Extracting prog: 4m47.466765064s Minimizing prog: 1h23m27.247461795s Simplifying prog options: 0s Extracting C: 26.495069358s Simplifying C: 12m41.366255312s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {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}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-write$FUSE_GETXATTR-write$FUSE_INIT-mount$9p_fd-openat-read$FUSE detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r3, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r3, &(0x7f00000000c0)={0x18}, 0x18) write$FUSE_INIT(r3, &(0x7f0000000200)={0x50}, 0x50) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x40800, 0x0) read$FUSE(r4, &(0x7f0000002ac0)={0x2020}, 0x2020) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree single: successfully extracted reproducer found reproducer with 13 syscalls minimizing guilty program testing program (duration=6m0s, {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}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-write$FUSE_GETXATTR-write$FUSE_INIT-mount$9p_fd-openat detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r3, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r3, &(0x7f00000000c0)={0x18}, 0x18) write$FUSE_INIT(r3, &(0x7f0000000200)={0x50}, 0x50) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x40800, 0x0) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-write$FUSE_GETXATTR-write$FUSE_INIT-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r3, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r3, &(0x7f00000000c0)={0x18}, 0x18) write$FUSE_INIT(r3, &(0x7f0000000200)={0x50}, 0x50) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-write$FUSE_GETXATTR-write$FUSE_INIT detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r2, &(0x7f00000000c0)={0x18}, 0x18) write$FUSE_INIT(r2, &(0x7f0000000200)={0x50}, 0x50) program did not crash testing program (duration=6m0s, {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}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-write$FUSE_GETXATTR-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r3, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) write$FUSE_GETXATTR(r3, &(0x7f00000000c0)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) write$FUSE_DIRENTPLUS(r3, &(0x7f00000003c0)=ANY=[@ANYBLOB="b0"], 0xb0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-write$P9_RVERSION-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-pipe2$9p-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-mknodat-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r1 = dup(0xffffffffffffffff) write$FUSE_BMAP(r1, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r1}}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mmap$xdp-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r3 = dup(r2) write$FUSE_BMAP(r3, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r3}}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: socket$xdp(0x2c, 0x3, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program did not crash testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(0x0, 0x0) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, 0x0, 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program did not crash testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program did not crash testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program did not crash testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program did not crash testing program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree simplifying C reproducer testing compiled C program (duration=6m0s, {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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18}, 0x18) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) program crashed: UBSAN: shift-out-of-bounds in v9fs_get_tree validation run: crashed=true reproducing took 1h44m45.16215529s repro crashed as (corrupted=false): ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/9p/vfs_super.c:57:22 shift exponent 32 is too large for 32-bit type 'int' CPU: 0 UID: 0 PID: 6031 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:494 v9fs_fill_super fs/9p/vfs_super.c:57 [inline] v9fs_get_tree+0x957/0xa90 fs/9p/vfs_super.c:125 vfs_get_tree+0x8f/0x2b0 fs/super.c:1752 do_new_mount+0x2a2/0xa30 fs/namespace.c:3810 do_mount fs/namespace.c:4138 [inline] __do_sys_mount fs/namespace.c:4349 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4326 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f74a6f8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeccadc7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f74a71b5fa0 RCX: 00007f74a6f8ebe9 RDX: 0000200000000080 RSI: 00002000000002c0 RDI: 0000000000000000 RBP: 00007f74a7011e19 R08: 0000200000000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f74a71b5fa0 R14: 00007f74a71b5fa0 R15: 0000000000000005 ---[ end trace ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/9p/vfs_super.c:57:22 shift exponent 32 is too large for 32-bit type 'int' CPU: 0 UID: 0 PID: 6031 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:494 v9fs_fill_super fs/9p/vfs_super.c:57 [inline] v9fs_get_tree+0x957/0xa90 fs/9p/vfs_super.c:125 vfs_get_tree+0x8f/0x2b0 fs/super.c:1752 do_new_mount+0x2a2/0xa30 fs/namespace.c:3810 do_mount fs/namespace.c:4138 [inline] __do_sys_mount fs/namespace.c:4349 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4326 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f74a6f8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeccadc7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f74a71b5fa0 RCX: 00007f74a6f8ebe9 RDX: 0000200000000080 RSI: 00002000000002c0 RDI: 0000000000000000 RBP: 00007f74a7011e19 R08: 0000200000000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f74a71b5fa0 R14: 00007f74a71b5fa0 R15: 0000000000000005 ---[ end trace ]---