Extracting prog: 8m2.47653046s Minimizing prog: 1h56m16.408298367s Simplifying prog options: 0s Extracting C: 3m12.527487724s Simplifying C: 23m57.559456197s extracting reproducer from 1 programs testing a last program of every proc 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() program did not crash single: failed to extract reproducer 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() program crashed: INFO: task hung in __iterate_supers single: successfully extracted reproducer found reproducer with 9 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r1, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync 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$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(0x0, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r0 = dup(0xffffffffffffffff) write$FUSE_BMAP(r0, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, 0x0, 0x0) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, 0x0, 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, 0x0, 0x0) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, 0x0, 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r2, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', 0x0, 0x0, &(0x7f00000004c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}}) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync detailed listing: executing program 0: mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000003c0)=0x800, 0x4) write$P9_RVERSION(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="1500000065ffff017f000e0800395032303030"], 0x15) r1 = dup(r0) write$FUSE_BMAP(r1, &(0x7f0000000000)={0x18, 0x0, 0x0, {0x3b9}}, 0x18) write$FUSE_DIRENTPLUS(r1, &(0x7f00000003c0)=ANY=[@ANYBLOB], 0xb0) mount$9p_fd(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000080), 0x0, 0x0) sync() 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat-pipe2$9p-setsockopt$XDP_TX_RING-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_DIRENTPLUS-mount$9p_fd-sync program crashed: INFO: task hung in __iterate_supers reproducing took 2h31m28.97180919s repro crashed as (corrupted=false): INFO: task syz-executor792:5857 blocked for more than 143 seconds. Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor792 state:D stack:28104 pid:5857 tgid:5854 ppid:5853 task_flags:0x400040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785 __schedule_loop kernel/sched/core.c:6863 [inline] schedule+0x165/0x360 kernel/sched/core.c:6878 super_lock+0x1c8/0x3b0 fs/super.c:115 __iterate_supers+0x126/0x250 fs/super.c:923 ksys_sync+0x94/0x150 fs/sync.c:102 __ia32_sys_sync+0xe/0x20 fs/sync.c:113 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f73118b67a9 RSP: 002b:00007f731184e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f73119403f8 RCX: 00007f73118b67a9 RDX: 00007f7311892e46 RSI: 0000000000000000 RDI: 00007f731184efb0 RBP: 00007f73119403f0 R08: 00007ffd4856a227 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f731190d07c R13: 0030656c69662f2e R14: 0000200000000440 R15: 00007ffd4856a228 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 1 lock held by klogd/5194: #0: ffff8880b8639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:606 2 locks held by getty/5597: #0: ffff8880354220a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fee2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz-executor792/5855: #0: ffff88803348c0e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970 fs/super.c:345 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline] watchdog+0xfee/0x1030 kernel/hung_task.c:470 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82 Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 19 1b 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffffff8e007d80 EFLAGS: 000002c6 RAX: a51c4f3f900b2a00 RBX: ffffffff81978d58 RCX: a51c4f3f900b2a00 RDX: 0000000000000001 RSI: ffffffff8da4bf83 RDI: ffffffff8be41940 RBP: ffffffff8e007ea8 R08: ffff8880b8632f5b R09: 1ffff110170c65eb R10: dffffc0000000000 R11: ffffed10170c65ec R12: ffffffff8fc22df0 R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1c12a50 FS: 0000000000000000(0000) GS:ffff888125a1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558036639168 CR3: 000000000e138000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:749 default_idle_call+0x74/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1e8/0x510 kernel/sched/idle.c:325 cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423 rest_init+0x2de/0x300 init/main.c:745 start_kernel+0x47d/0x500 init/main.c:1102 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307 x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288 common_startup_64+0x13e/0x147 final repro crashed as (corrupted=false): INFO: task syz-executor792:5857 blocked for more than 143 seconds. Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor792 state:D stack:28104 pid:5857 tgid:5854 ppid:5853 task_flags:0x400040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785 __schedule_loop kernel/sched/core.c:6863 [inline] schedule+0x165/0x360 kernel/sched/core.c:6878 super_lock+0x1c8/0x3b0 fs/super.c:115 __iterate_supers+0x126/0x250 fs/super.c:923 ksys_sync+0x94/0x150 fs/sync.c:102 __ia32_sys_sync+0xe/0x20 fs/sync.c:113 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f73118b67a9 RSP: 002b:00007f731184e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f73119403f8 RCX: 00007f73118b67a9 RDX: 00007f7311892e46 RSI: 0000000000000000 RDI: 00007f731184efb0 RBP: 00007f73119403f0 R08: 00007ffd4856a227 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f731190d07c R13: 0030656c69662f2e R14: 0000200000000440 R15: 00007ffd4856a228 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e33ee60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 1 lock held by klogd/5194: #0: ffff8880b8639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:606 2 locks held by getty/5597: #0: ffff8880354220a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fee2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz-executor792/5855: #0: ffff88803348c0e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970 fs/super.c:345 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline] watchdog+0xfee/0x1030 kernel/hung_task.c:470 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82 Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 19 1b 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffffff8e007d80 EFLAGS: 000002c6 RAX: a51c4f3f900b2a00 RBX: ffffffff81978d58 RCX: a51c4f3f900b2a00 RDX: 0000000000000001 RSI: ffffffff8da4bf83 RDI: ffffffff8be41940 RBP: ffffffff8e007ea8 R08: ffff8880b8632f5b R09: 1ffff110170c65eb R10: dffffc0000000000 R11: ffffed10170c65ec R12: ffffffff8fc22df0 R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1c12a50 FS: 0000000000000000(0000) GS:ffff888125a1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558036639168 CR3: 000000000e138000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:749 default_idle_call+0x74/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1e8/0x510 kernel/sched/idle.c:325 cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423 rest_init+0x2de/0x300 init/main.c:745 start_kernel+0x47d/0x500 init/main.c:1102 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307 x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288 common_startup_64+0x13e/0x147