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  1. 21:42:51 executing program 2:
  2. openat$printer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/g_printer1', 0x501300, 0x0)
  3. r0 = openat$lightnvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp1', 0x101, 0x0)
  4. r1 = openat$lp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/usb/lp1', 0x40, 0x0)
  5. r2 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs9', 0x102, 0x0)
  6. r3 = syz_open_dev$usbfs(&(0x7f0000000100)='/dev/bus/usb/003/007', 0x2ff, 0x2040)
  7. openat$lp(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
  8. ioctl$BTRFS_IOC_SCRUB_PROGRESS(r3, 0xc400941d, &(0x7f0000000180)={0x0, 0x80, 0x5, 0x1})
  9. ioctl$USBDEVFS_SUBMITURB(r2, 0x8038550a, &(0x7f0000000700)=@urb_type_bulk={0x3, {0x1, 0x1}, 0x7, 0x42, &(0x7f0000000580)="12f18d2d7dff5557f9077c4f38c56718e780606aa685ae129db8da75611ef6622400d51cf55f6b37d99f2a92f43dde0f229eb1774c379a8be7e27bb3e29a3b1ebc6a7ef71d8014ea3798b60958a252d8c4386a1adbc20fd50b09585396ed8a895cc265183d3356d25b6048eb832f035cf70dbaf0759a2a2c93db3b0c05a9dfd27cd51d4b7f625915ca32", 0x8a, 0xc22, 0x6, 0x9, 0x7, 0x1, &(0x7f0000000640)="17796c67dc12f99479cfa32e5a7d40b51144c479a21e64fc0bb0a3304f0d8a6b408f6d7f1649bc4ea47f7840baaf58c8de10e2327eb0624f90c870e96eef4f8cc3dec346a093b1ed6a35457af9d381917a15a19de73a0549a788b5564b5cdcf3cb3527deba139e3a836357ea08c71df29cec3ecaece326384cfbfc8ffb051180035fbdbdd918ad5e967feadfcc7a63797a150e854aed9bf0b811e0bab950"})
  10. ioctl$LPABORT(r1, 0x604, 0x5)
  11. openat$mice(0xffffffffffffff9c, &(0x7f0000000740), 0x4402)
  12. ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, &(0x7f0000000780)={0x5, 0x73b08eab, 0x705819ca, 0x5edd953c, 0x400})
  13. r4 = inotify_init()
  14. writev(r4, &(0x7f0000000c00)=[{&(0x7f00000007c0)="934c4051e0899802c211996c48668f", 0xf}, {&(0x7f0000000800)="803ced20f5d5566f77b245ee102890d253acb1d426a73d97af9eaae34d7f57f016f02308551a8cbd1d1d2f75927996e5f2d0211da50a9e0553131fb8db2e5d8adc80fa4e959819399f7a804ffc1034b995b017a35723f79ebf536828a43675dffb9cdd69a431c1b880e71ec0bbbf170047cdfb8120adcc63790db7217e2d2ead9127df6126e2b2707a99f23fc517b32e0cada3587f52e263014f253da496e971ebb816b191acfa911ea1de6bbfb84949cc2a635ce22f8414682b1f798c96fea79797f6dd1170968d275c560e3df8941d34ee82f7ae1f3f6bf55cefb10a95f7738d", 0xe1}, {&(0x7f0000000900)="3b3b58bc42f48fc779384e4c6530c99e989a3fb30821a11fbddf247d83d807e9e13b559bd6d1d76342528e1dec8a9440b7e25fe0cc39175d2b437f632db3f49d5755aa9a8fbc599a59e8a98483f12c2f0dfef95e39f33a7af4f4d2abb0259b7a293baa81f5df0dd5d47b2f60c41c215b8902ec66929cc21e66767d9b95a8a9ab1d27c626f93c931e3ae9faef811900da7554d5f2088e728a014b2c9616918a4a259f260c1e28657fff8f0f612c428a2ff1ee529bdf69e97f02a3daf9ce9f5e91c2b4975c5cd4d0b7b8ba38875825be6058196151dc7a7dd136f4df2704e0c89de045876f1c3048121579d5c8947a", 0xee}, {&(0x7f0000000a00)="0c6d25882d6dd7129cb551f74c9ce18d2e091e3770bf692b1fa47dbd7a3242a74c1c137592b1a909e060", 0x2a}, {&(0x7f0000000a40)="0f925923f07946533038c80d7db4f811b1b218567b31917b684a494de9c5c56ed79589bfb3bafb604e4de967f7768a8af9f31704750078dfea594e1a65f8d2", 0x3f}, {&(0x7f0000000a80)="34a24ab0816193998a884113fc90ae347deb4d43ed3d469d541c5db09db13d1630df716319d78ad347f748d0", 0x2c}, {&(0x7f0000000ac0)="cf535bbe76c5a320e19d91d910e0a52255f40111f3103704040397311f6638af3055c3a57a1f3de040ae5c1aebe126901fc70a28f2155fb8e58f365c70aae543b6b4ba5357afc5fc75ed2d993324368f62921ad2e239fb3b39914df527f5ff61e84baca9017cd451c63f442766f074dbe410dc7de7be7b6c32eec6cb", 0x7c}, {&(0x7f0000000b40)="a51b3370910a6e5dad640015908f36d32cc3eea2dd3ab454fd716152292c087b9cf1c2de3759a465cdbdcfc6b5144ceeefc323aee3a38de88aa642de6a1eb4486586b5c92aa917eb1158e3e1da840ddd79352e70c0b7f408a764919d67ca299b0c40c6745652d223805079ae06c4ec0479906fd2862415c5a089efe339493a31f2f4f98fc03d9d3034b616c75a76833de3d325fef54e331e3e7ac9", 0x9b}], 0x8)
  15. ioctl$USBDEVFS_RELEASE_PORT(r0, 0x80045519, &(0x7f0000000c80)=0x9)
  16. ioctl$BTRFS_IOC_BALANCE_CTL(r4, 0x40049421, 0x1)
  17. pwrite64(r1, &(0x7f0000000cc0)="d87e1f5b0dd2f118539160dd7be14c9443e3365fe81d1b4d241004b6670dda71ab863c84bde30cb8804a878772b9c729e15351564ea553a87ba4cdd363775c50a8fa6ed5c9bf99615d2c68cfcbcceede3f14661e389de9b4f43484dd50f4bab531263366417a2d0dd0197c374a4d5489ec77e237a48f4a8e0a1d19d091d36cd0fabf9c42f82f626b5029f3b5bee7", 0x8e, 0x1)
  18. r5 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000d80), 0x80000, 0x0)
  19. ioctl$CDROMSETSPINDOWN(r5, 0x531e, &(0x7f0000000dc0)=0x8)
  20. read$lp(0xffffffffffffffff, &(0x7f0000000e00)=""/166, 0xa6)
  21. ioctl$LOOP_SET_STATUS64(0xffffffffffffffff, 0x4c04, &(0x7f0000000f00)={0x0, 0x0, 0x0, 0x8, 0x1, 0x0, 0xa, 0x9, 0x4, "d2198e5b904518b3f994178a9219abc516a4dd1a389523e4bb9cf2a6f0b42481c838f9fdc06f7a0506c85b1d1275b089d4b5dd4a4468b09f4a2decd8040a2201", "867a399a6bd7fb558dbc098d8aa5313a697fa514e12223227bb3dbb40194b86bc1204457c69faf332db6f16ab7815b68702d6eb96429e04bc928dbb3b6275f0b", "ee2df64d7892e73c2dae620dba2ffd106b5c6346c956bfc73b54520916966b2b", [0xedf, 0x8]})
  22. openat$printer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/g_printer1', 0x501300, 0x0) (async)
  23. openat$lightnvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp1', 0x101, 0x0) (async)
  24. openat$lp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/usb/lp1', 0x40, 0x0) (async)
  25. openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs9', 0x102, 0x0) (async)
  26. syz_open_dev$usbfs(&(0x7f0000000100)='/dev/bus/usb/003/007', 0x2ff, 0x2040) (async)
  27. openat$lp(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) (async)
  28. ioctl$BTRFS_IOC_SCRUB_PROGRESS(r3, 0xc400941d, &(0x7f0000000180)={0x0, 0x80, 0x5, 0x1}) (async)
  29. ioctl$USBDEVFS_SUBMITURB(r2, 0x8038550a, &(0x7f0000000700)=@urb_type_bulk={0x3, {0x1, 0x1}, 0x7, 0x42, &(0x7f0000000580)="12f18d2d7dff5557f9077c4f38c56718e780606aa685ae129db8da75611ef6622400d51cf55f6b37d99f2a92f43dde0f229eb1774c379a8be7e27bb3e29a3b1ebc6a7ef71d8014ea3798b60958a252d8c4386a1adbc20fd50b09585396ed8a895cc265183d3356d25b6048eb832f035cf70dbaf0759a2a2c93db3b0c05a9dfd27cd51d4b7f625915ca32", 0x8a, 0xc22, 0x6, 0x9, 0x7, 0x1, &(0x7f0000000640)="17796c67dc12f99479cfa32e5a7d40b51144c479a21e64fc0bb0a3304f0d8a6b408f6d7f1649bc4ea47f7840baaf58c8de10e2327eb0624f90c870e96eef4f8cc3dec346a093b1ed6a35457af9d381917a15a19de73a0549a788b5564b5cdcf3cb3527deba139e3a836357ea08c71df29cec3ecaece326384cfbfc8ffb051180035fbdbdd918ad5e967feadfcc7a63797a150e854aed9bf0b811e0bab950"}) (async)
  30. ioctl$LPABORT(r1, 0x604, 0x5) (async)
  31. openat$mice(0xffffffffffffff9c, &(0x7f0000000740), 0x4402) (async)
  32. ioctl$FS_IOC_FSGETXATTR(0xffffffffffffffff, 0x801c581f, &(0x7f0000000780)={0x5, 0x73b08eab, 0x705819ca, 0x5edd953c, 0x400}) (async)
  33. inotify_init() (async)
  34. writev(r4, &(0x7f0000000c00)=[{&(0x7f00000007c0)="934c4051e0899802c211996c48668f", 0xf}, {&(0x7f0000000800)="803ced20f5d5566f77b245ee102890d253acb1d426a73d97af9eaae34d7f57f016f02308551a8cbd1d1d2f75927996e5f2d0211da50a9e0553131fb8db2e5d8adc80fa4e959819399f7a804ffc1034b995b017a35723f79ebf536828a43675dffb9cdd69a431c1b880e71ec0bbbf170047cdfb8120adcc63790db7217e2d2ead9127df6126e2b2707a99f23fc517b32e0cada3587f52e263014f253da496e971ebb816b191acfa911ea1de6bbfb84949cc2a635ce22f8414682b1f798c96fea79797f6dd1170968d275c560e3df8941d34ee82f7ae1f3f6bf55cefb10a95f7738d", 0xe1}, {&(0x7f0000000900)="3b3b58bc42f48fc779384e4c6530c99e989a3fb30821a11fbddf247d83d807e9e13b559bd6d1d76342528e1dec8a9440b7e25fe0cc39175d2b437f632db3f49d5755aa9a8fbc599a59e8a98483f12c2f0dfef95e39f33a7af4f4d2abb0259b7a293baa81f5df0dd5d47b2f60c41c215b8902ec66929cc21e66767d9b95a8a9ab1d27c626f93c931e3ae9faef811900da7554d5f2088e728a014b2c9616918a4a259f260c1e28657fff8f0f612c428a2ff1ee529bdf69e97f02a3daf9ce9f5e91c2b4975c5cd4d0b7b8ba38875825be6058196151dc7a7dd136f4df2704e0c89de045876f1c3048121579d5c8947a", 0xee}, {&(0x7f0000000a00)="0c6d25882d6dd7129cb551f74c9ce18d2e091e3770bf692b1fa47dbd7a3242a74c1c137592b1a909e060", 0x2a}, {&(0x7f0000000a40)="0f925923f07946533038c80d7db4f811b1b218567b31917b684a494de9c5c56ed79589bfb3bafb604e4de967f7768a8af9f31704750078dfea594e1a65f8d2", 0x3f}, {&(0x7f0000000a80)="34a24ab0816193998a884113fc90ae347deb4d43ed3d469d541c5db09db13d1630df716319d78ad347f748d0", 0x2c}, {&(0x7f0000000ac0)="cf535bbe76c5a320e19d91d910e0a52255f40111f3103704040397311f6638af3055c3a57a1f3de040ae5c1aebe126901fc70a28f2155fb8e58f365c70aae543b6b4ba5357afc5fc75ed2d993324368f62921ad2e239fb3b39914df527f5ff61e84baca9017cd451c63f442766f074dbe410dc7de7be7b6c32eec6cb", 0x7c}, {&(0x7f0000000b40)="a51b3370910a6e5dad640015908f36d32cc3eea2dd3ab454fd716152292c087b9cf1c2de3759a465cdbdcfc6b5144ceeefc323aee3a38de88aa642de6a1eb4486586b5c92aa917eb1158e3e1da840ddd79352e70c0b7f408a764919d67ca299b0c40c6745652d223805079ae06c4ec0479906fd2862415c5a089efe339493a31f2f4f98fc03d9d3034b616c75a76833de3d325fef54e331e3e7ac9", 0x9b}], 0x8) (async)
  35. ioctl$USBDEVFS_RELEASE_PORT(r0, 0x80045519, &(0x7f0000000c80)=0x9) (async)
  36. ioctl$BTRFS_IOC_BALANCE_CTL(r4, 0x40049421, 0x1) (async)
  37. pwrite64(r1, &(0x7f0000000cc0)="d87e1f5b0dd2f118539160dd7be14c9443e3365fe81d1b4d241004b6670dda71ab863c84bde30cb8804a878772b9c729e15351564ea553a87ba4cdd363775c50a8fa6ed5c9bf99615d2c68cfcbcceede3f14661e389de9b4f43484dd50f4bab531263366417a2d0dd0197c374a4d5489ec77e237a48f4a8e0a1d19d091d36cd0fabf9c42f82f626b5029f3b5bee7", 0x8e, 0x1) (async)
  38. openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000d80), 0x80000, 0x0) (async)
  39. ioctl$CDROMSETSPINDOWN(r5, 0x531e, &(0x7f0000000dc0)=0x8) (async)
  40. read$lp(0xffffffffffffffff, &(0x7f0000000e00)=""/166, 0xa6) (async)
  41. ioctl$LOOP_SET_STATUS64(0xffffffffffffffff, 0x4c04, &(0x7f0000000f00)={0x0, 0x0, 0x0, 0x8, 0x1, 0x0, 0xa, 0x9, 0x4, "d2198e5b904518b3f994178a9219abc516a4dd1a389523e4bb9cf2a6f0b42481c838f9fdc06f7a0506c85b1d1275b089d4b5dd4a4468b09f4a2decd8040a2201", "867a399a6bd7fb558dbc098d8aa5313a697fa514e12223227bb3dbb40194b86bc1204457c69faf332db6f16ab7815b68702d6eb96429e04bc928dbb3b6275f0b", "ee2df64d7892e73c2dae620dba2ffd106b5c6346c956bfc73b54520916966b2b", [0xedf, 0x8]}) (async)
  42.  
  43. 2022/09/05 21:42:51 ###proc loop idx: 4
  44. 2022/09/05 21:42:51 ###begin to attach usb device
  45. 2022/09/05 21:42:51 ###begin to attach usb device
  46. 21:42:53 executing program 1:
  47. syz_attach_gadget(&(0x7f0000000000)={0x310, 0x0, 0x0, 0x0, 0x28, 0x1df7, 0x2500, 0x0, 0xe0, 0x58, 0x1, [{0xb, @midi_null_attr}]}, 0x1)
  48.  
  49. [ 1093.246870][ T30] kauditd_printk_skb: 35 callbacks suppressed
  50. [ 1093.246891][ T30] audit: type=1800 audit(1662414173.927:1488): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51498 res=0 errno=0
  51. [ 1093.260440][ T30] audit: type=1800 audit(1662414173.947:1489): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51499 res=0 errno=0
  52. [ 1093.272410][ T30] audit: type=1800 audit(1662414173.957:1490): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51500 res=0 errno=0
  53. [ 1093.290594][ T30] audit: type=1800 audit(1662414173.977:1491): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51501 res=0 errno=0
  54. [ 1093.318127][ T30] audit: type=1800 audit(1662414173.997:1492): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51502 res=0 errno=0
  55. [ 1093.339089][ T30] audit: type=1800 audit(1662414174.027:1493): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51503 res=0 errno=0
  56. [ 1093.350275][ T30] audit: type=1800 audit(1662414174.037:1494): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51504 res=0 errno=0
  57. [ 1093.865957][ T30] audit: type=1800 audit(1662414174.547:1495): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=51505 res=0 errno=0
  58. [ 1093.870563][ T30] audit: type=1800 audit(1662414174.557:1496): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=52246 res=0 errno=0
  59. [ 1093.875385][ T30] audit: type=1800 audit(1662414174.557:1497): pid=19899 uid=0 auid=0 ses=4 subj=unconfined op=collect_data cause=failed comm="syz-executor.1" name="UDC" dev="configfs" ino=52247 res=0 errno=0
  60. 21:42:54 executing program 1:
  61. syz_attach_gadget(&(0x7f0000000000)={0x310, 0x0, 0x0, 0x0, 0x28, 0x1df7, 0x2500, 0x0, 0xe0, 0x58, 0x1, [{0xb, @midi_null_attr}]}, 0x1)
  62.  
  63. [ 1094.257345][ T2957] usb 2-1: new high-speed USB device number 4 using dummy_hcd
  64. [ 1095.585056][ T2957] usb 2-1: Dual-Role OTG device on HNP port
  65. [ 1095.597391][ T2957] usb 2-1: New USB device found, idVendor=1df7, idProduct=2500, bcdDevice= 0.00
  66. [ 1095.602070][ T2957] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  67. [ 1095.618597][ T2957] usb 2-1: Product: Bar Gadget
  68. [ 1095.621335][ T2957] usb 2-1: Manufacturer: Foo Inc.
  69. [ 1095.624205][ T2957] usb 2-1: SerialNumber: 12345678
  70. [ 1095.772569][ T2957] msi2500 2-1:1.0: Registered as swradio16
  71. [ 1095.775187][ T2957] msi2500 2-1:1.0: SDR API is still slightly experimental and functionality changes may follow
  72. [ 1095.854388][ T2957] msi2500 2-1:1.1: Registered as swradio17
  73. [ 1095.861649][ T2957] msi2500 2-1:1.1: SDR API is still slightly experimental and functionality changes may follow
  74. durationWaitTime: 1.6s
  75. durationWaitTime: 3.2s
  76. [ 1118.217520][T18451] msi2500 2-1:1.0: failed -32, cmd 41, data 0e09
  77. [ 1118.218701][T18451] spi_master spi0: failed to transfer one message from queue
  78. [ 1118.237420][T18451] msi2500 2-1:1.0: failed -32, cmd 41, data 608008
  79. [ 1118.238703][T18451] usb 2-1: selecting invalid altsetting 1
  80. [ 1118.267628][T18451] msi2500 2-1:1.0: failed -32, cmd 43, data 0000
  81. [ 1118.284551][T18451] ------------[ cut here ]------------
  82. [ 1118.297167][T18451] WARNING: CPU: 1 PID: 18451 at drivers/media/common/videobuf2/videobuf2-core.c:1612 vb2_start_streaming+0x246/0x4c0
  83. [ 1118.298412][T18451] Modules linked in:
  84. [ 1118.298778][T18451] CPU: 1 PID: 18451 Comm: syz-fuzzer Not tainted 6.0.0-rc4+ #20
  85. [ 1118.299455][T18451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  86. [ 1118.300320][T18451] RIP: 0010:vb2_start_streaming+0x246/0x4c0
  87. [ 1118.300872][T18451] Code: 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 04 02 00 00 48 8b 83 60 02 00 00 48 39 c5 74 0c e8 9a 5a 63 fb <0f> 0b eb 03 45 31 e4 e8 8e 5a 63 fb 44 89 e0 48 83 c4 10 5b 5d 41
  88. [ 1118.302678][T18451] RSP: 0018:ffffc9001457fb18 EFLAGS: 00010246
  89. [ 1118.303294][T18451] RAX: 0000000000000000 RBX: ffff88804eb987f0 RCX: ffff88801ab91d40
  90. [ 1118.304071][T18451] RDX: 0000000000000000 RSI: ffff88801ab91d40 RDI: 0000000000000002
  91. [ 1118.304842][T18451] RBP: ffff88804eb98a50 R08: ffffffff86178d96 R09: 0000000000000000
  92. [ 1118.320141][T18451] R10: 0000000000000005 R11: ffffed1009d73149 R12: 00000000ffffffe0
  93. [ 1118.323351][T18451] R13: 0000000000000000 R14: 0000000000000008 R15: 0000000000000008
  94. [ 1118.336363][T18451] FS: 000000c001d53090(0000) GS:ffff88807ec00000(0000) knlGS:0000000000000000
  95. [ 1118.338192][T18451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  96. [ 1118.338909][T18451] CR2: 00007f620c0431a8 CR3: 000000001d598000 CR4: 0000000000350ee0
  97. [ 1118.339732][T18451] Call Trace:
  98. [ 1118.340105][T18451] <TASK>
  99. [ 1118.340442][T18451] ? __sanitizer_cov_trace_pc+0x1a/0x40
  100. [ 1118.341062][T18451] ? vb2_core_qbuf+0x412/0x13f0
  101. [ 1118.341643][T18451] vb2_core_streamon+0x1da/0x2c0
  102. [ 1118.342205][T18451] __vb2_init_fileio+0xa18/0xcf0
  103. [ 1118.342760][T18451] ? vb2_vmalloc_dmabuf_ops_vmap+0xc0/0xc0
  104. [ 1118.343420][T18451] vb2_core_poll+0x4d2/0x7c0
  105. [ 1118.343976][T18451] vb2_poll+0x31/0x150
  106. [ 1118.344449][T18451] vb2_fop_poll+0x10e/0x360
  107. [ 1118.344979][T18451] ? vb2_fop_release+0xc0/0xc0
  108. [ 1118.345543][T18451] v4l2_poll+0x158/0x220
  109. [ 1118.345985][T18451] ? v4l2_mmap+0x280/0x280
  110. [ 1118.346428][T18451] ep_item_poll.isra.0+0xd8/0x170
  111. [ 1118.348064][T18451] do_epoll_ctl+0x1bc4/0x3080
  112. [ 1118.348582][T18451] ? get_epoll_tfile_raw_ptr+0x1c0/0x1c0
  113. [ 1118.349142][T18451] ? ep_poll_safewake+0x1e0/0x1e0
  114. [ 1118.349699][T18451] ? __x64_sys_epoll_ctl+0x13f/0x1c0
  115. [ 1118.350227][T18451] __x64_sys_epoll_ctl+0x13f/0x1c0
  116. [ 1118.350742][T18451] ? __ia32_sys_epoll_ctl+0x1c0/0x1c0
  117. [ 1118.360146][T18451] ? syscall_enter_from_user_mode+0x22/0xb0
  118. [ 1118.360856][T18451] do_syscall_64+0x35/0x80
  119. [ 1118.372586][T18451] entry_SYSCALL_64_after_hwframe+0x63/0xcd
  120. [ 1118.373385][T18451] RIP: 0033:0x466938
  121. [ 1118.373878][T18451] Code: 10 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 8b 7c 24 08 8b 74 24 0c 8b 54 24 10 4c 8b 54 24 18 b8 e9 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 44
  122. [ 1118.390991][T18451] RSP: 002b:000000c0042bda88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e9
  123. [ 1118.392016][T18451] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000466938
  124. [ 1118.392911][T18451] RDX: 000000000000002d RSI: 0000000000000001 RDI: 0000000000000003
  125. [ 1118.393777][T18451] RBP: 000000c0042bdad8 R08: 0000000000000000 R09: 0000000000000060
  126. [ 1118.402692][T18451] R10: 000000c0042bdac4 R11: 0000000000000206 R12: 0000000000203000
  127. [ 1118.403566][T18451] R13: 0000000000000050 R14: 000000c000092340 R15: 00007f94d7f54c87
  128. [ 1118.404439][T18451] </TASK>
  129. [ 1118.404788][T18451] Kernel panic - not syncing: panic_on_warn set ...
  130. [ 1118.405524][T18451] CPU: 1 PID: 18451 Comm: syz-fuzzer Not tainted 6.0.0-rc4+ #20
  131. [ 1118.406314][T18451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  132. [ 1118.407345][T18451] Call Trace:
  133. [ 1118.407715][T18451] <TASK>
  134. [ 1118.408062][T18451] dump_stack_lvl+0xcd/0x134
  135. [ 1118.408608][T18451] panic+0x2d7/0x636
  136. [ 1118.409084][T18451] ? panic_print_sys_info.part.0+0x10b/0x10b
  137. [ 1118.409781][T18451] ? __warn.cold+0x248/0x2c4
  138. [ 1118.410303][T18451] ? vb2_start_streaming+0x246/0x4c0
  139. [ 1118.410903][T18451] __warn.cold+0x259/0x2c4
  140. [ 1118.411426][T18451] ? vb2_start_streaming+0x246/0x4c0
  141. [ 1118.425790][T18451] report_bug+0x272/0x300
  142. [ 1118.426281][T18451] handle_bug+0x3c/0x60
  143. [ 1118.426760][T18451] exc_invalid_op+0x14/0x40
  144. [ 1118.427341][T18451] asm_exc_invalid_op+0x16/0x20
  145. [ 1118.427890][T18451] RIP: 0010:vb2_start_streaming+0x246/0x4c0
  146. [ 1118.428560][T18451] Code: 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 04 02 00 00 48 8b 83 60 02 00 00 48 39 c5 74 0c e8 9a 5a 63 fb <0f> 0b eb 03 45 31 e4 e8 8e 5a 63 fb 44 89 e0 48 83 c4 10 5b 5d 41
  147. [ 1118.430898][T18451] RSP: 0018:ffffc9001457fb18 EFLAGS: 00010246
  148. [ 1118.431699][T18451] RAX: 0000000000000000 RBX: ffff88804eb987f0 RCX: ffff88801ab91d40
  149. [ 1118.446671][T18451] RDX: 0000000000000000 RSI: ffff88801ab91d40 RDI: 0000000000000002
  150. [ 1118.447528][T18451] RBP: ffff88804eb98a50 R08: ffffffff86178d96 R09: 0000000000000000
  151. [ 1118.449995][T18451] R10: 0000000000000005 R11: ffffed1009d73149 R12: 00000000ffffffe0
  152. [ 1118.450815][T18451] R13: 0000000000000000 R14: 0000000000000008 R15: 0000000000000008
  153. [ 1118.451692][T18451] ? vb2_start_streaming+0x246/0x4c0
  154. [ 1118.452319][T18451] ? vb2_start_streaming+0x246/0x4c0
  155. [ 1118.452915][T18451] ? __sanitizer_cov_trace_pc+0x1a/0x40
  156. [ 1118.454380][T18451] ? vb2_core_qbuf+0x412/0x13f0
  157. [ 1118.457062][T18451] vb2_core_streamon+0x1da/0x2c0
  158. [ 1118.459593][T18451] __vb2_init_fileio+0xa18/0xcf0
  159. [ 1118.462964][T18451] ? vb2_vmalloc_dmabuf_ops_vmap+0xc0/0xc0
  160. [ 1118.466053][T18451] vb2_core_poll+0x4d2/0x7c0
  161. [ 1118.468600][T18451] vb2_poll+0x31/0x150
  162. [ 1118.469493][T18451] vb2_fop_poll+0x10e/0x360
  163. [ 1118.469997][T18451] ? vb2_fop_release+0xc0/0xc0
  164. [ 1118.470490][T18451] v4l2_poll+0x158/0x220
  165. [ 1118.470935][T18451] ? v4l2_mmap+0x280/0x280
  166. [ 1118.471391][T18451] ep_item_poll.isra.0+0xd8/0x170
  167. [ 1118.471939][T18451] do_epoll_ctl+0x1bc4/0x3080
  168. [ 1118.472467][T18451] ? get_epoll_tfile_raw_ptr+0x1c0/0x1c0
  169. [ 1118.473056][T18451] ? ep_poll_safewake+0x1e0/0x1e0
  170. [ 1118.473637][T18451] ? __x64_sys_epoll_ctl+0x13f/0x1c0
  171. [ 1118.474184][T18451] __x64_sys_epoll_ctl+0x13f/0x1c0
  172. [ 1118.474712][T18451] ? __ia32_sys_epoll_ctl+0x1c0/0x1c0
  173. [ 1118.475272][T18451] ? syscall_enter_from_user_mode+0x22/0xb0
  174. [ 1118.475892][T18451] do_syscall_64+0x35/0x80
  175. [ 1118.476369][T18451] entry_SYSCALL_64_after_hwframe+0x63/0xcd
  176. [ 1118.476976][T18451] RIP: 0033:0x466938
  177. [ 1118.481394][T18451] Code: 10 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 8b 7c 24 08 8b 74 24 0c 8b 54 24 10 4c 8b 54 24 18 b8 e9 00 00 00 0f 05 <89> 44 24 20 c3 cc cc cc 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 44
  178. [ 1118.491587][T18451] RSP: 002b:000000c0042bda88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e9
  179. [ 1118.494954][T18451] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000466938
  180. [ 1118.500084][T18451] RDX: 000000000000002d RSI: 0000000000000001 RDI: 0000000000000003
  181. [ 1118.504261][T18451] RBP: 000000c0042bdad8 R08: 0000000000000000 R09: 0000000000000060
  182. [ 1118.511202][T18451] R10: 000000c0042bdac4 R11: 0000000000000206 R12: 0000000000203000
  183. [ 1118.514099][T18451] R13: 0000000000000050 R14: 000000c000092340 R15: 00007f94d7f54c87
  184. [ 1118.516461][T18451] </TASK>
  185. [ 1118.517948][T18451] Kernel Offset: disabled
  186. [ 1118.520967][T18451] Rebooting in 86400 seconds..
  187.  
  188. VM DIAGNOSIS:
  189. 05:43:19 Registers:
  190. info registers vcpu 0
  191. RAX=0000000000000000 RBX=0000000000000002 RCX=0000000000000001 RDX=0000000000000000
  192. RSI=0000000000000001 RDI=0000000000000000 RBP=ffffffff8a285ec0 RSP=ffffc900003dfb00
  193. R8 =0000000000000000 R9 =fffffbfff1d34743 R10=ffffffff8e9a3a17 R11=fffffbfff1d34742
  194. R12=0000000000000000 R13=ffffffff89cc96c0 R14=00000000ffffffff R15=ffff888012416220
  195. RIP=ffffffff896bb51e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
  196. ES =0000 0000000000000000 00000000 00000000
  197. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  198. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  199. DS =0000 0000000000000000 00000000 00000000
  200. FS =0000 0000000000000000 00000000 00000000
  201. GS =0000 ffff88802cc00000 00000000 00000000
  202. LDT=0000 fffffe0000000000 00000000 00000000
  203. TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
  204. GDT= fffffe0000001000 0000007f
  205. IDT= fffffe0000000000 00000fff
  206. CR0=80050033 CR2=00007fd97c982018 CR3=0000000015721000 CR4=00350ef0
  207. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  208. DR6=00000000ffff0ff0 DR7=0000000000000400
  209. EFER=0000000000000d01
  210. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  211. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  212. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  213. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  214. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  215. XMM00=00000000000000000000000000000000 XMM01=5596744097931184ae45d77f4adaf05e
  216. XMM02=a1fcdcf819d7e1e50000000000021020 XMM03=ac8bc31478ec85110000000000024c70
  217. XMM04=ec21ff68b6c1b5d40000000000126fd8 XMM05=8ca0b852b1c7c8e10000000000021078
  218. XMM06=5837fe9dc1c91f320000000000020fc8 XMM07=6c53c8a055d58a81000000000001c300
  219. XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000
  220. XMM10=00000000000000000020202000200000 XMM11=00000000000000000000000000000000
  221. XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
  222. XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
  223. info registers vcpu 1
  224. RAX=0000000080000002 RBX=0000000000000039 RCX=ffff88801ab91d40 RDX=0000000000000000
  225. RSI=ffff88801ab91d40 RDI=0000000000000002 RBP=ffffffff916c1f00 RSP=ffffc9001457f4c8
  226. R8 =ffffffff84632480 R9 =0000000000000010 R10=0000000000000004 R11=ffffed1002d22046
  227. R12=ffffffff913b7d08 R13=0000000000000008 R14=0000000000000000 R15=0000000000000010
  228. RIP=ffffffff817ae7c7 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
  229. ES =0000 0000000000000000 00000000 00000000
  230. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  231. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  232. DS =0000 0000000000000000 00000000 00000000
  233. FS =0000 000000c001d53090 00000000 00000000
  234. GS =0000 ffff88807ec00000 00000000 00000000
  235. LDT=0000 fffffe0000000000 00000000 00000000
  236. TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
  237. GDT= fffffe0000048000 0000007f
  238. IDT= fffffe0000000000 00000fff
  239. CR0=80050033 CR2=000000c0037f1000 CR3=000000001d598000 CR4=00350ee0
  240. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  241. DR6=00000000ffff0ff0 DR7=0000000000000400
  242. EFER=0000000000000d01
  243. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  244. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  245. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  246. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  247. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  248. XMM00=00000000000000000000006170002e2e XMM01=0000756f662b74736f6c002f2e2f002f
  249. XMM02=ffffffffffffffffffffff0f0e0d0c0b XMM03=0000000000000000000000ff000000ff
  250. XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=0000000063166d760000000036b32046
  251. XMM06=0000000063166d760000000036b32046 XMM07=00000000000000000000000036b32046
  252. XMM08=00306970733a72657473616d5f697073 XMM09=00000000000000000000000000000000
  253. XMM10=00000000000000000020202000200000 XMM11=00000000000000000000000000000000
  254. XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
  255. XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
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