Extracting prog: 38.768550834s
Minimizing prog: 9m32.543880224s
Simplifying prog options: 5m56.829956415s
Extracting C: 2m7.017051161s
Simplifying C: 0s
extracting reproducer from 92 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000004080)={{r0}, &(0x7f0000004000), &(0x7f0000004040)}, 0x20)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={r1, 0x2000000, 0xe, 0x0, &(0x7f00000004c0)="630b008646dc3f0adf33c9f7b986", 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x2}, 0x50)
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$eJzs3M9rE1sUwPGTNE3TlDZZPB68J9KLbnQztHEvBGlBDCi1EX+AMG0mGjImIRMqEbFx5dZ/w9BldwWtf0A37ly5ETfdCG4CWkeSmdikTtskNU1Kvh8o92TuPTNzeyfhJDCze/f1k2za0tJ6SfwhJX6RiuyJROtRK5/4nCbovA45TUUuT337eF6JSDyRWFhSajG+fCWmlJqZffv0+caF7dLUnc2ZrQnZiT7c/Rr7vPPvzn+7P5cfZyyVsVQuX1K6Wsl/KukrpqFSGSurKXXLNHTLUJmcZRSd/nzJPawUCmWl51LT4ULRsCyl58oqa5RVKa9KxbLSH+mZnNI0TU2HZXTUZhtNodu8ZHVpSY/3eNDVHvPw120f2VssNt887+32nmS1f+cEAACGlWf9X2uv/31u62+t/10VqdTr/9v37t/ooP7fCh5S/+ePrf8b/WkzT/3fq9Cfm5LVsd7rf5wRxUmR6obsv6NfPtiYawTU/wAAAAAAAAAAAAAAAAAAAAAAnAU1247YtvhF7Ihf6rHzN+HeMNJ8PejzRH/U3PVttrYdqK866z8iWm7cC4mYr9aSa0mndfrjacmIKYbMSUR+NK4HlxMvXk8s+FRDVN6Z627++lpyrD1/XiIS9c6fd/JVe/64hFvzYxKRf7zzY575Qbl0sSVfk4h8WJW8mJJqXNf7+S/mlbp2M3Egf1JSHnfMAQAAAABwFmnqN8/v75p2WL+T38nvA3Oe388D8n9gsHMHAAAAAGBUWOVnWd00jeKxwRs349jBX9yBHe/5pMF4F7PoLvD1bc8nDZrPZO4+3f15Zn0YZjE0QfCIMYH6Rd+yJXzofmbG3FXp+OgT7lOZ61v27ANjrm6e+z64f8upfxQBAAAA6LP9on/QZwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwOg6jceJDXqOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwLD4FQAA///GbRru")
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000004080)={{r0}, &(0x7f0000004000), &(0x7f0000004040)}, 0x20)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={r1, 0x2000000, 0xe, 0x0, &(0x7f00000004c0)="630b008646dc3f0adf33c9f7b986", 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x2}, 0x50)
program did not crash
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$PROG_LOAD-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000004080)={{r0}, &(0x7f0000004000), &(0x7f0000004040)}, 0x20)
bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_UPDATE_ELEM_TAIL_CALL-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000004080)={{r0}, &(0x7f0000004000), &(0x7f0000004040)}, 0x20)
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-bpf$PROG_LOAD-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$eJzs28tvVNUfAPDvvX0APx7tD/EBolaJSaOxpQWVhRuNJsZgNNEFLms7kIaBGlqNIJFijCsTQ6Jr49LoX+DOmBh1ZeLWlStDQpQN4Krm3rkXptMOpTDl1s7nk9yZc+49M+d8577OnDMTQNcayh6SiG0R8XtEDDSyiwsMNZ6uXj47ee3y2ckkFhbe+CvJy125fHayLFq+bmuRGU4j0o+TopLFZk+fOT5Rr9dOFfnRuRPvjM6ePvPUeycmjtWO1U6OHzp08MDYs8+MP92ROLO4ruz5cGbv7pffuvDq5JELb//8bdbebcX25jg6ZSgL/O+FXOu2xztdWcW2N6WT3gobwqr0RES2u/ry838geuLGzhuIlz6qtHHAmsruTZvab55fADawJKpuAVCN8kafff8tl7vU9VgXLj3f+AKUxX21WBpbeiMtyvS1fL/tpKGIODL/z5fZEms0DgEA0OzTyS8O90fEB9e+eSXrewxERDkedF/++Ef+uKOYQxmMiP9HxM6IuCcidkXEvUXZ+yPigdVV39O6Ymn/J714u7Hdiqz/91wxt7W4/1f2/mKwp8htz+PvS45O12v7i89kOPo2Zfmxm9Tx/Yu/fdZuW3P/L1uy+su+YNGOi70tA3RTE3MTeae0Ay6dj9jTu1z8yfWZgCQidkfEntW99Y4yMf3E13vbFVo5/pvowDzTwldZePNZ/PPREn8paZ6fnF4yPzm6Oeq1/aPlUbHUL79+8nq7+u8o/g64VGs8N+3/1iKDSfN87Wxn67/N4z/tT97M55n7i3XvT8zNnRqL6E8O5/lF68dvvLbMl+Wz43943/Ln/87iNVn8D0ZEdhA/FBEPR8QjRdsfjYjHImLfTWL86YWV44+0ov1/PmJq2evf9eO/Zf+vPtFz/Mfv2tV/a/v/YJ4aLtbk178VLNec7HLR2sA7+ewAAADgvyLNfwOfpCPX02k6MtL4Df+u+F9an5mde/LozLsnpxq/lR+MvrQc6RooxkPr0/XaWDJfvGNjfHS8GCsux0sPFOPGn/dsyfMjkzP1qYpjh263tc35n/lzyewMsMFsWXbteP9dbwhQgdZ59HRx9txr4WIAG5X/a0P3WuH8b/4fDLDBuP9D91ru/D/XkjcXABuT+z90L+c/dKn0h6pbAFTI/R+60p38r38NE5vXRzOqSazXnZInIspEui7aI7FGiaqvTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ3xbwAAAP//0Irmjg==")
program crashed: possible deadlock in ext4_writepages
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-bpf$MAP_CREATE-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0a00000004000000ff0f000007"], 0x48)
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$eJzs28tvVNUfAPDvvX0APx7tD/EBolaJSaOxpQWVhRuNJsZgNNEFLms7kIaBGlqNIJFijCsTQ6Jr49LoX+DOmBh1ZeLWlStDQpQN4Krm3rkXptMOpTDl1s7nk9yZc+49M+d8577OnDMTQNcayh6SiG0R8XtEDDSyiwsMNZ6uXj47ee3y2ckkFhbe+CvJy125fHayLFq+bmuRGU4j0o+TopLFZk+fOT5Rr9dOFfnRuRPvjM6ePvPUeycmjtWO1U6OHzp08MDYs8+MP92ROLO4ruz5cGbv7pffuvDq5JELb//8bdbebcX25jg6ZSgL/O+FXOu2xztdWcW2N6WT3gobwqr0RES2u/ry838geuLGzhuIlz6qtHHAmsruTZvab55fADawJKpuAVCN8kafff8tl7vU9VgXLj3f+AKUxX21WBpbeiMtyvS1fL/tpKGIODL/z5fZEms0DgEA0OzTyS8O90fEB9e+eSXrewxERDkedF/++Ef+uKOYQxmMiP9HxM6IuCcidkXEvUXZ+yPigdVV39O6Ymn/J714u7Hdiqz/91wxt7W4/1f2/mKwp8htz+PvS45O12v7i89kOPo2Zfmxm9Tx/Yu/fdZuW3P/L1uy+su+YNGOi70tA3RTE3MTeae0Ay6dj9jTu1z8yfWZgCQidkfEntW99Y4yMf3E13vbFVo5/pvowDzTwldZePNZ/PPREn8paZ6fnF4yPzm6Oeq1/aPlUbHUL79+8nq7+u8o/g64VGs8N+3/1iKDSfN87Wxn67/N4z/tT97M55n7i3XvT8zNnRqL6E8O5/lF68dvvLbMl+Wz43943/Ln/87iNVn8D0ZEdhA/FBEPR8QjRdsfjYjHImLfTWL86YWV44+0ov1/PmJq2evf9eO/Zf+vPtFz/Mfv2tV/a/v/YJ4aLtbk178VLNec7HLR2sA7+ewAAADgvyLNfwOfpCPX02k6MtL4Df+u+F9an5mde/LozLsnpxq/lR+MvrQc6RooxkPr0/XaWDJfvGNjfHS8GCsux0sPFOPGn/dsyfMjkzP1qYpjh263tc35n/lzyewMsMFsWXbteP9dbwhQgdZ59HRx9txr4WIAG5X/a0P3WuH8b/4fDLDBuP9D91ru/D/XkjcXABuT+z90L+c/dKn0h6pbAFTI/R+60p38r38NE5vXRzOqSazXnZInIspEui7aI7FGiaqvTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ3xbwAAAP//0Irmjg==")
program crashed: possible deadlock in ext4_writepages
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x2000840, &(0x7f0000000240)=ANY=[], 0x3c, 0x2e2, &(0x7f0000000e40)="$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")
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
testing program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
extracting C reproducer
testing compiled C program (duration=45.512636847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program did not crash
simplifying guilty program options
testing program (duration=45.512636847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
extracting C reproducer
testing compiled C program (duration=45.512636847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program did not crash
testing program (duration=45.512636847s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$eJzs28tvVNUfAPDvvX0APx7tD/EBolaJSaOxpQWVhRuNJsZgNNEFLms7kIaBGlqNIJFijCsTQ6Jr49LoX+DOmBh1ZeLWlStDQpQN4Krm3rkXptMOpTDl1s7nk9yZc+49M+d8577OnDMTQNcayh6SiG0R8XtEDDSyiwsMNZ6uXj47ee3y2ckkFhbe+CvJy125fHayLFq+bmuRGU4j0o+TopLFZk+fOT5Rr9dOFfnRuRPvjM6ePvPUeycmjtWO1U6OHzp08MDYs8+MP92ROLO4ruz5cGbv7pffuvDq5JELb//8bdbebcX25jg6ZSgL/O+FXOu2xztdWcW2N6WT3gobwqr0RES2u/ry838geuLGzhuIlz6qtHHAmsruTZvab55fADawJKpuAVCN8kafff8tl7vU9VgXLj3f+AKUxX21WBpbeiMtyvS1fL/tpKGIODL/z5fZEms0DgEA0OzTyS8O90fEB9e+eSXrewxERDkedF/++Ef+uKOYQxmMiP9HxM6IuCcidkXEvUXZ+yPigdVV39O6Ymn/J714u7Hdiqz/91wxt7W4/1f2/mKwp8htz+PvS45O12v7i89kOPo2Zfmxm9Tx/Yu/fdZuW3P/L1uy+su+YNGOi70tA3RTE3MTeae0Ay6dj9jTu1z8yfWZgCQidkfEntW99Y4yMf3E13vbFVo5/pvowDzTwldZePNZ/PPREn8paZ6fnF4yPzm6Oeq1/aPlUbHUL79+8nq7+u8o/g64VGs8N+3/1iKDSfN87Wxn67/N4z/tT97M55n7i3XvT8zNnRqL6E8O5/lF68dvvLbMl+Wz43943/Ln/87iNVn8D0ZEdhA/FBEPR8QjRdsfjYjHImLfTWL86YWV44+0ov1/PmJq2evf9eO/Zf+vPtFz/Mfv2tV/a/v/YJ4aLtbk178VLNec7HLR2sA7+ewAAADgvyLNfwOfpCPX02k6MtL4Df+u+F9an5mde/LozLsnpxq/lR+MvrQc6RooxkPr0/XaWDJfvGNjfHS8GCsux0sPFOPGn/dsyfMjkzP1qYpjh263tc35n/lzyewMsMFsWXbteP9dbwhQgdZ59HRx9txr4WIAG5X/a0P3WuH8b/4fDLDBuP9D91ru/D/XkjcXABuT+z90L+c/dKn0h6pbAFTI/R+60p38r38NE5vXRzOqSazXnZInIspEui7aI7FGiaqvTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ3xbwAAAP//0Irmjg==")
program crashed: possible deadlock in ext4_writepages
extracting C reproducer
testing compiled C program (duration=45.512636847s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program did not crash
testing program (duration=45.512636847s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
validation run: crashed=true
testing program (duration=45.512636847s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
validation run: crashed=true
testing program (duration=45.512636847s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800700, &(0x7f00000007c0)={[{@nodioread_nolock}, {@errors_remount}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nouid32}, {@resgid}, {@acl}, {@init_itable_val={'init_itable', 0x3d, 0x3}}]}, 0x1, 0x472, &(0x7f0000000200)="$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")
program crashed: possible deadlock in ext4_writepages
validation run: crashed=true
reproducing took 20m48.185184597s
repro crashed as (corrupted=false):
syz.0.17[5946]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 512
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5946 is trying to acquire lock:
ffff8880491dabd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ffff8880491dabd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
but task is already holding lock:
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline]
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:6007 [inline]
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3dc/0x6e0 fs/ext4/inode.c:6088
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&ei->xattr_sem){++++}-{3:3}:
down_read+0x46/0x2e0 kernel/locking/rwsem.c:1520
ext4_setattr+0x86b/0x1c90 fs/ext4/inode.c:5490
notify_change+0xb0d/0xe10 fs/attr.c:499
chown_common+0x3f9/0x5a0 fs/open.c:783
do_fchownat+0x168/0x270 fs/open.c:814
__do_sys_chown fs/open.c:834 [inline]
__se_sys_chown fs/open.c:832 [inline]
__x64_sys_chown+0x82/0x90 fs/open.c:832
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (jbd2_handle){++++}-{0:0}:
start_this_handle+0x1e9d/0x20c0 fs/jbd2/transaction.c:448
jbd2__journal_start+0x2bb/0x5b0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x203/0x570 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_do_writepages+0xf92/0x38d0 fs/ext4/inode.c:2701
ext4_writepages+0x1a8/0x2f0 fs/ext4/inode.c:2807
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1926
__writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:1997
wb_writeback+0x464/0xba0 fs/fs-writeback.c:2107
wb_check_old_data_flush fs/fs-writeback.c:2211 [inline]
wb_do_writeback fs/fs-writeback.c:2264 [inline]
wb_workfn+0xabc/0xe20 fs/fs-writeback.c:2292
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
-> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
percpu_down_read+0x44/0x1a0 include/linux/percpu-rwsem.h:51
ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1756
write_inode_now+0x161/0x1e0 fs/fs-writeback.c:2802
iput_final fs/inode.c:1807 [inline]
iput+0x5b2/0x920 fs/inode.c:1846
ext4_xattr_block_set+0x273a/0x32a0 fs/ext4/xattr.c:2211
ext4_xattr_move_to_block fs/ext4/xattr.c:2679 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2754 [inline]
ext4_expand_extra_isize_ea+0x10ea/0x19e0 fs/ext4/xattr.c:2846
__ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5967
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6010 [inline]
__ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6088
ext4_evict_inode+0x7ed/0xea0 fs/ext4/inode.c:252
evict+0x486/0x870 fs/inode.c:705
ext4_orphan_cleanup+0xbd4/0x1400 fs/ext4/orphan.c:470
__ext4_fill_super fs/ext4/super.c:5601 [inline]
ext4_fill_super+0x5de4/0x66c0 fs/ext4/super.c:5724
get_tree_bdev+0x3e4/0x510 fs/super.c:1591
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
&sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ei->xattr_sem);
lock(jbd2_handle);
lock(&ei->xattr_sem);
rlock(&sbi->s_writepages_rwsem);
*** DEADLOCK ***
3 locks held by syz.0.17/5946:
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: get_tree_bdev+0x344/0x510 fs/super.c:1589
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1633 [inline]
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1755 [inline]
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2b9/0xea0 fs/ext4/inode.c:213
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline]
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:6007 [inline]
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3dc/0x6e0 fs/ext4/inode.c:6088
stack backtrace:
CPU: 1 PID: 5946 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
check_noncircular+0x2bd/0x3c0 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
percpu_down_read+0x44/0x1a0 include/linux/percpu-rwsem.h:51
ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1756
write_inode_now+0x161/0x1e0 fs/fs-writeback.c:2802
iput_final fs/inode.c:1807 [inline]
iput+0x5b2/0x920 fs/inode.c:1846
ext4_xattr_block_set+0x273a/0x32a0 fs/ext4/xattr.c:2211
ext4_xattr_move_to_block fs/ext4/xattr.c:2679 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2754 [inline]
ext4_expand_extra_isize_ea+0x10ea/0x19e0 fs/ext4/xattr.c:2846
__ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5967
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6010 [inline]
__ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6088
ext4_evict_inode+0x7ed/0xea0 fs/ext4/inode.c:252
evict+0x486/0x870 fs/inode.c:705
ext4_orphan_cleanup+0xbd4/0x1400 fs/ext4/orphan.c:470
__ext4_fill_super fs/ext4/super.c:5601 [inline]
ext4_fill_super+0x5de4/0x66c0 fs/ext4/super.c:5724
get_tree_bdev+0x3e4/0x510 fs/super.c:1591
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe9e6990eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc7f1d4078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc7f1d4100 RCX: 00007fe9e6990eea
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc7f1d40c0
RBP: 0000200000000180 R08: 00007ffc7f1d4100 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffc7f1d40c0 R14: 0000000000000472 R15: 000000000000002c
EXT4-fs error (device loop0): ext4_xattr_inode_iget:444: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256)
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2872: Unable to expand inode 15. Delete some EAs or run e2fsck.
EXT4-fs warning (device loop0): ext4_evict_inode:255: couldn't mark inode dirty (err -5)
EXT4-fs (loop0): 1 orphan inode deleted
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
final repro crashed as (corrupted=false):
syz.0.17[5946]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 512
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5946 is trying to acquire lock:
ffff8880491dabd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ffff8880491dabd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
but task is already holding lock:
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline]
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:6007 [inline]
ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3dc/0x6e0 fs/ext4/inode.c:6088
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&ei->xattr_sem){++++}-{3:3}:
down_read+0x46/0x2e0 kernel/locking/rwsem.c:1520
ext4_setattr+0x86b/0x1c90 fs/ext4/inode.c:5490
notify_change+0xb0d/0xe10 fs/attr.c:499
chown_common+0x3f9/0x5a0 fs/open.c:783
do_fchownat+0x168/0x270 fs/open.c:814
__do_sys_chown fs/open.c:834 [inline]
__se_sys_chown fs/open.c:832 [inline]
__x64_sys_chown+0x82/0x90 fs/open.c:832
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (jbd2_handle){++++}-{0:0}:
start_this_handle+0x1e9d/0x20c0 fs/jbd2/transaction.c:448
jbd2__journal_start+0x2bb/0x5b0 fs/jbd2/transaction.c:505
__ext4_journal_start_sb+0x203/0x570 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_do_writepages+0xf92/0x38d0 fs/ext4/inode.c:2701
ext4_writepages+0x1a8/0x2f0 fs/ext4/inode.c:2807
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_sb_inodes+0x77c/0xef0 fs/fs-writeback.c:1926
__writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:1997
wb_writeback+0x464/0xba0 fs/fs-writeback.c:2107
wb_check_old_data_flush fs/fs-writeback.c:2211 [inline]
wb_do_writeback fs/fs-writeback.c:2264 [inline]
wb_workfn+0xabc/0xe20 fs/fs-writeback.c:2292
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
-> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
percpu_down_read+0x44/0x1a0 include/linux/percpu-rwsem.h:51
ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1756
write_inode_now+0x161/0x1e0 fs/fs-writeback.c:2802
iput_final fs/inode.c:1807 [inline]
iput+0x5b2/0x920 fs/inode.c:1846
ext4_xattr_block_set+0x273a/0x32a0 fs/ext4/xattr.c:2211
ext4_xattr_move_to_block fs/ext4/xattr.c:2679 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2754 [inline]
ext4_expand_extra_isize_ea+0x10ea/0x19e0 fs/ext4/xattr.c:2846
__ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5967
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6010 [inline]
__ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6088
ext4_evict_inode+0x7ed/0xea0 fs/ext4/inode.c:252
evict+0x486/0x870 fs/inode.c:705
ext4_orphan_cleanup+0xbd4/0x1400 fs/ext4/orphan.c:470
__ext4_fill_super fs/ext4/super.c:5601 [inline]
ext4_fill_super+0x5de4/0x66c0 fs/ext4/super.c:5724
get_tree_bdev+0x3e4/0x510 fs/super.c:1591
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
other info that might help us debug this:
Chain exists of:
&sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ei->xattr_sem);
lock(jbd2_handle);
lock(&ei->xattr_sem);
rlock(&sbi->s_writepages_rwsem);
*** DEADLOCK ***
3 locks held by syz.0.17/5946:
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880491dc0e0 (&type->s_umount_key#31){++++}-{3:3}, at: get_tree_bdev+0x344/0x510 fs/super.c:1589
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1633 [inline]
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1755 [inline]
#1: ffff8880491dc608 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2b9/0xea0 fs/ext4/inode.c:213
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline]
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:6007 [inline]
#2: ffff888073f164c8 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x3dc/0x6e0 fs/ext4/inode.c:6088
stack backtrace:
CPU: 1 PID: 5946 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
check_noncircular+0x2bd/0x3c0 kernel/locking/lockdep.c:2187
check_prev_add kernel/locking/lockdep.c:3134 [inline]
check_prevs_add kernel/locking/lockdep.c:3253 [inline]
validate_chain kernel/locking/lockdep.c:3869 [inline]
__lock_acquire+0x2ddb/0x7c80 kernel/locking/lockdep.c:5137
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
percpu_down_read+0x44/0x1a0 include/linux/percpu-rwsem.h:51
ext4_writepages_down_read fs/ext4/ext4.h:1767 [inline]
ext4_writepages+0x170/0x2f0 fs/ext4/inode.c:2806
do_writepages+0x3a2/0x600 mm/page-writeback.c:2575
__writeback_single_inode+0x153/0xee0 fs/fs-writeback.c:1635
writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1756
write_inode_now+0x161/0x1e0 fs/fs-writeback.c:2802
iput_final fs/inode.c:1807 [inline]
iput+0x5b2/0x920 fs/inode.c:1846
ext4_xattr_block_set+0x273a/0x32a0 fs/ext4/xattr.c:2211
ext4_xattr_move_to_block fs/ext4/xattr.c:2679 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2754 [inline]
ext4_expand_extra_isize_ea+0x10ea/0x19e0 fs/ext4/xattr.c:2846
__ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5967
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6010 [inline]
__ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6088
ext4_evict_inode+0x7ed/0xea0 fs/ext4/inode.c:252
evict+0x486/0x870 fs/inode.c:705
ext4_orphan_cleanup+0xbd4/0x1400 fs/ext4/orphan.c:470
__ext4_fill_super fs/ext4/super.c:5601 [inline]
ext4_fill_super+0x5de4/0x66c0 fs/ext4/super.c:5724
get_tree_bdev+0x3e4/0x510 fs/super.c:1591
vfs_get_tree+0x8c/0x280 fs/super.c:1764
do_new_mount+0x24b/0xa40 fs/namespace.c:3386
do_mount fs/namespace.c:3726 [inline]
__do_sys_mount fs/namespace.c:3935 [inline]
__se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe9e6990eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc7f1d4078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc7f1d4100 RCX: 00007fe9e6990eea
RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc7f1d40c0
RBP: 0000200000000180 R08: 00007ffc7f1d4100 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffc7f1d40c0 R14: 0000000000000472 R15: 000000000000002c
EXT4-fs error (device loop0): ext4_xattr_inode_iget:444: inode #11: comm syz.0.17: iget: bad extra_isize 90 (inode size 256)
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2872: Unable to expand inode 15. Delete some EAs or run e2fsck.
EXT4-fs warning (device loop0): ext4_evict_inode:255: couldn't mark inode dirty (err -5)
EXT4-fs (loop0): 1 orphan inode deleted
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.