013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:20 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008", 0x49, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 494.302843] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 494.320433] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 494.322448] UDF-fs: Scanning with blocksize 2048 failed [ 494.362618] UDF-fs: Scanning with blocksize 4096 failed 01:09:20 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 01:09:20 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 494.385379] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 494.397722] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 494.408232] UDF-fs: Scanning with blocksize 4096 failed 01:09:20 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 494.518439] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 494.539536] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 494.548800] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 494.571304] UDF-fs: Scanning with blocksize 512 failed [ 494.609487] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 494.617511] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 494.624577] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 494.639297] UDF-fs: Scanning with blocksize 1024 failed [ 494.669020] UDF-fs: Scanning with blocksize 512 failed 01:09:21 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 494.692259] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 494.732638] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 494.749815] UDF-fs: Scanning with blocksize 2048 failed [ 494.764220] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 494.777318] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 494.800527] UDF-fs: Scanning with blocksize 1024 failed [ 494.819850] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 494.840714] UDF-fs: Scanning with blocksize 4096 failed [ 494.851821] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 494.860188] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 494.874406] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 494.884041] UDF-fs: Scanning with blocksize 512 failed [ 494.890387] UDF-fs: Scanning with blocksize 512 failed [ 494.897759] UDF-fs: Scanning with blocksize 2048 failed [ 494.905974] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 494.915798] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:09:21 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 494.950164] UDF-fs: Scanning with blocksize 4096 failed [ 494.955526] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 494.962879] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 494.983320] UDF-fs: Scanning with blocksize 1024 failed [ 494.991287] UDF-fs: Scanning with blocksize 1024 failed [ 495.039172] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 495.057311] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 495.058152] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 495.065639] UDF-fs: Scanning with blocksize 2048 failed [ 495.085849] UDF-fs: Scanning with blocksize 2048 failed [ 495.086131] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 495.106081] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 495.115462] UDF-fs: Scanning with blocksize 4096 failed [ 495.121224] UDF-fs: Scanning with blocksize 512 failed [ 495.127426] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 495.138912] UDF-fs: Scanning with blocksize 4096 failed [ 495.169099] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 495.178385] UDF-fs: Scanning with blocksize 1024 failed [ 495.232571] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 495.243602] UDF-fs: Scanning with blocksize 2048 failed [ 495.258994] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 495.266184] UDF-fs: Scanning with blocksize 4096 failed 01:09:23 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) 01:09:23 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334", 0x55, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:23 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:23 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x20010, r0, 0xffffd000) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async, rerun: 64) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (rerun: 64) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_create(0x3, &(0x7f00000003c0)={0x0, 0x21, 0x2, @thr={&(0x7f00000002c0)="018fe04fe1360cf04d6cb31807552b9fea1e21aa781ab706b3f43e32b88debad689d316851bc86d559072819011637d80f54f021ff0e636a6429b103538e15622e9681e71e9e823ec805c5f6f87d0a997e9e119f051f4b8d137f35cef2af63abe9e5d9e2800d081ec288efbd372bfa7dfb90b70858c2c287803c6222e720eccde752ed6994568c1ab2c5e009ea694103d21b20ec5ee127868cd7c5a23b4b2074bca5e1fd6faaef2e80b98feecee238350b56ce586f4724c5b6bd5859962e9814790d35c1698047f4fc7430ce331ab61bfc797d107cd0c7bca4360cc033ff66c53b2465d9a9aa749fac", &(0x7f0000000240)="62184cef12fd627e521ecb30eb80758f9ee338d3ec94a415705b7e9f97beffbbdce3520ae50bfa05207080aa6328a0b9"}}, &(0x7f0000000440)=0x0) timer_settime(r2, 0x1, &(0x7f00000001c0)={{0x0, 0x989680}, {r1}}, 0x0) (async) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40010}}], 0x1, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000140)={r0, 0x8000000000000000, 0x0, 0x3}) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) ioctl$FIBMAP(r5, 0x5393, &(0x7f0000002140)) (async) timerfd_create(0x5, 0x80400) (async) dup(r4) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async, rerun: 64) kcmp$KCMP_EPOLL_TFD(0x0, r3, 0x7, 0xffffffffffffffff, &(0x7f0000000180)={r5, 0xffffffffffffffff, 0x3}) (rerun: 64) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r6, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:23 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:23 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 496.863330] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 496.899627] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 496.931547] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 496.942118] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 496.944475] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 496.992752] nbd: couldn't find device at index -1627389953 [ 496.995667] UDF-fs: Scanning with blocksize 512 failed [ 497.009547] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 497.035264] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 497.038289] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 497.042486] UDF-fs: Scanning with blocksize 512 failed [ 497.057286] UDF-fs: Scanning with blocksize 1024 failed [ 497.062812] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 497.096464] UDF-fs: Scanning with blocksize 512 failed [ 497.103594] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 497.113305] UDF-fs: Scanning with blocksize 512 failed [ 497.113940] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 497.129283] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 497.132212] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found 01:09:23 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000b00)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfff7ffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fcntl$getown(r0, 0x9) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) [ 497.150654] UDF-fs: Scanning with blocksize 1024 failed [ 497.162946] UDF-fs: Scanning with blocksize 2048 failed [ 497.170466] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 497.179682] UDF-fs: Scanning with blocksize 1024 failed [ 497.189571] UDF-fs: Scanning with blocksize 1024 failed [ 497.199921] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 497.217806] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 497.226925] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 497.234888] UDF-fs: Scanning with blocksize 2048 failed [ 497.242555] UDF-fs: Scanning with blocksize 4096 failed [ 497.250293] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 497.263337] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 497.265620] UDF-fs: Scanning with blocksize 2048 failed [ 497.284083] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 497.286580] UDF-fs: Scanning with blocksize 2048 failed 01:09:23 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 497.293079] UDF-fs: Scanning with blocksize 4096 failed [ 497.308616] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 497.316989] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 497.327635] UDF-fs: Scanning with blocksize 4096 failed [ 497.354993] UDF-fs: Scanning with blocksize 4096 failed 01:09:23 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 497.396512] nbd: couldn't find device at index -1627389953 01:09:23 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334", 0x55, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:23 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000b00)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfff7ffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fcntl$getown(r0, 0x9) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&{,-*'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x90}, 0xc080) 01:09:23 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 497.635688] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 497.685388] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 497.705505] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 497.727481] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 497.741997] UDF-fs: Scanning with blocksize 512 failed [ 497.766195] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 497.778886] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 497.794022] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 497.832495] UDF-fs: Scanning with blocksize 512 failed [ 497.850823] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 497.860292] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 497.882173] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 497.896406] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 497.904794] UDF-fs: Scanning with blocksize 1024 failed [ 497.910314] UDF-fs: Scanning with blocksize 512 failed [ 497.920025] UDF-fs: Scanning with blocksize 1024 failed [ 497.926309] UDF-fs: Scanning with blocksize 512 failed [ 497.939227] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 497.954735] nbd: couldn't find device at index -1627389953 [ 497.967323] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 497.972589] UDF-fs: Scanning with blocksize 2048 failed [ 497.982431] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 497.986960] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 497.997539] UDF-fs: Scanning with blocksize 4096 failed [ 498.000970] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 498.016499] UDF-fs: Scanning with blocksize 1024 failed [ 498.030278] UDF-fs: Scanning with blocksize 1024 failed 01:09:24 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000b00)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfff7ffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fcntl$getown(r0, 0x9) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&{,-*'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x90}, 0xc080) 01:09:24 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 498.053417] UDF-fs: Scanning with blocksize 2048 failed [ 498.081990] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 498.098212] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 498.104864] UDF-fs: Scanning with blocksize 2048 failed [ 498.119585] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 498.131004] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 498.140995] UDF-fs: Scanning with blocksize 2048 failed [ 498.158845] UDF-fs: Scanning with blocksize 4096 failed [ 498.166698] UDF-fs: Scanning with blocksize 4096 failed [ 498.182470] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 498.196129] UDF-fs: Scanning with blocksize 4096 failed [ 498.226663] netlink: 'syz-executor.0': attribute type 1 has an invalid length. 01:09:24 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334", 0x55, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 498.320168] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 498.360291] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 498.397048] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 498.409931] nbd: couldn't find device at index -1627389953 [ 498.410912] UDF-fs: Scanning with blocksize 512 failed [ 498.428262] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 498.451205] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 498.460176] UDF-fs: Scanning with blocksize 512 failed [ 498.474399] UDF-fs: Scanning with blocksize 1024 failed [ 498.505413] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 498.519840] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 498.527044] UDF-fs: Scanning with blocksize 1024 failed [ 498.541192] UDF-fs: Scanning with blocksize 2048 failed [ 498.561117] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 498.567578] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 498.569010] UDF-fs: Scanning with blocksize 4096 failed [ 498.580843] UDF-fs: Scanning with blocksize 2048 failed [ 498.588378] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 498.595700] UDF-fs: Scanning with blocksize 4096 failed 01:09:26 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:26 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x20010, r0, 0xffffd000) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_create(0x3, &(0x7f00000003c0)={0x0, 0x21, 0x2, @thr={&(0x7f00000002c0)="018fe04fe1360cf04d6cb31807552b9fea1e21aa781ab706b3f43e32b88debad689d316851bc86d559072819011637d80f54f021ff0e636a6429b103538e15622e9681e71e9e823ec805c5f6f87d0a997e9e119f051f4b8d137f35cef2af63abe9e5d9e2800d081ec288efbd372bfa7dfb90b70858c2c287803c6222e720eccde752ed6994568c1ab2c5e009ea694103d21b20ec5ee127868cd7c5a23b4b2074bca5e1fd6faaef2e80b98feecee238350b56ce586f4724c5b6bd5859962e9814790d35c1698047f4fc7430ce331ab61bfc797d107cd0c7bca4360cc033ff66c53b2465d9a9aa749fac", &(0x7f0000000240)="62184cef12fd627e521ecb30eb80758f9ee338d3ec94a415705b7e9f97beffbbdce3520ae50bfa05207080aa6328a0b9"}}, &(0x7f0000000440)=0x0) timer_settime(r2, 0x1, &(0x7f00000001c0)={{0x0, 0x989680}, {r1}}, 0x0) (async) r3 = gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40010}}], 0x1, 0x0) (async) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000140)={r0, 0x8000000000000000, 0x0, 0x3}) (async) r5 = openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) ioctl$FIBMAP(r5, 0x5393, &(0x7f0000002140)) (async) timerfd_create(0x5, 0x80400) (async) dup(r4) (async) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) (async) kcmp$KCMP_EPOLL_TFD(0x0, r3, 0x7, 0xffffffffffffffff, &(0x7f0000000180)={r5, 0xffffffffffffffff, 0x3}) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r6, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:26 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:26 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000b00)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfff7ffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=@newlink={0x34, 0x10, 0x801, 0x0, 0x0, {0x0, 0x0, 0x1f11, 0x0, 0x0, 0x1000000}, [@IFLA_XDP={0xc, 0x2b, 0x0, 0x1, [@IFLA_XDP_FD={0x8}]}, @IFLA_GROUP={0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x9effffff}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fcntl$getown(r0, 0x9) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '&{,-*'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}, 0x1, 0x0, 0x0, 0x90}, 0xc080) 01:09:26 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:26 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 500.511271] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 500.529246] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 500.542708] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 500.553046] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 500.563156] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 500.563964] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 500.622271] UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! [ 500.654850] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 500.664952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 500.675098] nbd: couldn't find device at index -1627389953 [ 500.677529] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 500.687219] UDF-fs: Scanning with blocksize 512 failed [ 500.697905] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 500.720863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 500.727290] UDF-fs: Scanning with blocksize 512 failed [ 500.748325] UDF-fs: Scanning with blocksize 512 failed [ 500.759828] UDF-fs: Scanning with blocksize 512 failed [ 500.774835] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 500.796327] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 500.805868] UDF-fs: Scanning with blocksize 1024 failed [ 500.820069] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 500.827256] UDF-fs: Scanning with blocksize 1024 failed [ 500.842764] UDF-fs: Scanning with blocksize 1024 failed [ 500.847022] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 500.861666] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 500.873660] UDF-fs: Scanning with blocksize 2048 failed [ 500.887509] UDF-fs: warning (device loop5): udf_load_vrs: No anchor found [ 500.898027] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 500.905864] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 500.911646] UDF-fs: Scanning with blocksize 1024 failed [ 500.914394] UDF-fs: Scanning with blocksize 2048 failed [ 500.924659] UDF-fs: Scanning with blocksize 2048 failed [ 500.930885] UDF-fs: Scanning with blocksize 4096 failed [ 500.939419] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 500.947490] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 500.961125] UDF-fs: Scanning with blocksize 4096 failed [ 500.966896] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 500.974672] UDF-fs: Scanning with blocksize 4096 failed 01:09:27 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 501.016127] UDF-fs: Scanning with blocksize 2048 failed [ 501.030381] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 501.037821] UDF-fs: Scanning with blocksize 4096 failed 01:09:27 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:27 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x5, 0x0, 0x0, 0x300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfffffffffffffffe, r0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000100)=0x100000001, 0x4) fcntl$setstatus(r2, 0x4, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000140), 0x4) setsockopt$inet6_tcp_TLS_TX(r2, 0x11a, 0x1, &(0x7f0000000180)=@gcm_128={{0x303}, "332f7e9d405fe4f6", "6a1d45a8ef8ed32a13ee430b3e94fdf6", "fd705e0f", "92ee018000"}, 0x28) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000040), 0x4) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) 01:09:27 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:27 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:27 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1) [ 501.221790] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 501.271345] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 501.280946] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 501.307448] UDF-fs: Scanning with blocksize 512 failed [ 501.343984] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 501.360232] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 501.372923] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 501.381137] UDF-fs: Scanning with blocksize 512 failed [ 501.390244] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 501.393610] UDF-fs: Scanning with blocksize 1024 failed [ 501.418209] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 501.424578] UDF-fs: Scanning with blocksize 512 failed 01:09:27 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x5, 0x0, 0x0, 0x300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfffffffffffffffe, r0, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000100)=0x100000001, 0x4) fcntl$setstatus(r2, 0x4, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) (async) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000140), 0x4) setsockopt$inet6_tcp_TLS_TX(r2, 0x11a, 0x1, &(0x7f0000000180)=@gcm_128={{0x303}, "332f7e9d405fe4f6", "6a1d45a8ef8ed32a13ee430b3e94fdf6", "fd705e0f", "92ee018000"}, 0x28) (async) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000040), 0x4) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) [ 501.454422] FAULT_INJECTION: forcing a failure. [ 501.454422] name failslab, interval 1, probability 0, space 0, times 0 [ 501.476767] UDF-fs: Scanning with blocksize 1024 failed [ 501.483616] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 501.510404] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 501.518731] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 501.525668] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 501.532887] CPU: 0 PID: 30630 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 501.540771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 501.550127] Call Trace: [ 501.552733] dump_stack+0x1fc/0x2ef [ 501.556375] should_fail.cold+0xa/0xf [ 501.560186] ? setup_fault_attr+0x200/0x200 [ 501.564513] ? lock_acquire+0x170/0x3c0 [ 501.568503] __should_failslab+0x115/0x180 [ 501.572762] should_failslab+0x5/0x10 [ 501.576657] kmem_cache_alloc_node+0x245/0x3b0 [ 501.581251] __alloc_skb+0x71/0x560 [ 501.584886] netlink_sendmsg+0x9f6/0xc50 [ 501.588953] ? aa_af_perm+0x230/0x230 [ 501.592759] ? nlmsg_notify+0x1f0/0x1f0 [ 501.596739] ? kernel_recvmsg+0x220/0x220 [ 501.598486] UDF-fs: Scanning with blocksize 512 failed [ 501.600892] ? nlmsg_notify+0x1f0/0x1f0 [ 501.600912] sock_sendmsg+0xc3/0x120 [ 501.600926] ___sys_sendmsg+0x7bb/0x8e0 [ 501.600946] ? check_preemption_disabled+0x41/0x280 [ 501.600957] ? copy_msghdr_from_user+0x440/0x440 [ 501.600971] ? __fget+0x32f/0x510 [ 501.600992] ? lock_downgrade+0x720/0x720 [ 501.601006] ? check_preemption_disabled+0x41/0x280 [ 501.601021] ? check_preemption_disabled+0x41/0x280 [ 501.601039] ? __fget+0x356/0x510 [ 501.601055] ? do_dup2+0x450/0x450 [ 501.601073] ? lock_downgrade+0x720/0x720 01:09:27 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2) 01:09:27 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x5, 0x0, 0x0, 0x300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfffffffffffffffe, r0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000100)=0x100000001, 0x4) fcntl$setstatus(r2, 0x4, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000140), 0x4) setsockopt$inet6_tcp_TLS_TX(r2, 0x11a, 0x1, &(0x7f0000000180)=@gcm_128={{0x303}, "332f7e9d405fe4f6", "6a1d45a8ef8ed32a13ee430b3e94fdf6", "fd705e0f", "92ee018000"}, 0x28) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000040), 0x4) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x5, 0x0, 0x0, 0x300, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfffffffffffffffe, r0, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) (async) socket$inet6_tcp(0xa, 0x1, 0x0) (async) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000100)=0x100000001, 0x4) (async) fcntl$setstatus(r2, 0x4, 0x0) (async) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) (async) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000140), 0x4) (async) setsockopt$inet6_tcp_TLS_TX(r2, 0x11a, 0x1, &(0x7f0000000180)=@gcm_128={{0x303}, "332f7e9d405fe4f6", "6a1d45a8ef8ed32a13ee430b3e94fdf6", "fd705e0f", "92ee018000"}, 0x28) (async) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000040), 0x4) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)) (async) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) [ 501.601089] ? vfs_write+0x3d7/0x540 [ 501.601107] ? __fdget+0x1d0/0x230 [ 501.601126] __x64_sys_sendmsg+0x132/0x220 [ 501.601139] ? __sys_sendmsg+0x1b0/0x1b0 [ 501.601152] ? vfs_write+0x393/0x540 [ 501.601178] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 501.601194] ? trace_hardirqs_off_caller+0x6e/0x210 [ 501.601209] ? do_syscall_64+0x21/0x620 [ 501.601227] do_syscall_64+0xf9/0x620 [ 501.601244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.601256] RIP: 0033:0x7ff970b3e279 [ 501.601269] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 501.601276] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 501.601290] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 501.601298] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 501.601306] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 501.601314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 501.601322] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 501.602974] UDF-fs: Scanning with blocksize 2048 failed [ 501.641761] UDF-fs: Scanning with blocksize 2048 failed [ 501.647210] UDF-fs: Scanning with blocksize 1024 failed [ 501.653997] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 501.671939] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 501.674164] UDF-fs: Scanning with blocksize 4096 failed [ 501.709670] UDF-fs: Scanning with blocksize 1024 failed [ 501.732666] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 501.753373] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 501.794516] UDF-fs: Scanning with blocksize 4096 failed [ 501.840112] UDF-fs: Scanning with blocksize 2048 failed [ 501.852420] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 501.859102] UDF-fs: Scanning with blocksize 4096 failed [ 501.890296] FAULT_INJECTION: forcing a failure. [ 501.890296] name failslab, interval 1, probability 0, space 0, times 0 [ 501.901739] CPU: 1 PID: 30649 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 501.909811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 501.919166] Call Trace: [ 501.921767] dump_stack+0x1fc/0x2ef [ 501.925408] should_fail.cold+0xa/0xf [ 501.929223] ? setup_fault_attr+0x200/0x200 [ 501.933560] ? lock_acquire+0x170/0x3c0 [ 501.937551] __should_failslab+0x115/0x180 [ 501.941800] should_failslab+0x5/0x10 [ 501.945606] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 501.950724] __kmalloc_node_track_caller+0x38/0x70 [ 501.955753] __alloc_skb+0xae/0x560 [ 501.959374] netlink_sendmsg+0x9f6/0xc50 [ 501.963425] ? aa_af_perm+0x230/0x230 [ 501.967209] ? nlmsg_notify+0x1f0/0x1f0 [ 501.971226] ? kernel_recvmsg+0x220/0x220 [ 501.975385] ? nlmsg_notify+0x1f0/0x1f0 [ 501.979357] sock_sendmsg+0xc3/0x120 [ 501.983059] ___sys_sendmsg+0x7bb/0x8e0 [ 501.987024] ? check_preemption_disabled+0x41/0x280 [ 501.992043] ? copy_msghdr_from_user+0x440/0x440 [ 501.996798] ? __fget+0x32f/0x510 [ 502.000247] ? lock_downgrade+0x720/0x720 [ 502.004384] ? check_preemption_disabled+0x41/0x280 [ 502.009392] ? check_preemption_disabled+0x41/0x280 [ 502.014405] ? __fget+0x356/0x510 [ 502.017851] ? do_dup2+0x450/0x450 [ 502.021377] ? lock_downgrade+0x720/0x720 [ 502.025514] ? vfs_write+0x3d7/0x540 [ 502.029218] ? __fdget+0x1d0/0x230 [ 502.032768] __x64_sys_sendmsg+0x132/0x220 [ 502.037009] ? __sys_sendmsg+0x1b0/0x1b0 [ 502.041063] ? vfs_write+0x393/0x540 [ 502.044774] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 502.050132] ? trace_hardirqs_off_caller+0x6e/0x210 [ 502.055155] ? do_syscall_64+0x21/0x620 [ 502.059140] do_syscall_64+0xf9/0x620 [ 502.062938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 502.068119] RIP: 0033:0x7ff970b3e279 [ 502.071835] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 502.090738] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 502.098450] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 502.105710] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 502.113003] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 502.120263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 502.127519] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:28 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:28 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c69", 0x5b, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:28 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 502.183655] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 502.195298] UDF-fs: Scanning with blocksize 2048 failed [ 502.231729] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 502.265659] UDF-fs: Scanning with blocksize 4096 failed 01:09:28 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3) 01:09:28 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 502.326596] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 502.366594] UDF-fs: Scanning with blocksize 512 failed [ 502.380498] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 502.393962] UDF-fs: Scanning with blocksize 1024 failed [ 502.407182] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:28 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 502.432507] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 502.450010] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 502.487358] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 502.498140] UDF-fs: Scanning with blocksize 2048 failed [ 502.511254] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 502.532777] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 502.535116] UDF-fs: Scanning with blocksize 512 failed [ 502.555633] UDF-fs: Scanning with blocksize 512 failed [ 502.572878] UDF-fs: Scanning with blocksize 4096 failed [ 502.607628] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 502.607753] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 502.618149] FAULT_INJECTION: forcing a failure. [ 502.618149] name failslab, interval 1, probability 0, space 0, times 0 [ 502.629693] UDF-fs: Scanning with blocksize 1024 failed [ 502.642398] ieee802154 phy0 wpan0: encryption failed: -22 [ 502.648043] ieee802154 phy1 wpan1: encryption failed: -22 01:09:28 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 502.658023] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 502.668307] UDF-fs: Scanning with blocksize 1024 failed [ 502.683303] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 502.698626] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 502.721567] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 502.728773] CPU: 0 PID: 30707 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 502.738736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 502.748087] Call Trace: [ 502.750677] dump_stack+0x1fc/0x2ef [ 502.754294] should_fail.cold+0xa/0xf [ 502.758084] ? setup_fault_attr+0x200/0x200 [ 502.762414] ? lock_acquire+0x170/0x3c0 [ 502.766396] __should_failslab+0x115/0x180 [ 502.770625] should_failslab+0x5/0x10 [ 502.774481] kmem_cache_alloc_trace+0x284/0x380 [ 502.779263] nbd_dev_add+0x44/0x890 [ 502.782885] nbd_genl_connect+0x488/0x1630 [ 502.787122] ? nbd_xmit_timeout+0x730/0x730 [ 502.791442] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 502.796647] ? validate_nla+0x270/0x820 [ 502.800628] ? nla_parse+0x1b2/0x290 [ 502.804343] genl_family_rcv_msg+0x642/0xc40 [ 502.808772] ? genl_rcv+0x40/0x40 [ 502.812210] ? genl_rcv_msg+0x12f/0x160 [ 502.816173] ? mutex_trylock+0x1a0/0x1a0 [ 502.820228] ? __radix_tree_lookup+0x216/0x370 [ 502.824801] genl_rcv_msg+0xbf/0x160 [ 502.828508] netlink_rcv_skb+0x160/0x440 [ 502.832567] ? genl_family_rcv_msg+0xc40/0xc40 [ 502.837139] ? netlink_ack+0xae0/0xae0 [ 502.841014] ? genl_rcv+0x15/0x40 [ 502.844457] genl_rcv+0x24/0x40 [ 502.847722] netlink_unicast+0x4d5/0x690 [ 502.851771] ? netlink_sendskb+0x110/0x110 [ 502.855989] ? _copy_from_iter_full+0x229/0x7c0 [ 502.860642] ? __phys_addr_symbol+0x2c/0x70 [ 502.864952] ? __check_object_size+0x17b/0x3e0 [ 502.869539] netlink_sendmsg+0x6c3/0xc50 [ 502.873677] ? aa_af_perm+0x230/0x230 [ 502.877461] ? nlmsg_notify+0x1f0/0x1f0 [ 502.881420] ? kernel_recvmsg+0x220/0x220 [ 502.885560] ? nlmsg_notify+0x1f0/0x1f0 [ 502.889522] sock_sendmsg+0xc3/0x120 [ 502.893238] ___sys_sendmsg+0x7bb/0x8e0 [ 502.897208] ? check_preemption_disabled+0x41/0x280 [ 502.902207] ? copy_msghdr_from_user+0x440/0x440 [ 502.906953] ? __fget+0x32f/0x510 [ 502.910396] ? lock_downgrade+0x720/0x720 [ 502.914530] ? check_preemption_disabled+0x41/0x280 [ 502.919563] ? check_preemption_disabled+0x41/0x280 [ 502.924571] ? __fget+0x356/0x510 [ 502.928012] ? do_dup2+0x450/0x450 [ 502.931539] ? lock_downgrade+0x720/0x720 [ 502.935676] ? vfs_write+0x3d7/0x540 [ 502.939379] ? __fdget+0x1d0/0x230 [ 502.942911] __x64_sys_sendmsg+0x132/0x220 [ 502.947143] ? __sys_sendmsg+0x1b0/0x1b0 [ 502.951187] ? vfs_write+0x393/0x540 [ 502.954894] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 502.960242] ? trace_hardirqs_off_caller+0x6e/0x210 [ 502.965244] ? do_syscall_64+0x21/0x620 [ 502.969207] do_syscall_64+0xf9/0x620 [ 502.972996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 502.978174] RIP: 0033:0x7ff970b3e279 [ 502.981874] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 503.000757] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 503.008459] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 503.015710] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 503.022963] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 503.030217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 503.037479] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 503.056634] UDF-fs: Scanning with blocksize 512 failed [ 503.078853] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 503.090412] UDF-fs: Scanning with blocksize 1024 failed [ 503.095854] UDF-fs: Scanning with blocksize 2048 failed [ 503.108748] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 503.109855] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 503.123120] UDF-fs: Scanning with blocksize 2048 failed 01:09:29 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 4) 01:09:29 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 503.129970] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 503.138887] UDF-fs: Scanning with blocksize 4096 failed [ 503.149914] nbd: failed to add new device [ 503.157739] UDF-fs: Scanning with blocksize 4096 failed 01:09:29 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 503.203352] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 503.228328] UDF-fs: Scanning with blocksize 2048 failed [ 503.246808] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 503.260100] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 503.269323] UDF-fs: Scanning with blocksize 512 failed [ 503.289901] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 503.301468] UDF-fs: Scanning with blocksize 4096 failed [ 503.337052] UDF-fs: Scanning with blocksize 1024 failed [ 503.359546] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 503.369713] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 503.375970] FAULT_INJECTION: forcing a failure. [ 503.375970] name failslab, interval 1, probability 0, space 0, times 0 01:09:29 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 503.402476] CPU: 0 PID: 30730 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 503.407107] UDF-fs: Scanning with blocksize 2048 failed [ 503.410379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 503.410384] Call Trace: [ 503.410405] dump_stack+0x1fc/0x2ef [ 503.410424] should_fail.cold+0xa/0xf [ 503.410442] ? setup_fault_attr+0x200/0x200 [ 503.439440] ? lock_acquire+0x170/0x3c0 [ 503.443410] __should_failslab+0x115/0x180 [ 503.447645] should_failslab+0x5/0x10 [ 503.451431] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 503.456525] __alloc_disk_node+0x69/0x410 [ 503.460752] nbd_dev_add+0x6c/0x890 [ 503.464382] nbd_genl_connect+0x488/0x1630 [ 503.468607] ? nbd_xmit_timeout+0x730/0x730 [ 503.472920] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 503.478100] ? validate_nla+0x270/0x820 [ 503.482067] ? nla_parse+0x1b2/0x290 [ 503.485787] genl_family_rcv_msg+0x642/0xc40 [ 503.490186] ? genl_rcv+0x40/0x40 [ 503.493623] ? genl_rcv_msg+0x12f/0x160 [ 503.497593] ? mutex_trylock+0x1a0/0x1a0 [ 503.501733] ? __radix_tree_lookup+0x216/0x370 [ 503.506307] genl_rcv_msg+0xbf/0x160 [ 503.510012] netlink_rcv_skb+0x160/0x440 [ 503.514060] ? genl_family_rcv_msg+0xc40/0xc40 [ 503.518634] ? netlink_ack+0xae0/0xae0 [ 503.522509] ? genl_rcv+0x15/0x40 [ 503.525954] genl_rcv+0x24/0x40 [ 503.529222] netlink_unicast+0x4d5/0x690 [ 503.533275] ? netlink_sendskb+0x110/0x110 [ 503.537495] ? _copy_from_iter_full+0x229/0x7c0 [ 503.542152] ? __phys_addr_symbol+0x2c/0x70 [ 503.546631] ? __check_object_size+0x17b/0x3e0 [ 503.551234] netlink_sendmsg+0x6c3/0xc50 [ 503.555296] ? aa_af_perm+0x230/0x230 [ 503.559087] ? nlmsg_notify+0x1f0/0x1f0 [ 503.563049] ? kernel_recvmsg+0x220/0x220 [ 503.567207] ? nlmsg_notify+0x1f0/0x1f0 [ 503.571172] sock_sendmsg+0xc3/0x120 [ 503.574876] ___sys_sendmsg+0x7bb/0x8e0 [ 503.578843] ? check_preemption_disabled+0x41/0x280 [ 503.583847] ? copy_msghdr_from_user+0x440/0x440 [ 503.588594] ? __fget+0x32f/0x510 [ 503.592041] ? lock_downgrade+0x720/0x720 [ 503.596178] ? check_preemption_disabled+0x41/0x280 [ 503.601202] ? check_preemption_disabled+0x41/0x280 [ 503.606225] ? __fget+0x356/0x510 [ 503.609674] ? do_dup2+0x450/0x450 [ 503.613206] ? lock_downgrade+0x720/0x720 [ 503.617347] ? vfs_write+0x3d7/0x540 [ 503.621055] ? __fdget+0x1d0/0x230 [ 503.624593] __x64_sys_sendmsg+0x132/0x220 [ 503.628840] ? __sys_sendmsg+0x1b0/0x1b0 [ 503.632901] ? vfs_write+0x393/0x540 [ 503.636719] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 503.642110] ? trace_hardirqs_off_caller+0x6e/0x210 [ 503.647129] ? do_syscall_64+0x21/0x620 [ 503.651106] do_syscall_64+0xf9/0x620 [ 503.654900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 503.660077] RIP: 0033:0x7ff970b3e279 [ 503.663777] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 503.682675] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 503.690373] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 503.697632] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 503.704905] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 503.712163] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 503.719422] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 503.794741] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 503.817096] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 503.826753] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 503.844091] UDF-fs: Scanning with blocksize 512 failed [ 503.875116] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 503.891670] UDF-fs: Scanning with blocksize 1024 failed [ 503.900208] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 503.901227] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 503.921694] UDF-fs: Scanning with blocksize 512 failed [ 503.934401] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 503.946662] UDF-fs: Scanning with blocksize 1024 failed [ 503.956877] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 503.958867] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 503.976403] UDF-fs: Scanning with blocksize 2048 failed [ 503.984216] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 503.991043] UDF-fs: Scanning with blocksize 4096 failed [ 503.993355] UDF-fs: Scanning with blocksize 512 failed [ 503.997899] nbd: failed to add new device [ 504.002299] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 504.014266] UDF-fs: Scanning with blocksize 2048 failed 01:09:30 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 5) 01:09:30 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r2 = gettid() (async, rerun: 32) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (rerun: 32) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async, rerun: 32) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (rerun: 32) [ 504.020704] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 504.028912] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 504.047695] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found 01:09:30 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:30 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 504.072383] UDF-fs: Scanning with blocksize 4096 failed [ 504.083532] UDF-fs: Scanning with blocksize 1024 failed [ 504.089830] UDF-fs: Scanning with blocksize 4096 failed [ 504.149060] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 504.164566] FAULT_INJECTION: forcing a failure. [ 504.164566] name failslab, interval 1, probability 0, space 0, times 0 01:09:30 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 504.194183] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 504.218583] UDF-fs: Scanning with blocksize 2048 failed [ 504.238814] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 504.246962] CPU: 0 PID: 30754 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 504.254877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 504.264241] Call Trace: [ 504.266842] dump_stack+0x1fc/0x2ef [ 504.270484] should_fail.cold+0xa/0xf [ 504.274301] ? setup_fault_attr+0x200/0x200 [ 504.278719] ? lock_acquire+0x170/0x3c0 [ 504.282708] __should_failslab+0x115/0x180 [ 504.286953] should_failslab+0x5/0x10 [ 504.290758] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 504.295878] __kmalloc_node+0x38/0x70 [ 504.299697] disk_expand_part_tbl+0x1b4/0x3a0 [ 504.304207] __alloc_disk_node+0x118/0x410 [ 504.308459] nbd_dev_add+0x6c/0x890 [ 504.310532] UDF-fs: Scanning with blocksize 4096 failed [ 504.312101] nbd_genl_connect+0x488/0x1630 [ 504.312123] ? nbd_xmit_timeout+0x730/0x730 [ 504.312142] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 504.312157] ? validate_nla+0x270/0x820 [ 504.312175] ? nla_parse+0x1b2/0x290 [ 504.312193] genl_family_rcv_msg+0x642/0xc40 [ 504.312210] ? genl_rcv+0x40/0x40 [ 504.346784] ? genl_rcv_msg+0x12f/0x160 [ 504.350749] ? mutex_trylock+0x1a0/0x1a0 [ 504.354894] ? __radix_tree_lookup+0x216/0x370 [ 504.359483] genl_rcv_msg+0xbf/0x160 [ 504.363191] netlink_rcv_skb+0x160/0x440 [ 504.367242] ? genl_family_rcv_msg+0xc40/0xc40 [ 504.371838] ? netlink_ack+0xae0/0xae0 [ 504.375737] ? genl_rcv+0x15/0x40 [ 504.379209] genl_rcv+0x24/0x40 [ 504.382494] netlink_unicast+0x4d5/0x690 [ 504.386567] ? netlink_sendskb+0x110/0x110 [ 504.390790] ? _copy_from_iter_full+0x229/0x7c0 [ 504.395462] ? __phys_addr_symbol+0x2c/0x70 [ 504.399789] ? __check_object_size+0x17b/0x3e0 [ 504.404379] netlink_sendmsg+0x6c3/0xc50 [ 504.408435] ? aa_af_perm+0x230/0x230 [ 504.412236] ? nlmsg_notify+0x1f0/0x1f0 [ 504.416192] ? kernel_recvmsg+0x220/0x220 [ 504.421634] ? nlmsg_notify+0x1f0/0x1f0 [ 504.425619] sock_sendmsg+0xc3/0x120 [ 504.429316] ___sys_sendmsg+0x7bb/0x8e0 [ 504.433366] ? check_preemption_disabled+0x41/0x280 [ 504.438361] ? copy_msghdr_from_user+0x440/0x440 [ 504.443114] ? __fget+0x32f/0x510 [ 504.446570] ? lock_downgrade+0x720/0x720 [ 504.450713] ? check_preemption_disabled+0x41/0x280 [ 504.455729] ? check_preemption_disabled+0x41/0x280 [ 504.460741] ? __fget+0x356/0x510 [ 504.464197] ? do_dup2+0x450/0x450 [ 504.467740] ? lock_downgrade+0x720/0x720 [ 504.471894] ? vfs_write+0x3d7/0x540 [ 504.475599] ? __fdget+0x1d0/0x230 [ 504.479133] __x64_sys_sendmsg+0x132/0x220 [ 504.483349] ? __sys_sendmsg+0x1b0/0x1b0 [ 504.487393] ? vfs_write+0x393/0x540 [ 504.491113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 504.496462] ? trace_hardirqs_off_caller+0x6e/0x210 [ 504.501465] ? do_syscall_64+0x21/0x620 [ 504.505432] do_syscall_64+0xf9/0x620 [ 504.509235] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 504.514505] RIP: 0033:0x7ff970b3e279 [ 504.518223] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 504.537136] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 504.544829] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 504.552113] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 504.559375] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 504.566637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 504.573891] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:30 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 6) [ 504.620204] nbd: failed to add new device [ 504.655530] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 504.672342] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 504.679227] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 504.692840] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 504.703357] UDF-fs: Scanning with blocksize 512 failed 01:09:31 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 504.726240] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 504.747766] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 504.767221] UDF-fs: Scanning with blocksize 512 failed [ 504.771498] UDF-fs: Scanning with blocksize 512 failed [ 504.777451] UDF-fs: Scanning with blocksize 1024 failed [ 504.800609] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 504.816185] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 504.821334] UDF-fs: Scanning with blocksize 2048 failed [ 504.835794] UDF-fs: Scanning with blocksize 1024 failed [ 504.842259] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 504.849264] UDF-fs: Scanning with blocksize 1024 failed [ 504.857883] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 504.863882] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 504.867164] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 504.879467] UDF-fs: Scanning with blocksize 2048 failed [ 504.885467] FAULT_INJECTION: forcing a failure. [ 504.885467] name failslab, interval 1, probability 0, space 0, times 0 [ 504.888380] UDF-fs: Scanning with blocksize 4096 failed [ 504.913020] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 504.913117] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 504.931338] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 504.931423] UDF-fs: Scanning with blocksize 2048 failed [ 504.941459] CPU: 1 PID: 30786 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 504.954181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 504.963525] Call Trace: [ 504.966196] dump_stack+0x1fc/0x2ef [ 504.969819] should_fail.cold+0xa/0xf [ 504.973792] ? setup_fault_attr+0x200/0x200 [ 504.978112] ? lock_acquire+0x170/0x3c0 [ 504.982086] __should_failslab+0x115/0x180 [ 504.986311] should_failslab+0x5/0x10 [ 504.990102] kmem_cache_alloc_trace+0x284/0x380 [ 504.994760] rand_initialize_disk+0x3b/0xc0 [ 504.999078] __alloc_disk_node+0x234/0x410 [ 505.003302] nbd_dev_add+0x6c/0x890 [ 505.006920] nbd_genl_connect+0x488/0x1630 [ 505.011149] ? nbd_xmit_timeout+0x730/0x730 [ 505.015475] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 505.020657] ? validate_nla+0x270/0x820 [ 505.024631] ? nla_parse+0x1b2/0x290 [ 505.028342] genl_family_rcv_msg+0x642/0xc40 [ 505.032744] ? genl_rcv+0x40/0x40 [ 505.036188] ? genl_rcv_msg+0x12f/0x160 [ 505.040149] ? mutex_trylock+0x1a0/0x1a0 [ 505.044216] ? __radix_tree_lookup+0x216/0x370 [ 505.048792] genl_rcv_msg+0xbf/0x160 [ 505.052514] netlink_rcv_skb+0x160/0x440 [ 505.056582] ? genl_family_rcv_msg+0xc40/0xc40 [ 505.061153] ? netlink_ack+0xae0/0xae0 [ 505.065029] ? genl_rcv+0x15/0x40 [ 505.068476] genl_rcv+0x24/0x40 [ 505.071743] netlink_unicast+0x4d5/0x690 [ 505.075796] ? netlink_sendskb+0x110/0x110 [ 505.080018] ? _copy_from_iter_full+0x229/0x7c0 [ 505.084701] ? __phys_addr_symbol+0x2c/0x70 [ 505.089126] ? __check_object_size+0x17b/0x3e0 [ 505.093709] netlink_sendmsg+0x6c3/0xc50 [ 505.097760] ? aa_af_perm+0x230/0x230 [ 505.101549] ? nlmsg_notify+0x1f0/0x1f0 [ 505.105525] ? kernel_recvmsg+0x220/0x220 [ 505.109669] ? nlmsg_notify+0x1f0/0x1f0 [ 505.113633] sock_sendmsg+0xc3/0x120 [ 505.117354] ___sys_sendmsg+0x7bb/0x8e0 [ 505.121340] ? check_preemption_disabled+0x41/0x280 [ 505.126344] ? copy_msghdr_from_user+0x440/0x440 [ 505.131096] ? __fget+0x32f/0x510 [ 505.134543] ? lock_downgrade+0x720/0x720 [ 505.138679] ? check_preemption_disabled+0x41/0x280 [ 505.143689] ? check_preemption_disabled+0x41/0x280 [ 505.148782] ? __fget+0x356/0x510 [ 505.152226] ? do_dup2+0x450/0x450 [ 505.155764] ? lock_downgrade+0x720/0x720 [ 505.159907] ? vfs_write+0x3d7/0x540 [ 505.163611] ? __fdget+0x1d0/0x230 [ 505.167149] __x64_sys_sendmsg+0x132/0x220 [ 505.171371] ? __sys_sendmsg+0x1b0/0x1b0 [ 505.175434] ? vfs_write+0x393/0x540 [ 505.179148] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 505.184509] ? trace_hardirqs_off_caller+0x6e/0x210 [ 505.189521] ? do_syscall_64+0x21/0x620 [ 505.193490] do_syscall_64+0xf9/0x620 [ 505.197284] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.202458] RIP: 0033:0x7ff970b3e279 [ 505.206162] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 505.225045] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 505.232739] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 505.239992] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 505.247246] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 505.254498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 505.261752] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:31 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:31 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 7) [ 505.284138] nbd: couldn't find device at index -1627389953 [ 505.301967] UDF-fs: Scanning with blocksize 4096 failed [ 505.315320] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 505.322310] UDF-fs: Scanning with blocksize 4096 failed 01:09:31 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:31 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 505.333642] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 505.372635] UDF-fs: Scanning with blocksize 512 failed 01:09:31 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 505.467842] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 505.479500] UDF-fs: Scanning with blocksize 1024 failed [ 505.496726] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 505.505057] FAULT_INJECTION: forcing a failure. [ 505.505057] name failslab, interval 1, probability 0, space 0, times 0 [ 505.516747] CPU: 1 PID: 30808 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 505.524721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 505.534064] Call Trace: [ 505.536654] dump_stack+0x1fc/0x2ef [ 505.540270] should_fail.cold+0xa/0xf [ 505.544117] ? setup_fault_attr+0x200/0x200 [ 505.548433] ? lock_acquire+0x170/0x3c0 [ 505.552415] __should_failslab+0x115/0x180 [ 505.556644] should_failslab+0x5/0x10 [ 505.560487] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 505.565576] __kmalloc_node+0x38/0x70 [ 505.569359] blk_mq_alloc_tag_set+0x330/0xa30 [ 505.573862] nbd_dev_add+0x297/0x890 [ 505.577573] nbd_genl_connect+0x488/0x1630 [ 505.581807] ? nbd_xmit_timeout+0x730/0x730 [ 505.586142] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 505.591341] ? validate_nla+0x270/0x820 [ 505.595328] ? nla_parse+0x1b2/0x290 [ 505.599050] genl_family_rcv_msg+0x642/0xc40 [ 505.603456] ? genl_rcv+0x40/0x40 [ 505.606893] ? genl_rcv_msg+0x12f/0x160 [ 505.610856] ? mutex_trylock+0x1a0/0x1a0 [ 505.614917] ? __radix_tree_lookup+0x216/0x370 [ 505.619495] genl_rcv_msg+0xbf/0x160 [ 505.623198] netlink_rcv_skb+0x160/0x440 [ 505.627240] ? genl_family_rcv_msg+0xc40/0xc40 [ 505.631814] ? netlink_ack+0xae0/0xae0 [ 505.635702] ? genl_rcv+0x15/0x40 [ 505.639219] genl_rcv+0x24/0x40 [ 505.642491] netlink_unicast+0x4d5/0x690 [ 505.646562] ? netlink_sendskb+0x110/0x110 [ 505.650786] ? _copy_from_iter_full+0x229/0x7c0 [ 505.655487] ? __phys_addr_symbol+0x2c/0x70 [ 505.659813] ? __check_object_size+0x17b/0x3e0 [ 505.664409] netlink_sendmsg+0x6c3/0xc50 [ 505.668458] ? aa_af_perm+0x230/0x230 [ 505.672254] ? nlmsg_notify+0x1f0/0x1f0 [ 505.676236] ? kernel_recvmsg+0x220/0x220 [ 505.680395] ? nlmsg_notify+0x1f0/0x1f0 [ 505.684365] sock_sendmsg+0xc3/0x120 [ 505.688062] ___sys_sendmsg+0x7bb/0x8e0 [ 505.692036] ? check_preemption_disabled+0x41/0x280 [ 505.697058] ? copy_msghdr_from_user+0x440/0x440 [ 505.701821] ? __fget+0x32f/0x510 [ 505.705285] ? lock_downgrade+0x720/0x720 [ 505.709424] ? check_preemption_disabled+0x41/0x280 [ 505.714454] ? check_preemption_disabled+0x41/0x280 [ 505.719469] ? __fget+0x356/0x510 [ 505.722918] ? do_dup2+0x450/0x450 [ 505.726444] ? lock_downgrade+0x720/0x720 [ 505.730589] ? vfs_write+0x3d7/0x540 [ 505.734313] ? __fdget+0x1d0/0x230 [ 505.737853] __x64_sys_sendmsg+0x132/0x220 [ 505.742086] ? __sys_sendmsg+0x1b0/0x1b0 [ 505.746279] ? vfs_write+0x393/0x540 [ 505.750100] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 505.755478] ? trace_hardirqs_off_caller+0x6e/0x210 [ 505.760537] ? do_syscall_64+0x21/0x620 [ 505.764500] do_syscall_64+0xf9/0x620 [ 505.768287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.773553] RIP: 0033:0x7ff970b3e279 [ 505.777267] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 505.796281] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 505.804097] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 505.811351] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 505.818609] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 505.825863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 505.833122] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 505.842800] nbd: failed to add new device 01:09:32 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 8) [ 505.879053] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 505.918634] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 505.925440] UDF-fs: Scanning with blocksize 2048 failed [ 505.945230] UDF-fs: Scanning with blocksize 512 failed [ 505.951217] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 505.975843] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 505.983901] UDF-fs: Scanning with blocksize 4096 failed [ 505.993778] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 506.001277] UDF-fs: Scanning with blocksize 1024 failed [ 506.012301] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 506.018979] UDF-fs: Scanning with blocksize 2048 failed [ 506.020604] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 506.028224] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 506.039352] UDF-fs: Scanning with blocksize 512 failed [ 506.041408] FAULT_INJECTION: forcing a failure. [ 506.041408] name failslab, interval 1, probability 0, space 0, times 0 [ 506.059419] CPU: 0 PID: 30827 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 506.060572] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:32 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578", 0x5e, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 506.067301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 506.067306] Call Trace: [ 506.067334] dump_stack+0x1fc/0x2ef [ 506.067355] should_fail.cold+0xa/0xf [ 506.067373] ? setup_fault_attr+0x200/0x200 [ 506.067387] ? lock_acquire+0x170/0x3c0 [ 506.067407] __should_failslab+0x115/0x180 [ 506.067422] should_failslab+0x5/0x10 [ 506.067437] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 506.067454] __kmalloc_node+0x38/0x70 [ 506.067469] blk_mq_alloc_tag_set+0x3c2/0xa30 [ 506.067491] nbd_dev_add+0x297/0x890 [ 506.067507] nbd_genl_connect+0x488/0x1630 [ 506.067524] ? nbd_xmit_timeout+0x730/0x730 [ 506.067541] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 506.067556] ? validate_nla+0x270/0x820 [ 506.067577] ? nla_parse+0x1b2/0x290 [ 506.085684] UDF-fs: Scanning with blocksize 4096 failed [ 506.086140] genl_family_rcv_msg+0x642/0xc40 [ 506.157890] ? genl_rcv+0x40/0x40 [ 506.161324] ? genl_rcv_msg+0x12f/0x160 [ 506.165298] ? mutex_trylock+0x1a0/0x1a0 [ 506.169368] ? __radix_tree_lookup+0x216/0x370 [ 506.173935] genl_rcv_msg+0xbf/0x160 [ 506.177652] netlink_rcv_skb+0x160/0x440 [ 506.181706] ? genl_family_rcv_msg+0xc40/0xc40 [ 506.186291] ? netlink_ack+0xae0/0xae0 [ 506.190182] ? genl_rcv+0x15/0x40 [ 506.193622] genl_rcv+0x24/0x40 [ 506.196886] netlink_unicast+0x4d5/0x690 [ 506.200932] ? netlink_sendskb+0x110/0x110 [ 506.205159] ? _copy_from_iter_full+0x229/0x7c0 [ 506.209822] ? __phys_addr_symbol+0x2c/0x70 [ 506.214138] ? __check_object_size+0x17b/0x3e0 [ 506.218709] netlink_sendmsg+0x6c3/0xc50 [ 506.222753] ? aa_af_perm+0x230/0x230 [ 506.226552] ? nlmsg_notify+0x1f0/0x1f0 01:09:32 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) timer_create(0x3, &(0x7f0000001b00)={0x0, 0x7}, &(0x7f0000002b80)) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) clock_gettime(0x0, &(0x7f0000002c00)={0x0, 0x0}) timer_settime(r2, 0x1, &(0x7f0000002c40)={{r3, r4+10000000}, {0x77359400}}, &(0x7f0000002c80)) clock_gettime(0x6, &(0x7f0000002bc0)) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r5 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r5}, &(0x7f0000000040)=0x0) recvmmsg(r0, &(0x7f00000018c0)=[{{&(0x7f0000000140)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @initdev}}}, 0x80, 0x0, 0x0, &(0x7f00000001c0)=""/43, 0x2b}, 0x1}, {{&(0x7f00000002c0)=@generic, 0x80, &(0x7f0000000380)=[{&(0x7f0000000240)=""/49, 0x31}], 0x1, &(0x7f00000003c0)=""/11, 0xb}, 0x1}, {{&(0x7f0000000440)=@generic, 0x80, &(0x7f00000009c0)=[{&(0x7f00000004c0)=""/141, 0x8d}, {&(0x7f0000000580)=""/130, 0x82}, {&(0x7f0000000640)=""/21, 0x15}, {&(0x7f0000000680)=""/204, 0xcc}, {&(0x7f0000000780)=""/34, 0x22}, {&(0x7f00000007c0)=""/189, 0xbd}, {&(0x7f0000000880)=""/127, 0x7f}, {&(0x7f0000000900)=""/156, 0x9c}], 0x8, &(0x7f0000000a40)=""/127, 0x7f}, 0x2}, {{&(0x7f0000000ac0)=@nfc, 0x80, &(0x7f0000000c00)=[{&(0x7f0000000b40)=""/145, 0x91}], 0x1, &(0x7f0000000c40)=""/232, 0xe8}}, {{&(0x7f0000000d40)=@pppoe={0x18, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000000f80)=[{&(0x7f0000000dc0)=""/140, 0x8c}, {&(0x7f0000000e80)=""/53, 0x35}, {&(0x7f0000000ec0)=""/141, 0x8d}], 0x3}, 0xa03}, {{&(0x7f0000000fc0)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, 0x80, &(0x7f0000001200)=[{&(0x7f0000001040)=""/195, 0xc3}, {&(0x7f0000001140)=""/150, 0x96}], 0x2, &(0x7f0000001240)=""/88, 0x58}, 0x1f}, {{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f00000012c0)=""/206, 0xce}, {&(0x7f00000013c0)=""/159, 0x9f}, {&(0x7f0000001480)=""/130, 0x82}, {&(0x7f0000001540)=""/97, 0x61}], 0x4, &(0x7f0000001600)=""/190, 0xbe}, 0x9}, {{&(0x7f00000016c0)=@alg, 0x80, &(0x7f0000001780)=[{&(0x7f0000001b80)=""/4096, 0x1000}, {&(0x7f0000001740)=""/17, 0x11}], 0x2, &(0x7f00000017c0)=""/242, 0xf2}, 0x9}], 0x8, 0x60000000, &(0x7f0000001ac0)={0x0, 0x3938700}) timer_settime(r6, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 506.230505] ? kernel_recvmsg+0x220/0x220 [ 506.234643] ? nlmsg_notify+0x1f0/0x1f0 [ 506.238618] sock_sendmsg+0xc3/0x120 [ 506.242333] ___sys_sendmsg+0x7bb/0x8e0 [ 506.246310] ? check_preemption_disabled+0x41/0x280 [ 506.251326] ? copy_msghdr_from_user+0x440/0x440 [ 506.256085] ? __fget+0x32f/0x510 [ 506.259544] ? lock_downgrade+0x720/0x720 [ 506.263710] ? check_preemption_disabled+0x41/0x280 [ 506.268733] ? check_preemption_disabled+0x41/0x280 [ 506.273767] ? __fget+0x356/0x510 [ 506.277228] ? do_dup2+0x450/0x450 [ 506.280763] ? lock_downgrade+0x720/0x720 [ 506.284905] ? vfs_write+0x3d7/0x540 [ 506.288611] ? __fdget+0x1d0/0x230 [ 506.292144] __x64_sys_sendmsg+0x132/0x220 [ 506.296378] ? __sys_sendmsg+0x1b0/0x1b0 [ 506.300428] ? vfs_write+0x393/0x540 [ 506.304140] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 506.309500] ? trace_hardirqs_off_caller+0x6e/0x210 [ 506.314532] ? do_syscall_64+0x21/0x620 [ 506.318503] do_syscall_64+0xf9/0x620 [ 506.322315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.327496] RIP: 0033:0x7ff970b3e279 [ 506.331200] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 506.350372] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 506.358064] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 506.365313] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 506.372563] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 01:09:32 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 9) [ 506.379818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 506.387087] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 506.399842] nbd: failed to add new device [ 506.438417] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 506.456487] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 506.457600] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found 01:09:32 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 506.491263] UDF-fs: Scanning with blocksize 512 failed [ 506.520316] UDF-fs: Scanning with blocksize 1024 failed [ 506.541362] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 506.564849] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 506.571441] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 506.581721] UDF-fs: Scanning with blocksize 1024 failed [ 506.585546] UDF-fs: Scanning with blocksize 2048 failed [ 506.614699] FAULT_INJECTION: forcing a failure. [ 506.614699] name failslab, interval 1, probability 0, space 0, times 0 [ 506.634332] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 506.645278] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 506.653624] UDF-fs: Scanning with blocksize 4096 failed [ 506.666483] UDF-fs: Scanning with blocksize 2048 failed [ 506.670050] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 506.679363] CPU: 0 PID: 30836 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 506.685044] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 506.689097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 506.689103] Call Trace: [ 506.689124] dump_stack+0x1fc/0x2ef [ 506.689144] should_fail.cold+0xa/0xf [ 506.689169] ? setup_fault_attr+0x200/0x200 [ 506.703493] UDF-fs: Scanning with blocksize 512 failed [ 506.707948] ? lock_acquire+0x170/0x3c0 [ 506.707972] __should_failslab+0x115/0x180 [ 506.707993] should_failslab+0x5/0x10 [ 506.708006] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 506.708023] blk_mq_init_tags+0x6a/0x2b0 [ 506.748708] blk_mq_alloc_rq_map+0x9d/0x230 [ 506.753027] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 506.757527] blk_mq_alloc_tag_set+0x589/0xa30 [ 506.762034] nbd_dev_add+0x297/0x890 [ 506.765750] nbd_genl_connect+0x488/0x1630 [ 506.769980] ? nbd_xmit_timeout+0x730/0x730 [ 506.774292] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 506.779475] ? validate_nla+0x270/0x820 [ 506.783440] ? nla_parse+0x1b2/0x290 [ 506.787146] genl_family_rcv_msg+0x642/0xc40 [ 506.791545] ? genl_rcv+0x40/0x40 [ 506.794984] ? genl_rcv_msg+0x12f/0x160 [ 506.798952] ? mutex_trylock+0x1a0/0x1a0 [ 506.803026] ? __radix_tree_lookup+0x216/0x370 [ 506.807606] genl_rcv_msg+0xbf/0x160 [ 506.811305] netlink_rcv_skb+0x160/0x440 [ 506.815362] ? genl_family_rcv_msg+0xc40/0xc40 [ 506.819952] ? netlink_ack+0xae0/0xae0 [ 506.823845] ? genl_rcv+0x15/0x40 [ 506.827300] genl_rcv+0x24/0x40 [ 506.830568] netlink_unicast+0x4d5/0x690 [ 506.834622] ? netlink_sendskb+0x110/0x110 [ 506.838847] ? _copy_from_iter_full+0x229/0x7c0 [ 506.843508] ? __phys_addr_symbol+0x2c/0x70 [ 506.847816] ? __check_object_size+0x17b/0x3e0 [ 506.852396] netlink_sendmsg+0x6c3/0xc50 [ 506.856446] ? aa_af_perm+0x230/0x230 [ 506.860230] ? nlmsg_notify+0x1f0/0x1f0 [ 506.864188] ? kernel_recvmsg+0x220/0x220 [ 506.868326] ? nlmsg_notify+0x1f0/0x1f0 [ 506.872287] sock_sendmsg+0xc3/0x120 [ 506.876002] ___sys_sendmsg+0x7bb/0x8e0 [ 506.879967] ? check_preemption_disabled+0x41/0x280 [ 506.884967] ? copy_msghdr_from_user+0x440/0x440 [ 506.889718] ? __fget+0x32f/0x510 [ 506.893163] ? lock_downgrade+0x720/0x720 [ 506.897301] ? check_preemption_disabled+0x41/0x280 [ 506.902305] ? check_preemption_disabled+0x41/0x280 [ 506.907316] ? __fget+0x356/0x510 [ 506.910759] ? do_dup2+0x450/0x450 [ 506.914283] ? lock_downgrade+0x720/0x720 [ 506.918417] ? vfs_write+0x3d7/0x540 [ 506.922117] ? __fdget+0x1d0/0x230 [ 506.925649] __x64_sys_sendmsg+0x132/0x220 [ 506.929870] ? __sys_sendmsg+0x1b0/0x1b0 [ 506.933920] ? vfs_write+0x393/0x540 [ 506.937628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 506.942979] ? trace_hardirqs_off_caller+0x6e/0x210 [ 506.948067] ? do_syscall_64+0x21/0x620 [ 506.952028] do_syscall_64+0xf9/0x620 [ 506.955818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.960991] RIP: 0033:0x7ff970b3e279 [ 506.964691] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 506.983586] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 506.991293] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 506.998545] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 507.005796] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 01:09:33 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 507.013049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 507.020300] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 507.073845] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 507.078262] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 507.096276] UDF-fs: Scanning with blocksize 1024 failed [ 507.103576] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 507.106018] UDF-fs: Scanning with blocksize 4096 failed [ 507.132151] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 507.137156] UDF-fs: Scanning with blocksize 512 failed [ 507.148468] UDF-fs: Scanning with blocksize 2048 failed [ 507.160543] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 507.167939] blk-mq: reduced tag depth (128 -> 64) [ 507.175249] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:33 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:33 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 10) [ 507.182626] UDF-fs: Scanning with blocksize 4096 failed [ 507.193066] UDF-fs: Scanning with blocksize 1024 failed [ 507.197993] nbd: couldn't find device at index -1627389953 [ 507.204963] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 507.211856] UDF-fs: Scanning with blocksize 2048 failed [ 507.218116] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 507.225604] UDF-fs: Scanning with blocksize 4096 failed 01:09:33 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:33 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:33 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (async) timer_create(0x3, &(0x7f0000001b00)={0x0, 0x7}, &(0x7f0000002b80)) (async) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) clock_gettime(0x0, &(0x7f0000002c00)={0x0, 0x0}) timer_settime(r2, 0x1, &(0x7f0000002c40)={{r3, r4+10000000}, {0x77359400}}, &(0x7f0000002c80)) (async) clock_gettime(0x6, &(0x7f0000002bc0)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r5 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r5}, &(0x7f0000000040)=0x0) recvmmsg(r0, &(0x7f00000018c0)=[{{&(0x7f0000000140)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @initdev}}}, 0x80, 0x0, 0x0, &(0x7f00000001c0)=""/43, 0x2b}, 0x1}, {{&(0x7f00000002c0)=@generic, 0x80, &(0x7f0000000380)=[{&(0x7f0000000240)=""/49, 0x31}], 0x1, &(0x7f00000003c0)=""/11, 0xb}, 0x1}, {{&(0x7f0000000440)=@generic, 0x80, &(0x7f00000009c0)=[{&(0x7f00000004c0)=""/141, 0x8d}, {&(0x7f0000000580)=""/130, 0x82}, {&(0x7f0000000640)=""/21, 0x15}, {&(0x7f0000000680)=""/204, 0xcc}, {&(0x7f0000000780)=""/34, 0x22}, {&(0x7f00000007c0)=""/189, 0xbd}, {&(0x7f0000000880)=""/127, 0x7f}, {&(0x7f0000000900)=""/156, 0x9c}], 0x8, &(0x7f0000000a40)=""/127, 0x7f}, 0x2}, {{&(0x7f0000000ac0)=@nfc, 0x80, &(0x7f0000000c00)=[{&(0x7f0000000b40)=""/145, 0x91}], 0x1, &(0x7f0000000c40)=""/232, 0xe8}}, {{&(0x7f0000000d40)=@pppoe={0x18, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000000f80)=[{&(0x7f0000000dc0)=""/140, 0x8c}, {&(0x7f0000000e80)=""/53, 0x35}, {&(0x7f0000000ec0)=""/141, 0x8d}], 0x3}, 0xa03}, {{&(0x7f0000000fc0)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, 0x80, &(0x7f0000001200)=[{&(0x7f0000001040)=""/195, 0xc3}, {&(0x7f0000001140)=""/150, 0x96}], 0x2, &(0x7f0000001240)=""/88, 0x58}, 0x1f}, {{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f00000012c0)=""/206, 0xce}, {&(0x7f00000013c0)=""/159, 0x9f}, {&(0x7f0000001480)=""/130, 0x82}, {&(0x7f0000001540)=""/97, 0x61}], 0x4, &(0x7f0000001600)=""/190, 0xbe}, 0x9}, {{&(0x7f00000016c0)=@alg, 0x80, &(0x7f0000001780)=[{&(0x7f0000001b80)=""/4096, 0x1000}, {&(0x7f0000001740)=""/17, 0x11}], 0x2, &(0x7f00000017c0)=""/242, 0xf2}, 0x9}], 0x8, 0x60000000, &(0x7f0000001ac0)={0x0, 0x3938700}) (async) timer_settime(r6, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 507.327150] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 507.354005] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 507.365250] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 507.419918] UDF-fs: error (device loop3): udf_process_sequence: Primary Volume Descriptor not found! [ 507.434030] UDF-fs: Scanning with blocksize 512 failed [ 507.480017] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 507.496912] UDF-fs: Scanning with blocksize 512 failed [ 507.498437] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 507.513617] UDF-fs: Scanning with blocksize 1024 failed [ 507.522828] FAULT_INJECTION: forcing a failure. [ 507.522828] name failslab, interval 1, probability 0, space 0, times 0 [ 507.553020] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 507.560865] CPU: 0 PID: 30879 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 507.568757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 507.578268] Call Trace: [ 507.580866] dump_stack+0x1fc/0x2ef [ 507.584512] should_fail.cold+0xa/0xf [ 507.588325] ? setup_fault_attr+0x200/0x200 [ 507.592664] ? lock_acquire+0x170/0x3c0 [ 507.596653] __should_failslab+0x115/0x180 [ 507.600895] should_failslab+0x5/0x10 [ 507.604703] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 507.609816] __kmalloc_node+0x38/0x70 [ 507.613630] sbitmap_init_node+0x123/0x440 [ 507.617878] sbitmap_queue_init_node+0x37/0x6c0 [ 507.622545] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 507.627580] blk_mq_init_tags+0x10d/0x2b0 [ 507.631739] blk_mq_alloc_rq_map+0x9d/0x230 [ 507.636076] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 507.636387] UDF-fs: Scanning with blocksize 2048 failed [ 507.640580] blk_mq_alloc_tag_set+0x589/0xa30 [ 507.640605] nbd_dev_add+0x297/0x890 [ 507.640621] nbd_genl_connect+0x488/0x1630 [ 507.640639] ? nbd_xmit_timeout+0x730/0x730 [ 507.640657] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 507.640673] ? validate_nla+0x270/0x820 [ 507.640692] ? nla_parse+0x1b2/0x290 [ 507.640712] genl_family_rcv_msg+0x642/0xc40 [ 507.640734] ? genl_rcv+0x40/0x40 [ 507.640746] ? genl_rcv_msg+0x12f/0x160 [ 507.640761] ? mutex_trylock+0x1a0/0x1a0 [ 507.640785] ? __radix_tree_lookup+0x216/0x370 [ 507.640806] genl_rcv_msg+0xbf/0x160 [ 507.640822] netlink_rcv_skb+0x160/0x440 [ 507.640838] ? genl_family_rcv_msg+0xc40/0xc40 [ 507.640852] ? netlink_ack+0xae0/0xae0 [ 507.640870] ? genl_rcv+0x15/0x40 [ 507.640891] genl_rcv+0x24/0x40 [ 507.640905] netlink_unicast+0x4d5/0x690 [ 507.640923] ? netlink_sendskb+0x110/0x110 [ 507.640937] ? _copy_from_iter_full+0x229/0x7c0 [ 507.640951] ? __phys_addr_symbol+0x2c/0x70 [ 507.640968] ? __check_object_size+0x17b/0x3e0 [ 507.640985] netlink_sendmsg+0x6c3/0xc50 [ 507.641004] ? aa_af_perm+0x230/0x230 [ 507.641017] ? nlmsg_notify+0x1f0/0x1f0 [ 507.641027] ? kernel_recvmsg+0x220/0x220 [ 507.641046] ? nlmsg_notify+0x1f0/0x1f0 [ 507.760878] sock_sendmsg+0xc3/0x120 [ 507.764581] ___sys_sendmsg+0x7bb/0x8e0 [ 507.768549] ? check_preemption_disabled+0x41/0x280 [ 507.773568] ? copy_msghdr_from_user+0x440/0x440 [ 507.778312] ? __fget+0x32f/0x510 [ 507.781756] ? lock_downgrade+0x720/0x720 [ 507.785892] ? check_preemption_disabled+0x41/0x280 [ 507.790897] ? check_preemption_disabled+0x41/0x280 [ 507.795900] ? __fget+0x356/0x510 [ 507.799348] ? do_dup2+0x450/0x450 [ 507.802884] ? lock_downgrade+0x720/0x720 [ 507.807026] ? vfs_write+0x3d7/0x540 [ 507.810726] ? __fdget+0x1d0/0x230 [ 507.814253] __x64_sys_sendmsg+0x132/0x220 [ 507.818475] ? __sys_sendmsg+0x1b0/0x1b0 [ 507.822520] ? vfs_write+0x393/0x540 [ 507.826234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 507.831584] ? trace_hardirqs_off_caller+0x6e/0x210 [ 507.836626] ? do_syscall_64+0x21/0x620 [ 507.840587] do_syscall_64+0xf9/0x620 [ 507.844381] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.849557] RIP: 0033:0x7ff970b3e279 [ 507.853264] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 507.872147] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 507.879840] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 507.887093] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 507.894350] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 507.901612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 507.908864] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 507.937277] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 507.951998] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 507.958903] UDF-fs: Scanning with blocksize 512 failed [ 507.977956] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 507.998836] UDF-fs: Scanning with blocksize 1024 failed [ 508.018253] UDF-fs: Scanning with blocksize 1024 failed [ 508.024483] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 508.046626] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:34 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 508.064734] UDF-fs: warning (device loop3): udf_load_vrs: No anchor found [ 508.068913] blk-mq: reduced tag depth (128 -> 64) [ 508.072042] UDF-fs: Scanning with blocksize 2048 failed [ 508.084540] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 508.091221] UDF-fs: Scanning with blocksize 4096 failed [ 508.111262] nbd: couldn't find device at index -1627389953 01:09:34 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 11) [ 508.128570] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 508.150835] UDF-fs: Scanning with blocksize 2048 failed [ 508.159807] UDF-fs: Scanning with blocksize 512 failed [ 508.171725] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 508.186803] UDF-fs: Scanning with blocksize 4096 failed [ 508.207635] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 508.231711] UDF-fs: Scanning with blocksize 1024 failed [ 508.236633] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 508.244503] UDF-fs: Scanning with blocksize 4096 failed [ 508.257711] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 508.266001] FAULT_INJECTION: forcing a failure. [ 508.266001] name failslab, interval 1, probability 0, space 0, times 0 [ 508.278401] CPU: 1 PID: 30911 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 508.286298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 508.295648] Call Trace: [ 508.298247] dump_stack+0x1fc/0x2ef [ 508.301886] should_fail.cold+0xa/0xf [ 508.305697] ? setup_fault_attr+0x200/0x200 [ 508.310028] ? lock_acquire+0x170/0x3c0 [ 508.314018] __should_failslab+0x115/0x180 [ 508.318262] should_failslab+0x5/0x10 [ 508.322069] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 508.326565] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 508.327169] sbitmap_queue_init_node+0x240/0x6c0 [ 508.338831] blk_mq_init_tags+0x10d/0x2b0 [ 508.338930] UDF-fs: Scanning with blocksize 2048 failed [ 508.342978] blk_mq_alloc_rq_map+0x9d/0x230 [ 508.342999] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 508.343014] blk_mq_alloc_tag_set+0x589/0xa30 [ 508.343036] nbd_dev_add+0x297/0x890 [ 508.343052] nbd_genl_connect+0x488/0x1630 [ 508.343071] ? nbd_xmit_timeout+0x730/0x730 [ 508.343087] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 508.343104] ? validate_nla+0x270/0x820 [ 508.350297] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 508.352760] ? nla_parse+0x1b2/0x290 [ 508.352782] genl_family_rcv_msg+0x642/0xc40 [ 508.352800] ? genl_rcv+0x40/0x40 [ 508.352811] ? genl_rcv_msg+0x12f/0x160 [ 508.352825] ? mutex_trylock+0x1a0/0x1a0 [ 508.352847] ? __radix_tree_lookup+0x216/0x370 [ 508.352868] genl_rcv_msg+0xbf/0x160 [ 508.352885] netlink_rcv_skb+0x160/0x440 [ 508.352898] ? genl_family_rcv_msg+0xc40/0xc40 [ 508.352911] ? netlink_ack+0xae0/0xae0 [ 508.352927] ? genl_rcv+0x15/0x40 [ 508.352945] genl_rcv+0x24/0x40 [ 508.363968] UDF-fs: Scanning with blocksize 4096 failed [ 508.365595] netlink_unicast+0x4d5/0x690 [ 508.365616] ? netlink_sendskb+0x110/0x110 [ 508.365628] ? _copy_from_iter_full+0x229/0x7c0 [ 508.365645] ? __phys_addr_symbol+0x2c/0x70 [ 508.459477] ? __check_object_size+0x17b/0x3e0 [ 508.464075] netlink_sendmsg+0x6c3/0xc50 [ 508.468133] ? aa_af_perm+0x230/0x230 [ 508.471933] ? nlmsg_notify+0x1f0/0x1f0 [ 508.475907] ? kernel_recvmsg+0x220/0x220 [ 508.480062] ? nlmsg_notify+0x1f0/0x1f0 [ 508.484031] sock_sendmsg+0xc3/0x120 [ 508.487735] ___sys_sendmsg+0x7bb/0x8e0 [ 508.491700] ? check_preemption_disabled+0x41/0x280 [ 508.496793] ? copy_msghdr_from_user+0x440/0x440 [ 508.501556] ? __fget+0x32f/0x510 [ 508.505011] ? lock_downgrade+0x720/0x720 [ 508.509157] ? check_preemption_disabled+0x41/0x280 [ 508.514156] ? check_preemption_disabled+0x41/0x280 [ 508.519155] ? __fget+0x356/0x510 [ 508.522613] ? do_dup2+0x450/0x450 [ 508.526152] ? lock_downgrade+0x720/0x720 [ 508.530290] ? vfs_write+0x3d7/0x540 [ 508.533994] ? __fdget+0x1d0/0x230 [ 508.537538] __x64_sys_sendmsg+0x132/0x220 [ 508.541789] ? __sys_sendmsg+0x1b0/0x1b0 [ 508.545865] ? vfs_write+0x393/0x540 [ 508.549590] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 508.554941] ? trace_hardirqs_off_caller+0x6e/0x210 [ 508.559995] ? do_syscall_64+0x21/0x620 [ 508.563962] do_syscall_64+0xf9/0x620 [ 508.567782] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.572951] RIP: 0033:0x7ff970b3e279 [ 508.576642] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 508.595613] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 508.603311] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 508.610575] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 508.617829] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 508.625083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 508.633211] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:34 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:34 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:34 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 12) 01:09:35 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 508.656537] blk-mq: reduced tag depth (128 -> 64) [ 508.674943] nbd: couldn't find device at index -1627389953 [ 508.757256] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 508.767234] UDF-fs: Scanning with blocksize 512 failed [ 508.784716] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 508.820665] UDF-fs: Scanning with blocksize 1024 failed [ 508.843369] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 508.860951] UDF-fs: Scanning with blocksize 2048 failed [ 508.877066] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 508.906041] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 508.917500] UDF-fs: Scanning with blocksize 4096 failed [ 508.933381] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 508.948411] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 508.955648] UDF-fs: Scanning with blocksize 512 failed [ 508.956412] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 508.972753] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 508.990353] FAULT_INJECTION: forcing a failure. [ 508.990353] name failslab, interval 1, probability 0, space 0, times 0 [ 508.999085] UDF-fs: Scanning with blocksize 1024 failed [ 509.009468] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 509.020605] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 509.030665] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 509.039324] CPU: 1 PID: 30937 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 509.047214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 509.056564] Call Trace: [ 509.059160] dump_stack+0x1fc/0x2ef [ 509.062798] should_fail.cold+0xa/0xf [ 509.066610] ? setup_fault_attr+0x200/0x200 [ 509.070937] ? lock_acquire+0x170/0x3c0 [ 509.074927] __should_failslab+0x115/0x180 [ 509.079174] should_failslab+0x5/0x10 [ 509.082986] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 509.088104] sbitmap_queue_init_node+0x240/0x6c0 [ 509.092872] blk_mq_init_tags+0x16f/0x2b0 [ 509.097029] blk_mq_alloc_rq_map+0x9d/0x230 [ 509.101361] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 509.103769] UDF-fs: Scanning with blocksize 2048 failed [ 509.105862] blk_mq_alloc_tag_set+0x589/0xa30 [ 509.105887] nbd_dev_add+0x297/0x890 [ 509.105907] nbd_genl_connect+0x488/0x1630 [ 509.105924] ? nbd_xmit_timeout+0x730/0x730 [ 509.105941] ? __sanitizer_cov_trace_switch+0x4b/0x80 01:09:35 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 509.124363] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 509.125162] ? validate_nla+0x270/0x820 [ 509.125183] ? nla_parse+0x1b2/0x290 [ 509.125205] genl_family_rcv_msg+0x642/0xc40 [ 509.125227] ? genl_rcv+0x40/0x40 [ 509.129654] UDF-fs: Scanning with blocksize 4096 failed [ 509.134698] ? genl_rcv_msg+0x12f/0x160 [ 509.134714] ? mutex_trylock+0x1a0/0x1a0 [ 509.134739] ? __radix_tree_lookup+0x216/0x370 [ 509.134760] genl_rcv_msg+0xbf/0x160 [ 509.134775] netlink_rcv_skb+0x160/0x440 [ 509.134790] ? genl_family_rcv_msg+0xc40/0xc40 [ 509.134804] ? netlink_ack+0xae0/0xae0 [ 509.134819] ? genl_rcv+0x15/0x40 [ 509.134837] genl_rcv+0x24/0x40 [ 509.134848] netlink_unicast+0x4d5/0x690 [ 509.134865] ? netlink_sendskb+0x110/0x110 [ 509.148326] UDF-fs: Scanning with blocksize 512 failed [ 509.149167] ? _copy_from_iter_full+0x229/0x7c0 [ 509.157006] UDF-fs: Scanning with blocksize 512 failed [ 509.162356] ? __phys_addr_symbol+0x2c/0x70 [ 509.162374] ? __check_object_size+0x17b/0x3e0 [ 509.162395] netlink_sendmsg+0x6c3/0xc50 [ 509.162413] ? aa_af_perm+0x230/0x230 [ 509.162425] ? nlmsg_notify+0x1f0/0x1f0 [ 509.162436] ? kernel_recvmsg+0x220/0x220 [ 509.162455] ? nlmsg_notify+0x1f0/0x1f0 [ 509.162470] sock_sendmsg+0xc3/0x120 [ 509.162483] ___sys_sendmsg+0x7bb/0x8e0 [ 509.162501] ? check_preemption_disabled+0x41/0x280 [ 509.162514] ? copy_msghdr_from_user+0x440/0x440 [ 509.267373] ? __fget+0x32f/0x510 [ 509.270826] ? lock_downgrade+0x720/0x720 [ 509.274973] ? check_preemption_disabled+0x41/0x280 [ 509.280060] ? check_preemption_disabled+0x41/0x280 [ 509.285060] ? __fget+0x356/0x510 [ 509.288509] ? do_dup2+0x450/0x450 [ 509.292043] ? lock_downgrade+0x720/0x720 [ 509.296170] ? vfs_write+0x3d7/0x540 [ 509.299864] ? __fdget+0x1d0/0x230 [ 509.303404] __x64_sys_sendmsg+0x132/0x220 [ 509.307617] ? __sys_sendmsg+0x1b0/0x1b0 [ 509.311655] ? vfs_write+0x393/0x540 [ 509.315370] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 509.320735] ? trace_hardirqs_off_caller+0x6e/0x210 [ 509.325821] ? do_syscall_64+0x21/0x620 [ 509.329780] do_syscall_64+0xf9/0x620 [ 509.333665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 509.338835] RIP: 0033:0x7ff970b3e279 [ 509.342546] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 509.361436] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 509.369123] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 509.376373] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 509.383626] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 509.390889] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 509.398145] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 509.411730] blk-mq: reduced tag depth (128 -> 64) [ 509.424171] nbd: couldn't find device at index -1627389953 01:09:35 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 13) [ 509.441411] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 509.466318] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 509.468044] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 509.474302] FAULT_INJECTION: forcing a failure. [ 509.474302] name failslab, interval 1, probability 0, space 0, times 0 01:09:35 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 509.490817] UDF-fs: Scanning with blocksize 1024 failed [ 509.515442] UDF-fs: Scanning with blocksize 1024 failed [ 509.517070] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 509.530926] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 509.537927] UDF-fs: Scanning with blocksize 512 failed [ 509.543954] UDF-fs: Scanning with blocksize 2048 failed [ 509.547765] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 509.556674] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 509.565367] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 509.566318] CPU: 1 PID: 30957 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 509.577824] UDF-fs: Scanning with blocksize 1024 failed [ 509.579906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 509.579911] Call Trace: [ 509.579938] dump_stack+0x1fc/0x2ef [ 509.579959] should_fail.cold+0xa/0xf [ 509.579977] ? setup_fault_attr+0x200/0x200 [ 509.579994] ? __lockdep_init_map+0x100/0x5a0 [ 509.587647] UDF-fs: Scanning with blocksize 4096 failed [ 509.594682] __should_failslab+0x115/0x180 [ 509.594702] should_failslab+0x5/0x10 [ 509.594718] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 509.594733] __kmalloc_node+0x38/0x70 [ 509.594750] blk_mq_alloc_rq_map+0xdf/0x230 [ 509.594767] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 509.594782] blk_mq_alloc_tag_set+0x589/0xa30 [ 509.594804] nbd_dev_add+0x297/0x890 [ 509.594822] nbd_genl_connect+0x488/0x1630 [ 509.594841] ? nbd_xmit_timeout+0x730/0x730 [ 509.661228] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 509.666408] ? validate_nla+0x270/0x820 [ 509.670373] ? nla_parse+0x1b2/0x290 [ 509.674079] genl_family_rcv_msg+0x642/0xc40 [ 509.678478] ? genl_rcv+0x40/0x40 [ 509.681918] ? genl_rcv_msg+0x12f/0x160 [ 509.685876] ? mutex_trylock+0x1a0/0x1a0 [ 509.689943] ? __radix_tree_lookup+0x216/0x370 [ 509.694523] genl_rcv_msg+0xbf/0x160 [ 509.698247] netlink_rcv_skb+0x160/0x440 [ 509.702299] ? genl_family_rcv_msg+0xc40/0xc40 [ 509.707005] ? netlink_ack+0xae0/0xae0 [ 509.710888] ? genl_rcv+0x15/0x40 [ 509.714340] genl_rcv+0x24/0x40 [ 509.717609] netlink_unicast+0x4d5/0x690 [ 509.721659] ? netlink_sendskb+0x110/0x110 [ 509.725890] ? _copy_from_iter_full+0x229/0x7c0 [ 509.730549] ? __phys_addr_symbol+0x2c/0x70 [ 509.734861] ? __check_object_size+0x17b/0x3e0 [ 509.739441] netlink_sendmsg+0x6c3/0xc50 [ 509.743509] ? aa_af_perm+0x230/0x230 [ 509.747299] ? nlmsg_notify+0x1f0/0x1f0 [ 509.751407] ? kernel_recvmsg+0x220/0x220 [ 509.755580] ? nlmsg_notify+0x1f0/0x1f0 [ 509.759559] sock_sendmsg+0xc3/0x120 [ 509.763265] ___sys_sendmsg+0x7bb/0x8e0 [ 509.767239] ? check_preemption_disabled+0x41/0x280 [ 509.772243] ? copy_msghdr_from_user+0x440/0x440 [ 509.776988] ? __fget+0x32f/0x510 [ 509.780430] ? lock_downgrade+0x720/0x720 [ 509.784572] ? check_preemption_disabled+0x41/0x280 [ 509.789595] ? check_preemption_disabled+0x41/0x280 [ 509.794598] ? __fget+0x356/0x510 [ 509.798040] ? do_dup2+0x450/0x450 [ 509.801572] ? lock_downgrade+0x720/0x720 [ 509.805720] ? vfs_write+0x3d7/0x540 [ 509.809434] ? __fdget+0x1d0/0x230 [ 509.812966] __x64_sys_sendmsg+0x132/0x220 [ 509.817188] ? __sys_sendmsg+0x1b0/0x1b0 [ 509.821247] ? vfs_write+0x393/0x540 [ 509.824968] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 509.830318] ? trace_hardirqs_off_caller+0x6e/0x210 [ 509.835322] ? do_syscall_64+0x21/0x620 [ 509.839291] do_syscall_64+0xf9/0x620 [ 509.843081] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 509.848253] RIP: 0033:0x7ff970b3e279 [ 509.851951] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 509.870837] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 509.878620] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 509.885965] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 509.893218] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 509.900469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 509.907721] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:36 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e75785544", 0x60, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 509.931236] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 509.937722] UDF-fs: Scanning with blocksize 512 failed [ 509.949674] UDF-fs: Scanning with blocksize 2048 failed [ 509.957524] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 509.967491] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 509.988814] UDF-fs: Scanning with blocksize 4096 failed [ 509.990070] UDF-fs: Scanning with blocksize 1024 failed [ 510.027173] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found 01:09:36 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 510.036999] UDF-fs: Scanning with blocksize 2048 failed [ 510.049923] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 510.057666] UDF-fs: Scanning with blocksize 4096 failed [ 510.059898] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.072905] UDF-fs: Scanning with blocksize 2048 failed [ 510.074151] blk-mq: reduced tag depth (128 -> 64) [ 510.084112] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.090954] UDF-fs: Scanning with blocksize 4096 failed [ 510.093657] nbd: couldn't find device at index -1627389953 [ 510.110105] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 510.120636] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 510.134811] UDF-fs: Scanning with blocksize 512 failed [ 510.148772] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 510.158246] UDF-fs: Scanning with blocksize 1024 failed [ 510.261158] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 510.270120] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 510.279819] UDF-fs: Scanning with blocksize 2048 failed [ 510.286999] UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! [ 510.296949] UDF-fs: Scanning with blocksize 512 failed [ 510.304929] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 510.312049] UDF-fs: Scanning with blocksize 4096 failed [ 510.353523] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 510.360479] UDF-fs: Scanning with blocksize 1024 failed 01:09:36 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async, rerun: 32) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (async, rerun: 32) timer_create(0x3, &(0x7f0000001b00)={0x0, 0x7}, &(0x7f0000002b80)) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) (async) clock_gettime(0x0, &(0x7f0000002c00)={0x0, 0x0}) timer_settime(r2, 0x1, &(0x7f0000002c40)={{r3, r4+10000000}, {0x77359400}}, &(0x7f0000002c80)) (async, rerun: 64) clock_gettime(0x6, &(0x7f0000002bc0)) (async, rerun: 64) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r5 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r5}, &(0x7f0000000040)=0x0) recvmmsg(r0, &(0x7f00000018c0)=[{{&(0x7f0000000140)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @initdev}}}, 0x80, 0x0, 0x0, &(0x7f00000001c0)=""/43, 0x2b}, 0x1}, {{&(0x7f00000002c0)=@generic, 0x80, &(0x7f0000000380)=[{&(0x7f0000000240)=""/49, 0x31}], 0x1, &(0x7f00000003c0)=""/11, 0xb}, 0x1}, {{&(0x7f0000000440)=@generic, 0x80, &(0x7f00000009c0)=[{&(0x7f00000004c0)=""/141, 0x8d}, {&(0x7f0000000580)=""/130, 0x82}, {&(0x7f0000000640)=""/21, 0x15}, {&(0x7f0000000680)=""/204, 0xcc}, {&(0x7f0000000780)=""/34, 0x22}, {&(0x7f00000007c0)=""/189, 0xbd}, {&(0x7f0000000880)=""/127, 0x7f}, {&(0x7f0000000900)=""/156, 0x9c}], 0x8, &(0x7f0000000a40)=""/127, 0x7f}, 0x2}, {{&(0x7f0000000ac0)=@nfc, 0x80, &(0x7f0000000c00)=[{&(0x7f0000000b40)=""/145, 0x91}], 0x1, &(0x7f0000000c40)=""/232, 0xe8}}, {{&(0x7f0000000d40)=@pppoe={0x18, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000000f80)=[{&(0x7f0000000dc0)=""/140, 0x8c}, {&(0x7f0000000e80)=""/53, 0x35}, {&(0x7f0000000ec0)=""/141, 0x8d}], 0x3}, 0xa03}, {{&(0x7f0000000fc0)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, 0x80, &(0x7f0000001200)=[{&(0x7f0000001040)=""/195, 0xc3}, {&(0x7f0000001140)=""/150, 0x96}], 0x2, &(0x7f0000001240)=""/88, 0x58}, 0x1f}, {{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f00000012c0)=""/206, 0xce}, {&(0x7f00000013c0)=""/159, 0x9f}, {&(0x7f0000001480)=""/130, 0x82}, {&(0x7f0000001540)=""/97, 0x61}], 0x4, &(0x7f0000001600)=""/190, 0xbe}, 0x9}, {{&(0x7f00000016c0)=@alg, 0x80, &(0x7f0000001780)=[{&(0x7f0000001b80)=""/4096, 0x1000}, {&(0x7f0000001740)=""/17, 0x11}], 0x2, &(0x7f00000017c0)=""/242, 0xf2}, 0x9}], 0x8, 0x60000000, &(0x7f0000001ac0)={0x0, 0x3938700}) (async) timer_settime(r6, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async, rerun: 32) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (rerun: 32) 01:09:36 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 14) 01:09:36 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:36 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:36 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:36 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 510.410853] UDF-fs: warning (device loop4): udf_load_vrs: No anchor found [ 510.419245] UDF-fs: Scanning with blocksize 2048 failed [ 510.427114] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 510.434479] UDF-fs: Scanning with blocksize 4096 failed [ 510.506017] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 510.510092] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 510.515496] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 510.524432] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 510.541526] UDF-fs: Scanning with blocksize 512 failed [ 510.549015] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 510.553579] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 510.563131] UDF-fs: Scanning with blocksize 1024 failed [ 510.575121] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.577672] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 510.589144] UDF-fs: Scanning with blocksize 2048 failed [ 510.615725] UDF-fs: Scanning with blocksize 512 failed [ 510.626296] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 510.627651] UDF-fs: Scanning with blocksize 512 failed [ 510.636844] FAULT_INJECTION: forcing a failure. [ 510.636844] name failslab, interval 1, probability 0, space 0, times 0 [ 510.656307] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found 01:09:36 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r2 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r2, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) lchown(&(0x7f0000000040)='./file0\x00', r1, r2) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r4 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r4, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) lchown(&(0x7f0000000040)='./file0\x00', r3, r4) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYRESOCT=r1, @ANYRESOCT=r3, @ANYRES64=r1], 0xffffffffffffffe2) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r5}}, 0x0) r6 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r6}, &(0x7f0000000040)=0x0) timer_settime(r7, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 510.657642] UDF-fs: Scanning with blocksize 512 failed [ 510.666135] UDF-fs: Scanning with blocksize 4096 failed [ 510.674616] UDF-fs: Scanning with blocksize 1024 failed [ 510.689429] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 510.690674] CPU: 1 PID: 31010 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 510.703986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 510.713343] Call Trace: [ 510.714414] UDF-fs: Scanning with blocksize 1024 failed [ 510.715936] dump_stack+0x1fc/0x2ef [ 510.715958] should_fail.cold+0xa/0xf [ 510.715976] ? setup_fault_attr+0x200/0x200 [ 510.715993] ? __lockdep_init_map+0x100/0x5a0 [ 510.737524] __should_failslab+0x115/0x180 [ 510.741805] should_failslab+0x5/0x10 [ 510.745615] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 510.748685] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.750722] __kmalloc_node+0x38/0x70 [ 510.750743] blk_mq_alloc_rq_map+0x120/0x230 01:09:37 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r2 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r2, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) (async) lchown(&(0x7f0000000040)='./file0\x00', r1, r2) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) (async) r4 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r4, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) lchown(&(0x7f0000000040)='./file0\x00', r3, r4) (async) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYRESOCT=r1, @ANYRESOCT=r3, @ANYRES64=r1], 0xffffffffffffffe2) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r5}}, 0x0) r6 = gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r6}, &(0x7f0000000040)=0x0) timer_settime(r7, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 510.750761] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 510.750777] blk_mq_alloc_tag_set+0x589/0xa30 [ 510.757632] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 510.761217] nbd_dev_add+0x297/0x890 [ 510.761236] nbd_genl_connect+0x488/0x1630 [ 510.761257] ? nbd_xmit_timeout+0x730/0x730 [ 510.761275] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 510.761292] ? validate_nla+0x270/0x820 [ 510.761309] ? nla_parse+0x1b2/0x290 [ 510.761330] genl_family_rcv_msg+0x642/0xc40 [ 510.767073] UDF-fs: Scanning with blocksize 2048 failed [ 510.770412] ? genl_rcv+0x40/0x40 [ 510.770431] ? genl_rcv_msg+0x12f/0x160 [ 510.770445] ? mutex_trylock+0x1a0/0x1a0 [ 510.770468] ? __radix_tree_lookup+0x216/0x370 [ 510.794514] UDF-fs: Scanning with blocksize 1024 failed [ 510.799009] genl_rcv_msg+0xbf/0x160 [ 510.799028] netlink_rcv_skb+0x160/0x440 [ 510.799043] ? genl_family_rcv_msg+0xc40/0xc40 [ 510.799057] ? netlink_ack+0xae0/0xae0 [ 510.813189] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 510.816455] ? genl_rcv+0x15/0x40 [ 510.816478] genl_rcv+0x24/0x40 [ 510.816496] netlink_unicast+0x4d5/0x690 [ 510.820721] UDF-fs: Scanning with blocksize 2048 failed [ 510.823908] ? netlink_sendskb+0x110/0x110 [ 510.823923] ? _copy_from_iter_full+0x229/0x7c0 [ 510.823937] ? __phys_addr_symbol+0x2c/0x70 [ 510.823954] ? __check_object_size+0x17b/0x3e0 [ 510.823971] netlink_sendmsg+0x6c3/0xc50 [ 510.823990] ? aa_af_perm+0x230/0x230 [ 510.824002] ? nlmsg_notify+0x1f0/0x1f0 [ 510.824013] ? kernel_recvmsg+0x220/0x220 [ 510.824032] ? nlmsg_notify+0x1f0/0x1f0 [ 510.824049] sock_sendmsg+0xc3/0x120 [ 510.833378] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 510.838020] ___sys_sendmsg+0x7bb/0x8e0 [ 510.838040] ? check_preemption_disabled+0x41/0x280 [ 510.838051] ? copy_msghdr_from_user+0x440/0x440 [ 510.838067] ? __fget+0x32f/0x510 [ 510.842666] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 510.845816] ? lock_downgrade+0x720/0x720 [ 510.845834] ? check_preemption_disabled+0x41/0x280 [ 510.845849] ? check_preemption_disabled+0x41/0x280 [ 510.845865] ? __fget+0x356/0x510 01:09:37 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:37 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 15) [ 510.858279] UDF-fs: Scanning with blocksize 4096 failed [ 510.860950] ? do_dup2+0x450/0x450 [ 510.860966] ? lock_downgrade+0x720/0x720 [ 510.860981] ? vfs_write+0x3d7/0x540 [ 510.860997] ? __fdget+0x1d0/0x230 [ 510.861015] __x64_sys_sendmsg+0x132/0x220 [ 510.861029] ? __sys_sendmsg+0x1b0/0x1b0 [ 510.861041] ? vfs_write+0x393/0x540 [ 510.861065] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 510.868332] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.871807] ? trace_hardirqs_off_caller+0x6e/0x210 [ 510.871824] ? do_syscall_64+0x21/0x620 [ 510.871839] do_syscall_64+0xf9/0x620 [ 510.871857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 510.871867] RIP: 0033:0x7ff970b3e279 [ 510.871879] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 510.871886] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 510.871900] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 510.871909] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 510.871916] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 510.871924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 510.871930] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 510.876260] UDF-fs: Scanning with blocksize 4096 failed [ 510.890567] UDF-fs: Scanning with blocksize 2048 failed [ 510.891355] blk-mq: reduced tag depth (128 -> 64) [ 510.904716] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 510.922337] nbd: couldn't find device at index -1627389953 [ 510.933487] UDF-fs: Scanning with blocksize 4096 failed 01:09:37 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r2 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r2, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) lchown(&(0x7f0000000040)='./file0\x00', r1, r2) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r4 = getegid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r4, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) lchown(&(0x7f0000000040)='./file0\x00', r3, r4) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYRESOCT=r1, @ANYRESOCT=r3, @ANYRES64=r1], 0xffffffffffffffe2) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r5}}, 0x0) r6 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r6}, &(0x7f0000000040)=0x0) timer_settime(r7, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020}, 0x2020) (async) getegid() (async) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r2, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) (async) lchown(&(0x7f0000000040)='./file0\x00', r1, r2) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000004640)={0x2020}, 0x2020) (async) getegid() (async) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000100)={{0x0, 0x0, 0xffffffffffffffff, 0xee01, r4, 0x4, 0xffff}, 0xfffffffffffffff8, 0xe615, 0x0, 0x0, 0x0, 0x0, 0x800}) (async) lchown(&(0x7f0000000040)='./file0\x00', r3, r4) (async) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYRESOCT=r1, @ANYRESOCT=r3, @ANYRES64=r1], 0xffffffffffffffe2) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r5}}, 0x0) (async) gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r6}, &(0x7f0000000040)) (async) timer_settime(r7, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) [ 511.188461] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 511.196773] FAULT_INJECTION: forcing a failure. [ 511.196773] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 511.210387] CPU: 0 PID: 31045 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 511.218285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 511.227638] Call Trace: [ 511.230232] dump_stack+0x1fc/0x2ef [ 511.233856] should_fail.cold+0xa/0xf [ 511.237715] ? setup_fault_attr+0x200/0x200 [ 511.242033] __alloc_pages_nodemask+0x239/0x2890 [ 511.246778] ? kasan_kmalloc+0x139/0x160 [ 511.250821] ? __kmalloc_node+0x4c/0x70 [ 511.254791] ? blk_mq_alloc_rq_map+0x120/0x230 [ 511.259356] ? __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 511.264006] ? blk_mq_alloc_tag_set+0x589/0xa30 [ 511.268657] ? nbd_dev_add+0x297/0x890 [ 511.272524] ? nbd_genl_connect+0x488/0x1630 [ 511.276911] ? genl_family_rcv_msg+0x642/0xc40 [ 511.281485] ? genl_rcv+0x24/0x40 [ 511.284918] ? netlink_unicast+0x4d5/0x690 [ 511.289131] ? netlink_sendmsg+0x6c3/0xc50 [ 511.293352] ? __x64_sys_sendmsg+0x132/0x220 [ 511.297746] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 511.303110] ? should_fail+0x142/0x7b0 [ 511.306980] ? fs_reclaim_release+0xd0/0x110 [ 511.311367] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 511.316201] ? setup_fault_attr+0x200/0x200 [ 511.320519] ? lock_acquire+0x170/0x3c0 [ 511.324485] ? check_preemption_disabled+0x41/0x280 [ 511.329487] ? should_fail+0x142/0x7b0 [ 511.333366] ? setup_fault_attr+0x200/0x200 [ 511.337691] ? __lockdep_init_map+0x100/0x5a0 [ 511.342188] ? find_next_bit+0x105/0x130 [ 511.346242] ? __cpu_to_node+0x7b/0xa0 [ 511.350111] ? blk_mq_hw_queue_to_node+0xc1/0x100 [ 511.354947] blk_mq_alloc_rqs+0x242/0x800 [ 511.359079] ? blk_mq_alloc_rq_map+0xaa/0x230 [ 511.363554] __blk_mq_alloc_rq_map+0x15b/0x3b0 [ 511.368128] blk_mq_alloc_tag_set+0x589/0xa30 [ 511.372632] nbd_dev_add+0x297/0x890 [ 511.376340] nbd_genl_connect+0x488/0x1630 [ 511.380559] ? nbd_xmit_timeout+0x730/0x730 [ 511.384863] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 511.390032] ? validate_nla+0x270/0x820 [ 511.393988] ? nla_parse+0x1b2/0x290 [ 511.397682] genl_family_rcv_msg+0x642/0xc40 [ 511.402076] ? genl_rcv+0x40/0x40 [ 511.405518] ? genl_rcv_msg+0x12f/0x160 [ 511.409472] ? mutex_trylock+0x1a0/0x1a0 [ 511.413516] ? __radix_tree_lookup+0x216/0x370 [ 511.418082] genl_rcv_msg+0xbf/0x160 [ 511.421788] netlink_rcv_skb+0x160/0x440 [ 511.425832] ? genl_family_rcv_msg+0xc40/0xc40 [ 511.430393] ? netlink_ack+0xae0/0xae0 [ 511.434270] ? genl_rcv+0x15/0x40 [ 511.437710] genl_rcv+0x24/0x40 [ 511.440967] netlink_unicast+0x4d5/0x690 [ 511.445010] ? netlink_sendskb+0x110/0x110 [ 511.449226] ? _copy_from_iter_full+0x229/0x7c0 [ 511.453877] ? __phys_addr_symbol+0x2c/0x70 [ 511.458180] ? __check_object_size+0x17b/0x3e0 [ 511.462756] netlink_sendmsg+0x6c3/0xc50 [ 511.466813] ? aa_af_perm+0x230/0x230 [ 511.470598] ? nlmsg_notify+0x1f0/0x1f0 [ 511.474553] ? kernel_recvmsg+0x220/0x220 [ 511.478699] ? nlmsg_notify+0x1f0/0x1f0 [ 511.482678] sock_sendmsg+0xc3/0x120 [ 511.486375] ___sys_sendmsg+0x7bb/0x8e0 [ 511.490677] ? check_preemption_disabled+0x41/0x280 [ 511.495675] ? copy_msghdr_from_user+0x440/0x440 [ 511.500502] ? __fget+0x32f/0x510 [ 511.503939] ? lock_downgrade+0x720/0x720 [ 511.508066] ? check_preemption_disabled+0x41/0x280 [ 511.513066] ? check_preemption_disabled+0x41/0x280 [ 511.518065] ? __fget+0x356/0x510 [ 511.521500] ? do_dup2+0x450/0x450 [ 511.525018] ? lock_downgrade+0x720/0x720 [ 511.529145] ? vfs_write+0x3d7/0x540 [ 511.532844] ? __fdget+0x1d0/0x230 [ 511.536369] __x64_sys_sendmsg+0x132/0x220 [ 511.540585] ? __sys_sendmsg+0x1b0/0x1b0 [ 511.544623] ? vfs_write+0x393/0x540 [ 511.548336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 511.553696] ? trace_hardirqs_off_caller+0x6e/0x210 [ 511.558692] ? do_syscall_64+0x21/0x620 [ 511.562647] do_syscall_64+0xf9/0x620 [ 511.566434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 511.571605] RIP: 0033:0x7ff970b3e279 [ 511.575318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 511.594211] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 511.601897] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 511.609152] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 511.616401] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 511.623650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 511.630900] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:37 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:37 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:38 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 511.662627] nbd: couldn't find device at index -1627389953 01:09:38 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 16) [ 511.719822] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 511.749444] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! 01:09:38 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) fstat(r0, &(0x7f0000000140)) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 511.787763] UDF-fs: Scanning with blocksize 512 failed [ 511.798566] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 511.806500] FAULT_INJECTION: forcing a failure. [ 511.806500] name failslab, interval 1, probability 0, space 0, times 0 [ 511.810182] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 511.825423] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 511.834629] UDF-fs: Scanning with blocksize 512 failed [ 511.838900] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 511.858715] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 511.861507] UDF-fs: Scanning with blocksize 512 failed [ 511.869152] CPU: 0 PID: 31074 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 511.878616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 511.887970] Call Trace: [ 511.890572] dump_stack+0x1fc/0x2ef [ 511.894213] should_fail.cold+0xa/0xf [ 511.898006] ? setup_fault_attr+0x200/0x200 [ 511.902315] ? lock_acquire+0x170/0x3c0 [ 511.906281] __should_failslab+0x115/0x180 [ 511.910505] should_failslab+0x5/0x10 [ 511.914293] kmem_cache_alloc_node+0x245/0x3b0 [ 511.918876] blk_alloc_queue_node+0x32/0xbf0 [ 511.923275] blk_mq_init_queue+0x44/0xa0 [ 511.927328] nbd_dev_add+0x2b9/0x890 [ 511.931029] nbd_genl_connect+0x488/0x1630 [ 511.935253] ? nbd_xmit_timeout+0x730/0x730 [ 511.939567] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 511.944757] ? validate_nla+0x270/0x820 [ 511.948728] ? nla_parse+0x1b2/0x290 [ 511.952434] genl_family_rcv_msg+0x642/0xc40 [ 511.956835] ? genl_rcv+0x40/0x40 [ 511.960272] ? genl_rcv_msg+0x12f/0x160 [ 511.964234] ? mutex_trylock+0x1a0/0x1a0 [ 511.968299] ? __radix_tree_lookup+0x216/0x370 [ 511.972871] genl_rcv_msg+0xbf/0x160 [ 511.976573] netlink_rcv_skb+0x160/0x440 [ 511.980620] ? genl_family_rcv_msg+0xc40/0xc40 [ 511.985197] ? netlink_ack+0xae0/0xae0 [ 511.989072] ? genl_rcv+0x15/0x40 [ 511.992520] genl_rcv+0x24/0x40 [ 511.995785] netlink_unicast+0x4d5/0x690 [ 511.999845] ? netlink_sendskb+0x110/0x110 [ 512.004065] ? _copy_from_iter_full+0x229/0x7c0 [ 512.008719] ? __phys_addr_symbol+0x2c/0x70 [ 512.013030] ? __check_object_size+0x17b/0x3e0 [ 512.017599] netlink_sendmsg+0x6c3/0xc50 [ 512.021650] ? aa_af_perm+0x230/0x230 [ 512.025440] ? nlmsg_notify+0x1f0/0x1f0 [ 512.029409] ? kernel_recvmsg+0x220/0x220 [ 512.033551] ? nlmsg_notify+0x1f0/0x1f0 [ 512.037512] sock_sendmsg+0xc3/0x120 [ 512.041212] ___sys_sendmsg+0x7bb/0x8e0 [ 512.045178] ? check_preemption_disabled+0x41/0x280 [ 512.050181] ? copy_msghdr_from_user+0x440/0x440 [ 512.054933] ? __fget+0x32f/0x510 [ 512.058375] ? lock_downgrade+0x720/0x720 [ 512.062522] ? check_preemption_disabled+0x41/0x280 [ 512.067525] ? check_preemption_disabled+0x41/0x280 [ 512.072530] ? __fget+0x356/0x510 [ 512.075970] ? do_dup2+0x450/0x450 [ 512.079495] ? lock_downgrade+0x720/0x720 [ 512.083633] ? vfs_write+0x3d7/0x540 [ 512.087334] ? __fdget+0x1d0/0x230 [ 512.090861] __x64_sys_sendmsg+0x132/0x220 [ 512.095079] ? __sys_sendmsg+0x1b0/0x1b0 [ 512.099125] ? vfs_write+0x393/0x540 [ 512.102835] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 512.108207] ? trace_hardirqs_off_caller+0x6e/0x210 [ 512.113210] ? do_syscall_64+0x21/0x620 [ 512.117172] do_syscall_64+0xf9/0x620 [ 512.120967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.126139] RIP: 0033:0x7ff970b3e279 [ 512.129845] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 512.148757] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 512.156449] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 512.163703] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 512.171042] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 512.178472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 512.185731] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 512.211939] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 512.219191] UDF-fs: Scanning with blocksize 1024 failed [ 512.232768] UDF-fs: Scanning with blocksize 512 failed [ 512.249089] UDF-fs: Scanning with blocksize 1024 failed 01:09:38 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async, rerun: 64) fstat(r0, &(0x7f0000000140)) (async, rerun: 64) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async, rerun: 32) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) (rerun: 32) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 512.257922] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 512.278549] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 512.289111] UDF-fs: Scanning with blocksize 1024 failed [ 512.296569] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 512.306061] UDF-fs: Scanning with blocksize 2048 failed [ 512.312987] UDF-fs: Scanning with blocksize 2048 failed [ 512.320240] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 512.339878] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 512.354028] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:09:38 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) fstat(r0, &(0x7f0000000140)) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) fstat(r0, &(0x7f0000000140)) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)) (async) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) [ 512.367243] UDF-fs: Scanning with blocksize 2048 failed [ 512.382963] UDF-fs: Scanning with blocksize 4096 failed [ 512.389145] UDF-fs: Scanning with blocksize 4096 failed [ 512.400052] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 512.411580] nbd: failed to add new device 01:09:38 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 17) [ 512.416484] UDF-fs: Scanning with blocksize 4096 failed [ 512.430292] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 512.444333] UDF-fs: Scanning with blocksize 1024 failed [ 512.450257] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 512.458238] UDF-fs: Scanning with blocksize 2048 failed 01:09:38 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:38 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:38 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 512.464771] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 512.478819] UDF-fs: Scanning with blocksize 4096 failed [ 512.521236] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 512.529211] FAULT_INJECTION: forcing a failure. [ 512.529211] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 512.541022] CPU: 1 PID: 31115 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 512.548907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 512.558254] Call Trace: [ 512.560834] dump_stack+0x1fc/0x2ef [ 512.564444] should_fail.cold+0xa/0xf [ 512.568238] ? setup_fault_attr+0x200/0x200 [ 512.572568] ? check_preemption_disabled+0x41/0x280 [ 512.577581] __alloc_pages_nodemask+0x239/0x2890 [ 512.582322] ? __alloc_pages_nodemask+0x1b43/0x2890 [ 512.587325] ? kasan_kmalloc+0x139/0x160 [ 512.591387] ? __lock_acquire+0x6de/0x3ff0 [ 512.595633] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.600994] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 512.605821] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 512.610740] ? setup_fault_attr+0x200/0x200 [ 512.615234] ? lock_acquire+0x170/0x3c0 [ 512.619201] ? should_fail+0x142/0x7b0 [ 512.623083] ? __lockdep_init_map+0x100/0x5a0 [ 512.627581] ? __lockdep_init_map+0x100/0x5a0 [ 512.632085] cache_grow_begin+0xa4/0x8a0 [ 512.636137] ? setup_fault_attr+0x200/0x200 [ 512.640438] ? lock_acquire+0x170/0x3c0 [ 512.644490] cache_alloc_refill+0x273/0x340 [ 512.648795] kmem_cache_alloc_node+0x39e/0x3b0 [ 512.653381] blk_alloc_queue_node+0x32/0xbf0 [ 512.657797] blk_mq_init_queue+0x44/0xa0 [ 512.661854] nbd_dev_add+0x2b9/0x890 [ 512.665555] nbd_genl_connect+0x488/0x1630 [ 512.669772] ? nbd_xmit_timeout+0x730/0x730 [ 512.674091] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 512.679288] ? validate_nla+0x270/0x820 [ 512.683275] ? nla_parse+0x1b2/0x290 [ 512.687000] genl_family_rcv_msg+0x642/0xc40 [ 512.691414] ? genl_rcv+0x40/0x40 [ 512.694878] ? genl_rcv_msg+0x12f/0x160 [ 512.698858] ? mutex_trylock+0x1a0/0x1a0 [ 512.702924] ? __radix_tree_lookup+0x216/0x370 [ 512.707505] genl_rcv_msg+0xbf/0x160 [ 512.711341] netlink_rcv_skb+0x160/0x440 [ 512.715398] ? genl_family_rcv_msg+0xc40/0xc40 [ 512.719964] ? netlink_ack+0xae0/0xae0 [ 512.723852] ? genl_rcv+0x15/0x40 [ 512.727300] genl_rcv+0x24/0x40 [ 512.730564] netlink_unicast+0x4d5/0x690 [ 512.734608] ? netlink_sendskb+0x110/0x110 [ 512.738825] ? _copy_from_iter_full+0x229/0x7c0 [ 512.743493] ? __phys_addr_symbol+0x2c/0x70 [ 512.747813] ? __check_object_size+0x17b/0x3e0 [ 512.752386] netlink_sendmsg+0x6c3/0xc50 [ 512.756435] ? aa_af_perm+0x230/0x230 [ 512.760236] ? nlmsg_notify+0x1f0/0x1f0 [ 512.764212] ? kernel_recvmsg+0x220/0x220 [ 512.768360] ? nlmsg_notify+0x1f0/0x1f0 [ 512.772332] sock_sendmsg+0xc3/0x120 [ 512.776050] ___sys_sendmsg+0x7bb/0x8e0 [ 512.780045] ? check_preemption_disabled+0x41/0x280 [ 512.785057] ? copy_msghdr_from_user+0x440/0x440 [ 512.789802] ? __fget+0x32f/0x510 [ 512.793266] ? lock_downgrade+0x720/0x720 [ 512.797423] ? check_preemption_disabled+0x41/0x280 [ 512.802448] ? check_preemption_disabled+0x41/0x280 [ 512.807465] ? __fget+0x356/0x510 [ 512.810917] ? do_dup2+0x450/0x450 [ 512.814469] ? lock_downgrade+0x720/0x720 [ 512.818609] ? vfs_write+0x3d7/0x540 [ 512.822339] ? __fdget+0x1d0/0x230 [ 512.825873] __x64_sys_sendmsg+0x132/0x220 [ 512.830091] ? __sys_sendmsg+0x1b0/0x1b0 [ 512.834136] ? vfs_write+0x393/0x540 [ 512.837840] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 512.843203] ? trace_hardirqs_off_caller+0x6e/0x210 [ 512.848265] ? do_syscall_64+0x21/0x620 [ 512.854149] do_syscall_64+0xf9/0x620 [ 512.857938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.863144] RIP: 0033:0x7ff970b3e279 [ 512.866853] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 512.885740] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 512.893434] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 512.900695] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 512.907956] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 512.915220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:09:39 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 18) 01:09:39 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) r1 = openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) ioctl$FIBMAP(r1, 0x5393, &(0x7f0000002140)) openat$cgroup_ro(r1, &(0x7f0000000440)='memory.numa_stat\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)=0x0) clock_gettime(0x0, &(0x7f0000000140)) timer_settime(r2, 0x0, &(0x7f0000000180)={{}, {0x0, 0x989680}}, &(0x7f00000001c0)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r3}}, 0x0) r4 = gettid() read$FUSE(0xffffffffffffffff, &(0x7f00000021c0)={0x2020}, 0x2020) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r4}, &(0x7f0000000040)=0x0) timer_settime(r5, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) pselect6(0x40, &(0x7f0000000480)={0x0, 0xb36, 0x80000000, 0x80000001, 0x9, 0x81, 0xffffffffffffffff, 0x8}, &(0x7f00000004c0)={0xdd3c0000000, 0x3, 0x6, 0x3, 0xfffffffffffffffa, 0x5, 0x1000, 0x5}, &(0x7f0000000500)={0x5, 0xffffffff80000001, 0x5, 0x5, 0xfffffffffffffff9, 0x200000009, 0x4, 0x800}, &(0x7f0000000540), &(0x7f00000005c0)={&(0x7f0000000580)={[0x5]}, 0x8}) timer_create(0x0, &(0x7f0000000380)={0x0, 0x34, 0x4, @thr={&(0x7f00000002c0)="5debb3336fc092824e74665920f021cf0efcba993f368341b3b70533c043a559a6d1f9cd8e89c2f8b226814f742dd4ca29c661fb359a7f9f08496e5448b962aa8290df8eede253908d5129994fa9b22a4cd0ee14a074451f4631abfe49d7bc8734dbdcaa69c2e3cd6495f07607ee68437ee9", &(0x7f0000000240)="a485549831fa40fc1e7058b1ce072129f2"}}, &(0x7f00000003c0)) [ 512.922481] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 512.943589] nbd: couldn't find device at index -1627389953 01:09:39 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 513.045636] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 513.065898] UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! [ 513.081490] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 513.088769] UDF-fs: Scanning with blocksize 512 failed [ 513.095223] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 513.104559] UDF-fs: Scanning with blocksize 512 failed [ 513.104893] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 513.117932] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 513.130443] UDF-fs: Scanning with blocksize 512 failed [ 513.135467] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 513.148137] UDF-fs: Scanning with blocksize 1024 failed [ 513.153888] UDF-fs: Scanning with blocksize 512 failed [ 513.154530] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 513.178592] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 513.186175] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 513.193569] UDF-fs: Scanning with blocksize 1024 failed [ 513.202418] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 513.208611] FAULT_INJECTION: forcing a failure. [ 513.208611] name failslab, interval 1, probability 0, space 0, times 0 [ 513.210741] UDF-fs: Scanning with blocksize 2048 failed [ 513.228769] UDF-fs: Scanning with blocksize 1024 failed [ 513.233309] UDF-fs: Scanning with blocksize 1024 failed [ 513.240100] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 513.281495] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 513.302122] UDF-fs: Scanning with blocksize 2048 failed [ 513.302741] CPU: 0 PID: 31156 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 513.309620] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 513.315371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 513.315377] Call Trace: [ 513.315398] dump_stack+0x1fc/0x2ef [ 513.315418] should_fail.cold+0xa/0xf [ 513.315434] ? setup_fault_attr+0x200/0x200 [ 513.315449] ? lock_acquire+0x170/0x3c0 [ 513.315468] __should_failslab+0x115/0x180 [ 513.315485] should_failslab+0x5/0x10 [ 513.315500] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 513.315517] __kmalloc_node+0x38/0x70 [ 513.315530] ? mempool_free+0x370/0x370 [ 513.315542] mempool_init_node+0x137/0x6c0 [ 513.315561] ? mempool_alloc+0x350/0x350 [ 513.315571] ? mempool_free+0x370/0x370 [ 513.315583] mempool_init+0x38/0x50 [ 513.315598] bioset_init+0x327/0x810 [ 513.315614] ? kmem_cache_alloc_node+0x351/0x3b0 [ 513.330785] UDF-fs: Scanning with blocksize 4096 failed [ 513.331609] blk_alloc_queue_node+0x189/0xbf0 [ 513.331631] blk_mq_init_queue+0x44/0xa0 [ 513.331648] nbd_dev_add+0x2b9/0x890 [ 513.331665] nbd_genl_connect+0x488/0x1630 [ 513.334532] UDF-fs: Scanning with blocksize 2048 failed [ 513.337841] ? nbd_xmit_timeout+0x730/0x730 [ 513.337860] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 513.337876] ? validate_nla+0x270/0x820 [ 513.337894] ? nla_parse+0x1b2/0x290 [ 513.346785] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 513.349941] genl_family_rcv_msg+0x642/0xc40 [ 513.349960] ? genl_rcv+0x40/0x40 [ 513.368294] UDF-fs: Scanning with blocksize 4096 failed [ 513.371128] ? genl_rcv_msg+0x12f/0x160 [ 513.371146] ? mutex_trylock+0x1a0/0x1a0 [ 513.371171] ? __radix_tree_lookup+0x216/0x370 [ 513.371191] genl_rcv_msg+0xbf/0x160 [ 513.371207] netlink_rcv_skb+0x160/0x440 [ 513.371223] ? genl_family_rcv_msg+0xc40/0xc40 [ 513.392618] UDF-fs: warning (device loop2): udf_load_vrs: No anchor found [ 513.395514] ? netlink_ack+0xae0/0xae0 [ 513.395532] ? genl_rcv+0x15/0x40 [ 513.395553] genl_rcv+0x24/0x40 [ 513.395568] netlink_unicast+0x4d5/0x690 [ 513.403070] UDF-fs: Scanning with blocksize 2048 failed [ 513.405397] ? netlink_sendskb+0x110/0x110 [ 513.405414] ? _copy_from_iter_full+0x229/0x7c0 [ 513.405429] ? __phys_addr_symbol+0x2c/0x70 [ 513.405447] ? __check_object_size+0x17b/0x3e0 [ 513.412696] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 513.413211] netlink_sendmsg+0x6c3/0xc50 [ 513.417562] UDF-fs: Scanning with blocksize 4096 failed [ 513.422941] ? aa_af_perm+0x230/0x230 [ 513.422956] ? nlmsg_notify+0x1f0/0x1f0 [ 513.422968] ? kernel_recvmsg+0x220/0x220 [ 513.422987] ? nlmsg_notify+0x1f0/0x1f0 [ 513.423003] sock_sendmsg+0xc3/0x120 [ 513.423022] ___sys_sendmsg+0x7bb/0x8e0 [ 513.423042] ? check_preemption_disabled+0x41/0x280 [ 513.432241] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 513.432506] ? copy_msghdr_from_user+0x440/0x440 [ 513.432522] ? __fget+0x32f/0x510 [ 513.432541] ? lock_downgrade+0x720/0x720 [ 513.436624] UDF-fs: Scanning with blocksize 4096 failed [ 513.440199] ? check_preemption_disabled+0x41/0x280 [ 513.440217] ? check_preemption_disabled+0x41/0x280 [ 513.440237] ? __fget+0x356/0x510 [ 513.440253] ? do_dup2+0x450/0x450 [ 513.616636] ? lock_downgrade+0x720/0x720 [ 513.620768] ? vfs_write+0x3d7/0x540 [ 513.624467] ? __fdget+0x1d0/0x230 [ 513.628000] __x64_sys_sendmsg+0x132/0x220 [ 513.632220] ? __sys_sendmsg+0x1b0/0x1b0 [ 513.636274] ? vfs_write+0x393/0x540 [ 513.639976] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 513.645320] ? trace_hardirqs_off_caller+0x6e/0x210 [ 513.650408] ? do_syscall_64+0x21/0x620 [ 513.654389] do_syscall_64+0xf9/0x620 [ 513.658175] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 513.663356] RIP: 0033:0x7ff970b3e279 [ 513.667065] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 513.685949] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 513.693638] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 513.700895] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 513.708160] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 513.715437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 513.722944] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:40 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 513.734399] nbd: failed to add new device 01:09:40 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 19) 01:09:40 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:40 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:40 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 513.835599] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 513.843638] FAULT_INJECTION: forcing a failure. [ 513.843638] name failslab, interval 1, probability 0, space 0, times 0 [ 513.867054] CPU: 1 PID: 31173 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 513.874960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 01:09:40 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) r1 = openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) ioctl$FIBMAP(r1, 0x5393, &(0x7f0000002140)) openat$cgroup_ro(r1, &(0x7f0000000440)='memory.numa_stat\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)=0x0) clock_gettime(0x0, &(0x7f0000000140)) timer_settime(r2, 0x0, &(0x7f0000000180)={{}, {0x0, 0x989680}}, &(0x7f00000001c0)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r3}}, 0x0) r4 = gettid() read$FUSE(0xffffffffffffffff, &(0x7f00000021c0)={0x2020}, 0x2020) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r4}, &(0x7f0000000040)=0x0) timer_settime(r5, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) pselect6(0x40, &(0x7f0000000480)={0x0, 0xb36, 0x80000000, 0x80000001, 0x9, 0x81, 0xffffffffffffffff, 0x8}, &(0x7f00000004c0)={0xdd3c0000000, 0x3, 0x6, 0x3, 0xfffffffffffffffa, 0x5, 0x1000, 0x5}, &(0x7f0000000500)={0x5, 0xffffffff80000001, 0x5, 0x5, 0xfffffffffffffff9, 0x200000009, 0x4, 0x800}, &(0x7f0000000540), &(0x7f00000005c0)={&(0x7f0000000580)={[0x5]}, 0x8}) timer_create(0x0, &(0x7f0000000380)={0x0, 0x34, 0x4, @thr={&(0x7f00000002c0)="5debb3336fc092824e74665920f021cf0efcba993f368341b3b70533c043a559a6d1f9cd8e89c2f8b226814f742dd4ca29c661fb359a7f9f08496e5448b962aa8290df8eede253908d5129994fa9b22a4cd0ee14a074451f4631abfe49d7bc8734dbdcaa69c2e3cd6495f07607ee68437ee9", &(0x7f0000000240)="a485549831fa40fc1e7058b1ce072129f2"}}, &(0x7f00000003c0)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) (async) ioctl$FIBMAP(r1, 0x5393, &(0x7f0000002140)) (async) openat$cgroup_ro(r1, &(0x7f0000000440)='memory.numa_stat\x00', 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000140)) (async) timer_settime(r2, 0x0, &(0x7f0000000180)={{}, {0x0, 0x989680}}, &(0x7f00000001c0)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r3}}, 0x0) (async) gettid() (async) read$FUSE(0xffffffffffffffff, &(0x7f00000021c0)={0x2020}, 0x2020) (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r4}, &(0x7f0000000040)) (async) timer_settime(r5, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) pselect6(0x40, &(0x7f0000000480)={0x0, 0xb36, 0x80000000, 0x80000001, 0x9, 0x81, 0xffffffffffffffff, 0x8}, &(0x7f00000004c0)={0xdd3c0000000, 0x3, 0x6, 0x3, 0xfffffffffffffffa, 0x5, 0x1000, 0x5}, &(0x7f0000000500)={0x5, 0xffffffff80000001, 0x5, 0x5, 0xfffffffffffffff9, 0x200000009, 0x4, 0x800}, &(0x7f0000000540), &(0x7f00000005c0)={&(0x7f0000000580)={[0x5]}, 0x8}) (async) timer_create(0x0, &(0x7f0000000380)={0x0, 0x34, 0x4, @thr={&(0x7f00000002c0)="5debb3336fc092824e74665920f021cf0efcba993f368341b3b70533c043a559a6d1f9cd8e89c2f8b226814f742dd4ca29c661fb359a7f9f08496e5448b962aa8290df8eede253908d5129994fa9b22a4cd0ee14a074451f4631abfe49d7bc8734dbdcaa69c2e3cd6495f07607ee68437ee9", &(0x7f0000000240)="a485549831fa40fc1e7058b1ce072129f2"}}, &(0x7f00000003c0)) (async) [ 513.884322] Call Trace: [ 513.886917] dump_stack+0x1fc/0x2ef [ 513.890551] should_fail.cold+0xa/0xf [ 513.894357] ? setup_fault_attr+0x200/0x200 [ 513.898858] ? lock_acquire+0x170/0x3c0 [ 513.902839] ? mempool_free+0x370/0x370 [ 513.906814] ? mempool_free+0x370/0x370 [ 513.910792] __should_failslab+0x115/0x180 [ 513.915063] should_failslab+0x5/0x10 [ 513.918867] kmem_cache_alloc+0x277/0x370 [ 513.923018] ? mempool_alloc+0x350/0x350 [ 513.927157] ? mempool_free+0x370/0x370 [ 513.931131] mempool_init_node+0x2d0/0x6c0 [ 513.935477] ? mempool_alloc+0x350/0x350 [ 513.939530] ? mempool_free+0x370/0x370 [ 513.943496] mempool_init+0x38/0x50 [ 513.947144] bioset_init+0x327/0x810 [ 513.950858] ? kmem_cache_alloc_node+0x351/0x3b0 [ 513.955613] blk_alloc_queue_node+0x189/0xbf0 [ 513.960095] blk_mq_init_queue+0x44/0xa0 [ 513.964151] nbd_dev_add+0x2b9/0x890 [ 513.967857] nbd_genl_connect+0x488/0x1630 [ 513.972078] ? nbd_xmit_timeout+0x730/0x730 [ 513.976383] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 513.981569] ? validate_nla+0x270/0x820 [ 513.985547] ? nla_parse+0x1b2/0x290 [ 513.989267] genl_family_rcv_msg+0x642/0xc40 [ 513.993684] ? genl_rcv+0x40/0x40 [ 513.997141] ? genl_rcv_msg+0x12f/0x160 [ 514.001126] ? mutex_trylock+0x1a0/0x1a0 [ 514.005201] ? __radix_tree_lookup+0x216/0x370 [ 514.009778] genl_rcv_msg+0xbf/0x160 [ 514.013490] netlink_rcv_skb+0x160/0x440 [ 514.017544] ? genl_family_rcv_msg+0xc40/0xc40 [ 514.022124] ? netlink_ack+0xae0/0xae0 [ 514.026006] ? genl_rcv+0x15/0x40 [ 514.029564] genl_rcv+0x24/0x40 [ 514.032844] netlink_unicast+0x4d5/0x690 [ 514.036899] ? netlink_sendskb+0x110/0x110 [ 514.041124] ? _copy_from_iter_full+0x229/0x7c0 [ 514.045786] ? __phys_addr_symbol+0x2c/0x70 [ 514.050094] ? __check_object_size+0x17b/0x3e0 [ 514.054754] netlink_sendmsg+0x6c3/0xc50 [ 514.058802] ? aa_af_perm+0x230/0x230 [ 514.062591] ? nlmsg_notify+0x1f0/0x1f0 [ 514.066553] ? kernel_recvmsg+0x220/0x220 [ 514.070699] ? nlmsg_notify+0x1f0/0x1f0 [ 514.074666] sock_sendmsg+0xc3/0x120 [ 514.078373] ___sys_sendmsg+0x7bb/0x8e0 [ 514.082357] ? check_preemption_disabled+0x41/0x280 [ 514.087375] ? copy_msghdr_from_user+0x440/0x440 [ 514.092152] ? __fget+0x32f/0x510 [ 514.095603] ? lock_downgrade+0x720/0x720 [ 514.099735] ? check_preemption_disabled+0x41/0x280 [ 514.104748] ? check_preemption_disabled+0x41/0x280 [ 514.109762] ? __fget+0x356/0x510 [ 514.113199] ? do_dup2+0x450/0x450 [ 514.116718] ? lock_downgrade+0x720/0x720 [ 514.120858] ? vfs_write+0x3d7/0x540 [ 514.124573] ? __fdget+0x1d0/0x230 [ 514.128118] __x64_sys_sendmsg+0x132/0x220 [ 514.132346] ? __sys_sendmsg+0x1b0/0x1b0 [ 514.136386] ? vfs_write+0x393/0x540 [ 514.140086] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 514.145438] ? trace_hardirqs_off_caller+0x6e/0x210 [ 514.150446] ? do_syscall_64+0x21/0x620 [ 514.154429] do_syscall_64+0xf9/0x620 [ 514.158217] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 514.163395] RIP: 0033:0x7ff970b3e279 [ 514.167100] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 514.185990] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 514.193690] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 514.200959] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 514.208221] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 514.215472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 514.222729] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:40 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 20) [ 514.233679] nbd: failed to add new device [ 514.283533] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 514.298514] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 514.301368] UDF-fs: Scanning with blocksize 512 failed [ 514.305724] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 514.317646] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 514.327250] UDF-fs: Scanning with blocksize 512 failed [ 514.340953] UDF-fs: Scanning with blocksize 512 failed [ 514.345195] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 514.346455] UDF-fs: Scanning with blocksize 512 failed [ 514.363120] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 514.372313] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 514.373536] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 514.382917] UDF-fs: Scanning with blocksize 1024 failed [ 514.392246] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 514.403251] UDF-fs: Scanning with blocksize 1024 failed [ 514.409301] UDF-fs: Scanning with blocksize 1024 failed [ 514.411177] UDF-fs: Scanning with blocksize 1024 failed [ 514.424354] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 514.433006] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 514.445900] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 514.455664] FAULT_INJECTION: forcing a failure. [ 514.455664] name failslab, interval 1, probability 0, space 0, times 0 [ 514.456411] UDF-fs: Scanning with blocksize 2048 failed [ 514.473431] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 514.486800] UDF-fs: Scanning with blocksize 2048 failed [ 514.492501] UDF-fs: Scanning with blocksize 2048 failed [ 514.504094] UDF-fs: Scanning with blocksize 2048 failed [ 514.512587] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 514.519518] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 514.526706] CPU: 0 PID: 31196 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 514.534589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 514.543945] Call Trace: [ 514.546547] dump_stack+0x1fc/0x2ef [ 514.550185] should_fail.cold+0xa/0xf [ 514.553997] ? setup_fault_attr+0x200/0x200 [ 514.558319] ? lock_acquire+0x170/0x3c0 [ 514.562288] __should_failslab+0x115/0x180 [ 514.566510] should_failslab+0x5/0x10 [ 514.570295] kmem_cache_alloc+0x277/0x370 [ 514.574442] ? mempool_alloc+0x350/0x350 [ 514.578487] mempool_init_node+0x2d0/0x6c0 [ 514.582713] ? mempool_alloc+0x350/0x350 [ 514.586757] ? mempool_free+0x370/0x370 [ 514.590715] mempool_init+0x38/0x50 [ 514.594331] bioset_init+0x327/0x810 [ 514.598029] ? kmem_cache_alloc_node+0x351/0x3b0 [ 514.602775] blk_alloc_queue_node+0x189/0xbf0 [ 514.607261] blk_mq_init_queue+0x44/0xa0 [ 514.611309] nbd_dev_add+0x2b9/0x890 [ 514.615024] nbd_genl_connect+0x488/0x1630 [ 514.619247] ? nbd_xmit_timeout+0x730/0x730 [ 514.623554] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 514.628731] ? validate_nla+0x270/0x820 [ 514.632694] ? nla_parse+0x1b2/0x290 [ 514.636420] genl_family_rcv_msg+0x642/0xc40 [ 514.640817] ? genl_rcv+0x40/0x40 [ 514.644264] ? genl_rcv_msg+0x12f/0x160 [ 514.648227] ? mutex_trylock+0x1a0/0x1a0 [ 514.652282] ? __radix_tree_lookup+0x216/0x370 [ 514.656856] genl_rcv_msg+0xbf/0x160 [ 514.660558] netlink_rcv_skb+0x160/0x440 [ 514.664606] ? genl_family_rcv_msg+0xc40/0xc40 [ 514.669179] ? netlink_ack+0xae0/0xae0 [ 514.673054] ? genl_rcv+0x15/0x40 [ 514.676524] genl_rcv+0x24/0x40 [ 514.679808] netlink_unicast+0x4d5/0x690 [ 514.683878] ? netlink_sendskb+0x110/0x110 [ 514.688120] ? _copy_from_iter_full+0x229/0x7c0 [ 514.692789] ? __phys_addr_symbol+0x2c/0x70 [ 514.697105] ? __check_object_size+0x17b/0x3e0 [ 514.701684] netlink_sendmsg+0x6c3/0xc50 [ 514.705740] ? aa_af_perm+0x230/0x230 [ 514.709529] ? nlmsg_notify+0x1f0/0x1f0 [ 514.713499] ? kernel_recvmsg+0x220/0x220 [ 514.717643] ? nlmsg_notify+0x1f0/0x1f0 [ 514.721614] sock_sendmsg+0xc3/0x120 [ 514.725320] ___sys_sendmsg+0x7bb/0x8e0 [ 514.729288] ? check_preemption_disabled+0x41/0x280 [ 514.734306] ? copy_msghdr_from_user+0x440/0x440 [ 514.739063] ? __fget+0x32f/0x510 [ 514.742599] ? lock_downgrade+0x720/0x720 [ 514.746755] ? check_preemption_disabled+0x41/0x280 [ 514.751782] ? check_preemption_disabled+0x41/0x280 [ 514.756791] ? __fget+0x356/0x510 [ 514.760249] ? do_dup2+0x450/0x450 [ 514.763777] ? lock_downgrade+0x720/0x720 [ 514.767913] ? vfs_write+0x3d7/0x540 [ 514.771615] ? __fdget+0x1d0/0x230 [ 514.775143] __x64_sys_sendmsg+0x132/0x220 [ 514.779366] ? __sys_sendmsg+0x1b0/0x1b0 [ 514.783412] ? vfs_write+0x393/0x540 [ 514.787125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 514.792474] ? trace_hardirqs_off_caller+0x6e/0x210 [ 514.797760] ? do_syscall_64+0x21/0x620 [ 514.801723] do_syscall_64+0xf9/0x620 [ 514.805514] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 514.810687] RIP: 0033:0x7ff970b3e279 [ 514.814386] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 514.833704] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 514.841394] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 514.848647] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 514.855908] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 514.863158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 514.870510] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:41 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) r1 = openat(0xffffffffffffff9c, &(0x7f0000002180)='./file0/file0\x00', 0x0, 0x0) ioctl$FIBMAP(r1, 0x5393, &(0x7f0000002140)) openat$cgroup_ro(r1, &(0x7f0000000440)='memory.numa_stat\x00', 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)=0x0) clock_gettime(0x0, &(0x7f0000000140)) (async) timer_settime(r2, 0x0, &(0x7f0000000180)={{}, {0x0, 0x989680}}, &(0x7f00000001c0)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r3}}, 0x0) (async) r4 = gettid() read$FUSE(0xffffffffffffffff, &(0x7f00000021c0)={0x2020}, 0x2020) (async, rerun: 32) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async, rerun: 32) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r4}, &(0x7f0000000040)=0x0) timer_settime(r5, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) pselect6(0x40, &(0x7f0000000480)={0x0, 0xb36, 0x80000000, 0x80000001, 0x9, 0x81, 0xffffffffffffffff, 0x8}, &(0x7f00000004c0)={0xdd3c0000000, 0x3, 0x6, 0x3, 0xfffffffffffffffa, 0x5, 0x1000, 0x5}, &(0x7f0000000500)={0x5, 0xffffffff80000001, 0x5, 0x5, 0xfffffffffffffff9, 0x200000009, 0x4, 0x800}, &(0x7f0000000540), &(0x7f00000005c0)={&(0x7f0000000580)={[0x5]}, 0x8}) (async) timer_create(0x0, &(0x7f0000000380)={0x0, 0x34, 0x4, @thr={&(0x7f00000002c0)="5debb3336fc092824e74665920f021cf0efcba993f368341b3b70533c043a559a6d1f9cd8e89c2f8b226814f742dd4ca29c661fb359a7f9f08496e5448b962aa8290df8eede253908d5129994fa9b22a4cd0ee14a074451f4631abfe49d7bc8734dbdcaa69c2e3cd6495f07607ee68437ee9", &(0x7f0000000240)="a485549831fa40fc1e7058b1ce072129f2"}}, &(0x7f00000003c0)) 01:09:41 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 21) 01:09:41 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 514.907130] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 514.908179] UDF-fs: Scanning with blocksize 4096 failed [ 514.921600] UDF-fs: Scanning with blocksize 4096 failed [ 514.924199] UDF-fs: Scanning with blocksize 4096 failed [ 514.934525] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 514.941655] UDF-fs: Scanning with blocksize 4096 failed [ 514.947584] nbd: failed to add new device 01:09:41 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:41 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 515.126561] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 515.134780] FAULT_INJECTION: forcing a failure. [ 515.134780] name failslab, interval 1, probability 0, space 0, times 0 [ 515.147045] CPU: 1 PID: 31228 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 515.154942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 515.164300] Call Trace: [ 515.166931] dump_stack+0x1fc/0x2ef [ 515.170547] should_fail.cold+0xa/0xf [ 515.174333] ? setup_fault_attr+0x200/0x200 [ 515.178725] ? lock_acquire+0x170/0x3c0 [ 515.182703] __should_failslab+0x115/0x180 [ 515.186936] should_failslab+0x5/0x10 [ 515.190718] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 515.195806] __kmalloc_node+0x38/0x70 [ 515.199584] ? mempool_free+0x370/0x370 [ 515.203546] mempool_init_node+0x137/0x6c0 [ 515.207772] ? mempool_alloc+0x350/0x350 [ 515.211814] ? mempool_free+0x370/0x370 [ 515.215787] mempool_init+0x38/0x50 [ 515.219400] bioset_init+0x532/0x810 [ 515.223106] ? kmem_cache_alloc_node+0x351/0x3b0 [ 515.227856] blk_alloc_queue_node+0x189/0xbf0 [ 515.232347] blk_mq_init_queue+0x44/0xa0 [ 515.236504] nbd_dev_add+0x2b9/0x890 [ 515.240200] nbd_genl_connect+0x488/0x1630 [ 515.244442] ? nbd_xmit_timeout+0x730/0x730 [ 515.248754] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 515.253928] ? validate_nla+0x270/0x820 [ 515.257885] ? nla_parse+0x1b2/0x290 [ 515.261684] genl_family_rcv_msg+0x642/0xc40 [ 515.266086] ? genl_rcv+0x40/0x40 [ 515.269517] ? genl_rcv_msg+0x12f/0x160 [ 515.273473] ? mutex_trylock+0x1a0/0x1a0 [ 515.277516] ? __radix_tree_lookup+0x216/0x370 [ 515.282096] genl_rcv_msg+0xbf/0x160 [ 515.285800] netlink_rcv_skb+0x160/0x440 [ 515.289846] ? genl_family_rcv_msg+0xc40/0xc40 [ 515.294417] ? netlink_ack+0xae0/0xae0 [ 515.298312] ? genl_rcv+0x15/0x40 [ 515.301761] genl_rcv+0x24/0x40 [ 515.305040] netlink_unicast+0x4d5/0x690 [ 515.309091] ? netlink_sendskb+0x110/0x110 [ 515.313308] ? _copy_from_iter_full+0x229/0x7c0 [ 515.317961] ? __phys_addr_symbol+0x2c/0x70 [ 515.322283] ? __check_object_size+0x17b/0x3e0 [ 515.326859] netlink_sendmsg+0x6c3/0xc50 [ 515.330913] ? aa_af_perm+0x230/0x230 [ 515.334696] ? nlmsg_notify+0x1f0/0x1f0 [ 515.338649] ? kernel_recvmsg+0x220/0x220 [ 515.342793] ? nlmsg_notify+0x1f0/0x1f0 [ 515.346844] sock_sendmsg+0xc3/0x120 [ 515.350538] ___sys_sendmsg+0x7bb/0x8e0 [ 515.354495] ? check_preemption_disabled+0x41/0x280 [ 515.359509] ? copy_msghdr_from_user+0x440/0x440 [ 515.364260] ? __fget+0x32f/0x510 [ 515.367710] ? lock_downgrade+0x720/0x720 [ 515.371841] ? check_preemption_disabled+0x41/0x280 [ 515.376878] ? check_preemption_disabled+0x41/0x280 [ 515.381928] ? __fget+0x356/0x510 [ 515.385377] ? do_dup2+0x450/0x450 [ 515.388910] ? lock_downgrade+0x720/0x720 [ 515.393050] ? vfs_write+0x3d7/0x540 [ 515.396748] ? __fdget+0x1d0/0x230 [ 515.400310] __x64_sys_sendmsg+0x132/0x220 [ 515.404546] ? __sys_sendmsg+0x1b0/0x1b0 [ 515.408612] ? vfs_write+0x393/0x540 [ 515.412339] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 515.417693] ? trace_hardirqs_off_caller+0x6e/0x210 [ 515.422707] ? do_syscall_64+0x21/0x620 [ 515.426675] do_syscall_64+0xf9/0x620 [ 515.430478] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 515.435662] RIP: 0033:0x7ff970b3e279 [ 515.439356] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 515.458243] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 515.465937] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 01:09:41 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 22) 01:09:41 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 515.473189] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 515.480458] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 515.487718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 515.494974] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 515.508138] nbd: failed to add new device 01:09:41 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) timer_settime(r2, 0x0, &(0x7f0000000140)={{}, {0x77359400}}, &(0x7f0000000180)) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 515.652583] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 515.652813] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 515.663279] UDF-fs: Scanning with blocksize 512 failed [ 515.684550] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 515.699665] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 515.707004] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 515.714172] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 515.721918] FAULT_INJECTION: forcing a failure. [ 515.721918] name failslab, interval 1, probability 0, space 0, times 0 [ 515.724639] UDF-fs: Scanning with blocksize 1024 failed [ 515.735372] UDF-fs: Scanning with blocksize 512 failed [ 515.747144] UDF-fs: Scanning with blocksize 512 failed [ 515.757738] UDF-fs: Scanning with blocksize 512 failed [ 515.775126] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 515.783684] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 515.791563] CPU: 0 PID: 31251 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 515.799457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 515.808815] Call Trace: [ 515.811418] dump_stack+0x1fc/0x2ef [ 515.815065] should_fail.cold+0xa/0xf [ 515.818879] ? setup_fault_attr+0x200/0x200 [ 515.823216] ? lock_acquire+0x170/0x3c0 [ 515.827205] ? mempool_free+0x370/0x370 [ 515.831279] ? mempool_free+0x370/0x370 [ 515.835262] __should_failslab+0x115/0x180 [ 515.839493] should_failslab+0x5/0x10 [ 515.843299] kmem_cache_alloc+0x277/0x370 [ 515.847451] ? mempool_alloc+0x350/0x350 [ 515.851500] ? mempool_free+0x370/0x370 [ 515.855461] mempool_init_node+0x2d0/0x6c0 [ 515.859686] ? mempool_alloc+0x350/0x350 [ 515.863732] ? mempool_free+0x370/0x370 [ 515.867693] mempool_init+0x38/0x50 [ 515.871311] bioset_init+0x532/0x810 [ 515.875011] ? kmem_cache_alloc_node+0x351/0x3b0 [ 515.879757] blk_alloc_queue_node+0x189/0xbf0 [ 515.884243] blk_mq_init_queue+0x44/0xa0 [ 515.888293] nbd_dev_add+0x2b9/0x890 [ 515.891998] nbd_genl_connect+0x488/0x1630 [ 515.896225] ? nbd_xmit_timeout+0x730/0x730 [ 515.900539] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 515.905737] ? validate_nla+0x270/0x820 [ 515.909703] ? nla_parse+0x1b2/0x290 [ 515.913410] genl_family_rcv_msg+0x642/0xc40 [ 515.917811] ? genl_rcv+0x40/0x40 [ 515.921270] ? genl_rcv_msg+0x12f/0x160 [ 515.925239] ? mutex_trylock+0x1a0/0x1a0 [ 515.929296] ? __radix_tree_lookup+0x216/0x370 [ 515.933882] genl_rcv_msg+0xbf/0x160 [ 515.937697] netlink_rcv_skb+0x160/0x440 [ 515.941754] ? genl_family_rcv_msg+0xc40/0xc40 [ 515.946325] ? netlink_ack+0xae0/0xae0 [ 515.950204] ? genl_rcv+0x15/0x40 [ 515.953651] genl_rcv+0x24/0x40 [ 515.956917] netlink_unicast+0x4d5/0x690 [ 515.960969] ? netlink_sendskb+0x110/0x110 [ 515.965191] ? _copy_from_iter_full+0x229/0x7c0 [ 515.969850] ? __phys_addr_symbol+0x2c/0x70 [ 515.974161] ? __check_object_size+0x17b/0x3e0 [ 515.978744] netlink_sendmsg+0x6c3/0xc50 [ 515.982795] ? aa_af_perm+0x230/0x230 [ 515.986583] ? nlmsg_notify+0x1f0/0x1f0 [ 515.990543] ? kernel_recvmsg+0x220/0x220 [ 515.994684] ? nlmsg_notify+0x1f0/0x1f0 [ 515.998661] sock_sendmsg+0xc3/0x120 [ 516.002363] ___sys_sendmsg+0x7bb/0x8e0 [ 516.006335] ? check_preemption_disabled+0x41/0x280 [ 516.011346] ? copy_msghdr_from_user+0x440/0x440 [ 516.016112] ? __fget+0x32f/0x510 [ 516.019558] ? lock_downgrade+0x720/0x720 [ 516.023700] ? check_preemption_disabled+0x41/0x280 [ 516.028705] ? check_preemption_disabled+0x41/0x280 [ 516.033713] ? __fget+0x356/0x510 [ 516.037159] ? do_dup2+0x450/0x450 [ 516.040690] ? lock_downgrade+0x720/0x720 [ 516.044849] ? vfs_write+0x3d7/0x540 [ 516.048552] ? __fdget+0x1d0/0x230 [ 516.052087] __x64_sys_sendmsg+0x132/0x220 [ 516.056307] ? __sys_sendmsg+0x1b0/0x1b0 [ 516.060355] ? vfs_write+0x393/0x540 [ 516.064067] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 516.069421] ? trace_hardirqs_off_caller+0x6e/0x210 [ 516.074440] ? do_syscall_64+0x21/0x620 [ 516.078403] do_syscall_64+0xf9/0x620 [ 516.082210] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 516.087384] RIP: 0033:0x7ff970b3e279 [ 516.091113] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 516.110005] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 516.117700] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 516.124969] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 516.132239] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 516.139496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 516.146752] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 516.175738] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 516.190263] UDF-fs: Scanning with blocksize 1024 failed [ 516.195853] UDF-fs: Scanning with blocksize 1024 failed [ 516.201766] UDF-fs: Scanning with blocksize 1024 failed [ 516.207807] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 516.215580] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 516.222490] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 516.229316] UDF-fs: Scanning with blocksize 2048 failed [ 516.234952] UDF-fs: Scanning with blocksize 2048 failed [ 516.240654] UDF-fs: Scanning with blocksize 2048 failed [ 516.246686] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 516.254334] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 516.254635] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 516.261233] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found 01:09:42 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 23) 01:09:42 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 516.261241] UDF-fs: Scanning with blocksize 4096 failed [ 516.261392] UDF-fs: Scanning with blocksize 4096 failed [ 516.275363] UDF-fs: Scanning with blocksize 2048 failed [ 516.280321] UDF-fs: Scanning with blocksize 4096 failed [ 516.296885] nbd: failed to add new device [ 516.297057] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 516.308194] UDF-fs: Scanning with blocksize 4096 failed 01:09:42 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:42 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:42 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 516.451338] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 516.485624] FAULT_INJECTION: forcing a failure. [ 516.485624] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 516.498060] CPU: 0 PID: 31278 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 516.505939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 516.515292] Call Trace: [ 516.517891] dump_stack+0x1fc/0x2ef [ 516.521530] should_fail.cold+0xa/0xf [ 516.525343] ? setup_fault_attr+0x200/0x200 [ 516.529670] ? is_bpf_text_address+0xfc/0x1b0 [ 516.530653] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 516.534172] ? kernel_text_address+0xbd/0xf0 [ 516.534194] __alloc_pages_nodemask+0x239/0x2890 [ 516.534217] ? __lock_acquire+0x6de/0x3ff0 [ 516.554332] ? __kmalloc_node+0x4c/0x70 [ 516.558317] ? mempool_init_node+0x137/0x6c0 [ 516.562739] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 516.563056] UDF-fs: Scanning with blocksize 512 failed [ 516.567583] ? blk_mq_init_queue+0x44/0xa0 [ 516.567599] ? nbd_dev_add+0x2b9/0x890 [ 516.567611] ? nbd_genl_connect+0x488/0x1630 [ 516.567627] ? genl_family_rcv_msg+0x642/0xc40 [ 516.589947] ? genl_rcv_msg+0xbf/0x160 [ 516.593929] ? netlink_rcv_skb+0x160/0x440 [ 516.598176] ? do_syscall_64+0xf9/0x620 [ 516.602148] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 516.607502] ? kasan_kmalloc+0x139/0x160 [ 516.611552] ? kmem_cache_alloc_node+0x146/0x3b0 [ 516.616298] ? should_fail+0x142/0x7b0 [ 516.620175] ? fs_reclaim_release+0xd0/0x110 [ 516.624574] cache_grow_begin+0xa4/0x8a0 [ 516.628623] ? setup_fault_attr+0x200/0x200 [ 516.632934] ? lock_acquire+0x170/0x3c0 [ 516.636898] cache_alloc_refill+0x273/0x340 [ 516.641220] kmem_cache_alloc+0x346/0x370 [ 516.645354] ? mempool_alloc+0x350/0x350 [ 516.649398] ? mempool_free+0x370/0x370 [ 516.653362] mempool_init_node+0x2d0/0x6c0 [ 516.657585] ? mempool_alloc+0x350/0x350 [ 516.661628] ? mempool_free+0x370/0x370 [ 516.665610] mempool_init+0x38/0x50 [ 516.669226] bioset_init+0x532/0x810 [ 516.672932] ? kmem_cache_alloc_node+0x351/0x3b0 [ 516.677679] blk_alloc_queue_node+0x189/0xbf0 [ 516.682167] blk_mq_init_queue+0x44/0xa0 [ 516.686218] nbd_dev_add+0x2b9/0x890 [ 516.689922] nbd_genl_connect+0x488/0x1630 [ 516.695101] ? nbd_xmit_timeout+0x730/0x730 [ 516.699497] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 516.704763] ? validate_nla+0x270/0x820 [ 516.708727] ? nla_parse+0x1b2/0x290 [ 516.712433] genl_family_rcv_msg+0x642/0xc40 [ 516.716836] ? genl_rcv+0x40/0x40 [ 516.720273] ? genl_rcv_msg+0x12f/0x160 [ 516.724239] ? mutex_trylock+0x1a0/0x1a0 [ 516.728308] ? __radix_tree_lookup+0x216/0x370 [ 516.732895] genl_rcv_msg+0xbf/0x160 [ 516.736614] netlink_rcv_skb+0x160/0x440 [ 516.740752] ? genl_family_rcv_msg+0xc40/0xc40 [ 516.745351] ? netlink_ack+0xae0/0xae0 [ 516.749240] ? genl_rcv+0x15/0x40 [ 516.752694] genl_rcv+0x24/0x40 [ 516.755976] netlink_unicast+0x4d5/0x690 [ 516.760117] ? netlink_sendskb+0x110/0x110 [ 516.764430] ? _copy_from_iter_full+0x229/0x7c0 [ 516.769086] ? __phys_addr_symbol+0x2c/0x70 [ 516.773400] ? __check_object_size+0x17b/0x3e0 [ 516.777982] netlink_sendmsg+0x6c3/0xc50 [ 516.782031] ? aa_af_perm+0x230/0x230 [ 516.785816] ? nlmsg_notify+0x1f0/0x1f0 [ 516.789785] ? kernel_recvmsg+0x220/0x220 [ 516.793926] ? nlmsg_notify+0x1f0/0x1f0 [ 516.797889] sock_sendmsg+0xc3/0x120 [ 516.801589] ___sys_sendmsg+0x7bb/0x8e0 [ 516.805553] ? check_preemption_disabled+0x41/0x280 [ 516.810554] ? copy_msghdr_from_user+0x440/0x440 [ 516.815295] ? __fget+0x32f/0x510 [ 516.818750] ? lock_downgrade+0x720/0x720 [ 516.822885] ? check_preemption_disabled+0x41/0x280 [ 516.827895] ? check_preemption_disabled+0x41/0x280 [ 516.832898] ? __fget+0x356/0x510 [ 516.836339] ? do_dup2+0x450/0x450 [ 516.839864] ? lock_downgrade+0x720/0x720 [ 516.843999] ? vfs_write+0x3d7/0x540 [ 516.847704] ? __fdget+0x1d0/0x230 [ 516.851236] __x64_sys_sendmsg+0x132/0x220 [ 516.855461] ? __sys_sendmsg+0x1b0/0x1b0 [ 516.859512] ? vfs_write+0x393/0x540 [ 516.863241] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 516.868592] ? trace_hardirqs_off_caller+0x6e/0x210 [ 516.873594] ? do_syscall_64+0x21/0x620 [ 516.877644] do_syscall_64+0xf9/0x620 [ 516.881432] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 516.886605] RIP: 0033:0x7ff970b3e279 [ 516.890477] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 516.909360] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 516.917052] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 516.924306] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 516.931560] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 516.938812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 516.946080] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 516.990468] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 516.998593] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.012329] UDF-fs: Scanning with blocksize 512 failed [ 517.018599] UDF-fs: Scanning with blocksize 512 failed [ 517.025039] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.037991] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.045352] UDF-fs: Scanning with blocksize 1024 failed [ 517.051139] UDF-fs: Scanning with blocksize 512 failed [ 517.056608] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.068521] UDF-fs: Scanning with blocksize 1024 failed [ 517.081066] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.091843] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.099272] UDF-fs: Scanning with blocksize 2048 failed [ 517.105102] UDF-fs: Scanning with blocksize 1024 failed [ 517.110671] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.117340] UDF-fs: Scanning with blocksize 2048 failed [ 517.128150] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.138264] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 517.138528] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.150839] UDF-fs: Scanning with blocksize 1024 failed [ 517.157507] UDF-fs: Scanning with blocksize 4096 failed [ 517.163465] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.167018] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 517.170586] UDF-fs: Scanning with blocksize 4096 failed [ 517.183269] UDF-fs: Scanning with blocksize 2048 failed 01:09:43 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:43 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 24) [ 517.185334] UDF-fs: Scanning with blocksize 2048 failed [ 517.198212] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 517.198601] nbd: couldn't find device at index -1627389953 [ 517.216213] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.216693] UDF-fs: Scanning with blocksize 4096 failed [ 517.223462] UDF-fs: Scanning with blocksize 4096 failed 01:09:43 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:43 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 517.344712] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.364468] UDF-fs: Scanning with blocksize 512 failed [ 517.384717] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found 01:09:43 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 517.396154] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.413004] UDF-fs: Scanning with blocksize 512 failed [ 517.420964] UDF-fs: Scanning with blocksize 1024 failed [ 517.429346] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.439250] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.446709] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 517.449277] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.461273] UDF-fs: Scanning with blocksize 2048 failed [ 517.467329] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 517.469496] FAULT_INJECTION: forcing a failure. [ 517.469496] name failslab, interval 1, probability 0, space 0, times 0 [ 517.477683] UDF-fs: Scanning with blocksize 512 failed 01:09:43 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 517.492081] UDF-fs: Scanning with blocksize 4096 failed [ 517.498502] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.513229] UDF-fs: Scanning with blocksize 1024 failed [ 517.513261] UDF-fs: Scanning with blocksize 1024 failed [ 517.525809] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.535830] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 517.536574] CPU: 0 PID: 31329 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 517.543910] UDF-fs: Scanning with blocksize 2048 failed [ 517.550366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 517.550372] Call Trace: [ 517.550392] dump_stack+0x1fc/0x2ef [ 517.550411] should_fail.cold+0xa/0xf [ 517.550428] ? setup_fault_attr+0x200/0x200 [ 517.550442] ? lock_acquire+0x170/0x3c0 [ 517.550460] __should_failslab+0x115/0x180 [ 517.587657] should_failslab+0x5/0x10 [ 517.591447] kmem_cache_alloc+0x277/0x370 [ 517.595579] ? mempool_alloc+0x350/0x350 [ 517.599629] mempool_init_node+0x2d0/0x6c0 [ 517.603855] ? mempool_alloc+0x350/0x350 [ 517.607898] ? mempool_free+0x370/0x370 [ 517.611855] mempool_init+0x38/0x50 [ 517.615469] bioset_init+0x532/0x810 [ 517.619168] ? kmem_cache_alloc_node+0x351/0x3b0 [ 517.623912] blk_alloc_queue_node+0x189/0xbf0 [ 517.628398] blk_mq_init_queue+0x44/0xa0 [ 517.632447] nbd_dev_add+0x2b9/0x890 [ 517.636155] nbd_genl_connect+0x488/0x1630 [ 517.640381] ? nbd_xmit_timeout+0x730/0x730 [ 517.644687] ? validate_nla+0x201/0x820 [ 517.648647] ? validate_nla+0x270/0x820 [ 517.652610] ? nla_parse+0x1b2/0x290 [ 517.656316] genl_family_rcv_msg+0x642/0xc40 [ 517.660713] ? genl_rcv+0x40/0x40 [ 517.664150] ? genl_rcv_msg+0x12f/0x160 [ 517.668110] ? mutex_trylock+0x1a0/0x1a0 [ 517.672164] ? __radix_tree_lookup+0x216/0x370 [ 517.676740] genl_rcv_msg+0xbf/0x160 [ 517.680443] netlink_rcv_skb+0x160/0x440 [ 517.684518] ? genl_family_rcv_msg+0xc40/0xc40 [ 517.689109] ? netlink_ack+0xae0/0xae0 [ 517.692999] ? genl_rcv+0x15/0x40 [ 517.696456] genl_rcv+0x24/0x40 [ 517.699728] netlink_unicast+0x4d5/0x690 [ 517.703782] ? netlink_sendskb+0x110/0x110 [ 517.708003] ? _copy_from_iter_full+0x229/0x7c0 [ 517.712662] ? __phys_addr_symbol+0x2c/0x70 [ 517.716972] ? __check_object_size+0x17b/0x3e0 [ 517.721544] netlink_sendmsg+0x6c3/0xc50 [ 517.725600] ? aa_af_perm+0x230/0x230 [ 517.729388] ? nlmsg_notify+0x1f0/0x1f0 [ 517.733359] ? kernel_recvmsg+0x220/0x220 [ 517.737500] ? nlmsg_notify+0x1f0/0x1f0 [ 517.741462] sock_sendmsg+0xc3/0x120 [ 517.745165] ___sys_sendmsg+0x7bb/0x8e0 [ 517.749294] ? check_preemption_disabled+0x41/0x280 [ 517.754331] ? copy_msghdr_from_user+0x440/0x440 [ 517.759085] ? __fget+0x32f/0x510 [ 517.762535] ? lock_downgrade+0x720/0x720 [ 517.766669] ? check_preemption_disabled+0x41/0x280 [ 517.771682] ? check_preemption_disabled+0x41/0x280 [ 517.776696] ? __fget+0x356/0x510 [ 517.780144] ? do_dup2+0x450/0x450 [ 517.783759] ? lock_downgrade+0x720/0x720 [ 517.787895] ? vfs_write+0x3d7/0x540 [ 517.791600] ? __fdget+0x1d0/0x230 [ 517.795132] __x64_sys_sendmsg+0x132/0x220 [ 517.799355] ? __sys_sendmsg+0x1b0/0x1b0 [ 517.803399] ? vfs_write+0x393/0x540 [ 517.807108] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 517.812465] ? trace_hardirqs_off_caller+0x6e/0x210 [ 517.817467] ? do_syscall_64+0x21/0x620 [ 517.821428] do_syscall_64+0xf9/0x620 [ 517.825223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 517.830396] RIP: 0033:0x7ff970b3e279 [ 517.834103] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 517.852988] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 517.860679] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 517.867933] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 517.875197] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 517.882454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 517.889710] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 517.900928] UDF-fs: Scanning with blocksize 2048 failed [ 517.922530] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 517.937296] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 517.947517] UDF-fs: Scanning with blocksize 4096 failed [ 517.957077] UDF-fs: Scanning with blocksize 512 failed [ 517.970202] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 517.997100] UDF-fs: Scanning with blocksize 1024 failed [ 518.005181] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 518.013147] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 518.020392] UDF-fs: Scanning with blocksize 2048 failed [ 518.025997] UDF-fs: Scanning with blocksize 4096 failed [ 518.033249] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 518.041217] UDF-fs: Scanning with blocksize 4096 failed [ 518.046779] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 518.054780] UDF-fs: Scanning with blocksize 512 failed [ 518.061650] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 518.068322] UDF-fs: Scanning with blocksize 1024 failed [ 518.075133] nbd: failed to add new device [ 518.079427] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 518.089573] UDF-fs: Scanning with blocksize 2048 failed [ 518.096340] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 518.103902] UDF-fs: Scanning with blocksize 4096 failed 01:09:44 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 25) 01:09:44 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:44 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:44 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:44 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) (async) timer_settime(r2, 0x0, &(0x7f0000000140)={{}, {0x77359400}}, &(0x7f0000000180)) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async, rerun: 64) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) (rerun: 64) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:44 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {0x0, 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 518.629393] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 518.637664] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 518.652382] UDF-fs: Scanning with blocksize 512 failed [ 518.661804] FAULT_INJECTION: forcing a failure. [ 518.661804] name failslab, interval 1, probability 0, space 0, times 0 [ 518.684617] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 518.698328] UDF-fs: Scanning with blocksize 1024 failed [ 518.709174] CPU: 1 PID: 31364 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 518.717187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 518.726540] Call Trace: [ 518.729243] dump_stack+0x1fc/0x2ef [ 518.732887] should_fail.cold+0xa/0xf [ 518.736804] ? setup_fault_attr+0x200/0x200 [ 518.741128] ? lock_acquire+0x170/0x3c0 [ 518.745100] __should_failslab+0x115/0x180 [ 518.749330] should_failslab+0x5/0x10 [ 518.753122] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 518.758222] bdi_alloc_node+0x5c/0xd0 [ 518.762033] blk_alloc_queue_node+0x1af/0xbf0 [ 518.766523] blk_mq_init_queue+0x44/0xa0 [ 518.770574] nbd_dev_add+0x2b9/0x890 [ 518.774297] nbd_genl_connect+0x488/0x1630 [ 518.778525] ? nbd_xmit_timeout+0x730/0x730 [ 518.782849] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 518.788033] ? validate_nla+0x270/0x820 [ 518.792000] ? nla_parse+0x1b2/0x290 [ 518.795708] genl_family_rcv_msg+0x642/0xc40 [ 518.800119] ? genl_rcv+0x40/0x40 [ 518.803561] ? genl_rcv_msg+0x12f/0x160 [ 518.807520] ? mutex_trylock+0x1a0/0x1a0 [ 518.811578] ? __radix_tree_lookup+0x216/0x370 [ 518.816152] genl_rcv_msg+0xbf/0x160 [ 518.819857] netlink_rcv_skb+0x160/0x440 [ 518.823906] ? genl_family_rcv_msg+0xc40/0xc40 [ 518.828473] ? netlink_ack+0xae0/0xae0 [ 518.832349] ? genl_rcv+0x15/0x40 [ 518.835798] genl_rcv+0x24/0x40 [ 518.839063] netlink_unicast+0x4d5/0x690 [ 518.843112] ? netlink_sendskb+0x110/0x110 [ 518.847331] ? _copy_from_iter_full+0x229/0x7c0 [ 518.851985] ? __phys_addr_symbol+0x2c/0x70 [ 518.856293] ? __check_object_size+0x17b/0x3e0 [ 518.860864] netlink_sendmsg+0x6c3/0xc50 [ 518.864915] ? aa_af_perm+0x230/0x230 [ 518.868715] ? nlmsg_notify+0x1f0/0x1f0 [ 518.872673] ? kernel_recvmsg+0x220/0x220 [ 518.876814] ? nlmsg_notify+0x1f0/0x1f0 [ 518.882176] sock_sendmsg+0xc3/0x120 [ 518.885879] ___sys_sendmsg+0x7bb/0x8e0 [ 518.889846] ? check_preemption_disabled+0x41/0x280 [ 518.894853] ? copy_msghdr_from_user+0x440/0x440 [ 518.899598] ? __fget+0x32f/0x510 [ 518.903052] ? lock_downgrade+0x720/0x720 [ 518.907192] ? check_preemption_disabled+0x41/0x280 [ 518.912196] ? check_preemption_disabled+0x41/0x280 [ 518.917206] ? __fget+0x356/0x510 [ 518.920653] ? do_dup2+0x450/0x450 [ 518.924179] ? lock_downgrade+0x720/0x720 [ 518.928316] ? vfs_write+0x3d7/0x540 [ 518.932027] ? __fdget+0x1d0/0x230 [ 518.935557] __x64_sys_sendmsg+0x132/0x220 [ 518.939779] ? __sys_sendmsg+0x1b0/0x1b0 [ 518.943823] ? vfs_write+0x393/0x540 [ 518.947530] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 518.952889] ? trace_hardirqs_off_caller+0x6e/0x210 [ 518.957894] ? do_syscall_64+0x21/0x620 [ 518.961958] do_syscall_64+0xf9/0x620 [ 518.965751] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 518.970924] RIP: 0033:0x7ff970b3e279 [ 518.974633] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 518.993515] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 519.001208] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 519.008463] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 519.015716] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 519.022968] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:09:45 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_create(0x0, &(0x7f0000000000)={0x0, 0x16}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) (async) timer_settime(r2, 0x0, &(0x7f0000000140)={{}, {0x77359400}}, &(0x7f0000000180)) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r3 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r3}, &(0x7f0000000040)=0x0) timer_settime(r4, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:45 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 26) [ 519.030222] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 519.048284] nbd: failed to add new device [ 519.080622] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 519.087800] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 519.114811] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 519.126311] UDF-fs: Scanning with blocksize 512 failed [ 519.133195] UDF-fs: Scanning with blocksize 512 failed [ 519.138858] UDF-fs: Scanning with blocksize 512 failed [ 519.165197] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 519.167187] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 519.181569] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 519.188301] UDF-fs: Scanning with blocksize 2048 failed [ 519.188715] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 519.212725] UDF-fs: Scanning with blocksize 1024 failed [ 519.218937] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 519.226334] UDF-fs: Scanning with blocksize 1024 failed 01:09:45 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x13, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) write$P9_RVERSION(r0, &(0x7f0000000140)={0x13, 0x65, 0xffff, 0x7, 0x6, '9P2000'}, 0x13) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}}, 0x0) capset(&(0x7f0000000180)={0x20071026, r2}, &(0x7f00000001c0)={0x1, 0x1, 0x8, 0x80000001, 0xffffffff, 0xea}) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 519.232372] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 519.247734] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 519.253626] UDF-fs: Scanning with blocksize 1024 failed [ 519.262909] UDF-fs: Scanning with blocksize 2048 failed [ 519.273842] UDF-fs: Scanning with blocksize 4096 failed [ 519.282861] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 519.290559] FAULT_INJECTION: forcing a failure. [ 519.290559] name failslab, interval 1, probability 0, space 0, times 0 [ 519.303569] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 519.311516] UDF-fs: Scanning with blocksize 2048 failed [ 519.316864] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 519.318132] UDF-fs: Scanning with blocksize 4096 failed [ 519.329515] CPU: 0 PID: 31404 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 519.337012] UDF-fs: Scanning with blocksize 2048 failed [ 519.337400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 519.352086] Call Trace: [ 519.354669] dump_stack+0x1fc/0x2ef [ 519.358286] should_fail.cold+0xa/0xf [ 519.362075] ? setup_fault_attr+0x200/0x200 [ 519.366397] ? lock_acquire+0x170/0x3c0 [ 519.370364] __should_failslab+0x115/0x180 [ 519.374587] should_failslab+0x5/0x10 [ 519.378385] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 519.383492] bdi_alloc_node+0x5c/0xd0 [ 519.387281] blk_alloc_queue_node+0x1af/0xbf0 [ 519.391769] blk_mq_init_queue+0x44/0xa0 [ 519.395819] nbd_dev_add+0x2b9/0x890 [ 519.399523] nbd_genl_connect+0x488/0x1630 [ 519.403757] ? nbd_xmit_timeout+0x730/0x730 [ 519.408066] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 519.413244] ? validate_nla+0x270/0x820 [ 519.417209] ? nla_parse+0x1b2/0x290 [ 519.420918] genl_family_rcv_msg+0x642/0xc40 [ 519.425317] ? genl_rcv+0x40/0x40 [ 519.428756] ? genl_rcv_msg+0x12f/0x160 [ 519.432717] ? mutex_trylock+0x1a0/0x1a0 [ 519.436772] ? __radix_tree_lookup+0x216/0x370 [ 519.441343] genl_rcv_msg+0xbf/0x160 [ 519.445045] netlink_rcv_skb+0x160/0x440 [ 519.449095] ? genl_family_rcv_msg+0xc40/0xc40 [ 519.453663] ? netlink_ack+0xae0/0xae0 [ 519.457552] ? genl_rcv+0x15/0x40 [ 519.460999] genl_rcv+0x24/0x40 [ 519.464267] netlink_unicast+0x4d5/0x690 [ 519.468314] ? netlink_sendskb+0x110/0x110 [ 519.472534] ? _copy_from_iter_full+0x229/0x7c0 [ 519.477188] ? __phys_addr_symbol+0x2c/0x70 [ 519.481500] ? __check_object_size+0x17b/0x3e0 [ 519.486511] netlink_sendmsg+0x6c3/0xc50 [ 519.490563] ? aa_af_perm+0x230/0x230 [ 519.494348] ? nlmsg_notify+0x1f0/0x1f0 [ 519.498304] ? kernel_recvmsg+0x220/0x220 [ 519.502444] ? nlmsg_notify+0x1f0/0x1f0 [ 519.506406] sock_sendmsg+0xc3/0x120 [ 519.510105] ___sys_sendmsg+0x7bb/0x8e0 [ 519.514071] ? check_preemption_disabled+0x41/0x280 [ 519.519074] ? copy_msghdr_from_user+0x440/0x440 [ 519.523820] ? __fget+0x32f/0x510 [ 519.527266] ? lock_downgrade+0x720/0x720 [ 519.531405] ? check_preemption_disabled+0x41/0x280 [ 519.536408] ? check_preemption_disabled+0x41/0x280 [ 519.541416] ? __fget+0x356/0x510 [ 519.544887] ? do_dup2+0x450/0x450 [ 519.548442] ? lock_downgrade+0x720/0x720 [ 519.552592] ? vfs_write+0x3d7/0x540 [ 519.556308] ? __fdget+0x1d0/0x230 [ 519.559849] __x64_sys_sendmsg+0x132/0x220 [ 519.564074] ? __sys_sendmsg+0x1b0/0x1b0 [ 519.568123] ? vfs_write+0x393/0x540 [ 519.571834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 519.577187] ? trace_hardirqs_off_caller+0x6e/0x210 [ 519.582196] ? do_syscall_64+0x21/0x620 [ 519.586164] do_syscall_64+0xf9/0x620 [ 519.589956] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 519.595135] RIP: 0033:0x7ff970b3e279 [ 519.598835] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 519.617719] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 519.625411] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 01:09:45 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 519.632667] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 519.639926] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 519.647183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 519.654438] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:46 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 519.695880] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 519.711034] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 519.717875] nbd: failed to add new device [ 519.721158] UDF-fs: Scanning with blocksize 4096 failed [ 519.723691] UDF-fs: Scanning with blocksize 4096 failed 01:09:46 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 27) 01:09:46 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:46 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 519.893827] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 519.901403] UDF-fs: Scanning with blocksize 512 failed [ 519.907260] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 519.915555] UDF-fs: Scanning with blocksize 1024 failed [ 519.922543] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 519.930475] UDF-fs: Scanning with blocksize 2048 failed [ 519.936314] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:46 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 519.944006] UDF-fs: Scanning with blocksize 4096 failed [ 519.954818] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 519.975431] FAULT_INJECTION: forcing a failure. [ 519.975431] name failslab, interval 1, probability 0, space 0, times 0 [ 519.989650] CPU: 0 PID: 31430 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 519.997545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 520.006909] Call Trace: [ 520.009491] dump_stack+0x1fc/0x2ef [ 520.013109] should_fail.cold+0xa/0xf [ 520.016901] ? setup_fault_attr+0x200/0x200 [ 520.021222] ? lock_acquire+0x170/0x3c0 [ 520.025192] __should_failslab+0x115/0x180 [ 520.029438] should_failslab+0x5/0x10 [ 520.033240] kmem_cache_alloc_trace+0x284/0x380 [ 520.037918] wb_congested_get_create+0x180/0x3a0 [ 520.042684] wb_init+0x4a7/0x770 [ 520.046046] ? __raw_spin_lock_init+0x28/0x100 [ 520.050624] bdi_init+0x29c/0x410 [ 520.054073] bdi_alloc_node+0x76/0xd0 [ 520.057871] blk_alloc_queue_node+0x1af/0xbf0 [ 520.062374] blk_mq_init_queue+0x44/0xa0 [ 520.066428] nbd_dev_add+0x2b9/0x890 [ 520.070131] nbd_genl_connect+0x488/0x1630 [ 520.074355] ? nbd_xmit_timeout+0x730/0x730 [ 520.078665] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 520.083841] ? validate_nla+0x270/0x820 [ 520.087807] ? nla_parse+0x1b2/0x290 [ 520.091510] genl_family_rcv_msg+0x642/0xc40 [ 520.095906] ? genl_rcv+0x40/0x40 [ 520.099343] ? genl_rcv_msg+0x12f/0x160 [ 520.103303] ? mutex_trylock+0x1a0/0x1a0 [ 520.107356] ? __radix_tree_lookup+0x216/0x370 [ 520.111933] genl_rcv_msg+0xbf/0x160 [ 520.115635] netlink_rcv_skb+0x160/0x440 [ 520.119684] ? genl_family_rcv_msg+0xc40/0xc40 [ 520.124251] ? netlink_ack+0xae0/0xae0 [ 520.128124] ? genl_rcv+0x15/0x40 [ 520.131574] genl_rcv+0x24/0x40 [ 520.134839] netlink_unicast+0x4d5/0x690 [ 520.138908] ? netlink_sendskb+0x110/0x110 [ 520.143128] ? _copy_from_iter_full+0x229/0x7c0 [ 520.147800] ? __phys_addr_symbol+0x2c/0x70 [ 520.152110] ? __check_object_size+0x17b/0x3e0 [ 520.156680] netlink_sendmsg+0x6c3/0xc50 [ 520.160733] ? aa_af_perm+0x230/0x230 [ 520.164521] ? nlmsg_notify+0x1f0/0x1f0 [ 520.168487] ? kernel_recvmsg+0x220/0x220 [ 520.172626] ? nlmsg_notify+0x1f0/0x1f0 [ 520.176599] sock_sendmsg+0xc3/0x120 [ 520.180312] ___sys_sendmsg+0x7bb/0x8e0 [ 520.184288] ? check_preemption_disabled+0x41/0x280 [ 520.189307] ? copy_msghdr_from_user+0x440/0x440 [ 520.194069] ? __fget+0x32f/0x510 [ 520.197522] ? lock_downgrade+0x720/0x720 [ 520.201662] ? check_preemption_disabled+0x41/0x280 [ 520.206668] ? check_preemption_disabled+0x41/0x280 [ 520.211673] ? __fget+0x356/0x510 [ 520.215116] ? do_dup2+0x450/0x450 [ 520.218645] ? lock_downgrade+0x720/0x720 [ 520.222780] ? vfs_write+0x3d7/0x540 [ 520.226494] ? __fdget+0x1d0/0x230 [ 520.230022] __x64_sys_sendmsg+0x132/0x220 [ 520.234248] ? __sys_sendmsg+0x1b0/0x1b0 [ 520.238299] ? vfs_write+0x393/0x540 [ 520.242010] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 520.247359] ? trace_hardirqs_off_caller+0x6e/0x210 [ 520.252376] ? do_syscall_64+0x21/0x620 [ 520.256338] do_syscall_64+0xf9/0x620 [ 520.260127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 520.265300] RIP: 0033:0x7ff970b3e279 [ 520.269002] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 520.287887] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 520.295578] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 520.302843] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 520.310098] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 520.317353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 520.324605] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 520.341000] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 520.349267] UDF-fs: Scanning with blocksize 512 failed [ 520.365045] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 520.373974] UDF-fs: Scanning with blocksize 1024 failed [ 520.375965] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 520.387150] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:09:46 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 28) [ 520.394156] UDF-fs: Scanning with blocksize 2048 failed [ 520.400576] UDF-fs: Scanning with blocksize 512 failed [ 520.405942] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 520.413270] nbd: failed to add new device [ 520.417616] UDF-fs: Scanning with blocksize 4096 failed [ 520.425352] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 520.442429] UDF-fs: Scanning with blocksize 1024 failed 01:09:46 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 520.473608] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 520.505210] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 520.505969] UDF-fs: Scanning with blocksize 2048 failed [ 520.526143] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 520.544571] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 520.555692] UDF-fs: Scanning with blocksize 512 failed [ 520.561698] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 520.571506] FAULT_INJECTION: forcing a failure. [ 520.571506] name failslab, interval 1, probability 0, space 0, times 0 [ 520.595686] UDF-fs: Scanning with blocksize 4096 failed [ 520.596421] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 520.603284] CPU: 0 PID: 31450 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 520.608070] UDF-fs: Scanning with blocksize 512 failed [ 520.615747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 520.615753] Call Trace: [ 520.615773] dump_stack+0x1fc/0x2ef [ 520.615792] should_fail.cold+0xa/0xf [ 520.615809] ? setup_fault_attr+0x200/0x200 [ 520.615823] ? lock_acquire+0x170/0x3c0 [ 520.615848] __should_failslab+0x115/0x180 [ 520.628650] UDF-fs: Scanning with blocksize 1024 failed [ 520.630459] should_failslab+0x5/0x10 [ 520.630476] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 520.630495] blkg_alloc+0x92/0x630 [ 520.670617] blkcg_init_queue+0x24/0x540 [ 520.674668] blk_alloc_queue_node+0x7d0/0xbf0 [ 520.679155] blk_mq_init_queue+0x44/0xa0 [ 520.683204] nbd_dev_add+0x2b9/0x890 [ 520.686908] nbd_genl_connect+0x488/0x1630 [ 520.691135] ? nbd_xmit_timeout+0x730/0x730 [ 520.695460] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 520.700643] ? validate_nla+0x270/0x820 [ 520.704624] ? nla_parse+0x1b2/0x290 [ 520.708339] genl_family_rcv_msg+0x642/0xc40 [ 520.712746] ? genl_rcv+0x40/0x40 [ 520.716187] ? genl_rcv_msg+0x12f/0x160 [ 520.720152] ? mutex_trylock+0x1a0/0x1a0 [ 520.724221] ? __radix_tree_lookup+0x216/0x370 [ 520.728800] genl_rcv_msg+0xbf/0x160 [ 520.732510] netlink_rcv_skb+0x160/0x440 [ 520.736562] ? genl_family_rcv_msg+0xc40/0xc40 [ 520.741130] ? netlink_ack+0xae0/0xae0 [ 520.745012] ? genl_rcv+0x15/0x40 [ 520.748457] genl_rcv+0x24/0x40 [ 520.751725] netlink_unicast+0x4d5/0x690 [ 520.755775] ? netlink_sendskb+0x110/0x110 [ 520.760009] ? _copy_from_iter_full+0x229/0x7c0 [ 520.764683] ? __phys_addr_symbol+0x2c/0x70 [ 520.768999] ? __check_object_size+0x17b/0x3e0 [ 520.773576] netlink_sendmsg+0x6c3/0xc50 [ 520.777629] ? aa_af_perm+0x230/0x230 [ 520.781417] ? nlmsg_notify+0x1f0/0x1f0 [ 520.785394] ? kernel_recvmsg+0x220/0x220 [ 520.789535] ? nlmsg_notify+0x1f0/0x1f0 [ 520.793502] sock_sendmsg+0xc3/0x120 [ 520.797206] ___sys_sendmsg+0x7bb/0x8e0 [ 520.801169] ? check_preemption_disabled+0x41/0x280 [ 520.806169] ? copy_msghdr_from_user+0x440/0x440 [ 520.810911] ? __fget+0x32f/0x510 [ 520.814365] ? lock_downgrade+0x720/0x720 [ 520.818511] ? check_preemption_disabled+0x41/0x280 [ 520.823514] ? check_preemption_disabled+0x41/0x280 [ 520.828519] ? __fget+0x356/0x510 [ 520.831962] ? do_dup2+0x450/0x450 [ 520.835486] ? lock_downgrade+0x720/0x720 [ 520.839631] ? vfs_write+0x3d7/0x540 [ 520.843334] ? __fdget+0x1d0/0x230 [ 520.846871] __x64_sys_sendmsg+0x132/0x220 [ 520.851094] ? __sys_sendmsg+0x1b0/0x1b0 [ 520.855492] ? vfs_write+0x393/0x540 [ 520.859212] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 520.864560] ? trace_hardirqs_off_caller+0x6e/0x210 [ 520.869568] ? do_syscall_64+0x21/0x620 [ 520.873531] do_syscall_64+0xf9/0x620 [ 520.877319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 520.882492] RIP: 0033:0x7ff970b3e279 [ 520.886199] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 520.905083] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 520.912862] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 520.920114] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 520.927367] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 520.934629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 520.941882] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 520.961583] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:47 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 520.974497] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 520.974866] UDF-fs: Scanning with blocksize 1024 failed [ 520.987231] nbd: failed to add new device [ 520.995427] UDF-fs: Scanning with blocksize 2048 failed [ 521.001104] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 521.020471] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 521.031100] UDF-fs: Scanning with blocksize 512 failed [ 521.042338] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 521.051865] UDF-fs: Scanning with blocksize 2048 failed [ 521.058376] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 521.058426] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found 01:09:47 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 29) [ 521.078066] UDF-fs: Scanning with blocksize 1024 failed [ 521.093518] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 521.102938] UDF-fs: Scanning with blocksize 4096 failed [ 521.116895] UDF-fs: Scanning with blocksize 4096 failed [ 521.124039] UDF-fs: Scanning with blocksize 512 failed [ 521.127571] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 521.137860] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 521.143875] FAULT_INJECTION: forcing a failure. [ 521.143875] name failslab, interval 1, probability 0, space 0, times 0 [ 521.145623] UDF-fs: Scanning with blocksize 2048 failed [ 521.162614] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 521.170950] UDF-fs: Scanning with blocksize 1024 failed [ 521.178549] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 521.183263] CPU: 0 PID: 31470 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 521.186074] UDF-fs: Scanning with blocksize 2048 failed [ 521.193088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 521.193093] Call Trace: [ 521.193115] dump_stack+0x1fc/0x2ef [ 521.193135] should_fail.cold+0xa/0xf [ 521.193154] ? setup_fault_attr+0x200/0x200 [ 521.193170] ? lock_acquire+0x170/0x3c0 [ 521.193191] __should_failslab+0x115/0x180 [ 521.193207] should_failslab+0x5/0x10 [ 521.193221] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 521.193237] blkg_alloc+0x92/0x630 [ 521.193256] blkcg_init_queue+0x24/0x540 [ 521.247319] blk_alloc_queue_node+0x7d0/0xbf0 [ 521.251824] blk_mq_init_queue+0x44/0xa0 [ 521.255875] nbd_dev_add+0x2b9/0x890 [ 521.259587] nbd_genl_connect+0x488/0x1630 [ 521.263905] ? nbd_xmit_timeout+0x730/0x730 [ 521.268214] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 521.273394] ? validate_nla+0x270/0x820 [ 521.277464] ? nla_parse+0x1b2/0x290 [ 521.281191] genl_family_rcv_msg+0x642/0xc40 [ 521.285587] ? genl_rcv+0x40/0x40 [ 521.289024] ? genl_rcv_msg+0x12f/0x160 [ 521.292983] ? mutex_trylock+0x1a0/0x1a0 [ 521.297035] ? __radix_tree_lookup+0x216/0x370 [ 521.301607] genl_rcv_msg+0xbf/0x160 [ 521.305309] netlink_rcv_skb+0x160/0x440 [ 521.309355] ? genl_family_rcv_msg+0xc40/0xc40 [ 521.313924] ? netlink_ack+0xae0/0xae0 [ 521.317799] ? genl_rcv+0x15/0x40 [ 521.321242] genl_rcv+0x24/0x40 [ 521.324510] netlink_unicast+0x4d5/0x690 [ 521.328561] ? netlink_sendskb+0x110/0x110 [ 521.332779] ? _copy_from_iter_full+0x229/0x7c0 [ 521.337435] ? __phys_addr_symbol+0x2c/0x70 [ 521.341744] ? __check_object_size+0x17b/0x3e0 [ 521.346333] netlink_sendmsg+0x6c3/0xc50 [ 521.350382] ? aa_af_perm+0x230/0x230 [ 521.354174] ? nlmsg_notify+0x1f0/0x1f0 [ 521.358135] ? kernel_recvmsg+0x220/0x220 [ 521.362276] ? nlmsg_notify+0x1f0/0x1f0 [ 521.366259] sock_sendmsg+0xc3/0x120 [ 521.369960] ___sys_sendmsg+0x7bb/0x8e0 [ 521.373925] ? check_preemption_disabled+0x41/0x280 [ 521.378936] ? copy_msghdr_from_user+0x440/0x440 [ 521.383689] ? __fget+0x32f/0x510 [ 521.387219] ? lock_downgrade+0x720/0x720 [ 521.391362] ? check_preemption_disabled+0x41/0x280 [ 521.396363] ? check_preemption_disabled+0x41/0x280 [ 521.401376] ? __fget+0x356/0x510 [ 521.404817] ? do_dup2+0x450/0x450 [ 521.408342] ? lock_downgrade+0x720/0x720 [ 521.412478] ? vfs_write+0x3d7/0x540 [ 521.416188] ? __fdget+0x1d0/0x230 [ 521.419730] __x64_sys_sendmsg+0x132/0x220 [ 521.423951] ? __sys_sendmsg+0x1b0/0x1b0 [ 521.427995] ? vfs_write+0x393/0x540 [ 521.431704] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 521.437056] ? trace_hardirqs_off_caller+0x6e/0x210 [ 521.442055] ? do_syscall_64+0x21/0x620 [ 521.446018] do_syscall_64+0xf9/0x620 [ 521.449807] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 521.454980] RIP: 0033:0x7ff970b3e279 [ 521.458684] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 521.477569] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 521.485394] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 521.492655] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 521.499911] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 521.507167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 521.514601] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:47 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 521.540194] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 521.548776] UDF-fs: Scanning with blocksize 4096 failed [ 521.591408] nbd: failed to add new device [ 521.611548] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 521.618297] UDF-fs: Scanning with blocksize 4096 failed [ 521.725339] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 521.732437] UDF-fs: Scanning with blocksize 512 failed [ 521.738598] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 521.747236] UDF-fs: Scanning with blocksize 1024 failed [ 521.754151] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 521.762850] UDF-fs: Scanning with blocksize 2048 failed [ 521.769030] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 521.783355] UDF-fs: Scanning with blocksize 4096 failed 01:09:48 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x13, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) write$P9_RVERSION(r0, &(0x7f0000000140)={0x13, 0x65, 0xffff, 0x7, 0x6, '9P2000'}, 0x13) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async, rerun: 32) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (rerun: 32) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}}, 0x0) (async, rerun: 64) capset(&(0x7f0000000180)={0x20071026, r2}, &(0x7f00000001c0)={0x1, 0x1, 0x8, 0x80000001, 0xffffffff, 0xea}) (async, rerun: 64) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:48 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:48 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100), 0x0, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:48 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 30) 01:09:48 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:48 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 522.307253] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 522.307350] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 522.314753] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 522.336283] UDF-fs: Scanning with blocksize 512 failed [ 522.347518] UDF-fs: Scanning with blocksize 512 failed [ 522.363259] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 522.372783] UDF-fs: Scanning with blocksize 512 failed [ 522.380150] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 522.399022] UDF-fs: Scanning with blocksize 1024 failed [ 522.410668] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 522.418594] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 522.419268] FAULT_INJECTION: forcing a failure. [ 522.419268] name failslab, interval 1, probability 0, space 0, times 0 [ 522.438571] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 522.439051] capability: warning: `syz-executor.1' uses deprecated v2 capabilities in a way that may be insecure [ 522.446705] UDF-fs: Scanning with blocksize 1024 failed [ 522.461876] UDF-fs: Scanning with blocksize 2048 failed [ 522.468302] CPU: 0 PID: 31511 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 522.476206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 522.477442] UDF-fs: Scanning with blocksize 1024 failed [ 522.485547] Call Trace: [ 522.485569] dump_stack+0x1fc/0x2ef [ 522.485590] should_fail.cold+0xa/0xf [ 522.485620] ? setup_fault_attr+0x200/0x200 [ 522.485634] ? lock_acquire+0x170/0x3c0 [ 522.485659] __should_failslab+0x115/0x180 [ 522.485676] should_failslab+0x5/0x10 [ 522.485689] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 522.485705] ? iolatency_pd_init+0x6f0/0x6f0 [ 522.485720] iolatency_pd_alloc+0x6e/0x120 [ 522.485734] blkcg_activate_policy+0x120/0x5d0 [ 522.485750] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 522.509309] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 522.509339] blk_iolatency_init+0x123/0x2d0 [ 522.518216] UDF-fs: Scanning with blocksize 512 failed [ 522.522428] blkcg_init_queue+0x1c1/0x540 [ 522.522448] blk_alloc_queue_node+0x7d0/0xbf0 [ 522.522470] blk_mq_init_queue+0x44/0xa0 [ 522.522488] nbd_dev_add+0x2b9/0x890 [ 522.522505] nbd_genl_connect+0x488/0x1630 [ 522.522524] ? nbd_xmit_timeout+0x730/0x730 [ 522.522541] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 522.522556] ? validate_nla+0x270/0x820 [ 522.522572] ? nla_parse+0x1b2/0x290 [ 522.539687] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 522.540756] genl_family_rcv_msg+0x642/0xc40 [ 522.540778] ? genl_rcv+0x40/0x40 [ 522.540791] ? genl_rcv_msg+0x12f/0x160 [ 522.540807] ? mutex_trylock+0x1a0/0x1a0 [ 522.540833] ? __radix_tree_lookup+0x216/0x370 [ 522.552299] UDF-fs: Scanning with blocksize 1024 failed [ 522.557235] genl_rcv_msg+0xbf/0x160 [ 522.557255] netlink_rcv_skb+0x160/0x440 [ 522.557272] ? genl_family_rcv_msg+0xc40/0xc40 [ 522.557288] ? netlink_ack+0xae0/0xae0 [ 522.557303] ? genl_rcv+0x15/0x40 [ 522.557321] genl_rcv+0x24/0x40 [ 522.570321] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 522.573677] netlink_unicast+0x4d5/0x690 [ 522.573696] ? netlink_sendskb+0x110/0x110 [ 522.573711] ? _copy_from_iter_full+0x229/0x7c0 [ 522.573726] ? __phys_addr_symbol+0x2c/0x70 [ 522.573742] ? __check_object_size+0x17b/0x3e0 [ 522.573759] netlink_sendmsg+0x6c3/0xc50 [ 522.578817] UDF-fs: Scanning with blocksize 2048 failed [ 522.582283] ? aa_af_perm+0x230/0x230 [ 522.582298] ? nlmsg_notify+0x1f0/0x1f0 [ 522.582310] ? kernel_recvmsg+0x220/0x220 [ 522.582332] ? nlmsg_notify+0x1f0/0x1f0 [ 522.582348] sock_sendmsg+0xc3/0x120 [ 522.582360] ___sys_sendmsg+0x7bb/0x8e0 01:09:49 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 31) [ 522.582376] ? check_preemption_disabled+0x41/0x280 [ 522.582388] ? copy_msghdr_from_user+0x440/0x440 [ 522.582402] ? __fget+0x32f/0x510 [ 522.582420] ? lock_downgrade+0x720/0x720 [ 522.582433] ? check_preemption_disabled+0x41/0x280 [ 522.582447] ? check_preemption_disabled+0x41/0x280 [ 522.582463] ? __fget+0x356/0x510 [ 522.592791] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 522.595288] ? do_dup2+0x450/0x450 [ 522.595303] ? lock_downgrade+0x720/0x720 [ 522.595319] ? vfs_write+0x3d7/0x540 01:09:49 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 522.595337] ? __fdget+0x1d0/0x230 [ 522.595356] __x64_sys_sendmsg+0x132/0x220 [ 522.612478] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 522.613786] ? __sys_sendmsg+0x1b0/0x1b0 [ 522.613801] ? vfs_write+0x393/0x540 [ 522.613830] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 522.613847] ? trace_hardirqs_off_caller+0x6e/0x210 [ 522.613861] ? do_syscall_64+0x21/0x620 [ 522.613876] do_syscall_64+0xf9/0x620 [ 522.622327] UDF-fs: Scanning with blocksize 4096 failed [ 522.622532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 522.622545] RIP: 0033:0x7ff970b3e279 [ 522.622560] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 522.622568] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 522.622582] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 522.622589] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 522.622600] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 522.635261] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 522.635687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 522.635696] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 522.638679] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 522.663521] UDF-fs: Scanning with blocksize 2048 failed [ 522.676947] UDF-fs: Scanning with blocksize 4096 failed [ 522.690178] UDF-fs: Scanning with blocksize 2048 failed [ 522.695129] nbd: failed to add new device [ 522.712333] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 522.745132] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 522.745146] UDF-fs: Scanning with blocksize 4096 failed [ 522.761556] UDF-fs: Scanning with blocksize 4096 failed [ 522.960621] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 522.968524] FAULT_INJECTION: forcing a failure. [ 522.968524] name failslab, interval 1, probability 0, space 0, times 0 [ 522.982511] CPU: 0 PID: 31529 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 522.990398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 522.999737] Call Trace: [ 523.002331] dump_stack+0x1fc/0x2ef [ 523.005952] should_fail.cold+0xa/0xf [ 523.009737] ? setup_fault_attr+0x200/0x200 [ 523.014040] ? lock_acquire+0x170/0x3c0 [ 523.017998] __should_failslab+0x115/0x180 [ 523.022225] should_failslab+0x5/0x10 [ 523.026023] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 523.031124] ? iolatency_pd_init+0x6f0/0x6f0 [ 523.035539] iolatency_pd_alloc+0x6e/0x120 [ 523.039774] blkcg_activate_policy+0x120/0x5d0 [ 523.044361] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 523.049391] blk_iolatency_init+0x123/0x2d0 [ 523.053701] blkcg_init_queue+0x1c1/0x540 [ 523.057836] blk_alloc_queue_node+0x7d0/0xbf0 [ 523.062327] blk_mq_init_queue+0x44/0xa0 [ 523.066380] nbd_dev_add+0x2b9/0x890 [ 523.070090] nbd_genl_connect+0x488/0x1630 [ 523.074308] ? nbd_xmit_timeout+0x730/0x730 [ 523.078624] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 523.083815] ? validate_nla+0x270/0x820 [ 523.087782] ? nla_parse+0x1b2/0x290 [ 523.091480] genl_family_rcv_msg+0x642/0xc40 [ 523.095894] ? genl_rcv+0x40/0x40 [ 523.099336] ? genl_rcv_msg+0x12f/0x160 [ 523.103310] ? mutex_trylock+0x1a0/0x1a0 [ 523.107368] ? __radix_tree_lookup+0x216/0x370 [ 523.111935] genl_rcv_msg+0xbf/0x160 [ 523.115629] netlink_rcv_skb+0x160/0x440 [ 523.119682] ? genl_family_rcv_msg+0xc40/0xc40 [ 523.124258] ? netlink_ack+0xae0/0xae0 [ 523.128138] ? genl_rcv+0x15/0x40 [ 523.131591] genl_rcv+0x24/0x40 [ 523.134865] netlink_unicast+0x4d5/0x690 [ 523.138928] ? netlink_sendskb+0x110/0x110 [ 523.143163] ? _copy_from_iter_full+0x229/0x7c0 [ 523.147824] ? __phys_addr_symbol+0x2c/0x70 [ 523.152129] ? __check_object_size+0x17b/0x3e0 [ 523.156714] netlink_sendmsg+0x6c3/0xc50 [ 523.160769] ? aa_af_perm+0x230/0x230 [ 523.164563] ? nlmsg_notify+0x1f0/0x1f0 [ 523.168528] ? kernel_recvmsg+0x220/0x220 [ 523.172663] ? nlmsg_notify+0x1f0/0x1f0 [ 523.176706] sock_sendmsg+0xc3/0x120 [ 523.180411] ___sys_sendmsg+0x7bb/0x8e0 [ 523.184416] ? check_preemption_disabled+0x41/0x280 [ 523.189419] ? copy_msghdr_from_user+0x440/0x440 [ 523.194158] ? __fget+0x32f/0x510 [ 523.197608] ? lock_downgrade+0x720/0x720 [ 523.201753] ? check_preemption_disabled+0x41/0x280 [ 523.206764] ? check_preemption_disabled+0x41/0x280 [ 523.211766] ? __fget+0x356/0x510 [ 523.215201] ? do_dup2+0x450/0x450 [ 523.218734] ? lock_downgrade+0x720/0x720 [ 523.222873] ? vfs_write+0x3d7/0x540 [ 523.226577] ? __fdget+0x1d0/0x230 [ 523.230102] __x64_sys_sendmsg+0x132/0x220 [ 523.234320] ? __sys_sendmsg+0x1b0/0x1b0 [ 523.238372] ? vfs_write+0x393/0x540 [ 523.242091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 523.247445] ? trace_hardirqs_off_caller+0x6e/0x210 [ 523.252443] ? do_syscall_64+0x21/0x620 [ 523.256407] do_syscall_64+0xf9/0x620 [ 523.260298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.265482] RIP: 0033:0x7ff970b3e279 [ 523.269175] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 523.288148] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 523.295851] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 523.303116] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 01:09:49 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x13, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) write$P9_RVERSION(r0, &(0x7f0000000140)={0x13, 0x65, 0xffff, 0x7, 0x6, '9P2000'}, 0x13) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}}, 0x0) (async) capset(&(0x7f0000000180)={0x20071026, r2}, &(0x7f00000001c0)={0x1, 0x1, 0x8, 0x80000001, 0xffffffff, 0xea}) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:49 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:49 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 32) [ 523.310418] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 523.317684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 523.324941] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 523.337456] nbd: failed to add new device 01:09:49 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:49 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 523.459101] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 523.472581] FAULT_INJECTION: forcing a failure. [ 523.472581] name failslab, interval 1, probability 0, space 0, times 0 [ 523.484190] CPU: 0 PID: 31542 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 523.492083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 523.501473] Call Trace: [ 523.504072] dump_stack+0x1fc/0x2ef [ 523.507712] should_fail.cold+0xa/0xf [ 523.511617] ? setup_fault_attr+0x200/0x200 [ 523.515957] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 523.520988] __should_failslab+0x115/0x180 [ 523.525233] should_failslab+0x5/0x10 [ 523.529054] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 523.534090] iolatency_pd_alloc+0x6e/0x120 [ 523.536541] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 523.538329] ? iolatency_pd_init+0x6f0/0x6f0 [ 523.538359] blkcg_activate_policy+0x249/0x5d0 [ 523.538379] blk_iolatency_init+0x123/0x2d0 [ 523.545389] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 523.549438] blkcg_init_queue+0x1c1/0x540 [ 523.549457] blk_alloc_queue_node+0x7d0/0xbf0 [ 523.549477] blk_mq_init_queue+0x44/0xa0 [ 523.549493] nbd_dev_add+0x2b9/0x890 [ 523.549509] nbd_genl_connect+0x488/0x1630 [ 523.549533] ? nbd_xmit_timeout+0x730/0x730 [ 523.568445] UDF-fs: Scanning with blocksize 512 failed [ 523.569228] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 523.569244] ? validate_nla+0x270/0x820 [ 523.569263] ? nla_parse+0x1b2/0x290 [ 523.569281] genl_family_rcv_msg+0x642/0xc40 [ 523.569300] ? genl_rcv+0x40/0x40 [ 523.569311] ? genl_rcv_msg+0x12f/0x160 [ 523.569324] ? mutex_trylock+0x1a0/0x1a0 [ 523.569345] ? __radix_tree_lookup+0x216/0x370 [ 523.582312] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 523.585896] genl_rcv_msg+0xbf/0x160 [ 523.585916] netlink_rcv_skb+0x160/0x440 [ 523.585932] ? genl_family_rcv_msg+0xc40/0xc40 [ 523.585951] ? netlink_ack+0xae0/0xae0 [ 523.598837] UDF-fs: Scanning with blocksize 512 failed [ 523.600708] ? genl_rcv+0x15/0x40 [ 523.600728] genl_rcv+0x24/0x40 [ 523.600742] netlink_unicast+0x4d5/0x690 [ 523.600761] ? netlink_sendskb+0x110/0x110 [ 523.600774] ? _copy_from_iter_full+0x229/0x7c0 [ 523.600787] ? __phys_addr_symbol+0x2c/0x70 [ 523.600801] ? __check_object_size+0x17b/0x3e0 [ 523.600817] netlink_sendmsg+0x6c3/0xc50 [ 523.689368] ? aa_af_perm+0x230/0x230 [ 523.693159] ? nlmsg_notify+0x1f0/0x1f0 [ 523.697119] ? kernel_recvmsg+0x220/0x220 [ 523.701347] ? nlmsg_notify+0x1f0/0x1f0 [ 523.705330] sock_sendmsg+0xc3/0x120 [ 523.709051] ___sys_sendmsg+0x7bb/0x8e0 [ 523.713031] ? check_preemption_disabled+0x41/0x280 [ 523.718057] ? copy_msghdr_from_user+0x440/0x440 [ 523.722832] ? __fget+0x32f/0x510 [ 523.726291] ? lock_downgrade+0x720/0x720 [ 523.730433] ? check_preemption_disabled+0x41/0x280 [ 523.735466] ? check_preemption_disabled+0x41/0x280 [ 523.740501] ? __fget+0x356/0x510 [ 523.743968] ? do_dup2+0x450/0x450 [ 523.747518] ? lock_downgrade+0x720/0x720 [ 523.751687] ? vfs_write+0x3d7/0x540 [ 523.755398] ? __fdget+0x1d0/0x230 [ 523.758934] __x64_sys_sendmsg+0x132/0x220 [ 523.763177] ? __sys_sendmsg+0x1b0/0x1b0 [ 523.767225] ? vfs_write+0x393/0x540 [ 523.770954] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 523.776322] ? trace_hardirqs_off_caller+0x6e/0x210 [ 523.781334] ? do_syscall_64+0x21/0x620 [ 523.785319] do_syscall_64+0xf9/0x620 [ 523.789151] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 523.794338] RIP: 0033:0x7ff970b3e279 [ 523.798046] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 523.816940] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 523.824636] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 523.831891] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 523.839163] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 523.846430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 523.853692] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 523.866193] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 523.883247] UDF-fs: Scanning with blocksize 512 failed [ 523.903001] UDF-fs: Scanning with blocksize 1024 failed [ 523.915711] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 523.933217] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 523.949111] UDF-fs: Scanning with blocksize 512 failed [ 523.960951] UDF-fs: Scanning with blocksize 1024 failed [ 523.964534] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 523.980630] UDF-fs: Scanning with blocksize 1024 failed [ 523.986673] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 523.998974] UDF-fs: Scanning with blocksize 2048 failed [ 524.003975] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 524.011600] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 524.018935] UDF-fs: Scanning with blocksize 4096 failed [ 524.023741] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 524.038791] nbd: couldn't find device at index -1627389953 [ 524.056336] UDF-fs: Scanning with blocksize 2048 failed 01:09:50 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 33) 01:09:50 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 524.067481] UDF-fs: Scanning with blocksize 2048 failed [ 524.075892] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 524.085281] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 524.094707] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 524.109931] UDF-fs: Scanning with blocksize 4096 failed [ 524.117349] UDF-fs: Scanning with blocksize 1024 failed [ 524.129547] UDF-fs: Scanning with blocksize 4096 failed [ 524.137186] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 524.145816] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 524.151180] UDF-fs: Scanning with blocksize 2048 failed [ 524.165723] FAULT_INJECTION: forcing a failure. [ 524.165723] name failslab, interval 1, probability 0, space 0, times 0 [ 524.167073] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 524.181528] CPU: 0 PID: 31576 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 524.191646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 524.197085] UDF-fs: Scanning with blocksize 4096 failed [ 524.201004] Call Trace: [ 524.201025] dump_stack+0x1fc/0x2ef [ 524.201045] should_fail.cold+0xa/0xf 01:09:50 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 524.201066] ? setup_fault_attr+0x200/0x200 [ 524.201081] ? lock_acquire+0x170/0x3c0 [ 524.201101] __should_failslab+0x115/0x180 [ 524.201117] should_failslab+0x5/0x10 [ 524.201130] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 524.201149] blk_throtl_init+0x7c/0x620 [ 524.201161] ? blk_iolatency_init+0x1b7/0x2d0 [ 524.201176] blkcg_init_queue+0x1e3/0x540 [ 524.250431] blk_alloc_queue_node+0x7d0/0xbf0 [ 524.254949] blk_mq_init_queue+0x44/0xa0 [ 524.259012] nbd_dev_add+0x2b9/0x890 [ 524.262727] nbd_genl_connect+0x488/0x1630 [ 524.266971] ? nbd_xmit_timeout+0x730/0x730 [ 524.271354] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 524.276553] ? validate_nla+0x270/0x820 [ 524.280536] ? nla_parse+0x1b2/0x290 [ 524.284251] genl_family_rcv_msg+0x642/0xc40 [ 524.288709] ? genl_rcv+0x40/0x40 [ 524.292167] ? genl_rcv_msg+0x12f/0x160 [ 524.296136] ? mutex_trylock+0x1a0/0x1a0 [ 524.300191] ? __radix_tree_lookup+0x216/0x370 [ 524.304763] genl_rcv_msg+0xbf/0x160 [ 524.308461] netlink_rcv_skb+0x160/0x440 [ 524.312519] ? genl_family_rcv_msg+0xc40/0xc40 [ 524.317093] ? netlink_ack+0xae0/0xae0 [ 524.320969] ? genl_rcv+0x15/0x40 [ 524.324428] genl_rcv+0x24/0x40 [ 524.327691] netlink_unicast+0x4d5/0x690 [ 524.331754] ? netlink_sendskb+0x110/0x110 [ 524.335985] ? _copy_from_iter_full+0x229/0x7c0 [ 524.340638] ? __phys_addr_symbol+0x2c/0x70 [ 524.344966] ? __check_object_size+0x17b/0x3e0 [ 524.349559] netlink_sendmsg+0x6c3/0xc50 [ 524.353626] ? aa_af_perm+0x230/0x230 [ 524.357420] ? nlmsg_notify+0x1f0/0x1f0 [ 524.361375] ? kernel_recvmsg+0x220/0x220 [ 524.365515] ? nlmsg_notify+0x1f0/0x1f0 [ 524.369481] sock_sendmsg+0xc3/0x120 [ 524.373200] ___sys_sendmsg+0x7bb/0x8e0 [ 524.377169] ? check_preemption_disabled+0x41/0x280 [ 524.382168] ? copy_msghdr_from_user+0x440/0x440 [ 524.386916] ? __fget+0x32f/0x510 [ 524.390553] ? lock_downgrade+0x720/0x720 [ 524.394793] ? check_preemption_disabled+0x41/0x280 [ 524.401021] ? check_preemption_disabled+0x41/0x280 [ 524.406023] ? __fget+0x356/0x510 [ 524.409473] ? do_dup2+0x450/0x450 [ 524.413014] ? lock_downgrade+0x720/0x720 [ 524.417153] ? vfs_write+0x3d7/0x540 [ 524.420849] ? __fdget+0x1d0/0x230 [ 524.424382] __x64_sys_sendmsg+0x132/0x220 [ 524.428597] ? __sys_sendmsg+0x1b0/0x1b0 [ 524.432652] ? vfs_write+0x393/0x540 [ 524.436386] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 524.441732] ? trace_hardirqs_off_caller+0x6e/0x210 [ 524.446827] ? do_syscall_64+0x21/0x620 [ 524.450807] do_syscall_64+0xf9/0x620 [ 524.454601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 524.459772] RIP: 0033:0x7ff970b3e279 [ 524.463467] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 524.482354] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 524.490060] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 524.497347] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 524.504603] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 524.511865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:09:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() creat(&(0x7f0000000140)='./file0\x00', 0x90) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) mq_timedsend(r0, &(0x7f0000000440)="25f717477e6f552faea8e09e8a5e3eb27787ff6e71cfa3cfd8993c6d136632903f99703adaa3958a686421debc5ad3c6268f34ddb86aa3abf07c7963ecc5ce3d6c7541ece881c867ad84ef4149d658fc81c040658b130ee0cc740e59f90fed4208ceca504d791b54d5ff69617a229be069146bd05187c649fd6cf3c5851aa10fce74bbc0aa6898e1f943ac456376cfbf20261e294bf04c49e46e2f92f7c8b08447b8848248219c2ea017561e809667e3c928df42373c5f273c713d6bb8f03d70447b77855927349cf6287a168eb727f603f90b5cc9b193f25a1b482b17161f1b0e3420e59edf7a75eb4456b6e1200ab1b260aa97f3c78f28", 0xf8, 0xffffffff, &(0x7f0000000180)) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:50 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:50 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 34) [ 524.519136] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 524.541455] nbd: failed to add new device 01:09:50 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 524.596053] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 524.607270] UDF-fs: Scanning with blocksize 512 failed [ 524.617375] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 524.630241] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 524.635616] UDF-fs: Scanning with blocksize 1024 failed [ 524.642331] FAULT_INJECTION: forcing a failure. [ 524.642331] name failslab, interval 1, probability 0, space 0, times 0 [ 524.655291] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 524.665993] UDF-fs: Scanning with blocksize 2048 failed [ 524.676255] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 524.687059] UDF-fs: Scanning with blocksize 4096 failed [ 524.696385] CPU: 1 PID: 31593 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 524.702263] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 524.704272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 524.704278] Call Trace: [ 524.704298] dump_stack+0x1fc/0x2ef [ 524.704316] should_fail.cold+0xa/0xf [ 524.730324] ? setup_fault_attr+0x200/0x200 [ 524.734127] UDF-fs: Scanning with blocksize 512 failed [ 524.734655] ? lock_acquire+0x170/0x3c0 [ 524.743893] __should_failslab+0x115/0x180 [ 524.748140] should_failslab+0x5/0x10 [ 524.751952] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 524.757068] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 524.761483] throtl_pd_alloc+0x6b/0x940 [ 524.765455] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 524.769857] blkcg_activate_policy+0x120/0x5d0 [ 524.774433] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 524.779438] ? init_timer_key+0x88/0x350 [ 524.783488] blk_throtl_init+0x40d/0x620 [ 524.787540] ? blk_iolatency_init+0x1b7/0x2d0 [ 524.792026] blkcg_init_queue+0x1e3/0x540 [ 524.796189] blk_alloc_queue_node+0x7d0/0xbf0 [ 524.800686] blk_mq_init_queue+0x44/0xa0 [ 524.804736] nbd_dev_add+0x2b9/0x890 [ 524.808443] nbd_genl_connect+0x488/0x1630 [ 524.812685] ? nbd_xmit_timeout+0x730/0x730 [ 524.816997] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 524.822178] ? validate_nla+0x270/0x820 [ 524.826145] ? nla_parse+0x1b2/0x290 [ 524.829852] genl_family_rcv_msg+0x642/0xc40 [ 524.834252] ? genl_rcv+0x40/0x40 [ 524.837693] ? genl_rcv_msg+0x12f/0x160 [ 524.841661] ? mutex_trylock+0x1a0/0x1a0 [ 524.845736] ? __radix_tree_lookup+0x216/0x370 [ 524.850318] genl_rcv_msg+0xbf/0x160 [ 524.854039] netlink_rcv_skb+0x160/0x440 [ 524.858108] ? genl_family_rcv_msg+0xc40/0xc40 [ 524.862693] ? netlink_ack+0xae0/0xae0 [ 524.866590] ? genl_rcv+0x15/0x40 [ 524.870045] genl_rcv+0x24/0x40 [ 524.873321] netlink_unicast+0x4d5/0x690 [ 524.877396] ? netlink_sendskb+0x110/0x110 [ 524.881625] ? _copy_from_iter_full+0x229/0x7c0 [ 524.886289] ? __phys_addr_symbol+0x2c/0x70 [ 524.890620] ? __check_object_size+0x17b/0x3e0 [ 524.895195] netlink_sendmsg+0x6c3/0xc50 [ 524.899249] ? aa_af_perm+0x230/0x230 [ 524.903036] ? nlmsg_notify+0x1f0/0x1f0 [ 524.906996] ? kernel_recvmsg+0x220/0x220 [ 524.911140] ? nlmsg_notify+0x1f0/0x1f0 [ 524.915104] sock_sendmsg+0xc3/0x120 [ 524.918812] ___sys_sendmsg+0x7bb/0x8e0 [ 524.922778] ? check_preemption_disabled+0x41/0x280 [ 524.927796] ? copy_msghdr_from_user+0x440/0x440 [ 524.932555] ? __fget+0x32f/0x510 [ 524.936004] ? lock_downgrade+0x720/0x720 [ 524.940143] ? check_preemption_disabled+0x41/0x280 [ 524.945157] ? check_preemption_disabled+0x41/0x280 [ 524.950307] ? __fget+0x356/0x510 [ 524.953783] ? do_dup2+0x450/0x450 [ 524.957318] ? lock_downgrade+0x720/0x720 [ 524.961465] ? vfs_write+0x3d7/0x540 [ 524.965172] ? __fdget+0x1d0/0x230 [ 524.968705] __x64_sys_sendmsg+0x132/0x220 [ 524.972935] ? __sys_sendmsg+0x1b0/0x1b0 [ 524.976988] ? vfs_write+0x393/0x540 [ 524.980815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 524.986181] ? trace_hardirqs_off_caller+0x6e/0x210 [ 524.991191] ? do_syscall_64+0x21/0x620 [ 524.995163] do_syscall_64+0xf9/0x620 [ 524.998963] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.004142] RIP: 0033:0x7ff970b3e279 [ 525.007843] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 525.026728] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 525.034427] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 525.041695] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 525.048954] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 525.056210] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 525.063465] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:51 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 525.110529] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.117845] UDF-fs: Scanning with blocksize 1024 failed [ 525.140328] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 525.141914] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.159387] UDF-fs: Scanning with blocksize 512 failed [ 525.166187] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.191413] UDF-fs: Scanning with blocksize 512 failed [ 525.197060] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 525.212093] UDF-fs: Scanning with blocksize 2048 failed [ 525.229160] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.236395] UDF-fs: Scanning with blocksize 1024 failed [ 525.244702] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.259323] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 525.267505] UDF-fs: Scanning with blocksize 1024 failed [ 525.273847] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 525.285976] UDF-fs: Scanning with blocksize 4096 failed [ 525.295862] UDF-fs: Scanning with blocksize 2048 failed [ 525.301599] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.308556] UDF-fs: Scanning with blocksize 512 failed [ 525.314568] UDF-fs: Scanning with blocksize 2048 failed [ 525.321029] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 525.327815] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 525.332652] nbd: failed to add new device [ 525.334752] UDF-fs: Scanning with blocksize 4096 failed [ 525.344706] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.356668] UDF-fs: Scanning with blocksize 4096 failed 01:09:51 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 35) 01:09:51 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 525.364783] UDF-fs: Scanning with blocksize 1024 failed [ 525.380502] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 525.387305] UDF-fs: Scanning with blocksize 2048 failed [ 525.394991] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 525.402473] UDF-fs: Scanning with blocksize 4096 failed 01:09:51 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NS', 0x3, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:51 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r2 = gettid() (async) creat(&(0x7f0000000140)='./file0\x00', 0x90) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) mq_timedsend(r0, &(0x7f0000000440)="25f717477e6f552faea8e09e8a5e3eb27787ff6e71cfa3cfd8993c6d136632903f99703adaa3958a686421debc5ad3c6268f34ddb86aa3abf07c7963ecc5ce3d6c7541ece881c867ad84ef4149d658fc81c040658b130ee0cc740e59f90fed4208ceca504d791b54d5ff69617a229be069146bd05187c649fd6cf3c5851aa10fce74bbc0aa6898e1f943ac456376cfbf20261e294bf04c49e46e2f92f7c8b08447b8848248219c2ea017561e809667e3c928df42373c5f273c713d6bb8f03d70447b77855927349cf6287a168eb727f603f90b5cc9b193f25a1b482b17161f1b0e3420e59edf7a75eb4456b6e1200ab1b260aa97f3c78f28", 0xf8, 0xffffffff, &(0x7f0000000180)) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 525.434879] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 525.444584] FAULT_INJECTION: forcing a failure. [ 525.444584] name failslab, interval 1, probability 0, space 0, times 0 [ 525.455779] CPU: 0 PID: 31627 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 525.463651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 525.472996] Call Trace: [ 525.475578] dump_stack+0x1fc/0x2ef [ 525.479200] should_fail.cold+0xa/0xf [ 525.483005] ? setup_fault_attr+0x200/0x200 [ 525.487317] ? lock_acquire+0x170/0x3c0 [ 525.491290] ? check_preemption_disabled+0x41/0x280 [ 525.496315] __should_failslab+0x115/0x180 [ 525.500556] should_failslab+0x5/0x10 [ 525.504348] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 525.509360] throtl_pd_alloc+0x6b/0x940 [ 525.513325] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 525.517714] blkcg_activate_policy+0x249/0x5d0 [ 525.522282] blk_throtl_init+0x40d/0x620 [ 525.526335] ? blk_iolatency_init+0x1b7/0x2d0 [ 525.530836] blkcg_init_queue+0x1e3/0x540 [ 525.534975] blk_alloc_queue_node+0x7d0/0xbf0 [ 525.539466] blk_mq_init_queue+0x44/0xa0 [ 525.543520] nbd_dev_add+0x2b9/0x890 [ 525.547218] nbd_genl_connect+0x488/0x1630 [ 525.551455] ? nbd_xmit_timeout+0x730/0x730 [ 525.555768] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 525.560952] ? validate_nla+0x270/0x820 [ 525.564925] ? nla_parse+0x1b2/0x290 [ 525.568648] genl_family_rcv_msg+0x642/0xc40 [ 525.573058] ? genl_rcv+0x40/0x40 [ 525.576500] ? genl_rcv_msg+0x12f/0x160 [ 525.580468] ? mutex_trylock+0x1a0/0x1a0 [ 525.584524] ? __radix_tree_lookup+0x216/0x370 [ 525.589193] genl_rcv_msg+0xbf/0x160 [ 525.592906] netlink_rcv_skb+0x160/0x440 [ 525.596955] ? genl_family_rcv_msg+0xc40/0xc40 [ 525.601540] ? netlink_ack+0xae0/0xae0 [ 525.605424] ? genl_rcv+0x15/0x40 [ 525.608861] genl_rcv+0x24/0x40 [ 525.612127] netlink_unicast+0x4d5/0x690 [ 525.616174] ? netlink_sendskb+0x110/0x110 [ 525.620400] ? _copy_from_iter_full+0x229/0x7c0 [ 525.625065] ? __phys_addr_symbol+0x2c/0x70 [ 525.629473] ? __check_object_size+0x17b/0x3e0 [ 525.634049] netlink_sendmsg+0x6c3/0xc50 [ 525.638097] ? aa_af_perm+0x230/0x230 [ 525.641891] ? nlmsg_notify+0x1f0/0x1f0 [ 525.645854] ? kernel_recvmsg+0x220/0x220 [ 525.650006] ? nlmsg_notify+0x1f0/0x1f0 [ 525.653972] sock_sendmsg+0xc3/0x120 [ 525.657667] ___sys_sendmsg+0x7bb/0x8e0 [ 525.661627] ? check_preemption_disabled+0x41/0x280 [ 525.666622] ? copy_msghdr_from_user+0x440/0x440 [ 525.671375] ? __fget+0x32f/0x510 [ 525.674828] ? lock_downgrade+0x720/0x720 [ 525.678984] ? check_preemption_disabled+0x41/0x280 [ 525.683995] ? check_preemption_disabled+0x41/0x280 [ 525.689027] ? __fget+0x356/0x510 [ 525.692515] ? do_dup2+0x450/0x450 [ 525.696045] ? lock_downgrade+0x720/0x720 [ 525.700186] ? vfs_write+0x3d7/0x540 [ 525.703894] ? __fdget+0x1d0/0x230 [ 525.707423] __x64_sys_sendmsg+0x132/0x220 [ 525.711647] ? __sys_sendmsg+0x1b0/0x1b0 [ 525.715698] ? vfs_write+0x393/0x540 [ 525.719423] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 525.724779] ? trace_hardirqs_off_caller+0x6e/0x210 [ 525.729790] ? do_syscall_64+0x21/0x620 [ 525.733773] do_syscall_64+0xf9/0x620 [ 525.737574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 525.742755] RIP: 0033:0x7ff970b3e279 [ 525.746457] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 525.765380] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 525.773088] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 525.780350] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 525.787617] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 525.794893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 525.802169] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:52 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 36) [ 525.827488] nbd: couldn't find device at index -1627389953 01:09:52 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:52 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 525.888569] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.890285] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.902161] UDF-fs: Scanning with blocksize 512 failed [ 525.908209] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.920094] UDF-fs: Scanning with blocksize 1024 failed [ 525.933329] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 525.935672] UDF-fs: Scanning with blocksize 512 failed [ 525.947896] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 525.954995] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.969790] UDF-fs: Scanning with blocksize 1024 failed [ 525.976675] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 525.993173] UDF-fs: Scanning with blocksize 2048 failed [ 526.001949] FAULT_INJECTION: forcing a failure. [ 526.001949] name failslab, interval 1, probability 0, space 0, times 0 [ 526.014150] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 526.014294] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 526.025663] UDF-fs: Scanning with blocksize 4096 failed [ 526.027699] UDF-fs: Scanning with blocksize 2048 failed [ 526.038853] UDF-fs: Scanning with blocksize 512 failed [ 526.044967] CPU: 0 PID: 31644 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 526.052862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 526.062206] Call Trace: [ 526.064793] dump_stack+0x1fc/0x2ef [ 526.068417] should_fail.cold+0xa/0xf [ 526.072209] ? setup_fault_attr+0x200/0x200 [ 526.076520] ? lock_acquire+0x170/0x3c0 [ 526.080502] __should_failslab+0x115/0x180 [ 526.084729] should_failslab+0x5/0x10 [ 526.088518] kmem_cache_alloc_trace+0x284/0x380 [ 526.093180] ? blk_mq_hctx_mark_pending+0x1f0/0x1f0 [ 526.098188] ? plug_ctx_cmp+0x100/0x100 [ 526.103369] blk_stat_alloc_callback+0x54/0x290 [ 526.108036] blk_mq_init_allocated_queue+0x80/0x1300 [ 526.113136] ? blkcg_init_queue+0x1fd/0x540 [ 526.117470] ? blk_alloc_queue_node+0x7e4/0xbf0 [ 526.122138] blk_mq_init_queue+0x5c/0xa0 [ 526.126190] nbd_dev_add+0x2b9/0x890 [ 526.129911] nbd_genl_connect+0x488/0x1630 [ 526.134139] ? nbd_xmit_timeout+0x730/0x730 [ 526.138456] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 526.143634] ? validate_nla+0x270/0x820 [ 526.147598] ? nla_parse+0x1b2/0x290 [ 526.151305] genl_family_rcv_msg+0x642/0xc40 [ 526.155704] ? genl_rcv+0x40/0x40 [ 526.159144] ? genl_rcv_msg+0x12f/0x160 [ 526.163104] ? mutex_trylock+0x1a0/0x1a0 [ 526.167158] ? __radix_tree_lookup+0x216/0x370 [ 526.171735] genl_rcv_msg+0xbf/0x160 [ 526.175460] netlink_rcv_skb+0x160/0x440 [ 526.179513] ? genl_family_rcv_msg+0xc40/0xc40 [ 526.184087] ? netlink_ack+0xae0/0xae0 [ 526.187966] ? genl_rcv+0x15/0x40 [ 526.191418] genl_rcv+0x24/0x40 [ 526.194703] netlink_unicast+0x4d5/0x690 [ 526.198764] ? netlink_sendskb+0x110/0x110 [ 526.202984] ? _copy_from_iter_full+0x229/0x7c0 [ 526.207641] ? __phys_addr_symbol+0x2c/0x70 [ 526.211953] ? __check_object_size+0x17b/0x3e0 [ 526.216525] netlink_sendmsg+0x6c3/0xc50 [ 526.220574] ? aa_af_perm+0x230/0x230 [ 526.224364] ? nlmsg_notify+0x1f0/0x1f0 [ 526.228323] ? kernel_recvmsg+0x220/0x220 [ 526.232469] ? nlmsg_notify+0x1f0/0x1f0 [ 526.236430] sock_sendmsg+0xc3/0x120 [ 526.240145] ___sys_sendmsg+0x7bb/0x8e0 [ 526.244114] ? check_preemption_disabled+0x41/0x280 [ 526.249132] ? copy_msghdr_from_user+0x440/0x440 [ 526.253899] ? __fget+0x32f/0x510 [ 526.257343] ? lock_downgrade+0x720/0x720 [ 526.261479] ? check_preemption_disabled+0x41/0x280 [ 526.266483] ? check_preemption_disabled+0x41/0x280 [ 526.271489] ? __fget+0x356/0x510 [ 526.274931] ? do_dup2+0x450/0x450 [ 526.278459] ? lock_downgrade+0x720/0x720 [ 526.282596] ? vfs_write+0x3d7/0x540 [ 526.286299] ? __fdget+0x1d0/0x230 [ 526.289848] __x64_sys_sendmsg+0x132/0x220 [ 526.294093] ? __sys_sendmsg+0x1b0/0x1b0 [ 526.298141] ? vfs_write+0x393/0x540 [ 526.301853] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 526.307205] ? trace_hardirqs_off_caller+0x6e/0x210 [ 526.312210] ? do_syscall_64+0x21/0x620 [ 526.316174] do_syscall_64+0xf9/0x620 [ 526.319969] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 526.325164] RIP: 0033:0x7ff970b3e279 [ 526.328868] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 526.347754] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 526.355541] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 526.362882] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 526.370137] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 526.377392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 526.384645] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:52 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 37) [ 526.400475] nbd: failed to add new device 01:09:52 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 526.422084] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 526.433632] UDF-fs: Scanning with blocksize 4096 failed [ 526.440924] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 526.451982] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 526.462124] UDF-fs: Scanning with blocksize 512 failed [ 526.475328] UDF-fs: Scanning with blocksize 1024 failed [ 526.488756] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 526.497412] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 526.507290] UDF-fs: Scanning with blocksize 2048 failed [ 526.514075] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found 01:09:52 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 526.514338] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 526.521806] UDF-fs: Scanning with blocksize 4096 failed [ 526.530657] UDF-fs: Scanning with blocksize 1024 failed [ 526.555114] FAULT_INJECTION: forcing a failure. [ 526.555114] name failslab, interval 1, probability 0, space 0, times 0 [ 526.567688] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 526.577088] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 526.590305] UDF-fs: Scanning with blocksize 512 failed [ 526.593753] CPU: 0 PID: 31667 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 526.599755] UDF-fs: Scanning with blocksize 2048 failed [ 526.603552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 526.603558] Call Trace: [ 526.603580] dump_stack+0x1fc/0x2ef [ 526.603601] should_fail.cold+0xa/0xf [ 526.603618] ? setup_fault_attr+0x200/0x200 [ 526.603633] ? lock_acquire+0x170/0x3c0 [ 526.603651] __should_failslab+0x115/0x180 [ 526.640777] should_failslab+0x5/0x10 [ 526.644567] __kmalloc+0x2ab/0x3c0 [ 526.648105] ? blk_stat_alloc_callback+0x81/0x290 [ 526.652957] ? blk_mq_hctx_mark_pending+0x1f0/0x1f0 [ 526.657990] ? plug_ctx_cmp+0x100/0x100 [ 526.661982] blk_stat_alloc_callback+0x81/0x290 [ 526.666665] blk_mq_init_allocated_queue+0x80/0x1300 [ 526.671778] ? blkcg_init_queue+0x1fd/0x540 [ 526.676101] ? blk_alloc_queue_node+0x7e4/0xbf0 [ 526.680776] blk_mq_init_queue+0x5c/0xa0 [ 526.684847] nbd_dev_add+0x2b9/0x890 [ 526.688560] nbd_genl_connect+0x488/0x1630 [ 526.692806] ? nbd_xmit_timeout+0x730/0x730 [ 526.697121] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 526.702300] ? validate_nla+0x270/0x820 [ 526.706280] ? nla_parse+0x1b2/0x290 [ 526.710114] genl_family_rcv_msg+0x642/0xc40 [ 526.714525] ? genl_rcv+0x40/0x40 [ 526.717979] ? genl_rcv_msg+0x12f/0x160 [ 526.721948] ? mutex_trylock+0x1a0/0x1a0 [ 526.726010] ? __radix_tree_lookup+0x216/0x370 [ 526.730589] genl_rcv_msg+0xbf/0x160 [ 526.734295] netlink_rcv_skb+0x160/0x440 [ 526.738349] ? genl_family_rcv_msg+0xc40/0xc40 [ 526.742922] ? netlink_ack+0xae0/0xae0 [ 526.746800] ? genl_rcv+0x15/0x40 [ 526.750247] genl_rcv+0x24/0x40 [ 526.753527] netlink_unicast+0x4d5/0x690 [ 526.757594] ? netlink_sendskb+0x110/0x110 [ 526.761820] ? _copy_from_iter_full+0x229/0x7c0 [ 526.766484] ? __phys_addr_symbol+0x2c/0x70 [ 526.770801] ? __check_object_size+0x17b/0x3e0 [ 526.775384] netlink_sendmsg+0x6c3/0xc50 [ 526.779443] ? aa_af_perm+0x230/0x230 [ 526.783231] ? nlmsg_notify+0x1f0/0x1f0 [ 526.787194] ? kernel_recvmsg+0x220/0x220 [ 526.791340] ? nlmsg_notify+0x1f0/0x1f0 [ 526.795308] sock_sendmsg+0xc3/0x120 [ 526.799011] ___sys_sendmsg+0x7bb/0x8e0 [ 526.802973] ? check_preemption_disabled+0x41/0x280 [ 526.807975] ? copy_msghdr_from_user+0x440/0x440 [ 526.812720] ? __fget+0x32f/0x510 [ 526.816163] ? lock_downgrade+0x720/0x720 [ 526.820302] ? check_preemption_disabled+0x41/0x280 [ 526.825307] ? check_preemption_disabled+0x41/0x280 [ 526.830312] ? __fget+0x356/0x510 [ 526.833754] ? do_dup2+0x450/0x450 [ 526.837285] ? lock_downgrade+0x720/0x720 [ 526.841422] ? vfs_write+0x3d7/0x540 [ 526.845128] ? __fdget+0x1d0/0x230 [ 526.848658] __x64_sys_sendmsg+0x132/0x220 [ 526.852892] ? __sys_sendmsg+0x1b0/0x1b0 [ 526.856939] ? vfs_write+0x393/0x540 [ 526.860649] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 526.866011] ? trace_hardirqs_off_caller+0x6e/0x210 [ 526.871037] ? do_syscall_64+0x21/0x620 [ 526.875023] do_syscall_64+0xf9/0x620 [ 526.878819] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 526.883997] RIP: 0033:0x7ff970b3e279 [ 526.887713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 526.906597] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 526.914291] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 526.921559] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 01:09:53 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r2 = gettid() creat(&(0x7f0000000140)='./file0\x00', 0x90) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) mq_timedsend(r0, &(0x7f0000000440)="25f717477e6f552faea8e09e8a5e3eb27787ff6e71cfa3cfd8993c6d136632903f99703adaa3958a686421debc5ad3c6268f34ddb86aa3abf07c7963ecc5ce3d6c7541ece881c867ad84ef4149d658fc81c040658b130ee0cc740e59f90fed4208ceca504d791b54d5ff69617a229be069146bd05187c649fd6cf3c5851aa10fce74bbc0aa6898e1f943ac456376cfbf20261e294bf04c49e46e2f92f7c8b08447b8848248219c2ea017561e809667e3c928df42373c5f273c713d6bb8f03d70447b77855927349cf6287a168eb727f603f90b5cc9b193f25a1b482b17161f1b0e3420e59edf7a75eb4456b6e1200ab1b260aa97f3c78f28", 0xf8, 0xffffffff, &(0x7f0000000180)) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 526.928829] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 526.936084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 526.943338] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 526.960808] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 526.970427] UDF-fs: Scanning with blocksize 4096 failed 01:09:53 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 526.976670] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 526.983447] UDF-fs: Scanning with blocksize 1024 failed [ 526.993868] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 527.001748] UDF-fs: Scanning with blocksize 2048 failed [ 527.013441] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 527.022888] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:53 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 527.034193] UDF-fs: Scanning with blocksize 512 failed [ 527.046207] UDF-fs: Scanning with blocksize 4096 failed [ 527.071815] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 527.101922] UDF-fs: Scanning with blocksize 1024 failed [ 527.115577] nbd: failed to add new device [ 527.124428] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:09:53 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:53 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 38) [ 527.147668] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 527.155354] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 527.162300] UDF-fs: Scanning with blocksize 512 failed [ 527.167984] UDF-fs: Scanning with blocksize 512 failed [ 527.175797] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 527.185078] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 527.192947] UDF-fs: Scanning with blocksize 1024 failed [ 527.200184] UDF-fs: Scanning with blocksize 1024 failed [ 527.205024] UDF-fs: Scanning with blocksize 2048 failed [ 527.208457] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 527.217778] UDF-fs: Scanning with blocksize 512 failed [ 527.225828] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 527.233092] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 527.240392] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 527.247227] UDF-fs: Scanning with blocksize 2048 failed [ 527.252783] UDF-fs: Scanning with blocksize 2048 failed [ 527.258449] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 527.260596] UDF-fs: Scanning with blocksize 1024 failed [ 527.276757] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 527.288940] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 527.292122] UDF-fs: Scanning with blocksize 4096 failed [ 527.296428] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 527.320462] FAULT_INJECTION: forcing a failure. [ 527.320462] name failslab, interval 1, probability 0, space 0, times 0 [ 527.334596] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 527.343862] UDF-fs: Scanning with blocksize 4096 failed [ 527.352046] UDF-fs: Scanning with blocksize 2048 failed [ 527.357840] CPU: 0 PID: 31708 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 527.365731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 527.375075] Call Trace: [ 527.377662] dump_stack+0x1fc/0x2ef [ 527.381283] should_fail.cold+0xa/0xf [ 527.385094] ? setup_fault_attr+0x200/0x200 [ 527.389407] ? lock_acquire+0x170/0x3c0 [ 527.393376] __should_failslab+0x115/0x180 [ 527.397606] should_failslab+0x5/0x10 [ 527.401393] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 527.406485] __kmalloc_node+0x38/0x70 [ 527.410276] blk_mq_init_allocated_queue+0x178/0x1300 [ 527.415453] ? blkcg_init_queue+0x1fd/0x540 [ 527.419780] blk_mq_init_queue+0x5c/0xa0 [ 527.423832] nbd_dev_add+0x2b9/0x890 [ 527.427534] nbd_genl_connect+0x488/0x1630 [ 527.431777] ? nbd_xmit_timeout+0x730/0x730 [ 527.436090] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 527.441267] ? validate_nla+0x270/0x820 [ 527.445235] ? nla_parse+0x1b2/0x290 [ 527.448938] genl_family_rcv_msg+0x642/0xc40 [ 527.453339] ? genl_rcv+0x40/0x40 [ 527.456778] ? genl_rcv_msg+0x12f/0x160 [ 527.460737] ? mutex_trylock+0x1a0/0x1a0 [ 527.464795] ? __radix_tree_lookup+0x216/0x370 [ 527.469371] genl_rcv_msg+0xbf/0x160 [ 527.473092] netlink_rcv_skb+0x160/0x440 [ 527.477140] ? genl_family_rcv_msg+0xc40/0xc40 [ 527.481710] ? netlink_ack+0xae0/0xae0 [ 527.485589] ? genl_rcv+0x15/0x40 [ 527.489036] genl_rcv+0x24/0x40 [ 527.492303] netlink_unicast+0x4d5/0x690 [ 527.496356] ? netlink_sendskb+0x110/0x110 [ 527.500578] ? _copy_from_iter_full+0x229/0x7c0 [ 527.505233] ? __phys_addr_symbol+0x2c/0x70 [ 527.509559] ? __check_object_size+0x17b/0x3e0 [ 527.514131] netlink_sendmsg+0x6c3/0xc50 [ 527.518196] ? aa_af_perm+0x230/0x230 [ 527.521990] ? nlmsg_notify+0x1f0/0x1f0 [ 527.525963] ? kernel_recvmsg+0x220/0x220 [ 527.530104] ? nlmsg_notify+0x1f0/0x1f0 [ 527.534068] sock_sendmsg+0xc3/0x120 [ 527.537768] ___sys_sendmsg+0x7bb/0x8e0 [ 527.541808] ? check_preemption_disabled+0x41/0x280 [ 527.546860] ? copy_msghdr_from_user+0x440/0x440 [ 527.551619] ? __fget+0x32f/0x510 [ 527.555070] ? lock_downgrade+0x720/0x720 [ 527.559211] ? check_preemption_disabled+0x41/0x280 [ 527.564223] ? check_preemption_disabled+0x41/0x280 [ 527.569231] ? __fget+0x356/0x510 [ 527.572676] ? do_dup2+0x450/0x450 [ 527.576210] ? lock_downgrade+0x720/0x720 [ 527.580346] ? vfs_write+0x3d7/0x540 [ 527.584048] ? __fdget+0x1d0/0x230 [ 527.587600] __x64_sys_sendmsg+0x132/0x220 [ 527.591833] ? __sys_sendmsg+0x1b0/0x1b0 [ 527.595895] ? vfs_write+0x393/0x540 [ 527.599608] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 527.604966] ? trace_hardirqs_off_caller+0x6e/0x210 [ 527.609976] ? do_syscall_64+0x21/0x620 [ 527.614029] do_syscall_64+0xf9/0x620 [ 527.617824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 527.623001] RIP: 0033:0x7ff970b3e279 [ 527.626720] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 527.645628] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 527.653324] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 527.660584] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 527.667859] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 527.675136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 527.682400] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:54 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:54 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:54 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 39) [ 527.713298] UDF-fs: Scanning with blocksize 4096 failed [ 527.725240] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 527.739975] UDF-fs: Scanning with blocksize 4096 failed [ 527.751927] nbd: failed to add new device 01:09:54 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 527.900041] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 527.908488] FAULT_INJECTION: forcing a failure. [ 527.908488] name failslab, interval 1, probability 0, space 0, times 0 [ 527.946227] CPU: 0 PID: 31717 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 527.954139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 527.957424] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 527.963493] Call Trace: [ 527.963535] dump_stack+0x1fc/0x2ef [ 527.963554] should_fail.cold+0xa/0xf [ 527.963571] ? setup_fault_attr+0x200/0x200 [ 527.963584] ? mutex_trylock+0x1a0/0x1a0 [ 527.963602] __should_failslab+0x115/0x180 [ 527.963620] should_failslab+0x5/0x10 [ 527.963632] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 527.963650] __kmalloc_node+0x38/0x70 [ 527.970559] UDF-fs: Scanning with blocksize 512 failed [ 527.972890] blk_mq_realloc_hw_ctxs+0x1d8/0x1000 [ 527.972912] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 527.972935] blk_mq_init_allocated_queue+0x20c/0x1300 [ 528.025889] ? blkcg_init_queue+0x1fd/0x540 [ 528.030208] blk_mq_init_queue+0x5c/0xa0 [ 528.034258] nbd_dev_add+0x2b9/0x890 [ 528.037975] nbd_genl_connect+0x488/0x1630 [ 528.042202] ? nbd_xmit_timeout+0x730/0x730 [ 528.046510] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 528.051688] ? validate_nla+0x270/0x820 [ 528.055654] ? nla_parse+0x1b2/0x290 [ 528.059358] genl_family_rcv_msg+0x642/0xc40 [ 528.063758] ? genl_rcv+0x40/0x40 [ 528.067193] ? genl_rcv_msg+0x12f/0x160 [ 528.071157] ? mutex_trylock+0x1a0/0x1a0 [ 528.075210] ? __radix_tree_lookup+0x216/0x370 [ 528.079781] genl_rcv_msg+0xbf/0x160 [ 528.083485] netlink_rcv_skb+0x160/0x440 [ 528.087532] ? genl_family_rcv_msg+0xc40/0xc40 [ 528.092105] ? netlink_ack+0xae0/0xae0 [ 528.095982] ? genl_rcv+0x15/0x40 [ 528.099427] genl_rcv+0x24/0x40 [ 528.102697] netlink_unicast+0x4d5/0x690 [ 528.106751] ? netlink_sendskb+0x110/0x110 [ 528.110975] ? _copy_from_iter_full+0x229/0x7c0 [ 528.115629] ? __phys_addr_symbol+0x2c/0x70 [ 528.119940] ? __check_object_size+0x17b/0x3e0 [ 528.124517] netlink_sendmsg+0x6c3/0xc50 [ 528.128668] ? aa_af_perm+0x230/0x230 [ 528.132456] ? nlmsg_notify+0x1f0/0x1f0 [ 528.136414] ? kernel_recvmsg+0x220/0x220 [ 528.140643] ? nlmsg_notify+0x1f0/0x1f0 [ 528.144620] sock_sendmsg+0xc3/0x120 [ 528.148332] ___sys_sendmsg+0x7bb/0x8e0 [ 528.152295] ? check_preemption_disabled+0x41/0x280 [ 528.157296] ? copy_msghdr_from_user+0x440/0x440 [ 528.162039] ? __fget+0x32f/0x510 [ 528.165485] ? lock_downgrade+0x720/0x720 [ 528.169621] ? check_preemption_disabled+0x41/0x280 [ 528.174626] ? check_preemption_disabled+0x41/0x280 [ 528.179629] ? __fget+0x356/0x510 [ 528.183068] ? do_dup2+0x450/0x450 [ 528.186599] ? lock_downgrade+0x720/0x720 [ 528.190731] ? vfs_write+0x3d7/0x540 [ 528.194435] ? __fdget+0x1d0/0x230 [ 528.197977] __x64_sys_sendmsg+0x132/0x220 [ 528.202195] ? __sys_sendmsg+0x1b0/0x1b0 [ 528.206240] ? vfs_write+0x393/0x540 [ 528.209945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 528.215296] ? trace_hardirqs_off_caller+0x6e/0x210 [ 528.220295] ? do_syscall_64+0x21/0x620 [ 528.224256] do_syscall_64+0xf9/0x620 [ 528.228048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.233234] RIP: 0033:0x7ff970b3e279 [ 528.236944] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 528.255832] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 528.263529] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 528.270786] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 528.278044] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 528.285298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:09:54 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 528.292550] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 528.306529] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 528.314825] UDF-fs: Scanning with blocksize 1024 failed [ 528.315597] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 528.332979] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 528.343545] UDF-fs: Scanning with blocksize 512 failed [ 528.351764] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 528.354090] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 528.368423] UDF-fs: Scanning with blocksize 512 failed [ 528.376278] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 528.382466] UDF-fs: Scanning with blocksize 2048 failed [ 528.390934] UDF-fs: Scanning with blocksize 1024 failed [ 528.396544] UDF-fs: Scanning with blocksize 512 failed [ 528.404863] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 528.412228] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 528.420689] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 528.426354] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 528.432437] UDF-fs: Scanning with blocksize 1024 failed [ 528.440431] UDF-fs: Scanning with blocksize 2048 failed [ 528.443398] UDF-fs: Scanning with blocksize 1024 failed [ 528.453228] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 528.461930] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 528.464821] UDF-fs: Scanning with blocksize 4096 failed [ 528.470874] UDF-fs: Scanning with blocksize 4096 failed [ 528.480762] UDF-fs: Scanning with blocksize 2048 failed [ 528.487180] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:54 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 40) [ 528.494809] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 528.495040] UDF-fs: Scanning with blocksize 4096 failed [ 528.507726] UDF-fs: Scanning with blocksize 2048 failed [ 528.510585] nbd: failed to add new device [ 528.517972] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 528.530678] UDF-fs: Scanning with blocksize 4096 failed [ 528.596609] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 528.605381] FAULT_INJECTION: forcing a failure. [ 528.605381] name failslab, interval 1, probability 0, space 0, times 0 [ 528.617125] CPU: 0 PID: 31747 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 528.625010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 528.634350] Call Trace: [ 528.636982] dump_stack+0x1fc/0x2ef [ 528.640616] should_fail.cold+0xa/0xf [ 528.644415] ? setup_fault_attr+0x200/0x200 [ 528.648738] ? __debug_object_init+0x410/0x9b0 [ 528.653326] __should_failslab+0x115/0x180 [ 528.657551] should_failslab+0x5/0x10 [ 528.661346] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 528.666446] __kmalloc_node+0x38/0x70 [ 528.670236] blk_mq_realloc_hw_ctxs+0x568/0x1000 [ 528.675004] blk_mq_init_allocated_queue+0x20c/0x1300 [ 528.680184] ? blkcg_init_queue+0x1fd/0x540 [ 528.684505] blk_mq_init_queue+0x5c/0xa0 [ 528.688571] nbd_dev_add+0x2b9/0x890 [ 528.692282] nbd_genl_connect+0x488/0x1630 [ 528.696516] ? nbd_xmit_timeout+0x730/0x730 [ 528.700843] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 528.706025] ? validate_nla+0x270/0x820 [ 528.709988] ? nla_parse+0x1b2/0x290 [ 528.713706] genl_family_rcv_msg+0x642/0xc40 [ 528.718129] ? genl_rcv+0x40/0x40 [ 528.721583] ? genl_rcv_msg+0x12f/0x160 [ 528.725550] ? mutex_trylock+0x1a0/0x1a0 [ 528.729617] ? __radix_tree_lookup+0x216/0x370 [ 528.734194] genl_rcv_msg+0xbf/0x160 [ 528.737895] netlink_rcv_skb+0x160/0x440 [ 528.741951] ? genl_family_rcv_msg+0xc40/0xc40 [ 528.746535] ? netlink_ack+0xae0/0xae0 [ 528.750416] ? genl_rcv+0x15/0x40 [ 528.753865] genl_rcv+0x24/0x40 [ 528.757159] netlink_unicast+0x4d5/0x690 [ 528.761222] ? netlink_sendskb+0x110/0x110 [ 528.765479] ? _copy_from_iter_full+0x229/0x7c0 [ 528.770152] ? __phys_addr_symbol+0x2c/0x70 [ 528.774477] ? __check_object_size+0x17b/0x3e0 [ 528.779075] netlink_sendmsg+0x6c3/0xc50 [ 528.783154] ? aa_af_perm+0x230/0x230 [ 528.786959] ? nlmsg_notify+0x1f0/0x1f0 [ 528.790932] ? kernel_recvmsg+0x220/0x220 [ 528.795077] ? nlmsg_notify+0x1f0/0x1f0 [ 528.799059] sock_sendmsg+0xc3/0x120 [ 528.802775] ___sys_sendmsg+0x7bb/0x8e0 [ 528.806847] ? check_preemption_disabled+0x41/0x280 [ 528.811858] ? copy_msghdr_from_user+0x440/0x440 [ 528.816704] ? __fget+0x32f/0x510 [ 528.820164] ? lock_downgrade+0x720/0x720 [ 528.824305] ? check_preemption_disabled+0x41/0x280 [ 528.829321] ? check_preemption_disabled+0x41/0x280 [ 528.834343] ? __fget+0x356/0x510 [ 528.837790] ? do_dup2+0x450/0x450 [ 528.841319] ? lock_downgrade+0x720/0x720 [ 528.845471] ? vfs_write+0x3d7/0x540 [ 528.849191] ? __fdget+0x1d0/0x230 [ 528.852725] __x64_sys_sendmsg+0x132/0x220 [ 528.856951] ? __sys_sendmsg+0x1b0/0x1b0 [ 528.861013] ? vfs_write+0x393/0x540 [ 528.864722] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 528.870076] ? trace_hardirqs_off_caller+0x6e/0x210 [ 528.875085] ? do_syscall_64+0x21/0x620 [ 528.879057] do_syscall_64+0xf9/0x620 [ 528.882865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.888044] RIP: 0033:0x7ff970b3e279 [ 528.891740] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 528.910635] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 528.918343] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 528.925603] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 528.932864] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 528.940129] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:09:55 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 41) [ 528.947388] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 528.961804] nbd: failed to add new device [ 529.044022] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 529.053345] FAULT_INJECTION: forcing a failure. [ 529.053345] name failslab, interval 1, probability 0, space 0, times 0 [ 529.065196] CPU: 1 PID: 31751 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 529.073088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 529.082442] Call Trace: [ 529.085046] dump_stack+0x1fc/0x2ef [ 529.088687] should_fail.cold+0xa/0xf [ 529.092498] ? should_fail+0x142/0x7b0 [ 529.096398] ? setup_fault_attr+0x200/0x200 [ 529.100731] __should_failslab+0x115/0x180 [ 529.104982] should_failslab+0x5/0x10 [ 529.108792] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 529.113910] blk_alloc_flush_queue+0x76/0x300 [ 529.118417] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 529.123194] blk_mq_init_allocated_queue+0x20c/0x1300 [ 529.128386] ? blkcg_init_queue+0x1fd/0x540 [ 529.132720] blk_mq_init_queue+0x5c/0xa0 [ 529.136789] nbd_dev_add+0x2b9/0x890 [ 529.140521] nbd_genl_connect+0x488/0x1630 [ 529.144771] ? nbd_xmit_timeout+0x730/0x730 [ 529.149124] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 529.154329] ? validate_nla+0x270/0x820 [ 529.158314] ? nla_parse+0x1b2/0x290 [ 529.162042] genl_family_rcv_msg+0x642/0xc40 [ 529.166457] ? genl_rcv+0x40/0x40 [ 529.169909] ? genl_rcv_msg+0x12f/0x160 [ 529.173877] ? mutex_trylock+0x1a0/0x1a0 [ 529.177922] ? __radix_tree_lookup+0x216/0x370 [ 529.182499] genl_rcv_msg+0xbf/0x160 [ 529.186205] netlink_rcv_skb+0x160/0x440 [ 529.190254] ? genl_family_rcv_msg+0xc40/0xc40 [ 529.194851] ? netlink_ack+0xae0/0xae0 [ 529.198723] ? genl_rcv+0x15/0x40 [ 529.202160] genl_rcv+0x24/0x40 [ 529.205427] netlink_unicast+0x4d5/0x690 [ 529.209494] ? netlink_sendskb+0x110/0x110 [ 529.213757] ? _copy_from_iter_full+0x229/0x7c0 [ 529.218406] ? __phys_addr_symbol+0x2c/0x70 [ 529.222710] ? __check_object_size+0x17b/0x3e0 [ 529.227275] netlink_sendmsg+0x6c3/0xc50 [ 529.231330] ? aa_af_perm+0x230/0x230 [ 529.235110] ? nlmsg_notify+0x1f0/0x1f0 [ 529.239074] ? kernel_recvmsg+0x220/0x220 [ 529.243223] ? nlmsg_notify+0x1f0/0x1f0 [ 529.247191] sock_sendmsg+0xc3/0x120 [ 529.250887] ___sys_sendmsg+0x7bb/0x8e0 [ 529.254844] ? check_preemption_disabled+0x41/0x280 [ 529.259839] ? copy_msghdr_from_user+0x440/0x440 [ 529.264575] ? __fget+0x32f/0x510 [ 529.268016] ? lock_downgrade+0x720/0x720 [ 529.272159] ? check_preemption_disabled+0x41/0x280 [ 529.277157] ? check_preemption_disabled+0x41/0x280 [ 529.282157] ? __fget+0x356/0x510 [ 529.285593] ? do_dup2+0x450/0x450 [ 529.289112] ? lock_downgrade+0x720/0x720 [ 529.293240] ? vfs_write+0x3d7/0x540 [ 529.296935] ? __fdget+0x1d0/0x230 [ 529.300471] __x64_sys_sendmsg+0x132/0x220 [ 529.304693] ? __sys_sendmsg+0x1b0/0x1b0 [ 529.308748] ? vfs_write+0x393/0x540 [ 529.312447] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 529.317789] ? trace_hardirqs_off_caller+0x6e/0x210 [ 529.322792] ? do_syscall_64+0x21/0x620 [ 529.326747] do_syscall_64+0xf9/0x620 [ 529.330533] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.335703] RIP: 0033:0x7ff970b3e279 [ 529.339421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 529.358409] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 529.366100] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 529.373360] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 529.380635] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 529.387891] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 529.395159] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 529.403690] nbd: failed to add new device 01:09:56 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 01:09:56 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:56 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:56 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:56 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR0', 0x5, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:56 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 42) [ 530.046617] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 530.055193] UDF-fs: Scanning with blocksize 512 failed [ 530.063336] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 530.066392] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 530.071627] UDF-fs: Scanning with blocksize 1024 failed [ 530.089501] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 530.094031] FAULT_INJECTION: forcing a failure. [ 530.094031] name failslab, interval 1, probability 0, space 0, times 0 [ 530.096367] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 530.118922] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 530.126882] UDF-fs: Scanning with blocksize 512 failed [ 530.135742] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 530.144248] UDF-fs: Scanning with blocksize 512 failed [ 530.179283] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 530.189768] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 530.191526] CPU: 1 PID: 31769 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 530.196608] UDF-fs: Scanning with blocksize 2048 failed [ 530.204331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 530.204337] Call Trace: [ 530.204358] dump_stack+0x1fc/0x2ef [ 530.204378] should_fail.cold+0xa/0xf [ 530.204396] ? setup_fault_attr+0x200/0x200 [ 530.204408] ? should_fail+0x142/0x7b0 [ 530.204427] __should_failslab+0x115/0x180 [ 530.204443] should_failslab+0x5/0x10 [ 530.204457] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 530.204473] __kmalloc_node+0x38/0x70 [ 530.219771] UDF-fs: Scanning with blocksize 512 failed [ 530.221742] blk_alloc_flush_queue+0x120/0x300 [ 530.221764] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 530.221791] blk_mq_init_allocated_queue+0x20c/0x1300 [ 530.221807] ? blkcg_init_queue+0x1fd/0x540 [ 530.225549] UDF-fs: Scanning with blocksize 1024 failed [ 530.229219] blk_mq_init_queue+0x5c/0xa0 [ 530.229239] nbd_dev_add+0x2b9/0x890 [ 530.229258] nbd_genl_connect+0x488/0x1630 [ 530.229277] ? nbd_xmit_timeout+0x730/0x730 [ 530.229293] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 530.229311] ? validate_nla+0x270/0x820 [ 530.238968] UDF-fs: Scanning with blocksize 1024 failed [ 530.241720] ? nla_parse+0x1b2/0x290 [ 530.241743] genl_family_rcv_msg+0x642/0xc40 [ 530.241762] ? genl_rcv+0x40/0x40 [ 530.241773] ? genl_rcv_msg+0x12f/0x160 [ 530.241785] ? mutex_trylock+0x1a0/0x1a0 [ 530.241806] ? __radix_tree_lookup+0x216/0x370 [ 530.338542] genl_rcv_msg+0xbf/0x160 [ 530.342248] netlink_rcv_skb+0x160/0x440 [ 530.346297] ? genl_family_rcv_msg+0xc40/0xc40 [ 530.350867] ? netlink_ack+0xae0/0xae0 [ 530.354747] ? genl_rcv+0x15/0x40 [ 530.358193] genl_rcv+0x24/0x40 [ 530.361461] netlink_unicast+0x4d5/0x690 [ 530.365525] ? netlink_sendskb+0x110/0x110 [ 530.369763] ? _copy_from_iter_full+0x229/0x7c0 [ 530.374430] ? __phys_addr_symbol+0x2c/0x70 [ 530.378827] ? __check_object_size+0x17b/0x3e0 [ 530.383409] netlink_sendmsg+0x6c3/0xc50 [ 530.387550] ? aa_af_perm+0x230/0x230 [ 530.391337] ? nlmsg_notify+0x1f0/0x1f0 [ 530.395294] ? kernel_recvmsg+0x220/0x220 [ 530.399434] ? nlmsg_notify+0x1f0/0x1f0 [ 530.403669] sock_sendmsg+0xc3/0x120 [ 530.407370] ___sys_sendmsg+0x7bb/0x8e0 [ 530.411352] ? check_preemption_disabled+0x41/0x280 [ 530.416356] ? copy_msghdr_from_user+0x440/0x440 [ 530.421101] ? __fget+0x32f/0x510 [ 530.424549] ? lock_downgrade+0x720/0x720 [ 530.428684] ? check_preemption_disabled+0x41/0x280 [ 530.433701] ? check_preemption_disabled+0x41/0x280 [ 530.438723] ? __fget+0x356/0x510 [ 530.442164] ? do_dup2+0x450/0x450 [ 530.445707] ? lock_downgrade+0x720/0x720 [ 530.449848] ? vfs_write+0x3d7/0x540 [ 530.453551] ? __fdget+0x1d0/0x230 [ 530.457090] __x64_sys_sendmsg+0x132/0x220 [ 530.461314] ? __sys_sendmsg+0x1b0/0x1b0 [ 530.465359] ? vfs_write+0x393/0x540 [ 530.469069] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 530.474423] ? trace_hardirqs_off_caller+0x6e/0x210 [ 530.479429] ? do_syscall_64+0x21/0x620 [ 530.483397] do_syscall_64+0xf9/0x620 [ 530.487192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 530.492368] RIP: 0033:0x7ff970b3e279 [ 530.496072] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 530.514966] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 530.522696] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 530.529955] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 530.537217] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 530.544477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 530.551771] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:56 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 530.582801] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 530.587590] nbd: failed to add new device [ 530.594290] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 530.606876] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 530.612105] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 530.621458] UDF-fs: Scanning with blocksize 1024 failed 01:09:56 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 43) [ 530.629755] UDF-fs: Scanning with blocksize 2048 failed [ 530.649811] UDF-fs: Scanning with blocksize 4096 failed [ 530.666503] UDF-fs: Scanning with blocksize 2048 failed [ 530.667515] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found 01:09:57 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 530.681199] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 530.695782] UDF-fs: Scanning with blocksize 4096 failed [ 530.706548] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 530.707521] UDF-fs: Scanning with blocksize 2048 failed [ 530.720880] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 530.748836] UDF-fs: Scanning with blocksize 4096 failed [ 530.750340] FAULT_INJECTION: forcing a failure. [ 530.750340] name failslab, interval 1, probability 0, space 0, times 0 [ 530.767597] CPU: 0 PID: 31792 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 530.775493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 530.784847] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 530.784857] UDF-fs: Scanning with blocksize 4096 failed [ 530.791520] Call Trace: [ 530.791544] dump_stack+0x1fc/0x2ef [ 530.791564] should_fail.cold+0xa/0xf [ 530.791581] ? setup_fault_attr+0x200/0x200 [ 530.791594] ? should_fail+0x142/0x7b0 [ 530.791615] __should_failslab+0x115/0x180 [ 530.791631] should_failslab+0x5/0x10 [ 530.791647] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 530.791664] __kmalloc_node+0x38/0x70 [ 530.791678] blk_alloc_flush_queue+0x120/0x300 [ 530.791696] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 530.841376] blk_mq_init_allocated_queue+0x20c/0x1300 [ 530.846570] ? blkcg_init_queue+0x1fd/0x540 [ 530.850979] blk_mq_init_queue+0x5c/0xa0 [ 530.855043] nbd_dev_add+0x2b9/0x890 [ 530.858761] nbd_genl_connect+0x488/0x1630 [ 530.863008] ? nbd_xmit_timeout+0x730/0x730 [ 530.867427] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 530.872618] ? validate_nla+0x270/0x820 [ 530.876598] ? nla_parse+0x1b2/0x290 [ 530.880328] genl_family_rcv_msg+0x642/0xc40 [ 530.884758] ? genl_rcv+0x40/0x40 [ 530.888202] ? genl_rcv_msg+0x12f/0x160 [ 530.892159] ? mutex_trylock+0x1a0/0x1a0 [ 530.896208] ? __radix_tree_lookup+0x216/0x370 [ 530.900793] genl_rcv_msg+0xbf/0x160 [ 530.904501] netlink_rcv_skb+0x160/0x440 [ 530.908549] ? genl_family_rcv_msg+0xc40/0xc40 [ 530.913113] ? netlink_ack+0xae0/0xae0 [ 530.916986] ? genl_rcv+0x15/0x40 [ 530.920439] genl_rcv+0x24/0x40 [ 530.923711] netlink_unicast+0x4d5/0x690 [ 530.927758] ? netlink_sendskb+0x110/0x110 [ 530.931974] ? _copy_from_iter_full+0x229/0x7c0 [ 530.936626] ? __phys_addr_symbol+0x2c/0x70 [ 530.940941] ? __check_object_size+0x17b/0x3e0 [ 530.945516] netlink_sendmsg+0x6c3/0xc50 [ 530.949569] ? aa_af_perm+0x230/0x230 [ 530.953353] ? nlmsg_notify+0x1f0/0x1f0 [ 530.957311] ? kernel_recvmsg+0x220/0x220 [ 530.961463] ? nlmsg_notify+0x1f0/0x1f0 [ 530.965432] sock_sendmsg+0xc3/0x120 [ 530.969129] ___sys_sendmsg+0x7bb/0x8e0 [ 530.973090] ? check_preemption_disabled+0x41/0x280 [ 530.978088] ? copy_msghdr_from_user+0x440/0x440 [ 530.982842] ? __fget+0x32f/0x510 [ 530.986295] ? lock_downgrade+0x720/0x720 [ 530.990463] ? check_preemption_disabled+0x41/0x280 [ 530.995461] ? check_preemption_disabled+0x41/0x280 [ 531.000474] ? __fget+0x356/0x510 [ 531.003918] ? do_dup2+0x450/0x450 [ 531.007443] ? lock_downgrade+0x720/0x720 [ 531.011573] ? vfs_write+0x3d7/0x540 [ 531.015272] ? __fdget+0x1d0/0x230 [ 531.018810] __x64_sys_sendmsg+0x132/0x220 [ 531.023047] ? __sys_sendmsg+0x1b0/0x1b0 [ 531.027096] ? vfs_write+0x393/0x540 [ 531.030820] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 531.036179] ? trace_hardirqs_off_caller+0x6e/0x210 [ 531.041194] ? do_syscall_64+0x21/0x620 [ 531.045163] do_syscall_64+0xf9/0x620 [ 531.048953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.054131] RIP: 0033:0x7ff970b3e279 [ 531.057845] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 531.076736] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 531.084428] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 531.091689] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 01:09:57 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)) (async) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) [ 531.098956] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 531.106222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 531.113475] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:57 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:57 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 44) [ 531.145183] nbd: failed to add new device 01:09:57 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BE', 0x3, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="0a010300ed000100c6e7d0016000000000000000040000000100000400000000000003000000000000000000a53c000002000000000000000801000000000000080100000000000000000000000000000010e4070913122c1643092d0010e4070913122c170936350010e4070913122c1643092d0010e4070913122c1709363501000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e75782055444646530000000000000000000000040500000000000000000000000000000000000008010000010103008500010033d418006000000001000a0000020000600000000000000000000000000000000101030087000100e81d1c0060000000010002060002000061000000000000001000000000000866696c6530010103009e0001001ffd1c0060000000010000060002000067000000000000001300000000000866696c6531010103000900010097f01c0060000000010000060002000068000000000000001400000000000866696c65320101030028000100c3e31c0060000000010000060002000068000000000000001500000000000866696c653301010300e4000100b7a72000600000000100000a000200007b000000000000001600000000000866696c652e636f6c64", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 531.208409] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 531.223048] UDF-fs: Scanning with blocksize 512 failed [ 531.229886] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 531.236624] UDF-fs: Scanning with blocksize 1024 failed [ 531.245567] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 531.252771] UDF-fs: Scanning with blocksize 2048 failed 01:09:57 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 531.258939] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 531.265610] UDF-fs: Scanning with blocksize 4096 failed [ 531.339861] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 531.348467] FAULT_INJECTION: forcing a failure. [ 531.348467] name failslab, interval 1, probability 0, space 0, times 0 [ 531.360677] CPU: 0 PID: 31817 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 531.368565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 531.377913] Call Trace: [ 531.380516] dump_stack+0x1fc/0x2ef [ 531.384186] should_fail.cold+0xa/0xf [ 531.387998] ? setup_fault_attr+0x200/0x200 [ 531.392321] ? lock_acquire+0x170/0x3c0 [ 531.396309] __should_failslab+0x115/0x180 [ 531.400553] should_failslab+0x5/0x10 [ 531.404360] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 531.409469] blk_mq_init_tags+0x6a/0x2b0 [ 531.413542] blk_mq_alloc_rq_map+0x9d/0x230 [ 531.417896] ? elevator_get+0x29/0x170 [ 531.421791] blk_mq_init_sched+0x219/0x730 [ 531.426036] elevator_init_mq+0xf0/0x180 [ 531.430110] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 531.435320] blk_mq_init_queue+0x5c/0xa0 [ 531.439395] nbd_dev_add+0x2b9/0x890 [ 531.443113] nbd_genl_connect+0x488/0x1630 [ 531.447362] ? nbd_xmit_timeout+0x730/0x730 [ 531.451687] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 531.456882] ? validate_nla+0x270/0x820 [ 531.460869] ? nla_parse+0x1b2/0x290 [ 531.464592] genl_family_rcv_msg+0x642/0xc40 [ 531.469014] ? genl_rcv+0x40/0x40 [ 531.472471] ? genl_rcv_msg+0x12f/0x160 [ 531.476456] ? mutex_trylock+0x1a0/0x1a0 [ 531.480532] ? __radix_tree_lookup+0x216/0x370 [ 531.485126] genl_rcv_msg+0xbf/0x160 [ 531.488856] netlink_rcv_skb+0x160/0x440 [ 531.492929] ? genl_family_rcv_msg+0xc40/0xc40 [ 531.497521] ? netlink_ack+0xae0/0xae0 [ 531.501417] ? genl_rcv+0x15/0x40 [ 531.504876] genl_rcv+0x24/0x40 [ 531.508172] netlink_unicast+0x4d5/0x690 [ 531.512252] ? netlink_sendskb+0x110/0x110 [ 531.516758] ? _copy_from_iter_full+0x229/0x7c0 [ 531.521431] ? __phys_addr_symbol+0x2c/0x70 [ 531.525761] ? __check_object_size+0x17b/0x3e0 [ 531.530358] netlink_sendmsg+0x6c3/0xc50 [ 531.534433] ? aa_af_perm+0x230/0x230 [ 531.538238] ? nlmsg_notify+0x1f0/0x1f0 [ 531.542212] ? kernel_recvmsg+0x220/0x220 [ 531.546381] ? nlmsg_notify+0x1f0/0x1f0 [ 531.550362] sock_sendmsg+0xc3/0x120 [ 531.554085] ___sys_sendmsg+0x7bb/0x8e0 [ 531.558068] ? check_preemption_disabled+0x41/0x280 [ 531.563084] ? copy_msghdr_from_user+0x440/0x440 [ 531.567847] ? __fget+0x32f/0x510 [ 531.571394] ? lock_downgrade+0x720/0x720 [ 531.575549] ? check_preemption_disabled+0x41/0x280 [ 531.580573] ? check_preemption_disabled+0x41/0x280 [ 531.585593] ? __fget+0x356/0x510 [ 531.589045] ? do_dup2+0x450/0x450 [ 531.592589] ? lock_downgrade+0x720/0x720 [ 531.596739] ? vfs_write+0x3d7/0x540 [ 531.600456] ? __fdget+0x1d0/0x230 [ 531.604004] __x64_sys_sendmsg+0x132/0x220 [ 531.608241] ? __sys_sendmsg+0x1b0/0x1b0 [ 531.612303] ? vfs_write+0x393/0x540 [ 531.616031] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 531.621398] ? trace_hardirqs_off_caller+0x6e/0x210 [ 531.626418] ? do_syscall_64+0x21/0x620 [ 531.630394] do_syscall_64+0xf9/0x620 [ 531.634210] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 531.639399] RIP: 0033:0x7ff970b3e279 [ 531.643114] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 531.662018] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 531.669729] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 531.676999] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 531.684266] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 531.691536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 531.698812] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:09:58 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 531.749496] nbd: failed to add new device 01:09:58 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 45) [ 531.773549] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 531.786063] UDF-fs: Scanning with blocksize 512 failed [ 531.797643] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 531.814401] UDF-fs: Scanning with blocksize 512 failed [ 531.825237] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 531.833645] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 531.845048] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 531.851558] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 531.855506] UDF-fs: Scanning with blocksize 512 failed [ 531.861591] UDF-fs: Scanning with blocksize 1024 failed [ 531.872060] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 531.882064] UDF-fs: Scanning with blocksize 1024 failed [ 531.883529] UDF-fs: Scanning with blocksize 1024 failed [ 531.898612] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 531.905865] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 531.905873] UDF-fs: Scanning with blocksize 2048 failed [ 531.906084] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 531.906091] UDF-fs: Scanning with blocksize 4096 failed [ 531.907309] FAULT_INJECTION: forcing a failure. [ 531.907309] name failslab, interval 1, probability 0, space 0, times 0 [ 531.944960] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 531.947624] UDF-fs: Scanning with blocksize 512 failed [ 531.957799] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 531.964689] UDF-fs: Scanning with blocksize 2048 failed [ 531.970765] UDF-fs: Scanning with blocksize 2048 failed [ 531.976588] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 531.984775] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 531.992135] UDF-fs: Scanning with blocksize 4096 failed [ 531.998330] UDF-fs: Scanning with blocksize 4096 failed [ 532.003953] CPU: 1 PID: 31833 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 532.003959] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 532.003969] UDF-fs: Scanning with blocksize 1024 failed [ 532.011829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 532.011834] Call Trace: [ 532.011856] dump_stack+0x1fc/0x2ef [ 532.011876] should_fail.cold+0xa/0xf [ 532.011896] ? setup_fault_attr+0x200/0x200 [ 532.011911] ? lock_acquire+0x170/0x3c0 [ 532.011932] __should_failslab+0x115/0x180 [ 532.011948] should_failslab+0x5/0x10 [ 532.011962] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 532.011978] sbitmap_queue_init_node+0x240/0x6c0 [ 532.011999] blk_mq_init_tags+0x16f/0x2b0 [ 532.012018] blk_mq_alloc_rq_map+0x9d/0x230 [ 532.012029] ? elevator_get+0x29/0x170 [ 532.012044] blk_mq_init_sched+0x219/0x730 [ 532.012067] elevator_init_mq+0xf0/0x180 [ 532.012082] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 532.012107] blk_mq_init_queue+0x5c/0xa0 [ 532.012124] nbd_dev_add+0x2b9/0x890 [ 532.012142] nbd_genl_connect+0x488/0x1630 [ 532.012162] ? nbd_xmit_timeout+0x730/0x730 [ 532.012179] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 532.012196] ? validate_nla+0x270/0x820 [ 532.012215] ? nla_parse+0x1b2/0x290 [ 532.012235] genl_family_rcv_msg+0x642/0xc40 [ 532.012254] ? genl_rcv+0x40/0x40 [ 532.012271] ? genl_rcv_msg+0x12f/0x160 [ 532.012286] ? mutex_trylock+0x1a0/0x1a0 [ 532.012310] ? __radix_tree_lookup+0x216/0x370 [ 532.012332] genl_rcv_msg+0xbf/0x160 [ 532.012349] netlink_rcv_skb+0x160/0x440 [ 532.012364] ? genl_family_rcv_msg+0xc40/0xc40 [ 532.012379] ? netlink_ack+0xae0/0xae0 [ 532.012396] ? genl_rcv+0x15/0x40 [ 532.012418] genl_rcv+0x24/0x40 [ 532.012431] netlink_unicast+0x4d5/0x690 [ 532.012449] ? netlink_sendskb+0x110/0x110 [ 532.012462] ? _copy_from_iter_full+0x229/0x7c0 [ 532.012477] ? __phys_addr_symbol+0x2c/0x70 [ 532.012493] ? __check_object_size+0x17b/0x3e0 [ 532.012511] netlink_sendmsg+0x6c3/0xc50 [ 532.012529] ? aa_af_perm+0x230/0x230 [ 532.012543] ? nlmsg_notify+0x1f0/0x1f0 [ 532.012554] ? kernel_recvmsg+0x220/0x220 [ 532.012575] ? nlmsg_notify+0x1f0/0x1f0 [ 532.012591] sock_sendmsg+0xc3/0x120 [ 532.012605] ___sys_sendmsg+0x7bb/0x8e0 [ 532.012624] ? check_preemption_disabled+0x41/0x280 [ 532.012637] ? copy_msghdr_from_user+0x440/0x440 [ 532.012653] ? __fget+0x32f/0x510 [ 532.012672] ? lock_downgrade+0x720/0x720 [ 532.012687] ? check_preemption_disabled+0x41/0x280 [ 532.012704] ? check_preemption_disabled+0x41/0x280 [ 532.012723] ? __fget+0x356/0x510 [ 532.012739] ? do_dup2+0x450/0x450 [ 532.012752] ? lock_downgrade+0x720/0x720 [ 532.012767] ? vfs_write+0x3d7/0x540 [ 532.012785] ? __fdget+0x1d0/0x230 [ 532.012803] __x64_sys_sendmsg+0x132/0x220 [ 532.012817] ? __sys_sendmsg+0x1b0/0x1b0 [ 532.012829] ? vfs_write+0x393/0x540 [ 532.012855] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 532.012871] ? trace_hardirqs_off_caller+0x6e/0x210 [ 532.012885] ? do_syscall_64+0x21/0x620 [ 532.012902] do_syscall_64+0xf9/0x620 [ 532.012920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 532.012932] RIP: 0033:0x7ff970b3e279 [ 532.012946] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 532.012953] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 532.012966] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 532.012974] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 532.012982] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 532.012990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 532.012999] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 532.013721] nbd: failed to add new device 01:09:58 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BE', 0x3, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:09:58 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 46) [ 532.127381] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:09:58 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:58 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 532.441029] UDF-fs: Scanning with blocksize 2048 failed [ 532.445949] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 532.454504] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 532.488669] UDF-fs: Scanning with blocksize 4096 failed [ 532.490016] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 532.494753] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 532.508378] UDF-fs: Scanning with blocksize 512 failed [ 532.514444] UDF-fs: Scanning with blocksize 512 failed [ 532.515154] FAULT_INJECTION: forcing a failure. [ 532.515154] name failslab, interval 1, probability 0, space 0, times 0 [ 532.540893] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 532.541412] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 532.566755] UDF-fs: Scanning with blocksize 1024 failed [ 532.569450] CPU: 0 PID: 31848 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 532.580015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 532.589718] Call Trace: [ 532.592317] dump_stack+0x1fc/0x2ef [ 532.595950] should_fail.cold+0xa/0xf [ 532.599746] ? setup_fault_attr+0x200/0x200 [ 532.604055] ? lock_acquire+0x170/0x3c0 [ 532.608022] __should_failslab+0x115/0x180 [ 532.612250] should_failslab+0x5/0x10 [ 532.616046] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 532.621156] sbitmap_queue_init_node+0x240/0x6c0 [ 532.625911] blk_mq_init_tags+0x16f/0x2b0 [ 532.630059] blk_mq_alloc_rq_map+0x9d/0x230 [ 532.634383] ? elevator_get+0x29/0x170 [ 532.638265] blk_mq_init_sched+0x219/0x730 [ 532.642524] elevator_init_mq+0xf0/0x180 [ 532.646583] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 532.651795] blk_mq_init_queue+0x5c/0xa0 [ 532.655854] nbd_dev_add+0x2b9/0x890 [ 532.659580] nbd_genl_connect+0x488/0x1630 [ 532.663809] ? nbd_xmit_timeout+0x730/0x730 [ 532.668127] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 532.673317] ? validate_nla+0x270/0x820 [ 532.677296] ? nla_parse+0x1b2/0x290 [ 532.681001] genl_family_rcv_msg+0x642/0xc40 [ 532.685418] ? genl_rcv+0x40/0x40 [ 532.688860] ? genl_rcv_msg+0x12f/0x160 [ 532.692996] ? mutex_trylock+0x1a0/0x1a0 [ 532.697053] ? __radix_tree_lookup+0x216/0x370 [ 532.701628] genl_rcv_msg+0xbf/0x160 [ 532.705330] netlink_rcv_skb+0x160/0x440 [ 532.709378] ? genl_family_rcv_msg+0xc40/0xc40 [ 532.713948] ? netlink_ack+0xae0/0xae0 [ 532.717824] ? genl_rcv+0x15/0x40 [ 532.721279] genl_rcv+0x24/0x40 [ 532.724546] netlink_unicast+0x4d5/0x690 [ 532.728613] ? netlink_sendskb+0x110/0x110 [ 532.732842] ? _copy_from_iter_full+0x229/0x7c0 [ 532.737505] ? __phys_addr_symbol+0x2c/0x70 [ 532.741824] ? __check_object_size+0x17b/0x3e0 [ 532.746402] netlink_sendmsg+0x6c3/0xc50 [ 532.750456] ? aa_af_perm+0x230/0x230 [ 532.754261] ? nlmsg_notify+0x1f0/0x1f0 [ 532.758222] ? kernel_recvmsg+0x220/0x220 [ 532.762366] ? nlmsg_notify+0x1f0/0x1f0 [ 532.766331] sock_sendmsg+0xc3/0x120 [ 532.770032] ___sys_sendmsg+0x7bb/0x8e0 [ 532.774004] ? check_preemption_disabled+0x41/0x280 [ 532.779352] ? copy_msghdr_from_user+0x440/0x440 [ 532.784104] ? __fget+0x32f/0x510 [ 532.787551] ? lock_downgrade+0x720/0x720 [ 532.791704] ? check_preemption_disabled+0x41/0x280 [ 532.796708] ? check_preemption_disabled+0x41/0x280 [ 532.801718] ? __fget+0x356/0x510 [ 532.805163] ? do_dup2+0x450/0x450 [ 532.808691] ? lock_downgrade+0x720/0x720 [ 532.812827] ? vfs_write+0x3d7/0x540 [ 532.816538] ? __fdget+0x1d0/0x230 [ 532.820071] __x64_sys_sendmsg+0x132/0x220 [ 532.824309] ? __sys_sendmsg+0x1b0/0x1b0 [ 532.828357] ? vfs_write+0x393/0x540 [ 532.832075] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 532.837432] ? trace_hardirqs_off_caller+0x6e/0x210 [ 532.842438] ? do_syscall_64+0x21/0x620 [ 532.846407] do_syscall_64+0xf9/0x620 [ 532.850198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 532.855378] RIP: 0033:0x7ff970b3e279 [ 532.859078] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 532.877965] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 01:09:58 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 532.885682] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 532.892937] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 532.900193] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 532.907472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 532.914727] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 532.939102] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 532.957367] UDF-fs: Scanning with blocksize 1024 failed [ 532.974010] UDF-fs: Scanning with blocksize 512 failed [ 533.001486] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.021092] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.037444] UDF-fs: Scanning with blocksize 2048 failed [ 533.039895] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.064569] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.065803] UDF-fs: Scanning with blocksize 512 failed [ 533.083138] UDF-fs: Scanning with blocksize 4096 failed [ 533.085665] UDF-fs: Scanning with blocksize 1024 failed [ 533.101797] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.116834] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.128479] UDF-fs: Scanning with blocksize 1024 failed [ 533.142816] UDF-fs: Scanning with blocksize 2048 failed [ 533.150232] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.157464] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found 01:09:59 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:59 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000064e80)={0x0, [], 0x0, "388ba501dc8d52"}) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000004c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r4, 0xd000943d, &(0x7f0000064e80)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r5}, {}, {}, {}, {}, {}, {}, {r6}], 0x0, "388ba501dc8d52"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f000004fa80)={0x4, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "9a604adfbb96ae"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000050a80)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000050c80)={0x0, 0x0, "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", "3e421ad279fa5d49448d303027459bd560a1ea90abcc481a59e66201c6bf57e92fda7f58530ab4abd25de16ea654e723b20874493be8bace1cfbad30e1183b05488a473e8ea535a6b8f221dbd1cb320125c2569066ef3a259348f42a777a89f51d2e1e1505eb9a6e23104fad01a3bf5289dfd671404f0c13798ff8aea29bb56e8d9e9b22b3674be2740960ac24060e31efc2731ae23d6d7f74676749b6ed046dc17a0e3c365d679bc9673edfe9e88ee9a414a19abd25cd8ef49b65671390dc70b082660a4765533d86a3d99889bbe548f2d3cbd67cfb1cb485146190e0292907d9f60c7e36939236e587fad8334ab4a91f3c2c8258afbc382fc097392abc442f1eac37008c5816568edddf1e9233b891c5c0bd9602f5d5c051a43e681f76653c6b3b8bffae94ff7735d57798308340190101d1c92b19312244310567aeb78bec10525c9f4838711cb09cfff8bcdb278692c1712a477d25843f430b25e9f0f8418432378d53f5d7c5fa8e08fd78a20d8d5a34e76f8291bfcbc465ea4661aa4306f1813d6e8d9871bb8f1af6167ef6d5a7cbaae94e6639a7899fc628730f6b80b26d68776ff3e22e957a109120c72cddd988fb12d974a248badcd9aa18d57026aa7b3da78d30f30c37f39b283c2ea51a53672202d331bacad51590745a4df699ca4b95f381534016a8dea86791fa5727d29d0048ad52932475f21c02bad7684bfdee14fddb1aa144d1a5e8971d2ea0d3e8e32218b3040bb771de738e0f41d02a3d57d785893f4fa0710fc5d47cba3ac4e31d5011d4b229e3d8e1aa7e80d12e19471fd64602463ff2e3b108e5d71d1b7f69150552f79c5be41923f1b6cc2bc48565c8ad93ea24a5c76a127073336b85c559e36fc2e3599c1030ab5c90cebdd08b3c67d98d3a7a363d9228a5d4909b49cdf50e65cb785648668eb73d4ad82fb9fb1d3112e978f49ce0607bc1a1fa3f426ca574c4f9de5e2e08c2de6e3a089a5022fb08a61018c50f106cca2c86acbc94c2af8952aee7dd3d0685c6eb49cad8e313a8f20245b53a7c9d3fdf763c98615c27898cbfafd5bec1c08b0f46f21e7efec4e84dac3c7f0aba2feddc31fceba26551f01290afba00e730396c0a50aaad0a10836b4a2c601857483e14b80c17cb26181c1023ae01855b0325867056b4a6e3419ed929ce48674460c95fdb83b1ca85d739844c589fb2027822a448420f94624b9d164d06df50b3b272f7020f4800e3564a25864395e0fa66180f50d893a9d0c131946e6e70775913450622f5c051fde98c3e39a3b953ab5881c32d0c83482735de486a0513b0c865162ab63607b356408edea23d30f51a2120a387e78bea3784f1d8ac524dd336f30351e66cb3aba8dd7c2fef1692a984dad4d1b473e856ff9ab431c6c03c804ff996a0bd02c7c0ad8bdf53db51acefe2063d0507e94c03e10e95f2042ea3b8ed563a9ba166b94b5cd84de35f85b02153740cc78749d15cc910cd2db91ee0ae0c1f23d494477e50c85d78a66d1d5d1be32d5ece88135a0e65f164b204a402429b03e1ceee01500cceb6df9e22d621dc8bba52e561955a1a1682c64d81277341f6d31d0a3b6670af684a2ec02f000aea082490e6851251192a21ad22ab1082e4816c75dde3cd93ce6eb4de81a642209a5b31f5ef84a3c6ee6b440963853be9f8468f0a8aa8052a9ec7904ae49a62a16f95e18808e18362cc39bc083b728d62d6bc84339017ba5210b09067609a8face9e3679e60e1b5298436e44556bd2a90c9e716037aa5440e3124f4a91afc3f1784e7ddb0d4ea953281bccbbcf13c534548cf4281ffa702288e7087825aebe28dd1c0af35a9d6aa010a6e57e0f3f4774ac031bf3e384e3306661f79991fdca1fb1db591e60f1e5f1f626471507aeb2357dab9220cd40b2174b635ef7e2361d963c302271328c10c804fd0b6038bdaa1e1db0b799683e14d38c06b069557fd3c275b712f40285ae6147bc0ebb578ec8f196133473849f29ddd78314732d1d1ad95dee8a6f2e6349874770f0c8e0850efaa65fb2491d072366e4cc6a4c955bc24edeb70693352ccb89a8ce965a697ea7ab2552108d98b182a83462283e28f7f086e5c3cd5948369ab6423d1e125d6cf0b0705fd286dc155a107276ec3227ef9767e3c2169da3187288c3566033d131f0fefdfeafd08670bf24989c14baa5f2f6d495f69f0e609e633ec6012625f2fad39b5c4c5c3001c158955a9e8ea87cf0a8721cf9b0691f2ab368a0501d3aa60e018214b164c31a312e61fcded43c52bcb97123ae0f72814bd572456c4cbe18252059150193cc2b48e7a58dc271e9a63118bc3354f17411dcdb3a902d039334f75ddea337a9504d56fd937ddd9389123964aabfc8f9116c15c4cab436995f93675d3f031e2ca74e0e784a4422eefabb1df72cb351f4d0af366cd5085cf8df24a7c2f65e4bf8e736fb93c6802d71825d598f464bb79b2ee5e9d6943ae67d0a68e9f02ecefc8b2b37751fc79d3d7b062cc19f0a56237f218f2651c90726c7726a7bae36fc5cb2bf38336b1c753c5b1e7d776c17f84c17206eaea6dbf8245ca861ced914306e49c80fec439439df17ac2fabf5922992c6423e2d13f0e8b8d2d4145fa9b5008e59e803736b967affaaaeda69ff79d0929c7211c394467dc98aa35017f11e0e27d62f6d017e6e695de4725cd64e0d651004fe6985e8f85c63408128fda5c4cf4f58e4f8f51d319c87c6a580ff071faa0c561a522348e3b9b4e29b37d46ee24641f9b6521e2d103e032e7b95b10d896f258f5f236ed68d474f8327b8552c14dd7afb5d1eb419f8dbc8b64e4ef87a48bd713ffb6ce55cdb728ed8c911165b1569802b2fbe1fb7be175f69aa1773b34e0d595bb98e70fc57389df66b9b3bbc355a186c9c38b28d369561735cce2cca7cee02eff7ebf3bd03db1b96c49d1512816a08d9afe1e146eb3e106285906245bed7fdb7820e9aa285c147e16509205c65f1fc19a257983d8677c4fb0ac3bbc78d77271bfcf075fc3efceb237be0cb68fd68706322e2c0f83cd2927420a646ec87149d2636bdd030346f9f73e76d2061aa49c15016bfb22b3396db1bbd81c16fb2be7fb8680fbc6dcd91a9c26cb382812bd11ecf705b708545c29df13547f145928055b47b023790728c7ab14690c60a129af2f1aa981b14645fc9293958c1115f79deef0d39f9feaa25df5bfb35acc72d8066d18d525a78caa90617fb0275c10aee5291873582ea6be4b0bf0d0174a2b66c29f0a9c806cb307a1788b17992587f975ee90bc2a58785838e309804912328b8e6fa26e37fca4d214c9de42e1c5b6e48f537bf89b88581d1bb2adb6f809114bb6318ef072e624fb34c5e1e26982ab299711da8c8b96134bd4f47658661e2c3da39e654206b92717b580990f34ce351498fa0d1c199ace0513f3ae5ef7f5b1ce56e653622f1646a13873ba38362c29b4d10038e33c3b303fc79bf201d2b8670410867cbeb7b42e8cd3c589cd6b30c51be6d90d143efb7030f4d31415d490f43ba5685118c7095f9c060fd1e1ceec37f329ff15b30810360c7904a5226fe85d0aec2b3e7f2573b9b31ec84dcfa4cbc7129d67123a09b4e228f9b915fcf6158075cd818f3956293187f132c44be0f0e11ebeb8914089e8402800d4f3116a5a735ea82bc07cfec9e534e49cc7f907ee9d0a9f8d2570c404b4ccc0a15af0a7931b4ee6424e5cf41769cd13b55425f22de9e6e171ca7500375aaddb9a7e949e2dd74caf60d465b55eff6a6309c158250eed0c6ba31c247ed6f6d8d021c96b615ce4d6a132f82b31884eb00c3b4db58353e331aace073d0c58725b1f4ec44c3efc8b48766c26b26715a3ad8e77482ebd4a90d976d056831e7aa4fc3e0a839683fa074d2218083a24c2c9995836dd79849d013e0e09d42e1bcb5059944486a4e8e991d3092b6a11d5bb4aa4bd35dcc1396b13450673ac3946014cd450459386f8b688d9ff956cca435e100b070c0e94114f3d86d01431b2b35d51f933059bd0ac821a914ed96212f1cf2d3cbb946980228051104d98fe5f1ce96c4329a44f21c679c6a377b7634b1751af452e4051814cb8410078feb5a68a9ad5b4d903866c701d93ac85eb0d4ae1b43ffc2666b217ba25264c3b401dffbd2db7374d6c8a0b6b57997c7b0d12542022a90ba2af63ab30174173291d2b94b38aa56963baf245be949e996338bf79233154a62001312ecfea25235a50f8b1487b6177a104d0ae4de9883378db135c3c4591597dd81ab764b90f9f482f3521d4f2c8dc8d0795d56e356c5724626b0444626c88cc4e7dbcd0119d62d4410ea74d06fb113fb037af79a06f24cc823163ee748d1f99d912feb6bed26fb20caaabc6b38f05df1c22e325058be2ef222cf9bc13fa580804e76abde3764490648d6a2328dca74060b6d968808b3e3c8c1723d2d59c8a0b7774f3ed8e8b630b8af26c00fa7aa8ff433c4896cd2d0e8107380cd0bc21c6e79d4e675d513c5264172c973322dd40d019771c722d84ce77fcbd1bc9a3629cd3156691f90961380aa17ed658d5ef69acfd9f0b3f4c6627b6787a1fab1d58b81fb7dfe473a87b7f0b2daebfb07dde2f419f96d05ba637d5842fb5ad1047e5c480635df5bc3bf6f4d794ff9233331e627b46437b14488fb1d1415b66a922a3d417dabc1929516716262b9f785cb7bd8cd7919bbbb95c5a13cefaf376bcf0b48a8987dff4fa0a7ae5f4220650dd9371cc2a1c7096f9bd0bf587bb47ce6d8f4ce73cbd95a68027449aecc35148c40d6c8e9d8fa8cf534eb77f6ffa7563266dcc9add1d22f0447cc691b2e8c65e241fa9ecd09ffe6caa76688bf9775435ca100681b40dd84e98d454fd23b3baeb6921b554cc836efaea77e28a2cc72a1e67605e99d4399a9a9dc43ed266765cda0435e68c4023372c0bbfacd9f06dec9628071a1da9fe7eecc3804ddf266b1f04b981d231bba5244f010754016b19789073f0790596f3b750f582f37316a12e72dbc87e33310b6ec84d56b77202e9e820b4dc3ec011dff2749355bcb8cefcd50ef14e8b068f09207aaec7ebca4fe6a4c3a9b05dde8d09bf6aa6de7fb463c7ac3cf11e67558e59362cde823df2c0087e43956fedeea544d3d54f085d5424bcdc1bc0366bd9eed29303dcec7f68fc57c796aa319639dd1a4b79e1f1b18bc17da1c269217f0c4b14cd9c90b4a09213e34cb4d2b23e42c6e39db52a7ce51b97a3231ae85a16e59dd7f0fd5324b7432050ac77fe647abe59b3ed2bde60bb72eeb9314d4643089ffa8b12021a28037b5e7e992fafa1c0f204b51724bb9722b864e2d9ec91a2af1961e64615b9f08fcfe75f78efc1db47b9ce0a0c81a13d59b91898b0abb25130491f0e102a7e7a506b6fd4bdf7153d645248979c67"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f0000051c80)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {r8}, {}, {0x0, r9}, {}, {}, {r10}], 0x3, "f6f8fda5554188"}) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 533.165973] UDF-fs: Scanning with blocksize 2048 failed [ 533.173057] UDF-fs: Scanning with blocksize 4096 failed [ 533.183188] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.200179] UDF-fs: Scanning with blocksize 4096 failed [ 533.216887] nbd: failed to add new device [ 533.226477] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:59 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:09:59 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 47) [ 533.272956] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.288458] UDF-fs: Scanning with blocksize 512 failed [ 533.292481] UDF-fs: Scanning with blocksize 2048 failed [ 533.301100] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:09:59 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 533.335192] UDF-fs: Scanning with blocksize 4096 failed [ 533.344264] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.359771] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 533.375563] UDF-fs: Scanning with blocksize 1024 failed [ 533.384256] FAULT_INJECTION: forcing a failure. [ 533.384256] name failslab, interval 1, probability 0, space 0, times 0 [ 533.397132] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.402371] CPU: 1 PID: 31892 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 533.404644] UDF-fs: Scanning with blocksize 2048 failed [ 533.411687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 533.411692] Call Trace: [ 533.411715] dump_stack+0x1fc/0x2ef [ 533.411735] should_fail.cold+0xa/0xf [ 533.411752] ? setup_fault_attr+0x200/0x200 [ 533.411767] ? __lockdep_init_map+0x100/0x5a0 [ 533.411786] __should_failslab+0x115/0x180 [ 533.411804] should_failslab+0x5/0x10 [ 533.411820] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 533.411837] __kmalloc_node+0x38/0x70 [ 533.411856] blk_mq_alloc_rq_map+0xdf/0x230 [ 533.466493] ? elevator_get+0x29/0x170 [ 533.470379] blk_mq_init_sched+0x219/0x730 [ 533.474606] elevator_init_mq+0xf0/0x180 [ 533.478658] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 533.483842] blk_mq_init_queue+0x5c/0xa0 [ 533.487890] nbd_dev_add+0x2b9/0x890 [ 533.491595] nbd_genl_connect+0x488/0x1630 [ 533.495929] ? nbd_xmit_timeout+0x730/0x730 [ 533.500246] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 533.505436] ? validate_nla+0x270/0x820 [ 533.509406] ? nla_parse+0x1b2/0x290 [ 533.513114] genl_family_rcv_msg+0x642/0xc40 [ 533.517517] ? genl_rcv+0x40/0x40 [ 533.521045] ? genl_rcv_msg+0x12f/0x160 [ 533.525018] ? mutex_trylock+0x1a0/0x1a0 [ 533.529091] ? __radix_tree_lookup+0x216/0x370 [ 533.533687] genl_rcv_msg+0xbf/0x160 [ 533.537394] netlink_rcv_skb+0x160/0x440 [ 533.541455] ? genl_family_rcv_msg+0xc40/0xc40 [ 533.546024] ? netlink_ack+0xae0/0xae0 [ 533.550026] ? genl_rcv+0x15/0x40 [ 533.553491] genl_rcv+0x24/0x40 [ 533.556776] netlink_unicast+0x4d5/0x690 [ 533.560828] ? netlink_sendskb+0x110/0x110 [ 533.565049] ? _copy_from_iter_full+0x229/0x7c0 [ 533.569704] ? __phys_addr_symbol+0x2c/0x70 [ 533.574017] ? __check_object_size+0x17b/0x3e0 [ 533.578586] netlink_sendmsg+0x6c3/0xc50 [ 533.582634] ? aa_af_perm+0x230/0x230 [ 533.586423] ? nlmsg_notify+0x1f0/0x1f0 [ 533.590380] ? kernel_recvmsg+0x220/0x220 [ 533.594518] ? nlmsg_notify+0x1f0/0x1f0 [ 533.598478] sock_sendmsg+0xc3/0x120 [ 533.602178] ___sys_sendmsg+0x7bb/0x8e0 [ 533.606146] ? check_preemption_disabled+0x41/0x280 [ 533.611148] ? copy_msghdr_from_user+0x440/0x440 [ 533.615894] ? __fget+0x32f/0x510 [ 533.619351] ? lock_downgrade+0x720/0x720 [ 533.623484] ? check_preemption_disabled+0x41/0x280 [ 533.628585] ? check_preemption_disabled+0x41/0x280 [ 533.633588] ? __fget+0x356/0x510 [ 533.637031] ? do_dup2+0x450/0x450 [ 533.640554] ? lock_downgrade+0x720/0x720 [ 533.644693] ? vfs_write+0x3d7/0x540 [ 533.648399] ? __fdget+0x1d0/0x230 [ 533.651933] __x64_sys_sendmsg+0x132/0x220 [ 533.656152] ? __sys_sendmsg+0x1b0/0x1b0 [ 533.660200] ? vfs_write+0x393/0x540 [ 533.663909] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 533.669265] ? trace_hardirqs_off_caller+0x6e/0x210 [ 533.674268] ? do_syscall_64+0x21/0x620 [ 533.678232] do_syscall_64+0xf9/0x620 [ 533.682036] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.687209] RIP: 0033:0x7ff970b3e279 [ 533.690908] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 533.709876] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 533.717568] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 533.724821] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 01:10:00 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BE', 0x3, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 533.732082] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 533.739335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 533.746677] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 533.759110] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.768758] UDF-fs: Scanning with blocksize 512 failed [ 533.786051] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.816441] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 533.824543] UDF-fs: Scanning with blocksize 1024 failed [ 533.835861] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.847228] UDF-fs: Scanning with blocksize 512 failed [ 533.853491] UDF-fs: Scanning with blocksize 4096 failed [ 533.859466] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.867179] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.874730] UDF-fs: Scanning with blocksize 2048 failed [ 533.880998] UDF-fs: Scanning with blocksize 1024 failed 01:10:00 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 48) [ 533.887296] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 533.894602] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.901670] UDF-fs: Scanning with blocksize 4096 failed [ 533.904952] nbd: failed to add new device [ 533.907516] UDF-fs: Scanning with blocksize 2048 failed [ 533.918656] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 533.925407] UDF-fs: Scanning with blocksize 4096 failed 01:10:00 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:10:00 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 533.971100] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 533.984672] UDF-fs: Scanning with blocksize 512 failed [ 533.996689] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.004787] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 534.006304] UDF-fs: Scanning with blocksize 1024 failed 01:10:00 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:10:00 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000064e80)={0x0, [], 0x0, "388ba501dc8d52"}) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000004c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r4, 0xd000943d, &(0x7f0000064e80)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r5}, {}, {}, {}, {}, {}, {}, {r6}], 0x0, "388ba501dc8d52"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f000004fa80)={0x4, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "9a604adfbb96ae"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000050a80)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000050c80)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f0000051c80)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {r8}, {}, {0x0, r9}, {}, {}, {r10}], 0x3, "f6f8fda5554188"}) (async) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) [ 534.034608] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.053336] FAULT_INJECTION: forcing a failure. [ 534.053336] name failslab, interval 1, probability 0, space 0, times 0 [ 534.065856] UDF-fs: Scanning with blocksize 2048 failed [ 534.097081] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 534.110071] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.120805] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 534.124604] UDF-fs: Scanning with blocksize 512 failed [ 534.130828] CPU: 0 PID: 31916 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 534.137997] UDF-fs: Scanning with blocksize 4096 failed [ 534.140700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 534.140705] Call Trace: [ 534.140727] dump_stack+0x1fc/0x2ef [ 534.140747] should_fail.cold+0xa/0xf [ 534.140765] ? setup_fault_attr+0x200/0x200 [ 534.140782] ? __lockdep_init_map+0x100/0x5a0 [ 534.174200] __should_failslab+0x115/0x180 [ 534.178427] should_failslab+0x5/0x10 [ 534.182218] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 534.187311] __kmalloc_node+0x38/0x70 [ 534.191105] blk_mq_alloc_rq_map+0x120/0x230 [ 534.195502] ? elevator_get+0x29/0x170 [ 534.199376] blk_mq_init_sched+0x219/0x730 [ 534.203604] elevator_init_mq+0xf0/0x180 [ 534.207672] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 534.212876] blk_mq_init_queue+0x5c/0xa0 [ 534.216925] nbd_dev_add+0x2b9/0x890 [ 534.220630] nbd_genl_connect+0x488/0x1630 [ 534.224857] ? nbd_xmit_timeout+0x730/0x730 [ 534.229171] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 534.234359] ? validate_nla+0x270/0x820 [ 534.238326] ? nla_parse+0x1b2/0x290 [ 534.242050] genl_family_rcv_msg+0x642/0xc40 [ 534.246448] ? genl_rcv+0x40/0x40 [ 534.249888] ? genl_rcv_msg+0x12f/0x160 [ 534.253866] ? mutex_trylock+0x1a0/0x1a0 [ 534.257922] ? __radix_tree_lookup+0x216/0x370 [ 534.262499] genl_rcv_msg+0xbf/0x160 [ 534.266207] netlink_rcv_skb+0x160/0x440 [ 534.270255] ? genl_family_rcv_msg+0xc40/0xc40 [ 534.274824] ? netlink_ack+0xae0/0xae0 [ 534.278701] ? genl_rcv+0x15/0x40 [ 534.282598] genl_rcv+0x24/0x40 [ 534.285865] netlink_unicast+0x4d5/0x690 [ 534.289916] ? netlink_sendskb+0x110/0x110 [ 534.294139] ? _copy_from_iter_full+0x229/0x7c0 [ 534.298798] ? __phys_addr_symbol+0x2c/0x70 [ 534.303108] ? __check_object_size+0x17b/0x3e0 [ 534.307683] netlink_sendmsg+0x6c3/0xc50 [ 534.311735] ? aa_af_perm+0x230/0x230 [ 534.315552] ? nlmsg_notify+0x1f0/0x1f0 [ 534.319510] ? kernel_recvmsg+0x220/0x220 [ 534.323654] ? nlmsg_notify+0x1f0/0x1f0 [ 534.327616] sock_sendmsg+0xc3/0x120 [ 534.331318] ___sys_sendmsg+0x7bb/0x8e0 [ 534.335298] ? check_preemption_disabled+0x41/0x280 [ 534.340299] ? copy_msghdr_from_user+0x440/0x440 [ 534.345046] ? __fget+0x32f/0x510 [ 534.348493] ? lock_downgrade+0x720/0x720 [ 534.352637] ? check_preemption_disabled+0x41/0x280 [ 534.357643] ? check_preemption_disabled+0x41/0x280 [ 534.362649] ? __fget+0x356/0x510 [ 534.366092] ? do_dup2+0x450/0x450 [ 534.369635] ? lock_downgrade+0x720/0x720 [ 534.373772] ? vfs_write+0x3d7/0x540 [ 534.377479] ? __fdget+0x1d0/0x230 [ 534.381010] __x64_sys_sendmsg+0x132/0x220 [ 534.385233] ? __sys_sendmsg+0x1b0/0x1b0 [ 534.389292] ? vfs_write+0x393/0x540 [ 534.393012] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 534.398367] ? trace_hardirqs_off_caller+0x6e/0x210 [ 534.403370] ? do_syscall_64+0x21/0x620 [ 534.407336] do_syscall_64+0xf9/0x620 [ 534.411128] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.416303] RIP: 0033:0x7ff970b3e279 [ 534.420012] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 534.438898] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 534.446606] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 534.453861] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 534.461114] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 534.468367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 534.475621] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 01:10:00 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA0', 0x5, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 534.522407] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.552661] UDF-fs: Scanning with blocksize 512 failed [ 534.555297] UDF-fs: Scanning with blocksize 512 failed [ 534.573034] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.588606] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 534.592509] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.606724] UDF-fs: Scanning with blocksize 1024 failed [ 534.618889] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.620537] UDF-fs: Scanning with blocksize 1024 failed [ 534.626190] UDF-fs: Scanning with blocksize 512 failed [ 534.639374] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.646825] UDF-fs: Scanning with blocksize 2048 failed [ 534.653777] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 534.661785] UDF-fs: Scanning with blocksize 1024 failed [ 534.669151] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.676832] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.686101] UDF-fs: Scanning with blocksize 4096 failed [ 534.694913] UDF-fs: Scanning with blocksize 2048 failed [ 534.695063] UDF-fs: Scanning with blocksize 2048 failed [ 534.715564] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found 01:10:01 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xc, &(0x7f0000000200)=[{&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 534.730657] UDF-fs: Scanning with blocksize 4096 failed [ 534.736849] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 534.741909] nbd: failed to add new device [ 534.745676] UDF-fs: Scanning with blocksize 4096 failed [ 534.749068] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 534.763180] UDF-fs: Scanning with blocksize 1024 failed 01:10:01 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA0', 0x5, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:10:01 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 49) [ 534.781588] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 534.801495] UDF-fs: Scanning with blocksize 2048 failed [ 534.811186] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 534.819711] UDF-fs: Scanning with blocksize 4096 failed [ 534.825777] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.834402] UDF-fs: Scanning with blocksize 512 failed [ 534.845081] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.857024] UDF-fs: Scanning with blocksize 1024 failed [ 534.857736] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 534.870454] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.872434] FAULT_INJECTION: forcing a failure. [ 534.872434] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 534.883888] UDF-fs: Scanning with blocksize 2048 failed [ 534.895142] CPU: 1 PID: 31967 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 534.903029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 534.903595] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 534.912373] Call Trace: [ 534.912395] dump_stack+0x1fc/0x2ef [ 534.912414] should_fail.cold+0xa/0xf [ 534.912431] ? setup_fault_attr+0x200/0x200 [ 534.912455] __alloc_pages_nodemask+0x239/0x2890 [ 534.912472] ? kasan_kmalloc+0x139/0x160 [ 534.924836] UDF-fs: Scanning with blocksize 4096 failed [ 534.925307] ? __kmalloc_node+0x4c/0x70 [ 534.948230] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.951495] ? blk_mq_alloc_rq_map+0x120/0x230 [ 534.951510] ? blk_mq_init_sched+0x219/0x730 [ 534.951522] ? elevator_init_mq+0xf0/0x180 [ 534.951535] ? blk_mq_init_allocated_queue+0xe1f/0x1300 [ 534.951552] ? blk_mq_init_queue+0x5c/0xa0 [ 534.963176] UDF-fs: Scanning with blocksize 512 failed [ 534.967180] ? nbd_dev_add+0x2b9/0x890 [ 534.967197] ? genl_rcv_msg+0xbf/0x160 [ 534.967209] ? netlink_rcv_skb+0x160/0x440 [ 534.967219] ? genl_rcv+0x24/0x40 [ 534.967236] ? sock_sendmsg+0xc3/0x120 [ 534.983733] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 534.986328] ? __x64_sys_sendmsg+0x132/0x220 [ 534.986344] ? do_syscall_64+0xf9/0x620 [ 534.986359] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 534.986377] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 534.993316] UDF-fs: Scanning with blocksize 1024 failed [ 534.994131] ? setup_fault_attr+0x200/0x200 [ 534.994149] ? lock_acquire+0x170/0x3c0 [ 534.994165] ? check_preemption_disabled+0x41/0x280 [ 534.994181] ? should_fail+0x142/0x7b0 [ 534.999161] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 535.001839] ? setup_fault_attr+0x200/0x200 [ 535.001858] ? __lockdep_init_map+0x100/0x5a0 [ 535.001870] ? find_next_bit+0x105/0x130 [ 535.001887] ? __cpu_to_node+0x7b/0xa0 [ 535.005829] UDF-fs: Scanning with blocksize 2048 failed [ 535.012404] ? blk_mq_hw_queue_to_node+0xc1/0x100 [ 535.012424] blk_mq_alloc_rqs+0x242/0x800 [ 535.012446] ? blk_mq_alloc_rq_map+0xaa/0x230 [ 535.012461] blk_mq_init_sched+0x26c/0x730 [ 535.012484] elevator_init_mq+0xf0/0x180 [ 535.017502] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 535.020850] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 535.020877] blk_mq_init_queue+0x5c/0xa0 [ 535.020895] nbd_dev_add+0x2b9/0x890 [ 535.020912] nbd_genl_connect+0x488/0x1630 [ 535.020930] ? nbd_xmit_timeout+0x730/0x730 [ 535.027183] UDF-fs: Scanning with blocksize 4096 failed [ 535.031102] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 535.031124] ? validate_nla+0x270/0x820 [ 535.031142] ? nla_parse+0x1b2/0x290 [ 535.031161] genl_family_rcv_msg+0x642/0xc40 [ 535.031180] ? genl_rcv+0x40/0x40 [ 535.158462] ? genl_rcv_msg+0x12f/0x160 [ 535.162418] ? mutex_trylock+0x1a0/0x1a0 [ 535.166463] ? __radix_tree_lookup+0x216/0x370 [ 535.171034] genl_rcv_msg+0xbf/0x160 [ 535.174731] netlink_rcv_skb+0x160/0x440 [ 535.178784] ? genl_family_rcv_msg+0xc40/0xc40 [ 535.183362] ? netlink_ack+0xae0/0xae0 [ 535.187259] ? genl_rcv+0x15/0x40 [ 535.191150] genl_rcv+0x24/0x40 [ 535.194423] netlink_unicast+0x4d5/0x690 [ 535.198492] ? netlink_sendskb+0x110/0x110 [ 535.202726] ? _copy_from_iter_full+0x229/0x7c0 [ 535.207406] ? __phys_addr_symbol+0x2c/0x70 [ 535.211824] ? __check_object_size+0x17b/0x3e0 [ 535.216399] netlink_sendmsg+0x6c3/0xc50 [ 535.220453] ? aa_af_perm+0x230/0x230 [ 535.224237] ? nlmsg_notify+0x1f0/0x1f0 [ 535.228192] ? kernel_recvmsg+0x220/0x220 [ 535.232326] ? nlmsg_notify+0x1f0/0x1f0 [ 535.236303] sock_sendmsg+0xc3/0x120 [ 535.240003] ___sys_sendmsg+0x7bb/0x8e0 [ 535.243978] ? check_preemption_disabled+0x41/0x280 [ 535.248981] ? copy_msghdr_from_user+0x440/0x440 [ 535.253723] ? __fget+0x32f/0x510 [ 535.257192] ? lock_downgrade+0x720/0x720 [ 535.261336] ? check_preemption_disabled+0x41/0x280 [ 535.266339] ? check_preemption_disabled+0x41/0x280 [ 535.271349] ? __fget+0x356/0x510 [ 535.274792] ? do_dup2+0x450/0x450 [ 535.278320] ? lock_downgrade+0x720/0x720 [ 535.282821] ? vfs_write+0x3d7/0x540 [ 535.286528] ? __fdget+0x1d0/0x230 [ 535.290058] __x64_sys_sendmsg+0x132/0x220 [ 535.294276] ? __sys_sendmsg+0x1b0/0x1b0 [ 535.298325] ? vfs_write+0x393/0x540 [ 535.302028] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 535.307472] ? trace_hardirqs_off_caller+0x6e/0x210 [ 535.312482] ? do_syscall_64+0x21/0x620 [ 535.316442] do_syscall_64+0xf9/0x620 [ 535.320233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 535.325405] RIP: 0033:0x7ff970b3e279 [ 535.329100] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 535.347988] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 535.355682] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 535.362941] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 535.370313] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 01:10:01 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000064e80)={0x0, [], 0x0, "388ba501dc8d52"}) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000004c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r4, 0xd000943d, &(0x7f0000064e80)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r5}, {}, {}, {}, {}, {}, {}, {r6}], 0x0, "388ba501dc8d52"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f000004fa80)={0x4, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "9a604adfbb96ae"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000050a80)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000050c80)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f0000051c80)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {r8}, {}, {0x0, r9}, {}, {}, {r10}], 0x3, "f6f8fda5554188"}) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) (async) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) (async) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0)={0x77359400}, 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) (async) gettid() (async) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000064e80)={0x0, [], 0x0, "388ba501dc8d52"}) (async) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000004c0)) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r4, 0xd000943d, &(0x7f0000064e80)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r5}, {}, {}, {}, {}, {}, {}, {r6}], 0x0, "388ba501dc8d52"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f000004fa80)={0x4, [], 0x7, "9a604adfbb96ae"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000050a80)) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f0000050c80)={0x0, 0x0, "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", "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"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, &(0x7f0000051c80)={0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r7}, {}, {r8}, {}, {0x0, r9}, {}, {}, {r10}], 0x3, "f6f8fda5554188"}) (async) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) (async) 01:10:01 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 50) 01:10:01 executing program 3: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f00000001c0), 0x8080ffffff80) creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') [ 535.377563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 535.384816] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 535.415461] nbd: couldn't find device at index -1627389953 [ 535.457164] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 535.465720] FAULT_INJECTION: forcing a failure. [ 535.465720] name failslab, interval 1, probability 0, space 0, times 0 [ 535.478229] CPU: 1 PID: 31977 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 535.486157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 535.495508] Call Trace: [ 535.498085] dump_stack+0x1fc/0x2ef [ 535.501721] should_fail.cold+0xa/0xf [ 535.505509] ? setup_fault_attr+0x200/0x200 [ 535.509821] ? lock_acquire+0x170/0x3c0 [ 535.513791] __should_failslab+0x115/0x180 [ 535.518013] should_failslab+0x5/0x10 [ 535.521801] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 535.526916] dd_init_queue+0x94/0x430 [ 535.530704] blk_mq_init_sched+0x395/0x730 [ 535.534929] elevator_init_mq+0xf0/0x180 [ 535.538984] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 535.544202] blk_mq_init_queue+0x5c/0xa0 [ 535.548255] nbd_dev_add+0x2b9/0x890 [ 535.551956] nbd_genl_connect+0x488/0x1630 [ 535.556175] ? nbd_xmit_timeout+0x730/0x730 [ 535.560485] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 535.565659] ? validate_nla+0x270/0x820 [ 535.569617] ? nla_parse+0x1b2/0x290 [ 535.573346] genl_family_rcv_msg+0x642/0xc40 [ 535.577759] ? genl_rcv+0x40/0x40 [ 535.581290] ? genl_rcv_msg+0x12f/0x160 [ 535.585245] ? mutex_trylock+0x1a0/0x1a0 [ 535.589296] ? __radix_tree_lookup+0x216/0x370 [ 535.593877] genl_rcv_msg+0xbf/0x160 [ 535.597580] netlink_rcv_skb+0x160/0x440 [ 535.601626] ? genl_family_rcv_msg+0xc40/0xc40 [ 535.606284] ? netlink_ack+0xae0/0xae0 [ 535.610167] ? genl_rcv+0x15/0x40 [ 535.613628] genl_rcv+0x24/0x40 [ 535.616892] netlink_unicast+0x4d5/0x690 [ 535.620939] ? netlink_sendskb+0x110/0x110 [ 535.625157] ? _copy_from_iter_full+0x229/0x7c0 [ 535.629811] ? __phys_addr_symbol+0x2c/0x70 [ 535.634121] ? __check_object_size+0x17b/0x3e0 [ 535.638695] netlink_sendmsg+0x6c3/0xc50 [ 535.642745] ? aa_af_perm+0x230/0x230 [ 535.646542] ? nlmsg_notify+0x1f0/0x1f0 [ 535.650518] ? kernel_recvmsg+0x220/0x220 [ 535.654674] ? nlmsg_notify+0x1f0/0x1f0 [ 535.658642] sock_sendmsg+0xc3/0x120 [ 535.662344] ___sys_sendmsg+0x7bb/0x8e0 [ 535.666308] ? check_preemption_disabled+0x41/0x280 [ 535.671306] ? copy_msghdr_from_user+0x440/0x440 [ 535.676046] ? __fget+0x32f/0x510 [ 535.679496] ? lock_downgrade+0x720/0x720 [ 535.683632] ? check_preemption_disabled+0x41/0x280 [ 535.688632] ? check_preemption_disabled+0x41/0x280 [ 535.693633] ? __fget+0x356/0x510 [ 535.697078] ? do_dup2+0x450/0x450 [ 535.700610] ? lock_downgrade+0x720/0x720 [ 535.704739] ? vfs_write+0x3d7/0x540 [ 535.708447] ? __fdget+0x1d0/0x230 [ 535.711976] __x64_sys_sendmsg+0x132/0x220 [ 535.716190] ? __sys_sendmsg+0x1b0/0x1b0 [ 535.720237] ? vfs_write+0x393/0x540 [ 535.723994] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 535.729350] ? trace_hardirqs_off_caller+0x6e/0x210 [ 535.734430] ? do_syscall_64+0x21/0x620 [ 535.738401] do_syscall_64+0xf9/0x620 [ 535.742190] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 535.747366] RIP: 0033:0x7ff970b3e279 [ 535.751065] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 535.769951] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 535.777639] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 535.784912] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 535.792172] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 535.799430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 01:10:02 executing program 4: getpid() syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) unlink(&(0x7f0000000500)='./bus\x00') 01:10:02 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 51) [ 535.806687] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 535.819989] nbd: failed to add new device 01:10:02 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA0', 0x5, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') 01:10:02 executing program 2: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{0x0, 0x0, 0x8000}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 535.937217] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 535.945402] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 535.962615] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 535.969867] FAULT_INJECTION: forcing a failure. [ 535.969867] name failslab, interval 1, probability 0, space 0, times 0 [ 535.973997] UDF-fs: Scanning with blocksize 512 failed [ 535.998974] UDF-fs: Scanning with blocksize 512 failed [ 536.007227] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 536.012357] CPU: 0 PID: 31989 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 536.021776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 536.031171] Call Trace: [ 536.033750] dump_stack+0x1fc/0x2ef [ 536.037369] should_fail.cold+0xa/0xf [ 536.041160] ? setup_fault_attr+0x200/0x200 [ 536.045487] ? lock_acquire+0x170/0x3c0 [ 536.049454] __should_failslab+0x115/0x180 [ 536.053679] should_failslab+0x5/0x10 [ 536.057471] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 536.062563] dd_init_queue+0x94/0x430 [ 536.066354] blk_mq_init_sched+0x395/0x730 [ 536.070580] elevator_init_mq+0xf0/0x180 [ 536.074634] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 536.079818] blk_mq_init_queue+0x5c/0xa0 [ 536.083872] nbd_dev_add+0x2b9/0x890 [ 536.087591] nbd_genl_connect+0x488/0x1630 [ 536.092251] ? nbd_xmit_timeout+0x730/0x730 [ 536.096561] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 536.101740] ? validate_nla+0x270/0x820 [ 536.105714] ? nla_parse+0x1b2/0x290 [ 536.109421] genl_family_rcv_msg+0x642/0xc40 [ 536.113822] ? genl_rcv+0x40/0x40 [ 536.117287] ? genl_rcv_msg+0x12f/0x160 [ 536.121248] ? mutex_trylock+0x1a0/0x1a0 [ 536.125303] ? __radix_tree_lookup+0x216/0x370 [ 536.129879] genl_rcv_msg+0xbf/0x160 [ 536.133583] netlink_rcv_skb+0x160/0x440 [ 536.137638] ? genl_family_rcv_msg+0xc40/0xc40 [ 536.142215] ? netlink_ack+0xae0/0xae0 [ 536.146091] ? genl_rcv+0x15/0x40 [ 536.149538] genl_rcv+0x24/0x40 [ 536.152805] netlink_unicast+0x4d5/0x690 [ 536.156876] ? netlink_sendskb+0x110/0x110 [ 536.161098] ? _copy_from_iter_full+0x229/0x7c0 [ 536.165761] ? __phys_addr_symbol+0x2c/0x70 [ 536.170072] ? __check_object_size+0x17b/0x3e0 [ 536.174645] netlink_sendmsg+0x6c3/0xc50 [ 536.178782] ? aa_af_perm+0x230/0x230 [ 536.182570] ? nlmsg_notify+0x1f0/0x1f0 [ 536.186532] ? kernel_recvmsg+0x220/0x220 [ 536.190670] ? nlmsg_notify+0x1f0/0x1f0 [ 536.194631] sock_sendmsg+0xc3/0x120 [ 536.198335] ___sys_sendmsg+0x7bb/0x8e0 [ 536.202298] ? check_preemption_disabled+0x41/0x280 [ 536.207306] ? copy_msghdr_from_user+0x440/0x440 [ 536.212061] ? __fget+0x32f/0x510 [ 536.215514] ? lock_downgrade+0x720/0x720 [ 536.219649] ? check_preemption_disabled+0x41/0x280 [ 536.224657] ? check_preemption_disabled+0x41/0x280 [ 536.229661] ? __fget+0x356/0x510 [ 536.233107] ? do_dup2+0x450/0x450 [ 536.236636] ? lock_downgrade+0x720/0x720 [ 536.240774] ? vfs_write+0x3d7/0x540 [ 536.244475] ? __fdget+0x1d0/0x230 [ 536.248007] __x64_sys_sendmsg+0x132/0x220 [ 536.252228] ? __sys_sendmsg+0x1b0/0x1b0 [ 536.256276] ? vfs_write+0x393/0x540 [ 536.259990] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 536.265343] ? trace_hardirqs_off_caller+0x6e/0x210 [ 536.270348] ? do_syscall_64+0x21/0x620 [ 536.274313] do_syscall_64+0xf9/0x620 [ 536.278105] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 536.283280] RIP: 0033:0x7ff970b3e279 [ 536.286981] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 536.305867] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 536.313562] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 536.320823] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 536.328074] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 536.335326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 536.342581] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 536.375479] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 536.385286] UDF-fs: Scanning with blocksize 512 failed [ 536.412216] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 536.419890] UDF-fs: Scanning with blocksize 1024 failed [ 536.436608] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 536.439933] UDF-fs: Scanning with blocksize 512 failed [ 536.452508] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 536.465224] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found 01:10:02 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_gettime(0x0, &(0x7f0000000140)) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0), 0x0) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) semtimedop(0x0, &(0x7f0000000300)=[{0x2, 0x101, 0x800}, {0x2, 0x5, 0x1800}], 0x2, &(0x7f0000000380)={0x77359400}) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) ptrace$cont(0x20, r2, 0x8, 0xfffffffffffffff7) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x34, 0x0, 0x410, 0x70bd2c, 0x25dfdbfe, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @DEVLINK_ATTR_RATE_NODE_NAME={0xf, 0xa8, @name2}]}, 0x34}, 0x1, 0x0, 0x0, 0x12}, 0x1) [ 536.481397] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 536.485243] UDF-fs: Scanning with blocksize 1024 failed [ 536.488468] UDF-fs: Scanning with blocksize 1024 failed [ 536.495952] UDF-fs: Scanning with blocksize 2048 failed [ 536.506122] UDF-fs: Scanning with blocksize 1024 failed [ 536.519072] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 536.527560] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 536.535731] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 536.542636] UDF-fs: warning (device loop5): udf_load_vrs: No VRS found [ 536.553044] UDF-fs: Scanning with blocksize 2048 failed [ 536.553685] UDF-fs: Scanning with blocksize 2048 failed [ 536.563038] UDF-fs: Scanning with blocksize 4096 failed [ 536.569526] UDF-fs: Scanning with blocksize 2048 failed [ 536.576700] nbd: failed to add new device 01:10:02 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={0x0, 0xaf150700, &(0x7f0000000080)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0xc001, 0x9effffff}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 52) [ 536.582403] UDF-fs: warning (device loop4): udf_load_vrs: No VRS found [ 536.591732] UDF-fs: warning (device loop3): udf_load_vrs: No VRS found [ 536.601113] UDF-fs: Scanning with blocksize 4096 failed [ 536.612607] UDF-fs: warning (device loop2): udf_load_vrs: No VRS found [ 536.618666] UDF-fs: Scanning with blocksize 4096 failed [ 536.633236] UDF-fs: Scanning with blocksize 4096 failed 01:10:02 executing program 5: syz_mount_image$udf(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0xd, &(0x7f0000000200)=[{&(0x7f0000010000)='\x00BEA01', 0x6}, {&(0x7f0000010100)='\x00NSR03', 0x6, 0x8800}, {&(0x7f0000010300)="0100030012000100cbf1f001600000000100000000000000084c696e757855444600000000000000000000000000000000000000000000090100010003000300010000000100000008313233343536373831323334353637384c696e7578554446", 0x61, 0xc000}, {&(0x7f0000010400)="0000000000000019004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000004f53544120436f6d7072657373656420556e69636f64650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a4c696e7578206d6b756466667300000000000000000004050000000000007810e4070913142c1643092d002a4c696e757820554446465300000000000000000000000405", 0xde, 0xc0c0}, {&(0x7f0000010500)="00000000000000000100000000000000000000000000000000000000000000000600030061000100fd10e8016100000002000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x7d, 0xc1e0}, {&(0x7f0000010600)="000000000000000000000000000000000000000900020000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000200002000000000000000000000004000000001000000002a4c696e757820554446465300000000000000000000000405", 0x6a, 0xc2c0}, {&(0x7f0000010700)="00000000000000000000000000000000004000008000000002400000002a554446205370617261626c6520506172746974696f6e0102040500000000010000002000020038010000a0000000e0070000000000000000000000000000000000000500030033000100cd0af001620000000500000001000000002b4e535230330000000000000000000000000000000000000000000000000000000000000000000002", 0xa2, 0xc3a0}, {&(0x7f0000010800)="0000000000000000000000000000000000000000000000000300000020050000a0020000002a4c696e757820554446465300000000000000000000000405", 0x3e, 0xc4a0}, {&(0x7f0000000140)="02000300fe0001008f77f00100010000004000006000000000400000c007", 0x1e, 0x20000}, {&(0x7f0000011200)="080103002e000100c059080000000000a002000054000000fe", 0x19, 0xa4000}, {&(0x7f0000011300)="000103006e0001003a1ef001200000007810e4070913142c1643092d0300030001000000010000000000000000000000004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446", 0x79, 0xa8000}, {&(0x7f0000011400)="00000000000000000000000000000009004f53544120436f6d7072657373656420556e69636f646500000000000000000000000000000000000000000000000000000000000000000000000000000000084c696e7578554446000000000000000000000000000000000000000000000908436f707972696768740000000000000000000000000000000000000000000a084162737472616374000000000000000000000000000000000000000000000900020000600000000000000000000000002a4f5354412055444620436f6d706c69616e74000000000102000000000000000000000000000000000000000000000002000040", 0xf5, 0xa80e0}, {&(0x7f0000011700)="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", 0x1e0, 0xb0000}], 0x0, &(0x7f0000013500)=ANY=[]) socket$kcm(0x10, 0x2, 0x10) chdir(&(0x7f0000000140)='./file0\x00') open(&(0x7f0000000040)='./bus\x00', 0x141042, 0x0) socket$l2tp(0x2, 0x2, 0x73) unlink(&(0x7f0000000500)='./bus\x00') [ 536.664051] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 536.674892] FAULT_INJECTION: forcing a failure. [ 536.674892] name failslab, interval 1, probability 0, space 0, times 0 [ 536.687965] CPU: 1 PID: 32039 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 536.696110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 536.705446] Call Trace: [ 536.708023] dump_stack+0x1fc/0x2ef [ 536.711636] should_fail.cold+0xa/0xf [ 536.715419] ? setup_fault_attr+0x200/0x200 [ 536.719724] ? lock_acquire+0x170/0x3c0 [ 536.723681] __should_failslab+0x115/0x180 [ 536.727913] should_failslab+0x5/0x10 [ 536.731698] __kmalloc_track_caller+0x2a6/0x3c0 [ 536.736349] ? kstrdup_const+0x53/0x80 [ 536.740219] kstrdup+0x36/0x70 [ 536.743394] kstrdup_const+0x53/0x80 [ 536.747100] kvasprintf_const+0x15b/0x190 [ 536.751256] kobject_set_name_vargs+0x56/0x150 [ 536.755822] device_create_groups_vargs+0x1b1/0x270 [ 536.760994] device_create+0xdf/0x120 [ 536.764773] ? device_create_vargs+0x50/0x50 [ 536.769167] ? pointer+0x850/0x850 [ 536.772709] bdi_register_va.part.0+0x4c/0x750 [ 536.777274] bdi_register+0x12a/0x140 [ 536.781054] ? bdi_register_va+0x80/0x80 [ 536.785101] ? vsnprintf+0x2cc/0x14f0 [ 536.788884] bdi_register_owner+0x59/0x100 [ 536.793102] __device_add_disk+0xd58/0x10c0 [ 536.797424] ? sprintf+0xc0/0x100 [ 536.800873] ? blk_alloc_devt+0x2d0/0x2d0 [ 536.805003] ? __lockdep_init_map+0x100/0x5a0 [ 536.809480] ? __lockdep_init_map+0x100/0x5a0 [ 536.813959] nbd_dev_add+0x6a9/0x890 [ 536.817654] nbd_genl_connect+0x488/0x1630 [ 536.821884] ? nbd_xmit_timeout+0x730/0x730 [ 536.826190] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 536.831364] ? validate_nla+0x270/0x820 [ 536.835327] ? nla_parse+0x1b2/0x290 [ 536.839028] genl_family_rcv_msg+0x642/0xc40 [ 536.843421] ? genl_rcv+0x40/0x40 [ 536.846853] ? genl_rcv_msg+0x12f/0x160 [ 536.850807] ? mutex_trylock+0x1a0/0x1a0 [ 536.854866] ? __radix_tree_lookup+0x216/0x370 [ 536.859432] genl_rcv_msg+0xbf/0x160 [ 536.863127] netlink_rcv_skb+0x160/0x440 [ 536.867168] ? genl_family_rcv_msg+0xc40/0xc40 [ 536.871731] ? netlink_ack+0xae0/0xae0 [ 536.875598] ? genl_rcv+0x15/0x40 [ 536.879033] genl_rcv+0x24/0x40 [ 536.882319] netlink_unicast+0x4d5/0x690 [ 536.886366] ? netlink_sendskb+0x110/0x110 [ 536.890578] ? _copy_from_iter_full+0x229/0x7c0 [ 536.895226] ? __phys_addr_symbol+0x2c/0x70 [ 536.899527] ? __check_object_size+0x17b/0x3e0 [ 536.904105] netlink_sendmsg+0x6c3/0xc50 [ 536.908149] ? aa_af_perm+0x230/0x230 [ 536.911936] ? nlmsg_notify+0x1f0/0x1f0 [ 536.915891] ? kernel_recvmsg+0x220/0x220 [ 536.920023] ? nlmsg_notify+0x1f0/0x1f0 [ 536.923977] sock_sendmsg+0xc3/0x120 [ 536.927671] ___sys_sendmsg+0x7bb/0x8e0 [ 536.931640] ? copy_msghdr_from_user+0x440/0x440 [ 536.936374] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 536.941113] ? __fget+0x32f/0x510 [ 536.944548] ? lock_downgrade+0x720/0x720 [ 536.948684] ? check_preemption_disabled+0x41/0x280 [ 536.953698] ? check_preemption_disabled+0x41/0x280 [ 536.958709] ? __fget+0x356/0x510 [ 536.962143] ? do_dup2+0x450/0x450 [ 536.965663] ? lock_downgrade+0x720/0x720 [ 536.969795] ? vfs_write+0x3d7/0x540 [ 536.973502] ? __fdget+0x1d0/0x230 [ 536.977037] __x64_sys_sendmsg+0x132/0x220 [ 536.981262] ? __sys_sendmsg+0x1b0/0x1b0 [ 536.985341] ? vfs_write+0x393/0x540 [ 536.989062] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 536.994418] ? trace_hardirqs_off_caller+0x6e/0x210 [ 536.999413] ? do_syscall_64+0x21/0x620 [ 537.003369] do_syscall_64+0xf9/0x620 [ 537.007154] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 537.012332] RIP: 0033:0x7ff970b3e279 [ 537.016034] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 537.034915] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 537.042602] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 537.049849] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 537.057096] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 537.064343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 537.071593] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 537.092947] ------------[ cut here ]------------ [ 537.098163] WARNING: CPU: 1 PID: 32039 at block/genhd.c:719 __device_add_disk.cold+0x69/0x188 [ 537.106845] Kernel panic - not syncing: panic_on_warn set ... [ 537.106845] [ 537.114211] CPU: 1 PID: 32039 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 [ 537.122096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 537.131534] Call Trace: [ 537.134132] dump_stack+0x1fc/0x2ef [ 537.137771] panic+0x26a/0x50e [ 537.140976] ? __warn_printk+0xf3/0xf3 [ 537.144874] ? __device_add_disk.cold+0x69/0x188 [ 537.149643] ? __probe_kernel_read+0x130/0x1b0 [ 537.154234] ? __warn.cold+0x5/0x5a [ 537.157876] ? __device_add_disk.cold+0x69/0x188 [ 537.162646] __warn.cold+0x20/0x5a 01:10:03 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) (async) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x12}, &(0x7f0000000200)) (async) clock_gettime(0x0, &(0x7f0000000000)={0x0}) clock_gettime(0x0, &(0x7f0000000140)) (async) clock_nanosleep(0x8, 0x1, &(0x7f00000000c0), 0x0) (async) timer_settime(0x0, 0x1, &(0x7f0000000340)={{0x0, 0x989680}, {r1}}, 0x0) semtimedop(0x0, &(0x7f0000000300)=[{0x2, 0x101, 0x800}, {0x2, 0x5, 0x1800}], 0x2, &(0x7f0000000380)={0x77359400}) (async) r2 = gettid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)=[{{&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e, 0x0}}], 0x1, 0x0) (async) timer_create(0x0, &(0x7f0000000280)={0x0, 0x14, 0x4, @tid=r2}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x1, &(0x7f0000000400)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) (async) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) ptrace$cont(0x20, r2, 0x8, 0xfffffffffffffff7) (async) sendmsg$DEVLINK_CMD_RATE_DEL(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x34, 0x0, 0x410, 0x70bd2c, 0x25dfdbfe, {}, [@DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @DEVLINK_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @DEVLINK_ATTR_RATE_NODE_NAME={0xf, 0xa8, @name2}]}, 0x34}, 0x1, 0x0, 0x0, 0x12}, 0x1) [ 537.166194] ? __device_add_disk.cold+0x69/0x188 [ 537.170952] report_bug+0x262/0x2b0 [ 537.174587] do_error_trap+0x1d7/0x310 [ 537.178481] ? math_error+0x310/0x310 [ 537.182285] ? __irq_work_queue_local+0x101/0x160 [ 537.187143] ? irq_work_queue+0x29/0x80 [ 537.191665] ? error_entry+0x72/0xd0 [ 537.195371] ? trace_hardirqs_off_caller+0x6e/0x210 [ 537.200383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 537.205216] invalid_op+0x14/0x20 [ 537.208650] RIP: 0010:__device_add_disk.cold+0x69/0x188 [ 537.213995] Code: 02 84 c0 74 08 3c 03 0f 8e a8 00 00 00 44 8b a5 f0 05 00 00 e9 67 ad 6a fb e8 05 45 66 f9 48 c7 c7 60 75 b2 88 e8 64 76 f7 ff <0f> 0b e9 8f b9 6a fb e8 ed 44 66 f9 48 c7 c7 60 75 b2 88 e8 4c 76 [ 537.232877] RSP: 0018:ffff888047bb7488 EFLAGS: 00010282 [ 537.238222] RAX: 0000000000000024 RBX: 0000000000000001 RCX: 0000000000000000 [ 537.245487] RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1008f76e83 [ 537.252735] RBP: ffff8880a8baa500 R08: 0000000000000024 R09: 0000000000000000 [ 537.259994] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a8baa590 [ 537.267254] R13: ffff8880a8baab90 R14: 00000000fffffff4 R15: ffff8880a8baa504 [ 537.274517] ? vprintk_func+0x81/0x180 [ 537.278393] ? __device_add_disk.cold+0x69/0x188 [ 537.283150] ? sprintf+0xc0/0x100 [ 537.286594] ? blk_alloc_devt+0x2d0/0x2d0 [ 537.290731] ? __lockdep_init_map+0x100/0x5a0 [ 537.295223] ? __lockdep_init_map+0x100/0x5a0 [ 537.299713] nbd_dev_add+0x6a9/0x890 [ 537.303416] nbd_genl_connect+0x488/0x1630 [ 537.307638] ? nbd_xmit_timeout+0x730/0x730 [ 537.311953] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 537.317134] ? validate_nla+0x270/0x820 [ 537.321108] ? nla_parse+0x1b2/0x290 [ 537.324822] genl_family_rcv_msg+0x642/0xc40 [ 537.329216] ? genl_rcv+0x40/0x40 [ 537.332663] ? genl_rcv_msg+0x12f/0x160 [ 537.336618] ? mutex_trylock+0x1a0/0x1a0 [ 537.340662] ? __radix_tree_lookup+0x216/0x370 [ 537.345244] genl_rcv_msg+0xbf/0x160 [ 537.348956] netlink_rcv_skb+0x160/0x440 [ 537.353010] ? genl_family_rcv_msg+0xc40/0xc40 [ 537.357587] ? netlink_ack+0xae0/0xae0 [ 537.361461] ? genl_rcv+0x15/0x40 [ 537.364898] genl_rcv+0x24/0x40 [ 537.368182] netlink_unicast+0x4d5/0x690 [ 537.372237] ? netlink_sendskb+0x110/0x110 [ 537.376466] ? _copy_from_iter_full+0x229/0x7c0 [ 537.381140] ? __phys_addr_symbol+0x2c/0x70 [ 537.385441] ? __check_object_size+0x17b/0x3e0 [ 537.390011] netlink_sendmsg+0x6c3/0xc50 [ 537.394060] ? aa_af_perm+0x230/0x230 [ 537.397857] ? nlmsg_notify+0x1f0/0x1f0 [ 537.401807] ? kernel_recvmsg+0x220/0x220 [ 537.405940] ? nlmsg_notify+0x1f0/0x1f0 [ 537.409894] sock_sendmsg+0xc3/0x120 [ 537.413587] ___sys_sendmsg+0x7bb/0x8e0 [ 537.417551] ? copy_msghdr_from_user+0x440/0x440 [ 537.422295] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 537.427029] ? __fget+0x32f/0x510 [ 537.430465] ? lock_downgrade+0x720/0x720 [ 537.434599] ? check_preemption_disabled+0x41/0x280 [ 537.439597] ? check_preemption_disabled+0x41/0x280 [ 537.444594] ? __fget+0x356/0x510 [ 537.448050] ? do_dup2+0x450/0x450 [ 537.451576] ? lock_downgrade+0x720/0x720 [ 537.455704] ? vfs_write+0x3d7/0x540 [ 537.459398] ? __fdget+0x1d0/0x230 [ 537.462935] __x64_sys_sendmsg+0x132/0x220 [ 537.467150] ? __sys_sendmsg+0x1b0/0x1b0 [ 537.471204] ? vfs_write+0x393/0x540 [ 537.474904] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 537.480249] ? trace_hardirqs_off_caller+0x6e/0x210 [ 537.485250] ? do_syscall_64+0x21/0x620 [ 537.489212] do_syscall_64+0xf9/0x620 [ 537.493014] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 537.498203] RIP: 0033:0x7ff970b3e279 [ 537.501914] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 537.520813] RSP: 002b:00007ff96f4b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 537.528515] RAX: ffffffffffffffda RBX: 00007ff970c50f80 RCX: 00007ff970b3e279 [ 537.535768] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 [ 537.543024] RBP: 00007ff96f4b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 537.550277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 537.557640] R13: 00007ffdd4c023bf R14: 00007ff96f4b3300 R15: 0000000000022000 [ 537.565315] Kernel Offset: disabled [ 537.569029] Rebooting in 86400 seconds..