Extracting prog: 48.241538062s
Minimizing prog: 20m39.876188779s
Simplifying prog options: 0s
Extracting C: 1m13.537123445s
Simplifying C: 6m37.115265445s


extracting reproducer from 4 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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-close-umount2-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(0xffffffffffffffff)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)
close(r0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(0xffffffffffffffff)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(0xffffffffffffffff)
close(r1)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(0xffffffffffffffff)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
close(r0)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100}, 0x0)
close(0xffffffffffffffff)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(0xffffffffffffffff, 0x1, &(0x7f0000000200)={0x100, r0}, 0x0)
close(r0)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(0x0, 0x0, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, 0x0, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program did not crash
testing program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
simplifying C reproducer
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
testing compiled C program (duration=45.763638795s, {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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:false 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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in corrupted
a never seen crash title: BUG: sleeping function called from invalid context in corrupted, ignore
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in corrupted
a never seen crash title: BUG: sleeping function called from invalid context in corrupted, ignore
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in corrupted
a never seen crash title: BUG: sleeping function called from invalid context in corrupted, ignore
testing compiled C program (duration=45.763638795s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
program crashed: BUG: sleeping function called from invalid context in corrupted
a never seen crash title: BUG: sleeping function called from invalid context in corrupted, ignore
testing program (duration=45.763638795s, {Threaded:false Repeat:false 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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
validation run: crashed=true
testing program (duration=45.763638795s, {Threaded:false Repeat:false 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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
validation run: crashed=true
testing program (duration=45.763638795s, {Threaded:false Repeat:false 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}}): mkdirat-mount$tmpfs-landlock_create_ruleset-openat$dir-landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH-close-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$tmpfs(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x0, 0x0)
r0 = landlock_create_ruleset(&(0x7f0000000180)={0x100}, 0x18, 0x0)
r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x200000, 0x0)
landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(r0, 0x1, &(0x7f0000000200)={0x100, r1}, 0x0)
close(r1)
umount2(&(0x7f00000002c0)='./file0\x00', 0x0)

program crashed: BUG: sleeping function called from invalid context in hook_sb_delete
validation run: crashed=true
reproducing took 32m39.542618332s
repro crashed as (corrupted=false):
BUG: sleeping function called from invalid context at fs/inode.c:1928
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6028, name: syz.0.17
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz.0.17/6028:
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline]
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline]
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0 fs/super.c:505
 #1: ffff8880326bc998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #1: ffff8880326bc998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0xae/0xbd0 security/landlock/fs.c:1405
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 6028 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __might_resched+0x495/0x610 kernel/sched/core.c:8960
 iput+0x2b/0xc50 fs/inode.c:1928
 hook_sb_delete+0x6b5/0xbd0 security/landlock/fs.c:1468
 security_sb_delete+0x80/0x150 security/security.c:1467
 generic_shutdown_super+0xaa/0x2c0 fs/super.c:634
 kill_anon_super fs/super.c:1281 [inline]
 kill_litter_super+0x76/0xb0 fs/super.c:1291
 deactivate_locked_super+0xbc/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1327
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc08e18eec9
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:00007ffcd5efff18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc08e3e5fa0 RCX: 00007fc08e18eec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007fc08e211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc08e3e5fa0 R14: 00007fc08e3e5fa0 R15: 0000000000000002
 </TASK>

final repro crashed as (corrupted=false):
BUG: sleeping function called from invalid context at fs/inode.c:1928
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6028, name: syz.0.17
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz.0.17/6028:
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline]
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline]
 #0: ffff8880326bc0e0 (&type->s_umount_key#48){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0 fs/super.c:505
 #1: ffff8880326bc998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #1: ffff8880326bc998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0xae/0xbd0 security/landlock/fs.c:1405
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 6028 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __might_resched+0x495/0x610 kernel/sched/core.c:8960
 iput+0x2b/0xc50 fs/inode.c:1928
 hook_sb_delete+0x6b5/0xbd0 security/landlock/fs.c:1468
 security_sb_delete+0x80/0x150 security/security.c:1467
 generic_shutdown_super+0xaa/0x2c0 fs/super.c:634
 kill_anon_super fs/super.c:1281 [inline]
 kill_litter_super+0x76/0xb0 fs/super.c:1291
 deactivate_locked_super+0xbc/0x130 fs/super.c:473
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1327
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc08e18eec9
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:00007ffcd5efff18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fc08e3e5fa0 RCX: 00007fc08e18eec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007fc08e211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc08e3e5fa0 R14: 00007fc08e3e5fa0 R15: 0000000000000002
 </TASK>