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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 514.234586][T28927] BTRFS error (device loop4): superblock checksum mismatch 18:21:42 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0259443030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:42 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x700, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 514.290339][T28927] BTRFS error (device loop4): open_ctree failed 18:21:42 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x12c, 0x10000}, 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r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1001020, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 514.487183][T28955] loop0: detected capacity change from 0 to 32768 [ 514.491676][T28958] loop1: detected capacity change from 0 to 136 [ 514.508914][T28959] loop3: detected capacity change from 0 to 256 [ 514.515353][T28961] loop5: detected capacity change from 0 to 32768 [ 514.531534][T28960] loop2: detected capacity change from 0 to 32768 [ 514.607977][T28958] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 514.645356][T28969] loop4: detected capacity change from 0 to 32776 18:21:42 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) 18:21:42 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x900, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="508a5a6e00000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000001000000000001000000000000005f42485266535f4d07000000000000000000500000000000001010000000000000000000000000000000000000000000000000010000000000d000000000000006000000000000000100000000000000001000000010000000100000001000006100000004000000000000000000000000000000000000000000000045010000000000000000000000010000000000000000000001000000000000720000000000001000000010000000100000000000000000000000000000000000000000000000000000000000000000bc20e8884d7c46949cd033ffd3e9190b", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) 18:21:42 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 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capacity change from 0 to 136 [ 514.920478][T28983] BTRFS error (device loop4): superblock checksum mismatch 18:21:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 514.960289][T28990] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 514.980845][T28997] loop3: detected capacity change from 0 to 256 [ 514.987955][T28983] BTRFS error (device loop4): open_ctree failed 18:21:43 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1001100, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 515.004703][T28999] loop2: detected capacity change from 0 to 32768 [ 515.037313][T28990] loop1: detected capacity change from 0 to 136 [ 515.059092][T28997] BTRFS error (device loop3): superblock checksum mismatch [ 515.064347][T28990] isofs_fill_super: bread failed, dev=loop1, 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from 0 to 32768 [ 515.142564][T28997] BTRFS error (device loop3): open_ctree failed 18:21:43 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243023030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:43 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 515.192248][T29011] loop4: detected capacity change from 0 to 32776 [ 515.264149][T29005] BTRFS error (device loop4): superblock checksum mismatch 18:21:43 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0xa00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 515.306538][T29005] BTRFS error (device loop4): open_ctree failed [ 515.339492][T29024] loop1: detected capacity change from 0 to 136 [ 515.352713][T29011] BTRFS error (device loop4): superblock checksum mismatch [ 515.378153][T29025] loop5: detected capacity change from 0 to 32768 [ 515.391882][T29028] loop2: detected capacity change from 0 to 32768 [ 515.398985][T29024] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 18:21:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 515.423793][T29011] BTRFS error (device loop4): open_ctree failed [ 515.431898][T29031] loop3: detected capacity change from 0 to 256 [ 515.450326][T29028] BTRFS error (device loop4): superblock checksum mismatch [ 515.457621][T29025] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor.5 (29025) 18:21:43 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243083030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:43 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1001f00, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 515.563015][T29028] BTRFS error (device loop4): open_ctree failed [ 515.574585][T17833] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by systemd-udevd (17833) [ 515.588561][T29031] BTRFS error (device 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0 to 32768 [ 515.701630][T29031] BTRFS error (device loop4): open_ctree failed 18:21:43 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 515.807663][T29042] BTRFS error (device loop4): superblock checksum mismatch 18:21:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1002000, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) 18:21:44 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0xc00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 515.856588][T29057] loop1: detected capacity change from 0 to 136 [ 515.905648][T29042] BTRFS error (device loop4): open_ctree failed [ 515.945253][T29059] loop5: detected capacity change from 0 to 32768 [ 515.965004][T29062] loop2: detected capacity change from 0 to 32768 [ 515.980179][T29057] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 18:21:44 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 516.079169][T29059] BTRFS error (device loop4): superblock checksum mismatch [ 516.082290][T29062] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (29062) [ 516.103136][T29057] loop1: detected capacity change from 0 to 136 [ 516.108146][T29069] loop3: detected capacity change from 0 to 256 18:21:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1002010, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 516.154554][T29057] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 516.169115][T17931] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (17931) 18:21:44 executing program 2: r0 = openat(0xffffffffffffff9c, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) 18:21:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1002300, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) 18:21:44 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243213030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 516.257427][T29059] BTRFS error (device loop4): open_ctree failed [ 516.279497][T29081] loop0: detected capacity change from 0 to 32768 [ 516.293231][T29069] BTRFS error (device loop3): superblock checksum mismatch [ 516.336395][T29081] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29081) 18:21:44 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) 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capacity change from 0 to 32785 [ 516.535654][T29089] BTRFS info (device loop2): has skinny extents 18:21:44 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0xd00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) 18:21:44 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243223030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 516.690604][T29109] loop5: detected capacity change from 0 to 32768 [ 516.706012][T29109] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor.5 (29109) [ 516.749389][T29116] loop3: detected capacity change from 0 to 256 [ 516.822453][T29116] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29116) [ 516.841427][T29122] loop0: detected capacity change from 0 to 32768 [ 516.855298][T29122] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29122) 18:21:45 executing program 5: r0 = openat(0xffffffffffffff9c, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 517.034104][T29139] loop5: detected capacity change from 0 to 32768 [ 517.066033][T29139] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor.5 (29139) 18:21:45 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0xf00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 517.109242][T29125] loop1: detected capacity change from 0 to 136 [ 517.131825][T29125] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 517.160177][T17833] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by systemd-udevd (17833) [ 517.171269][T29089] BTRFS info (device loop2): enabling ssd optimizations 18:21:45 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243233030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 517.203130][T29148] loop3: detected capacity change from 0 to 256 [ 517.203983][ T206] BTRFS error (device loop2): bad tree block start, want 5292032 have 49152 [ 517.282755][T29148] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29148) [ 517.365328][T29093] BTRFS info (device loop2): disk space caching is enabled [ 517.372579][T29093] BTRFS info (device loop2): has skinny extents [ 517.422935][T29150] loop0: detected capacity change from 0 to 32768 [ 517.463689][T29150] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29150) 18:21:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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517.555854][T29093] BTRFS error (device loop2): open_ctree failed 18:21:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1003f00, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) 18:21:45 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1020, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) 18:21:45 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 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failed, dev=loop1, iso_blknum=34, block=68 18:21:45 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243253030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 517.724437][T29191] loop2: detected capacity change from 0 to 32768 [ 517.747674][T29193] loop3: detected capacity change from 0 to 256 [ 517.768125][T29196] loop5: detected capacity change from 0 to 32768 [ 517.790691][T29191] BTRFS info (device loop2): disk space caching is enabled [ 517.792119][T29193] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29193) [ 517.809611][T29198] loop0: detected capacity change from 0 to 32768 [ 517.832903][T29191] BTRFS info (device loop2): has skinny extents [ 517.832919][T29196] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor.5 (29196) [ 517.854634][T29198] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29198) [ 517.860114][T29203] loop4: detected capacity change from 0 to 32799 [ 517.888297][T29205] loop1: detected capacity change from 0 to 136 18:21:46 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1100, 0x8, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 517.982223][T29205] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 18:21:46 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1004000, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 518.033799][T29229] loop5: detected capacity change from 0 to 32768 [ 518.063854][T29205] loop1: detected capacity change from 0 to 136 [ 518.068485][T29231] loop0: detected capacity change from 0 to 32768 [ 518.088557][T29238] loop3: detected capacity change from 0 to 256 [ 518.091928][T29191] BTRFS info (device loop2): enabling ssd optimizations [ 518.104568][ T206] BTRFS error (device loop2): bad tree block start, want 5292032 have 49152 [ 518.111569][T29229] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by syz-executor.5 (29229) [ 518.117334][T29205] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 518.180712][T29231] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29231) [ 518.208173][T29247] loop4: detected capacity change from 0 to 32800 [ 518.214727][T29238] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29238) 18:21:46 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) 18:21:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) 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&(0x7f0000000500)=[{&(0x7f0000010a00)="0243453030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:46 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1f00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 518.459764][T29258] loop5: detected capacity change from 0 to 32768 [ 518.480868][T29247] BTRFS error (device loop4): superblock checksum mismatch [ 518.481554][T29259] loop0: detected capacity change from 0 to 32768 [ 518.531640][T29247] BTRFS error (device loop4): open_ctree failed [ 518.557121][T29258] BTRFS error (device loop4): superblock checksum mismatch 18:21:46 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x100ff00, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 518.577032][T29258] BTRFS error (device loop4): open_ctree failed [ 518.588425][T29268] loop2: detected capacity change from 0 to 32768 [ 518.604193][T29259] BTRFS error (device loop4): superblock checksum mismatch [ 518.605300][T29272] loop1: detected capacity change from 0 to 136 [ 518.623223][T29273] loop3: detected capacity change from 0 to 256 [ 518.661871][T29259] BTRFS error (device loop4): open_ctree failed 18:21:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 518.703356][T29273] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29273) [ 518.721885][T29268] BTRFS info (device loop2): disk space caching is enabled [ 518.755239][T29268] BTRFS info (device loop2): has skinny extents [ 518.796682][T17940] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (17940) [ 518.803357][T29272] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 518.819036][T29286] loop4: detected capacity change from 0 to 32895 18:21:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) 18:21:47 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x2000, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) 18:21:47 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243593030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 519.298243][T29320] loop0: detected capacity change from 0 to 32768 [ 519.315372][T17833] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 7 scanned by systemd-udevd (17833) [ 519.329090][T29312] loop1: detected capacity change from 0 to 136 [ 519.375169][T29268] BTRFS info (device loop2): enabling ssd optimizations [ 519.394927][ T362] BTRFS warning (device loop2): checksum verify failed on 5292032 wanted 0xeb57b18e found 0x0322eefd level 0 [ 519.409014][T29312] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 18:21:47 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 519.417235][T29320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29320) 18:21:47 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x2010, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 519.657230][T29286] BTRFS info (device loop2): disk space caching is enabled [ 519.664743][T29286] BTRFS info (device loop2): has skinny extents [ 519.715614][T29341] loop3: detected capacity change from 0 to 256 18:21:48 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="02435c3030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) 18:21:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 519.860842][T29286] BTRFS error (device loop2): open_ctree failed [ 519.887781][T29341] BTRFS error (device loop3): superblock checksum mismatch 18:21:48 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x100ff0f, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) 18:21:48 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) [ 519.908480][T29341] BTRFS error (device loop3): open_ctree failed [ 519.925670][T29363] loop5: detected capacity change from 0 to 32768 [ 519.931391][T29366] loop2: detected capacity change from 0 to 32768 [ 519.943057][T29368] loop1: detected capacity change from 0 to 136 [ 519.984025][T29363] BTRFS info (device loop5): disk space caching is enabled [ 519.990732][T29366] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (29366) [ 520.019109][T29363] BTRFS info (device loop5): has skinny extents 18:21:48 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x2300, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 520.029429][T29368] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 520.089985][T29378] loop0: detected capacity change from 0 to 32768 [ 520.155901][T29381] loop4: detected capacity change from 0 to 32895 [ 520.172921][T29378] BTRFS warning: duplicate device /dev/loop0 devid 1 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) 18:21:48 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x2000000, 0x7, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11a, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0, 0x0, 0x50be40}, {&(0x7f0000013900)}], 0x0, &(0x7f0000016800)) [ 520.417838][T29405] loop2: detected capacity change from 0 to 32768 [ 520.481247][T29390] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29390) [ 520.520344][T29405] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (29405) 18:21:48 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x200000, 0x0) r2 = openat$6lowpan_control(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x25, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) 18:21:48 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="02435d3030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 520.658272][T29363] BTRFS info (device loop5): enabling ssd optimizations [ 520.712042][ T10] BTRFS error (device loop5): bad tree block start, want 5292032 have 0 [ 520.749718][T29422] loop4: detected capacity change from 0 to 65536 [ 520.849076][T29425] loop0: detected capacity change from 0 to 32768 [ 520.898455][T29422] BTRFS: device fsid b0717768-cd43-4991-8351-c99dcb3df6b6 devid 1 transid 7 /dev/loop4 scanned by syz-executor.4 (29422) [ 520.899476][T29431] loop1: detected capacity change from 0 to 136 [ 520.928166][T29429] loop2: detected capacity change from 0 to 32768 18:21:49 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x3f00, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) 18:21:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x1000000, 0x24, 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) [ 520.954928][T29431] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 520.977396][T29425] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29425) [ 520.990813][T29422] BTRFS info (device loop5): disk space caching is enabled [ 521.013301][T29429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (29429) [ 521.021743][T29440] loop3: detected capacity change from 0 to 256 [ 521.032741][T29422] BTRFS info (device loop5): has skinny extents [ 521.053417][T29431] loop1: detected capacity change from 0 to 136 [ 521.086985][T29431] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 521.119776][T29440] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (29440) 18:21:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat$dlm_monitor(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) openat(r0, &(0x7f0000000040)='./file0\x00', 0x4100, 0x100) 18:21:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) 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0x920, 0x50e6e0}, {&(0x7f0000015600)="c38252d600000000000000000000000000000000000000000000000000000000b0717768cd4349918351c99dcb3df6b6000051000000000001000000000000014a8ecaf7953449649e94a17a340467e30600000000000000040000000000000004000000000000000000000000f90100000000000000730f0000280000000100000000000000cc0000100000000000430f0000300000000100000000000000cc0000500000000000130f0000300000000100000000000000cc0000690000000000e30e000030", 0xc6, 0x510000}, {&(0x7f0000015700)="000000000000000003000000000000000001000000000000000069000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000050000000000000001900000000004a8ecaf7953449649e94a17a340467e303000000000000000001000000000000000010000000000000004000000000004a8ecaf7953449649e94a17a340467e3", 0x98, 0x510f40}], 0x0, &(0x7f0000016800)) 18:21:49 executing program 1: syz_mount_image$iso9660(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000500)=[{&(0x7f0000010a00)="0243863030310100004c0049004e0055005800200020002000200020002000200020002000200020004300440052004f004d002000200020fe1f00200020002000200020002000200000000000000000b9010000000001b9252f45000000000000000000000000000000000000000004000000000000000001000001010000010008", 0x82, 0x8800}], 0x0, &(0x7f0000000180)={[{@check_strict}]}) [ 521.340948][T29471] loop0: detected capacity change from 0 to 32768 [ 521.346704][T29422] BTRFS info (device loop5): enabling ssd optimizations [ 521.367416][T29471] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (29471) 18:21:49 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$btrfs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x4000, 0x8, &(0x7f0000000200)=[{&(0x7f0000010000)="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", 0x11b, 0x10000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x0, &(0x7f0000016800)) [ 521.392469][T15786] BTRFS error (device loop5): bad tree block start, want 5292032 have 0 [ 521.463217][T29475] loop2: detected capacity change from 0 to 32768 [ 521.469487][T17940] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (17940) [ 521.574720][T29480] loop1: detected capacity change from 0 to 136 [ 521.576761][T29422] ------------[ cut here ]------------ [ 521.624699][T29480] isofs_fill_super: bread failed, dev=loop1, iso_blknum=34, block=68 [ 521.645352][T29485] loop3: detected capacity change from 0 to 256