4_iget+0x2ef/0x3e00 [ 553.104841] ? __alloc_workqueue_key+0x92d/0xed0 [ 553.109593] ? ext4_get_projid+0x190/0x190 [ 553.113822] ext4_fill_super+0x6f83/0xc820 [ 553.118062] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 553.123194] ? snprintf+0xbb/0xf0 [ 553.126662] ? wait_for_completion_io+0x10/0x10 [ 553.131346] ? set_blocksize+0x163/0x3f0 [ 553.135439] mount_bdev+0x2fc/0x3b0 [ 553.139065] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 553.144166] mount_fs+0xa3/0x310 [ 553.147522] vfs_kern_mount.part.0+0x68/0x470 [ 553.152021] do_mount+0x113c/0x2f10 [ 553.155656] ? cmp_ex_sort+0xc0/0xc0 [ 553.159355] ? __do_page_fault+0x180/0xd60 [ 553.163574] ? copy_mount_string+0x40/0x40 [ 553.167792] ? memset+0x20/0x40 [ 553.171149] ? copy_mount_options+0x26f/0x380 [ 553.175654] ksys_mount+0xcf/0x130 [ 553.179180] __x64_sys_mount+0xba/0x150 [ 553.183139] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 553.187705] do_syscall_64+0xf9/0x620 [ 553.191503] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.196691] RIP: 0033:0x46741a [ 553.199865] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 553.218770] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 553.226565] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 553.233823] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:17 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f01) 14:46:17 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e00) 14:46:17 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x7f01) 14:46:17 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6100) 14:46:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7f000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 553.241116] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 553.248380] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 553.255631] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:17 executing program 0 (fault-call:0 fault-nth:79): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 553.296295] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:46:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7f010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 553.402676] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 553.450832] FAULT_INJECTION: forcing a failure. [ 553.450832] name failslab, interval 1, probability 0, space 0, times 0 [ 553.463863] CPU: 1 PID: 18721 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 553.471766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.481197] Call Trace: [ 553.483783] dump_stack+0x1fc/0x2ef [ 553.487400] should_fail.cold+0xa/0xf [ 553.491192] ? setup_fault_attr+0x200/0x200 [ 553.495499] ? blk_queue_exit+0x1cd/0x250 [ 553.499635] ? generic_make_request+0x369/0xdf0 [ 553.504998] __should_failslab+0x115/0x180 [ 553.509236] should_failslab+0x5/0x10 [ 553.513030] kmem_cache_alloc+0x3f/0x370 [ 553.517081] ? mempool_alloc+0x350/0x350 [ 553.521126] mempool_alloc+0x146/0x350 [ 553.526142] ? submit_bio+0xb1/0x430 [ 553.529849] ? mempool_resize+0x790/0x790 [ 553.533988] ? generic_make_request+0xdf0/0xdf0 [ 553.538906] ? check_preemption_disabled+0x41/0x280 [ 553.543917] ? guard_bio_eod+0x2a0/0x650 [ 553.547970] bio_alloc_bioset+0x389/0x5e0 [ 553.552137] ? bvec_alloc+0x2f0/0x2f0 [ 553.555936] ? __brelse+0x84/0xa0 [ 553.559386] ? __breadahead_gfp+0xd4/0x130 [ 553.563796] submit_bh_wbc+0x141/0x760 [ 553.567682] __ext4_get_inode_loc+0x5c7/0x10f0 [ 553.572258] ? iget_locked+0x154/0x480 [ 553.576140] __ext4_iget+0x2ef/0x3e00 [ 553.579940] ? __alloc_workqueue_key+0x92d/0xed0 [ 553.584689] ? ext4_get_projid+0x190/0x190 [ 553.588926] ext4_fill_super+0x6f83/0xc820 [ 553.593166] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 553.598259] ? snprintf+0xbb/0xf0 [ 553.601706] ? wait_for_completion_io+0x10/0x10 [ 553.606361] ? set_blocksize+0x163/0x3f0 [ 553.610411] mount_bdev+0x2fc/0x3b0 [ 553.614026] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 553.619118] mount_fs+0xa3/0x310 [ 553.622475] vfs_kern_mount.part.0+0x68/0x470 [ 553.626963] do_mount+0x113c/0x2f10 [ 553.630585] ? cmp_ex_sort+0xc0/0xc0 [ 553.634291] ? __do_page_fault+0x180/0xd60 [ 553.638514] ? copy_mount_string+0x40/0x40 [ 553.642744] ? memset+0x20/0x40 [ 553.646028] ? copy_mount_options+0x26f/0x380 [ 553.650598] ksys_mount+0xcf/0x130 [ 553.654139] __x64_sys_mount+0xba/0x150 [ 553.658103] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 553.662673] do_syscall_64+0xf9/0x620 [ 553.666465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.671640] RIP: 0033:0x46741a [ 553.674824] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 553.693720] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 553.701415] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 553.708675] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 553.715938] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 553.723192] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 553.730724] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 553.799996] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue 14:46:18 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8035) 14:46:18 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3e01) 14:46:18 executing program 0 (fault-call:0 fault-nth:80): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:18 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4000) 14:46:18 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6101) [ 553.850023] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 554.000652] FAULT_INJECTION: forcing a failure. [ 554.000652] name failslab, interval 1, probability 0, space 0, times 0 [ 554.011903] CPU: 1 PID: 18766 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 554.019795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.029298] Call Trace: [ 554.031935] dump_stack+0x1fc/0x2ef [ 554.035587] should_fail.cold+0xa/0xf [ 554.039410] ? setup_fault_attr+0x200/0x200 [ 554.043749] ? get_page_from_freelist+0x1e7f/0x4170 [ 554.048782] __should_failslab+0x115/0x180 [ 554.053030] should_failslab+0x5/0x10 [ 554.056845] kmem_cache_alloc+0x3f/0x370 [ 554.061099] radix_tree_node_alloc.constprop.0+0x1e4/0x320 [ 554.066751] radix_tree_extend+0x191/0x4b0 [ 554.071091] ? mem_cgroup_oom_trylock+0x220/0x220 [ 554.076039] __radix_tree_create+0x448/0x540 [ 554.080461] page_cache_tree_insert+0xac/0x3f0 [ 554.085044] ? file_check_and_advance_wb_err+0x3a0/0x3a0 [ 554.090481] ? lock_acquire+0x170/0x3c0 [ 554.094607] ? __add_to_page_cache_locked+0x45e/0xb60 [ 554.099795] __add_to_page_cache_locked+0x46e/0xb60 [ 554.104804] ? page_cache_tree_insert+0x3f0/0x3f0 [ 554.109634] add_to_page_cache_lru+0x16a/0x680 [ 554.114200] ? add_to_page_cache_locked+0x40/0x40 [ 554.119027] ? __page_cache_alloc.part.0+0xb5/0x3f0 [ 554.124027] pagecache_get_page+0x478/0xd50 [ 554.128346] __getblk_slow+0x216/0x9e0 [ 554.132234] __getblk_gfp+0x6b/0x70 [ 554.135843] __ext4_get_inode_loc+0x351/0x10f0 [ 554.140409] ? _raw_spin_unlock+0x29/0x40 [ 554.144535] ? iget_locked+0x154/0x480 [ 554.148404] __ext4_iget+0x2ef/0x3e00 [ 554.152189] ? __alloc_workqueue_key+0x92d/0xed0 [ 554.156947] ? ext4_get_projid+0x190/0x190 [ 554.161171] ext4_fill_super+0x6f83/0xc820 [ 554.165397] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 554.170485] ? snprintf+0xbb/0xf0 [ 554.173941] ? wait_for_completion_io+0x10/0x10 [ 554.178592] ? set_blocksize+0x163/0x3f0 [ 554.182635] mount_bdev+0x2fc/0x3b0 [ 554.186303] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 554.191405] mount_fs+0xa3/0x310 [ 554.194811] vfs_kern_mount.part.0+0x68/0x470 [ 554.199335] do_mount+0x113c/0x2f10 [ 554.202949] ? cmp_ex_sort+0xc0/0xc0 [ 554.206708] ? __do_page_fault+0x180/0xd60 [ 554.210927] ? copy_mount_string+0x40/0x40 [ 554.215163] ? memset+0x20/0x40 [ 554.218425] ? copy_mount_options+0x26f/0x380 [ 554.222903] ksys_mount+0xcf/0x130 [ 554.226424] __x64_sys_mount+0xba/0x150 [ 554.230389] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 554.235049] do_syscall_64+0xf9/0x620 [ 554.238844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.244035] RIP: 0033:0x46741a 14:46:18 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7f020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 554.247216] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 554.266134] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 554.273825] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 554.281077] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 554.288414] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 554.295676] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 554.302926] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:18 executing program 0 (fault-call:0 fault-nth:81): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:18 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7f030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 554.401507] EXT4-fs (loop0): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000002000000,,errors=continue [ 554.415414] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:18 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f00) 14:46:18 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4001) 14:46:18 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6200) 14:46:18 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8100) [ 554.645611] FAULT_INJECTION: forcing a failure. [ 554.645611] name failslab, interval 1, probability 0, space 0, times 0 [ 554.657096] CPU: 1 PID: 18815 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 554.664995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.674353] Call Trace: [ 554.676950] dump_stack+0x1fc/0x2ef [ 554.680584] should_fail.cold+0xa/0xf [ 554.684393] ? setup_fault_attr+0x200/0x200 [ 554.688720] ? lock_acquire+0x170/0x3c0 [ 554.692706] __should_failslab+0x115/0x180 [ 554.696960] should_failslab+0x5/0x10 [ 554.700771] kmem_cache_alloc+0x277/0x370 [ 554.704935] add_system_zone+0x10a/0x4e0 [ 554.709008] ext4_setup_system_zone+0x396/0xac0 [ 554.713688] ? ext4_commit_super+0x6f1/0xb70 [ 554.718110] ? ext4_exit_system_zone+0x20/0x20 [ 554.722708] ? ext4_setup_super+0x5f3/0x9f0 [ 554.727036] ext4_fill_super+0x72e0/0xc820 [ 554.731304] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 554.736420] ? snprintf+0xbb/0xf0 [ 554.739892] ? wait_for_completion_io+0x10/0x10 [ 554.744573] ? set_blocksize+0x163/0x3f0 [ 554.748647] mount_bdev+0x2fc/0x3b0 [ 554.752281] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 554.757394] mount_fs+0xa3/0x310 [ 554.760772] vfs_kern_mount.part.0+0x68/0x470 [ 554.765278] do_mount+0x113c/0x2f10 [ 554.768916] ? cmp_ex_sort+0xc0/0xc0 [ 554.772640] ? __do_page_fault+0x180/0xd60 [ 554.776886] ? copy_mount_string+0x40/0x40 [ 554.781137] ? memset+0x20/0x40 [ 554.784445] ? copy_mount_options+0x26f/0x380 [ 554.788951] ksys_mount+0xcf/0x130 [ 554.792596] __x64_sys_mount+0xba/0x150 [ 554.796583] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 554.801271] do_syscall_64+0xf9/0x620 [ 554.805088] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.810281] RIP: 0033:0x46741a [ 554.813487] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 554.832392] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 554.840110] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 554.847387] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 554.854661] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 554.861939] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 554.869225] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 554.889806] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 554.896061] EXT4-fs (loop0): failed to initialize system zone (-12) [ 554.927198] EXT4-fs (loop0): mount failed 14:46:19 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x80010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:19 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8101) 14:46:19 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6201) 14:46:19 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x3f01) 14:46:19 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4100) 14:46:19 executing program 0 (fault-call:0 fault-nth:82): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:19 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8200) [ 555.142472] FAULT_INJECTION: forcing a failure. [ 555.142472] name failslab, interval 1, probability 0, space 0, times 0 [ 555.157173] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 555.158275] CPU: 1 PID: 18869 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 555.176794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.186150] Call Trace: [ 555.188752] dump_stack+0x1fc/0x2ef 14:46:19 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x80020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 555.192400] should_fail.cold+0xa/0xf [ 555.196307] ? setup_fault_attr+0x200/0x200 [ 555.200647] ? __lock_acquire+0x6de/0x3ff0 [ 555.204899] __should_failslab+0x115/0x180 [ 555.209149] should_failslab+0x5/0x10 [ 555.212962] kmem_cache_alloc+0x3f/0x370 [ 555.217029] ? mempool_alloc+0x350/0x350 [ 555.221097] mempool_alloc+0x146/0x350 [ 555.225021] ? mark_held_locks+0xf0/0xf0 [ 555.229091] ? mempool_resize+0x790/0x790 [ 555.233251] ? kernel_fpu_enable+0x1f/0x40 [ 555.237500] ? kernel_fpu_end+0x11b/0x170 [ 555.241660] ? kernel_fpu_enable+0x40/0x40 [ 555.245911] ? locked_inode_to_wb_and_lock_list+0x1d9/0x980 [ 555.251752] bio_alloc_bioset+0x389/0x5e0 [ 555.255913] ? bvec_alloc+0x2f0/0x2f0 [ 555.259728] ? mark_held_locks+0xa6/0xf0 [ 555.263802] ? __local_bh_enable_ip+0x159/0x270 [ 555.268492] submit_bh_wbc+0x141/0x760 [ 555.272410] __sync_dirty_buffer+0x14e/0x320 [ 555.277313] ext4_commit_super+0x771/0xb70 [ 555.281558] ext4_setup_super+0x584/0x9f0 [ 555.285714] ext4_fill_super+0x70cd/0xc820 [ 555.289985] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 555.295105] ? snprintf+0xbb/0xf0 [ 555.298577] ? wait_for_completion_io+0x10/0x10 [ 555.303448] ? set_blocksize+0x163/0x3f0 [ 555.307699] mount_bdev+0x2fc/0x3b0 [ 555.311334] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 555.316452] mount_fs+0xa3/0x310 [ 555.319923] vfs_kern_mount.part.0+0x68/0x470 [ 555.324439] do_mount+0x113c/0x2f10 [ 555.328075] ? cmp_ex_sort+0xc0/0xc0 [ 555.332409] ? __do_page_fault+0x180/0xd60 [ 555.337699] ? copy_mount_string+0x40/0x40 [ 555.341951] ? memset+0x20/0x40 [ 555.345242] ? copy_mount_options+0x26f/0x380 [ 555.349753] ksys_mount+0xcf/0x130 [ 555.353304] __x64_sys_mount+0xba/0x150 [ 555.357283] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 555.361866] do_syscall_64+0xf9/0x620 [ 555.365682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.370877] RIP: 0033:0x46741a [ 555.374079] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 14:46:19 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4000) 14:46:19 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8201) [ 555.392987] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 555.400714] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 555.407989] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 555.415264] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 555.422543] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 555.431297] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:19 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4101) 14:46:19 executing program 0 (fault-call:0 fault-nth:83): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:19 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6300) 14:46:19 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x80030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 555.656481] FAULT_INJECTION: forcing a failure. [ 555.656481] name failslab, interval 1, probability 0, space 0, times 0 [ 555.689205] CPU: 0 PID: 18934 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 555.697132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.706498] Call Trace: [ 555.709104] dump_stack+0x1fc/0x2ef [ 555.712736] should_fail.cold+0xa/0xf [ 555.716542] ? setup_fault_attr+0x200/0x200 [ 555.720876] ? lock_acquire+0x170/0x3c0 [ 555.724873] __should_failslab+0x115/0x180 [ 555.729126] should_failslab+0x5/0x10 [ 555.733908] kmem_cache_alloc+0x277/0x370 [ 555.738075] add_system_zone+0x10a/0x4e0 [ 555.742176] ext4_setup_system_zone+0x1c0/0xac0 [ 555.746863] ? ext4_commit_super+0x6f1/0xb70 [ 555.751288] ? ext4_exit_system_zone+0x20/0x20 [ 555.755982] ? ext4_setup_super+0x5f3/0x9f0 [ 555.760320] ext4_fill_super+0x72e0/0xc820 [ 555.764594] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 555.769711] ? snprintf+0xbb/0xf0 [ 555.773182] ? wait_for_completion_io+0x10/0x10 [ 555.777858] ? set_blocksize+0x163/0x3f0 [ 555.781956] mount_bdev+0x2fc/0x3b0 [ 555.785594] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 555.790708] mount_fs+0xa3/0x310 [ 555.794090] vfs_kern_mount.part.0+0x68/0x470 [ 555.798597] do_mount+0x113c/0x2f10 [ 555.802235] ? cmp_ex_sort+0xc0/0xc0 [ 555.805969] ? __do_page_fault+0x180/0xd60 [ 555.810219] ? copy_mount_string+0x40/0x40 [ 555.814476] ? memset+0x20/0x40 [ 555.817767] ? copy_mount_options+0x26f/0x380 [ 555.822274] ksys_mount+0xcf/0x130 [ 555.825830] __x64_sys_mount+0xba/0x150 [ 555.829824] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 555.834405] do_syscall_64+0xf9/0x620 [ 555.838196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.843381] RIP: 0033:0x46741a 14:46:20 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8300) [ 555.846557] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 555.865442] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 555.873133] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 555.880391] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 555.887650] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 555.894907] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:20 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4001) 14:46:20 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4200) 14:46:20 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6301) [ 555.902163] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 555.917080] EXT4-fs (loop0): failed to initialize system zone (-12) [ 555.923545] EXT4-fs (loop0): mount failed 14:46:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x81000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:20 executing program 0 (fault-call:0 fault-nth:84): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:20 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6400) 14:46:20 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8301) 14:46:20 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4100) 14:46:20 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4201) 14:46:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x81010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 556.184745] FAULT_INJECTION: forcing a failure. [ 556.184745] name failslab, interval 1, probability 0, space 0, times 0 [ 556.227070] CPU: 1 PID: 19004 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 556.234999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.244345] Call Trace: [ 556.246934] dump_stack+0x1fc/0x2ef [ 556.250552] should_fail.cold+0xa/0xf [ 556.254345] ? setup_fault_attr+0x200/0x200 [ 556.258671] ? lock_acquire+0x170/0x3c0 [ 556.262636] __should_failslab+0x115/0x180 [ 556.266862] should_failslab+0x5/0x10 [ 556.270666] __kmalloc+0x2ab/0x3c0 [ 556.274210] ? ext4_mb_init+0x114/0x1790 [ 556.278258] ext4_mb_init+0x114/0x1790 [ 556.282154] ? ext4_setup_super+0x5f3/0x9f0 [ 556.286468] ext4_fill_super+0x7308/0xc820 [ 556.290728] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 556.295830] ? snprintf+0xbb/0xf0 [ 556.299279] ? wait_for_completion_io+0x10/0x10 [ 556.303940] ? set_blocksize+0x163/0x3f0 [ 556.308000] mount_bdev+0x2fc/0x3b0 [ 556.311629] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 556.316721] mount_fs+0xa3/0x310 [ 556.320094] vfs_kern_mount.part.0+0x68/0x470 [ 556.324599] do_mount+0x113c/0x2f10 [ 556.328217] ? cmp_ex_sort+0xc0/0xc0 [ 556.331933] ? __do_page_fault+0x180/0xd60 [ 556.336156] ? copy_mount_string+0x40/0x40 [ 556.340386] ? memset+0x20/0x40 [ 556.343654] ? copy_mount_options+0x26f/0x380 [ 556.348138] ksys_mount+0xcf/0x130 [ 556.351669] __x64_sys_mount+0xba/0x150 [ 556.356068] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 556.360638] do_syscall_64+0xf9/0x620 [ 556.364431] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.369618] RIP: 0033:0x46741a [ 556.372803] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 556.391776] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 556.399487] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 556.406759] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 556.414017] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 556.421290] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 556.428547] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:20 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8400) [ 556.530160] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 556.541341] EXT4-fs (loop0): mount failed 14:46:20 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6401) 14:46:20 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4101) 14:46:20 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4300) 14:46:20 executing program 0 (fault-call:0 fault-nth:85): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x81020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:20 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4301) 14:46:21 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8401) 14:46:21 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4200) 14:46:21 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6500) [ 556.841357] FAULT_INJECTION: forcing a failure. [ 556.841357] name failslab, interval 1, probability 0, space 0, times 0 [ 556.923231] CPU: 0 PID: 19075 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 556.931198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.940558] Call Trace: [ 556.943165] dump_stack+0x1fc/0x2ef [ 556.946811] should_fail.cold+0xa/0xf [ 556.950630] ? setup_fault_attr+0x200/0x200 [ 556.954964] ? lock_acquire+0x170/0x3c0 [ 556.958963] __should_failslab+0x115/0x180 [ 556.963209] should_failslab+0x5/0x10 [ 556.967021] kmem_cache_alloc+0x277/0x370 [ 556.971190] add_system_zone+0x10a/0x4e0 [ 556.975268] ext4_setup_system_zone+0x1c0/0xac0 [ 556.979962] ? ext4_commit_super+0x6f1/0xb70 [ 556.984391] ? ext4_exit_system_zone+0x20/0x20 [ 556.988991] ? ext4_setup_super+0x5f3/0x9f0 [ 556.993345] ext4_fill_super+0x72e0/0xc820 [ 556.997598] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 557.004704] ? snprintf+0xbb/0xf0 [ 557.008304] ? wait_for_completion_io+0x10/0x10 [ 557.012990] ? set_blocksize+0x163/0x3f0 [ 557.017091] mount_bdev+0x2fc/0x3b0 [ 557.020736] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 557.025858] mount_fs+0xa3/0x310 [ 557.029246] vfs_kern_mount.part.0+0x68/0x470 [ 557.033756] do_mount+0x113c/0x2f10 [ 557.037402] ? cmp_ex_sort+0xc0/0xc0 [ 557.041130] ? __do_page_fault+0x180/0xd60 [ 557.045381] ? copy_mount_string+0x40/0x40 [ 557.049637] ? memset+0x20/0x40 [ 557.052929] ? copy_mount_options+0x26f/0x380 [ 557.057459] ksys_mount+0xcf/0x130 [ 557.061014] __x64_sys_mount+0xba/0x150 [ 557.065003] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 557.069596] do_syscall_64+0xf9/0x620 14:46:21 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4400) [ 557.073413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.078607] RIP: 0033:0x46741a [ 557.081809] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 557.102032] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 557.109767] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 557.117051] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:21 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x81030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 557.124331] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 557.131611] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 557.138893] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 557.161722] nla_parse: 77 callbacks suppressed [ 557.161732] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 557.197534] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 557.241868] EXT4-fs (loop0): failed to initialize system zone (-12) [ 557.253003] EXT4-fs (loop0): mount failed [ 557.255052] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:46:21 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x82000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:21 executing program 0 (fault-call:0 fault-nth:86): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 557.287503] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 14:46:21 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8500) [ 557.387748] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 557.406587] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:21 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6501) [ 557.432497] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 557.443832] FAULT_INJECTION: forcing a failure. [ 557.443832] name failslab, interval 1, probability 0, space 0, times 0 [ 557.480566] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 557.491365] CPU: 1 PID: 19159 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 557.499305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.508666] Call Trace: [ 557.511276] dump_stack+0x1fc/0x2ef [ 557.514935] should_fail.cold+0xa/0xf [ 557.518779] ? setup_fault_attr+0x200/0x200 [ 557.523112] ? __lock_acquire+0x6de/0x3ff0 14:46:21 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4401) 14:46:21 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4201) 14:46:21 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8501) [ 557.527360] __should_failslab+0x115/0x180 [ 557.531611] should_failslab+0x5/0x10 [ 557.535420] kmem_cache_alloc+0x3f/0x370 [ 557.539521] ? mempool_alloc+0x350/0x350 [ 557.542704] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 557.543671] mempool_alloc+0x146/0x350 [ 557.543693] ? mark_held_locks+0xf0/0xf0 [ 557.543706] ? mempool_resize+0x790/0x790 [ 557.543723] ? kernel_fpu_enable+0x1f/0x40 [ 557.543737] ? kernel_fpu_end+0x11b/0x170 [ 557.543753] ? kernel_fpu_enable+0x40/0x40 [ 557.543770] ? locked_inode_to_wb_and_lock_list+0x1d9/0x980 [ 557.543796] bio_alloc_bioset+0x389/0x5e0 [ 557.587148] ? bvec_alloc+0x2f0/0x2f0 [ 557.590951] ? mark_held_locks+0xa6/0xf0 [ 557.595014] ? __local_bh_enable_ip+0x159/0x270 [ 557.599688] submit_bh_wbc+0x141/0x760 [ 557.603683] __sync_dirty_buffer+0x14e/0x320 [ 557.608090] ext4_commit_super+0x771/0xb70 [ 557.612313] ext4_setup_super+0x584/0x9f0 [ 557.616461] ext4_fill_super+0x70cd/0xc820 [ 557.620744] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 557.625857] ? snprintf+0xbb/0xf0 [ 557.629319] ? wait_for_completion_io+0x10/0x10 [ 557.633993] ? set_blocksize+0x163/0x3f0 [ 557.638052] mount_bdev+0x2fc/0x3b0 [ 557.641666] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 557.646755] mount_fs+0xa3/0x310 [ 557.650110] vfs_kern_mount.part.0+0x68/0x470 [ 557.654600] do_mount+0x113c/0x2f10 [ 557.658234] ? cmp_ex_sort+0xc0/0xc0 [ 557.661959] ? __do_page_fault+0x180/0xd60 [ 557.666194] ? copy_mount_string+0x40/0x40 [ 557.670434] ? memset+0x20/0x40 [ 557.673706] ? copy_mount_options+0x26f/0x380 [ 557.678232] ksys_mount+0xcf/0x130 [ 557.681755] __x64_sys_mount+0xba/0x150 [ 557.685716] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 557.690291] do_syscall_64+0xf9/0x620 [ 557.694089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.699271] RIP: 0033:0x46741a [ 557.702463] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 557.721365] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 557.729062] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 557.736327] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 557.743601] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 557.750880] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 557.758133] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:21 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x82010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:22 executing program 0 (fault-call:0 fault-nth:87): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 557.831336] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:22 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x82020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 557.964960] FAULT_INJECTION: forcing a failure. [ 557.964960] name failslab, interval 1, probability 0, space 0, times 0 [ 558.014448] CPU: 1 PID: 19208 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 558.022378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.031839] Call Trace: [ 558.034445] dump_stack+0x1fc/0x2ef [ 558.038266] should_fail.cold+0xa/0xf [ 558.042086] ? setup_fault_attr+0x200/0x200 [ 558.046458] ? lock_acquire+0x170/0x3c0 [ 558.050452] __should_failslab+0x115/0x180 [ 558.054700] should_failslab+0x5/0x10 [ 558.058509] __kmalloc+0x2ab/0x3c0 [ 558.062057] ? ext4_mb_init+0x114/0x1790 [ 558.066137] ext4_mb_init+0x114/0x1790 [ 558.070042] ? ext4_setup_super+0x5f3/0x9f0 [ 558.074375] ext4_fill_super+0x7308/0xc820 [ 558.078647] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 558.083851] ? snprintf+0xbb/0xf0 [ 558.087326] ? wait_for_completion_io+0x10/0x10 [ 558.092006] ? set_blocksize+0x163/0x3f0 [ 558.096089] mount_bdev+0x2fc/0x3b0 [ 558.099826] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 558.104942] mount_fs+0xa3/0x310 [ 558.108329] vfs_kern_mount.part.0+0x68/0x470 [ 558.112840] do_mount+0x113c/0x2f10 [ 558.116481] ? cmp_ex_sort+0xc0/0xc0 [ 558.120205] ? __do_page_fault+0x180/0xd60 [ 558.124454] ? copy_mount_string+0x40/0x40 [ 558.128711] ? memset+0x20/0x40 [ 558.132003] ? copy_mount_options+0x26f/0x380 [ 558.136510] ksys_mount+0xcf/0x130 [ 558.140064] __x64_sys_mount+0xba/0x150 [ 558.144059] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 558.148654] do_syscall_64+0xf9/0x620 [ 558.152469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.157659] RIP: 0033:0x46741a 14:46:22 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6558) 14:46:22 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4300) [ 558.160871] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 558.179770] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 558.187493] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 558.194885] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 558.202159] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 558.210216] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 558.217515] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:22 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4500) 14:46:22 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8600) [ 558.274874] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 558.281075] EXT4-fs (loop0): mount failed 14:46:22 executing program 0 (fault-call:0 fault-nth:88): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:22 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x82030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:22 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4301) 14:46:22 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6600) 14:46:22 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4501) [ 558.525659] FAULT_INJECTION: forcing a failure. [ 558.525659] name failslab, interval 1, probability 0, space 0, times 0 [ 558.563690] CPU: 0 PID: 19263 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 558.571616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.580979] Call Trace: [ 558.583588] dump_stack+0x1fc/0x2ef [ 558.587239] should_fail.cold+0xa/0xf [ 558.591056] ? setup_fault_attr+0x200/0x200 [ 558.595394] ? lock_acquire+0x170/0x3c0 [ 558.599390] __should_failslab+0x115/0x180 [ 558.603642] should_failslab+0x5/0x10 [ 558.607464] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 558.612583] __kmalloc_node+0x38/0x70 [ 558.616399] kvmalloc_node+0x61/0xf0 [ 558.620128] ext4_mb_alloc_groupinfo+0x112/0x4b0 [ 558.624903] ext4_mb_init+0x985/0x1790 [ 558.628813] ext4_fill_super+0x7308/0xc820 [ 558.633089] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 558.638196] ? snprintf+0xbb/0xf0 [ 558.641668] ? wait_for_completion_io+0x10/0x10 [ 558.646343] ? set_blocksize+0x163/0x3f0 [ 558.650423] mount_bdev+0x2fc/0x3b0 [ 558.654064] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 558.659177] mount_fs+0xa3/0x310 [ 558.662561] vfs_kern_mount.part.0+0x68/0x470 [ 558.667076] do_mount+0x113c/0x2f10 [ 558.670720] ? cmp_ex_sort+0xc0/0xc0 14:46:22 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4600) [ 558.674445] ? __do_page_fault+0x180/0xd60 [ 558.678688] ? copy_mount_string+0x40/0x40 [ 558.682943] ? memset+0x20/0x40 [ 558.686234] ? copy_mount_options+0x26f/0x380 [ 558.690742] ksys_mount+0xcf/0x130 [ 558.694294] __x64_sys_mount+0xba/0x150 [ 558.698278] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 558.702867] do_syscall_64+0xf9/0x620 [ 558.706683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.711874] RIP: 0033:0x46741a 14:46:22 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x83000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 558.715077] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 558.734160] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 558.741881] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 558.749159] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 558.756442] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 558.763717] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 14:46:22 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8601) [ 558.770993] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:23 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4400) 14:46:23 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4601) [ 558.872020] EXT4-fs (loop0): can't allocate buddy meta group [ 558.888800] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 558.901668] EXT4-fs (loop0): mount failed 14:46:23 executing program 0 (fault-call:0 fault-nth:89): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:23 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8700) 14:46:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x83010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x83020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 559.110337] FAULT_INJECTION: forcing a failure. [ 559.110337] name failslab, interval 1, probability 0, space 0, times 0 [ 559.141531] CPU: 1 PID: 19353 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 559.149495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 14:46:23 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6601) 14:46:23 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4700) [ 559.158858] Call Trace: [ 559.161467] dump_stack+0x1fc/0x2ef [ 559.165113] should_fail.cold+0xa/0xf [ 559.168955] ? setup_fault_attr+0x200/0x200 [ 559.173289] ? lock_acquire+0x170/0x3c0 [ 559.177281] __should_failslab+0x115/0x180 [ 559.181532] should_failslab+0x5/0x10 [ 559.186308] __kmalloc+0x2ab/0x3c0 [ 559.189871] ? ext4_mb_init+0x92/0x1790 [ 559.193865] ? ext4_commit_super+0x6f1/0xb70 [ 559.198292] ext4_mb_init+0x92/0x1790 [ 559.202109] ? ext4_setup_super+0x5f3/0x9f0 [ 559.206446] ext4_fill_super+0x7308/0xc820 [ 559.210721] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 559.215841] ? snprintf+0xbb/0xf0 [ 559.219314] ? wait_for_completion_io+0x10/0x10 [ 559.224007] ? set_blocksize+0x163/0x3f0 [ 559.228088] mount_bdev+0x2fc/0x3b0 [ 559.231728] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 559.236846] mount_fs+0xa3/0x310 [ 559.240313] vfs_kern_mount.part.0+0x68/0x470 [ 559.244818] do_mount+0x113c/0x2f10 [ 559.248625] ? cmp_ex_sort+0xc0/0xc0 [ 559.252368] ? __do_page_fault+0x180/0xd60 [ 559.256608] ? copy_mount_string+0x40/0x40 [ 559.260864] ? memset+0x20/0x40 [ 559.264143] ? copy_mount_options+0x26f/0x380 [ 559.268643] ksys_mount+0xcf/0x130 [ 559.272175] __x64_sys_mount+0xba/0x150 [ 559.276139] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 559.280723] do_syscall_64+0xf9/0x620 [ 559.284526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.289698] RIP: 0033:0x46741a 14:46:23 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4401) 14:46:23 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8701) [ 559.292891] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 559.311794] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 559.319833] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 559.327087] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 559.335152] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 559.342408] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 559.349666] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:23 executing program 0 (fault-call:0 fault-nth:90): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 559.363679] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 559.373552] EXT4-fs (loop0): mount failed 14:46:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x83030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 559.509595] FAULT_INJECTION: forcing a failure. [ 559.509595] name failslab, interval 1, probability 0, space 0, times 0 [ 559.521489] CPU: 0 PID: 19405 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 559.529399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 559.538761] Call Trace: [ 559.541367] dump_stack+0x1fc/0x2ef [ 559.545352] should_fail.cold+0xa/0xf [ 559.549251] ? setup_fault_attr+0x200/0x200 [ 559.553581] ? lock_acquire+0x170/0x3c0 14:46:23 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4500) [ 559.557573] __should_failslab+0x115/0x180 [ 559.561824] should_failslab+0x5/0x10 [ 559.565634] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 559.571709] __kmalloc_node+0x38/0x70 [ 559.575515] kvmalloc_node+0x61/0xf0 [ 559.579240] ext4_mb_alloc_groupinfo+0x112/0x4b0 [ 559.584653] ext4_mb_init+0x985/0x1790 [ 559.588562] ext4_fill_super+0x7308/0xc820 [ 559.592836] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 559.597952] ? snprintf+0xbb/0xf0 [ 559.601406] ? wait_for_completion_io+0x10/0x10 [ 559.606071] ? set_blocksize+0x163/0x3f0 14:46:23 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8800) 14:46:23 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4701) [ 559.610130] mount_bdev+0x2fc/0x3b0 [ 559.613746] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 559.618852] mount_fs+0xa3/0x310 [ 559.622225] vfs_kern_mount.part.0+0x68/0x470 [ 559.626725] do_mount+0x113c/0x2f10 [ 559.630392] ? cmp_ex_sort+0xc0/0xc0 [ 559.634115] ? __do_page_fault+0x180/0xd60 [ 559.638381] ? copy_mount_string+0x40/0x40 [ 559.642637] ? memset+0x20/0x40 [ 559.645931] ? copy_mount_options+0x26f/0x380 [ 559.650447] ksys_mount+0xcf/0x130 [ 559.654037] __x64_sys_mount+0xba/0x150 [ 559.658022] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 559.662615] do_syscall_64+0xf9/0x620 [ 559.666472] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.671684] RIP: 0033:0x46741a [ 559.674861] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 559.693746] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 559.701436] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 559.708694] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 559.715959] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 559.723211] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 559.730579] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:23 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6700) [ 559.765756] EXT4-fs (loop0): can't allocate buddy meta group [ 559.771645] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 559.780451] EXT4-fs (loop0): mount failed 14:46:23 executing program 0 (fault-call:0 fault-nth:91): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:24 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x84000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 559.979520] FAULT_INJECTION: forcing a failure. [ 559.979520] name failslab, interval 1, probability 0, space 0, times 0 [ 560.011534] CPU: 0 PID: 19453 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 560.019467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.028831] Call Trace: [ 560.031438] dump_stack+0x1fc/0x2ef [ 560.035080] should_fail.cold+0xa/0xf [ 560.038881] ? setup_fault_attr+0x200/0x200 [ 560.043194] ? lock_acquire+0x170/0x3c0 [ 560.047165] __should_failslab+0x115/0x180 [ 560.051394] should_failslab+0x5/0x10 [ 560.055185] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 560.060283] __kmalloc_node+0x38/0x70 [ 560.064076] kvmalloc_node+0x61/0xf0 [ 560.067786] ext4_mb_alloc_groupinfo+0x112/0x4b0 [ 560.072536] ext4_mb_init+0x985/0x1790 [ 560.076421] ext4_fill_super+0x7308/0xc820 [ 560.080683] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 560.086816] ? snprintf+0xbb/0xf0 [ 560.090267] ? wait_for_completion_io+0x10/0x10 [ 560.094926] ? set_blocksize+0x163/0x3f0 [ 560.098979] mount_bdev+0x2fc/0x3b0 [ 560.102594] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 560.107685] mount_fs+0xa3/0x310 [ 560.111046] vfs_kern_mount.part.0+0x68/0x470 [ 560.115549] do_mount+0x113c/0x2f10 [ 560.119165] ? cmp_ex_sort+0xc0/0xc0 [ 560.122883] ? __do_page_fault+0x180/0xd60 [ 560.127197] ? copy_mount_string+0x40/0x40 [ 560.131442] ? memset+0x20/0x40 [ 560.134713] ? copy_mount_options+0x26f/0x380 [ 560.139198] ksys_mount+0xcf/0x130 [ 560.142730] __x64_sys_mount+0xba/0x150 [ 560.146782] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 560.151375] do_syscall_64+0xf9/0x620 [ 560.155185] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.160374] RIP: 0033:0x46741a [ 560.163570] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 560.182474] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 560.190187] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 560.197463] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 560.204743] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 560.212008] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 560.219269] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:24 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4800) 14:46:24 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8801) 14:46:24 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4501) 14:46:24 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6701) [ 560.289885] EXT4-fs (loop0): can't allocate buddy meta group [ 560.302482] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 560.332282] EXT4-fs (loop0): mount failed [ 560.338537] EXT4-fs mount: 15 callbacks suppressed [ 560.338555] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:24 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x84010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:24 executing program 0 (fault-call:0 fault-nth:92): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:24 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4801) 14:46:24 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4600) 14:46:24 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8900) 14:46:24 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6800) [ 560.574429] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:24 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x84020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 560.619204] FAULT_INJECTION: forcing a failure. [ 560.619204] name failslab, interval 1, probability 0, space 0, times 0 [ 560.660527] CPU: 1 PID: 19519 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 560.668452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.677811] Call Trace: [ 560.680421] dump_stack+0x1fc/0x2ef [ 560.684070] should_fail.cold+0xa/0xf [ 560.687883] ? setup_fault_attr+0x200/0x200 [ 560.692210] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 560.697335] __should_failslab+0x115/0x180 [ 560.701597] should_failslab+0x5/0x10 [ 560.705416] __kmalloc+0x2ab/0x3c0 [ 560.708970] ? ext4_mb_add_groupinfo+0x160/0xe90 [ 560.713744] ext4_mb_add_groupinfo+0x160/0xe90 [ 560.718340] ? ext4_get_group_desc+0x29c/0x4e0 [ 560.722936] ext4_mb_init+0xb58/0x1790 [ 560.726846] ext4_fill_super+0x7308/0xc820 [ 560.731122] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 560.736237] ? snprintf+0xbb/0xf0 [ 560.739713] ? wait_for_completion_io+0x10/0x10 [ 560.744480] ? set_blocksize+0x163/0x3f0 [ 560.748582] mount_bdev+0x2fc/0x3b0 [ 560.752217] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 560.757334] mount_fs+0xa3/0x310 14:46:24 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8901) [ 560.760717] vfs_kern_mount.part.0+0x68/0x470 [ 560.765339] do_mount+0x113c/0x2f10 [ 560.768985] ? cmp_ex_sort+0xc0/0xc0 [ 560.772713] ? __do_page_fault+0x180/0xd60 [ 560.776962] ? copy_mount_string+0x40/0x40 [ 560.781219] ? memset+0x20/0x40 [ 560.784540] ? copy_mount_options+0x26f/0x380 [ 560.789049] ksys_mount+0xcf/0x130 [ 560.792604] __x64_sys_mount+0xba/0x150 [ 560.796621] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 560.801212] do_syscall_64+0xf9/0x620 [ 560.805047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.810240] RIP: 0033:0x46741a [ 560.813443] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 560.832580] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 560.840320] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 560.847591] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 560.854884] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 560.862160] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 560.869439] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:25 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4601) 14:46:25 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4900) 14:46:25 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6801) [ 560.929781] EXT4-fs (loop0): can't allocate mem for a buddy group [ 560.937281] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 560.945247] EXT4-fs (loop0): mount failed 14:46:25 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8a00) 14:46:25 executing program 0 (fault-call:0 fault-nth:93): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x84030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 561.060431] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 561.135736] FAULT_INJECTION: forcing a failure. [ 561.135736] name failslab, interval 1, probability 0, space 0, times 0 [ 561.147384] CPU: 1 PID: 19583 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 561.155282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.164641] Call Trace: [ 561.167248] dump_stack+0x1fc/0x2ef [ 561.170895] should_fail.cold+0xa/0xf [ 561.174711] ? setup_fault_attr+0x200/0x200 [ 561.179043] ? ext4_mb_add_groupinfo+0x364/0xe90 [ 561.183861] __should_failslab+0x115/0x180 [ 561.188122] should_failslab+0x5/0x10 [ 561.191930] kmem_cache_alloc+0x277/0x370 [ 561.196215] ext4_mb_add_groupinfo+0x3ea/0xe90 [ 561.200815] ext4_mb_init+0xb58/0x1790 [ 561.204726] ext4_fill_super+0x7308/0xc820 [ 561.209000] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 561.214119] ? snprintf+0xbb/0xf0 [ 561.217591] ? wait_for_completion_io+0x10/0x10 [ 561.222272] ? set_blocksize+0x163/0x3f0 [ 561.226346] mount_bdev+0x2fc/0x3b0 [ 561.230766] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 561.235880] mount_fs+0xa3/0x310 [ 561.239259] vfs_kern_mount.part.0+0x68/0x470 [ 561.243766] do_mount+0x113c/0x2f10 [ 561.247432] ? cmp_ex_sort+0xc0/0xc0 [ 561.251154] ? __do_page_fault+0x180/0xd60 [ 561.255402] ? copy_mount_string+0x40/0x40 [ 561.259690] ? memset+0x20/0x40 [ 561.262983] ? copy_mount_options+0x26f/0x380 [ 561.267507] ksys_mount+0xcf/0x130 [ 561.271061] __x64_sys_mount+0xba/0x150 [ 561.275052] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 561.279650] do_syscall_64+0xf9/0x620 [ 561.283466] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.288656] RIP: 0033:0x46741a [ 561.291858] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 561.310763] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 561.318481] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 561.325757] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 14:46:25 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4700) 14:46:25 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6900) [ 561.333033] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 561.340310] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 561.347598] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 14:46:25 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4901) 14:46:25 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8a01) [ 561.409699] EXT4-fs (loop0): can't allocate buddy mem [ 561.438354] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 561.449192] EXT4-fs (loop0): mount failed [ 561.486538] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue 14:46:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x85000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:25 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8b00) 14:46:25 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4a00) 14:46:25 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6901) 14:46:25 executing program 0 (fault-call:0 fault-nth:94): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) 14:46:25 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4701) 14:46:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x85010000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 561.754190] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 561.779877] FAULT_INJECTION: forcing a failure. [ 561.779877] name failslab, interval 1, probability 0, space 0, times 0 14:46:26 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4800) 14:46:26 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6a00) [ 561.808315] CPU: 1 PID: 19659 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 561.816237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.825711] Call Trace: [ 561.828323] dump_stack+0x1fc/0x2ef [ 561.831954] should_fail.cold+0xa/0xf [ 561.835764] ? setup_fault_attr+0x200/0x200 [ 561.840108] ? lock_acquire+0x170/0x3c0 [ 561.844102] __should_failslab+0x115/0x180 [ 561.848353] should_failslab+0x5/0x10 [ 561.852163] __kmalloc+0x2ab/0x3c0 14:46:26 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4a01) [ 561.855708] ? ext4_mb_init+0x114/0x1790 [ 561.859835] ext4_mb_init+0x114/0x1790 [ 561.863736] ? ext4_setup_super+0x5f3/0x9f0 [ 561.868070] ext4_fill_super+0x7308/0xc820 [ 561.872350] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 561.877468] ? snprintf+0xbb/0xf0 [ 561.880945] ? wait_for_completion_io+0x10/0x10 [ 561.885624] ? set_blocksize+0x163/0x3f0 [ 561.889703] mount_bdev+0x2fc/0x3b0 [ 561.893344] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 561.898461] mount_fs+0xa3/0x310 [ 561.901843] vfs_kern_mount.part.0+0x68/0x470 [ 561.906348] do_mount+0x113c/0x2f10 [ 561.909973] ? cmp_ex_sort+0xc0/0xc0 [ 561.913674] ? __do_page_fault+0x180/0xd60 [ 561.917905] ? copy_mount_string+0x40/0x40 [ 561.922134] ? memset+0x20/0x40 [ 561.925415] ? copy_mount_options+0x26f/0x380 [ 561.929901] ksys_mount+0xcf/0x130 [ 561.933429] __x64_sys_mount+0xba/0x150 [ 561.937392] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 561.941963] do_syscall_64+0xf9/0x620 [ 561.945756] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.950932] RIP: 0033:0x46741a 14:46:26 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8b01) [ 561.954108] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 561.972995] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 561.980694] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 561.988063] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 561.995316] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 562.002574] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 562.009843] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 562.039784] EXT4-fs (loop0): failed to initialize mballoc (-12) [ 562.061253] EXT4-fs (loop0): mount failed 14:46:26 executing program 0 (fault-call:0 fault-nth:95): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x2000000}}]}) [ 562.146168] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 562.177442] FAULT_INJECTION: forcing a failure. [ 562.177442] name failslab, interval 1, probability 0, space 0, times 0 [ 562.192472] CPU: 1 PID: 19725 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 562.195239] nla_parse: 92 callbacks suppressed [ 562.195248] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 562.200732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.200738] Call Trace: [ 562.200763] dump_stack+0x1fc/0x2ef [ 562.200781] should_fail.cold+0xa/0xf [ 562.233303] ? setup_fault_attr+0x200/0x200 [ 562.237635] ? lock_acquire+0x170/0x3c0 [ 562.241624] __should_failslab+0x115/0x180 [ 562.245873] should_failslab+0x5/0x10 [ 562.249686] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 562.254813] __kmalloc_node+0x38/0x70 [ 562.258632] kvmalloc_node+0x61/0xf0 [ 562.262360] ext4_alloc_flex_bg_array+0x119/0x620 [ 562.267216] ext4_fill_super+0xbddf/0xc820 [ 562.271491] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 562.276606] ? snprintf+0xbb/0xf0 [ 562.280076] ? wait_for_completion_io+0x10/0x10 [ 562.284755] ? set_blocksize+0x163/0x3f0 [ 562.288837] mount_bdev+0x2fc/0x3b0 [ 562.292475] ? ext4_calculate_overhead+0x11c0/0x11c0 [ 562.297589] mount_fs+0xa3/0x310 [ 562.300972] vfs_kern_mount.part.0+0x68/0x470 [ 562.305483] do_mount+0x113c/0x2f10 [ 562.309120] ? cmp_ex_sort+0xc0/0xc0 [ 562.312848] ? __do_page_fault+0x180/0xd60 [ 562.317093] ? copy_mount_string+0x40/0x40 [ 562.321436] ? memset+0x20/0x40 [ 562.324733] ? copy_mount_options+0x26f/0x380 [ 562.329243] ksys_mount+0xcf/0x130 [ 562.332829] __x64_sys_mount+0xba/0x150 [ 562.336819] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 562.341412] do_syscall_64+0xf9/0x620 14:46:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x85020000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 562.345230] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.350511] RIP: 0033:0x46741a [ 562.353712] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 562.373057] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 562.380781] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 562.388075] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 562.395357] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 562.402636] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 562.409921] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 562.428255] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 14:46:26 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4b00) 14:46:26 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8c00) [ 562.449982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 562.469882] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 562.486021] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 14:46:26 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4801) [ 562.493582] EXT4-fs (loop0): not enough memory for 1 flex group pointers [ 562.509795] EXT4-fs (loop0): unable to initialize flex_bg meta info! [ 562.532550] EXT4-fs (loop0): mount failed 14:46:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x85030000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000d90000000f0000000100000000000000000000000020000000200000200000002cc4645f2cc4645f0100ffff53ef0100010000002cc4645f000000000000000001000000000000000b0000008000000038000000c20200006b0400000000000000000000000000000000000073797a6b616c6c6572000000000000002f746d702f73797a2d696d61676567656e3338363633343038350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000d9ca5cac99fd4329af4dde786c1a5d13010040000c000000000000002cc4645f", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) 14:46:26 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6a01) [ 562.561840] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 562.577301] kasan: CONFIG_KASAN_INLINE enabled [ 562.599488] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 562.608645] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 562.622547] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 562.628813] CPU: 1 PID: 19725 Comm: syz-executor.0 Not tainted 4.19.177-syzkaller #0 [ 562.636694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.646064] RIP: 0010:mount_fs+0xe0/0x310 [ 562.650221] Code: 81 fc 00 f0 ff ff 0f 87 eb 01 00 00 e8 b9 17 bf ff 49 8d bc 24 c8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ed 01 00 00 4d 8b ac 24 c8 00 00 00 4d 85 ed 0f [ 562.669215] RSP: 0018:ffff88801f0b7ce0 EFLAGS: 00010202 [ 562.674590] RAX: dffffc0000000000 RBX: ffffffff8a0a8b80 RCX: ffffc90005bd5000 [ 562.682038] RDX: 0000000000000019 RSI: ffffffff81a34767 RDI: 00000000000000c8 [ 562.682682] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 562.689321] RBP: 0000000000000000 R08: 0000000000400000 R09: fffffffffffff000 [ 562.689329] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 562.689336] R13: ffff88802319e740 R14: 0000000000000000 R15: ffff8880465de000 [ 562.689348] FS: 00007fdc842e4700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 562.689357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.689365] CR2: 000000000056c000 CR3: 0000000044d4b000 CR4: 00000000001406e0 [ 562.689376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.689383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.689387] Call Trace: [ 562.689410] vfs_kern_mount.part.0+0x68/0x470 [ 562.689429] do_mount+0x113c/0x2f10 [ 562.767777] ? cmp_ex_sort+0xc0/0xc0 [ 562.771499] ? __do_page_fault+0x180/0xd60 [ 562.775748] ? copy_mount_string+0x40/0x40 [ 562.779990] ? memset+0x20/0x40 [ 562.783260] ? copy_mount_options+0x26f/0x380 [ 562.787749] ksys_mount+0xcf/0x130 [ 562.791306] __x64_sys_mount+0xba/0x150 [ 562.795269] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 562.800536] do_syscall_64+0xf9/0x620 [ 562.804344] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.809518] RIP: 0033:0x46741a [ 562.812700] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 562.831584] RSP: 002b:00007fdc842e3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 562.839278] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046741a [ 562.846564] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdc842e4000 [ 562.853820] RBP: 00007fdc842e4040 R08: 00007fdc842e4040 R09: 0000000020000000 [ 562.861074] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 562.868329] R13: 0000000020000100 R14: 00007fdc842e4000 R15: 0000000020000580 [ 562.875668] Modules linked in: [ 562.896273] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 562.898755] ---[ end trace 46144d9d6b84b42e ]--- [ 562.914612] RIP: 0010:mount_fs+0xe0/0x310 [ 562.918906] Code: 81 fc 00 f0 ff ff 0f 87 eb 01 00 00 e8 b9 17 bf ff 49 8d bc 24 c8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ed 01 00 00 4d 8b ac 24 c8 00 00 00 4d 85 ed 0f [ 562.941937] RSP: 0018:ffff88801f0b7ce0 EFLAGS: 00010202 [ 562.945389] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 562.953605] RAX: dffffc0000000000 RBX: ffffffff8a0a8b80 RCX: ffffc90005bd5000 14:46:27 executing program 1: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4900) 14:46:27 executing program 2: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x4b01) [ 562.967201] RDX: 0000000000000019 RSI: ffffffff81a34767 RDI: 00000000000000c8 [ 562.975806] RBP: 0000000000000000 R08: 0000000000400000 R09: fffffffffffff000 [ 562.982607] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 563.000408] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 14:46:27 executing program 5: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x8c01) 14:46:27 executing program 4: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="48000000100005070000000000000000f1ff0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r4, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=@newtfilter={0x3c, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {}, {0x4}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0xc, 0x2, [@TCA_FLOWER_CLASSID={0x8, 0x1, {0x0, 0x9}}]}}]}, 0x3c}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x6b00) [ 563.019429] R13: ffff88802319e740 R14: 0000000000000000 R15: ffff8880465de000 [ 563.033724] EXT4-fs (loop3): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,,errors=continue [ 563.047592] FS: 00007fdc842e4700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 14:46:27 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x86000000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x10c, 0x400}, {&(0x7f0000010200)="0500000000000000000000000000000000000000040100002b", 0x19, 0x560}, {&(0x7f0000010300)="000000000000000000000000000000000000000000000000000000001481910a040000001400000024000000d9000f000300040000000000210d5cf20f00e6ef00000000000000000000000000000000000000000000000065789ee9", 0x5c, 0x7e0}, {&(0x7f0000011e00)="00000000000000000000000000000000000000000000000000000000520b0000ed410000000400002cc4645f2cc4645f2cc4645f00000000000004000200000000000800050000000af3010004000000000000000000000001000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008669", 0x9e, 0x9060}], 0x0, &(0x7f0000000580)={[{@inode_readahead_blks={'inode_readahead_blks'}}]}) [ 563.108332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 563.153098] CR2: 00007fcc01463000 CR3: 0000000044d4b000 CR4: 00000000001406e0 [ 563.168541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 563.177737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 [ 563.186686] Kernel panic - not syncing: Fatal exception [ 563.192799] Kernel Offset: disabled [ 563.196540] Rebooting in 86400 seconds..