Extracting prog: 51.460284646s
Minimizing prog: 40m6.010857893s
Simplifying prog options: 2m57.153234972s
Extracting C: 1m20.364433653s
Simplifying C: 0s


extracting reproducer from 74 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:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-sendmsg$inet-bpf$PROG_LOAD-ioctl$USBDEVFS_SUBMITURB-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = socket$inet(0x2, 0x2, 0x1)
sendmsg$inet(r4, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000400)}, {&(0x7f0000000180)="96bc1480bb", 0x5}], 0x2}, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000001080)=ANY=[@ANYBLOB="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"/2282], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xffffffffffffffd2, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48)
ioctl$USBDEVFS_SUBMITURB(0xffffffffffffffff, 0x8038550a, &(0x7f0000000140)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000240)={0xa1, 0x18, 0x0, 0x200, 0xfffc}, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0})
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
single: successfully extracted reproducer
found reproducer with 19 syscalls
minimizing guilty program
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-sendmsg$inet-bpf$PROG_LOAD-ioctl$USBDEVFS_SUBMITURB-openat$ubi_ctrl
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = socket$inet(0x2, 0x2, 0x1)
sendmsg$inet(r4, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000400)}, {&(0x7f0000000180)="96bc1480bb", 0x5}], 0x2}, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000001080)=ANY=[@ANYBLOB="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"/2282], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xffffffffffffffd2, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48)
ioctl$USBDEVFS_SUBMITURB(0xffffffffffffffff, 0x8038550a, &(0x7f0000000140)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000240)={0xa1, 0x18, 0x0, 0x200, 0xfffc}, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-sendmsg$inet-bpf$PROG_LOAD-ioctl$USBDEVFS_SUBMITURB-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = socket$inet(0x2, 0x2, 0x1)
sendmsg$inet(r4, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000400)}, {&(0x7f0000000180)="96bc1480bb", 0x5}], 0x2}, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000001080)=ANY=[@ANYBLOB="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"/2282], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xffffffffffffffd2, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48)
ioctl$USBDEVFS_SUBMITURB(0xffffffffffffffff, 0x8038550a, &(0x7f0000000140)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000240)={0xa1, 0x18, 0x0, 0x200, 0xfffc}, 0x8, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0})
ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-sendmsg$inet-bpf$PROG_LOAD-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = socket$inet(0x2, 0x2, 0x1)
sendmsg$inet(r4, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000400)}, {&(0x7f0000000180)="96bc1480bb", 0x5}], 0x2}, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000001080)=ANY=[@ANYBLOB="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"/2282], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xffffffffffffffd2, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-sendmsg$inet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = socket$inet(0x2, 0x2, 0x1)
sendmsg$inet(r4, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000000400)}, {&(0x7f0000000180)="96bc1480bb", 0x5}], 0x2}, 0x0)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-socket$inet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$inet(0x2, 0x2, 0x1)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-bind$netlink-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-sendmsg$NFT_BATCH-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, 0x0, 0x0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-socket$nl_netfilter-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
socket$nl_netfilter(0x10, 0x3, 0xc)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-sendmmsg$unix-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-connect$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(0xffffffffffffffff, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r1, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
getpid()
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000040)=0x6)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(0xffffffffffffffff, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r1, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x0, 0x0)
sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, 0x0, 0x0, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program crashed: KASAN: slab-use-after-free Read in notifier_chain_register
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, 0x0, 0x0, 0x0)
recvmmsg(r1, 0x0, 0x0, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, 0x0, 0x0, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m5.307254281s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
program did not crash
simplifying guilty program options
testing program (duration=1m5.307254281s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, 0x0, 0x0, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
testing program (duration=1m5.307254281s, {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}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sched_setaffinity-sendmmsg$unix-recvmmsg-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
sched_setaffinity(0x0, 0x8, &(0x7f0000000740)=0x2)
sendmmsg$unix(r2, 0x0, 0x0, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502)

program did not crash
reproducing took 45m14.988847744s
repro crashed as (corrupted=false):
ubi0: attaching mtd0
ubi0: scanning is finished
==================================================================
BUG: KASAN: slab-use-after-free in notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27
Read of size 4 at addr ffff88806097d8d8 by task syz.0.15/6050

CPU: 0 UID: 0 PID: 6050 Comm: syz.0.15 Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:489
 kasan_report+0x143/0x180 mm/kasan/report.c:602
 notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27
 __blocking_notifier_chain_register kernel/notifier.c:264 [inline]
 blocking_notifier_chain_register+0x61/0xc0 kernel/notifier.c:282
 ubi_wl_init+0x3396/0x3720 drivers/mtd/ubi/wl.c:1960
 ubi_attach+0x3e01/0x5b80 drivers/mtd/ubi/attach.c:1605
 ubi_attach_mtd_dev+0x1a3a/0x3540 drivers/mtd/ubi/build.c:1004
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c0777ff19
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:00007f4c085f0058 EFLAGS: 00000246
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4c07945fa0 RCX: 00007f4c0777ff19
RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000005
RBP: 00007f4c077f3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c07945fa0 R15: 00007fff9ded9778
 </TASK>

Allocated by task 6053:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 ubi_attach_mtd_dev+0x552/0x3540 drivers/mtd/ubi/build.c:933
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6053:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2338 [inline]
 slab_free mm/slub.c:4598 [inline]
 kfree+0x196/0x430 mm/slub.c:4746
 device_release+0x9b/0x1c0
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x231/0x480 lib/kobject.c:737
 ubi_attach_mtd_dev+0x8f5/0x3540 drivers/mtd/ubi/build.c:1076
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88806097c000
 which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 6360 bytes inside of
 freed 8192-byte region [ffff88806097c000, ffff88806097e000)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888060978000 pfn:0x60978
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac42280 ffffea00016f5600 0000000000000005
raw: ffff888060978000 0000000080020001 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac42280 ffffea00016f5600 0000000000000005
head: ffff888060978000 0000000080020001 00000001f5000000 0000000000000000
head: 00fff00000000003 ffffea0001825e01 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5863, tgid 5863 (syz-executor), ts 82226919857, free_ts 22948442067
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556
 prep_new_page mm/page_alloc.c:1564 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 alloc_slab_page+0x6a/0x140 mm/slub.c:2408
 allocate_slab+0x5a/0x2f0 mm/slub.c:2574
 new_slab mm/slub.c:2627 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815
 __slab_alloc+0x58/0xa0 mm/slub.c:3905
 __slab_alloc_node mm/slub.c:3980 [inline]
 slab_alloc_node mm/slub.c:4141 [inline]
 __do_kmalloc_node mm/slub.c:4282 [inline]
 __kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4295
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 ops_init+0x75/0x590 net/core/net_namespace.c:128
 setup_net+0x287/0x9e0 net/core/net_namespace.c:362
 copy_net_ns+0x33f/0x570 net/core/net_namespace.c:500
 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
 ksys_unshare+0x57d/0xa70 kernel/fork.c:3334
 __do_sys_unshare kernel/fork.c:3405 [inline]
 __se_sys_unshare kernel/fork.c:3403 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3403
page last free pid 1 tgid 1 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xdef/0x1130 mm/page_alloc.c:2657
 free_contig_range+0x152/0x550 mm/page_alloc.c:6630
 destroy_args+0x92/0x910 mm/debug_vm_pgtable.c:1017
 debug_vm_pgtable+0x4be/0x550 mm/debug_vm_pgtable.c:1397
 do_one_initcall+0x24a/0x870 init/main.c:1266
 do_initcall_level+0x157/0x210 init/main.c:1328
 do_initcalls+0x3f/0x80 init/main.c:1344
 kernel_init_freeable+0x435/0x5d0 init/main.c:1577
 kernel_init+0x1d/0x2b0 init/main.c:1466
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff88806097d780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806097d800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88806097d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff88806097d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806097d980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
ubi0: attaching mtd0
ubi0: scanning is finished
==================================================================
BUG: KASAN: slab-use-after-free in notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27
Read of size 4 at addr ffff88806097d8d8 by task syz.0.15/6050

CPU: 0 UID: 0 PID: 6050 Comm: syz.0.15 Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:489
 kasan_report+0x143/0x180 mm/kasan/report.c:602
 notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27
 __blocking_notifier_chain_register kernel/notifier.c:264 [inline]
 blocking_notifier_chain_register+0x61/0xc0 kernel/notifier.c:282
 ubi_wl_init+0x3396/0x3720 drivers/mtd/ubi/wl.c:1960
 ubi_attach+0x3e01/0x5b80 drivers/mtd/ubi/attach.c:1605
 ubi_attach_mtd_dev+0x1a3a/0x3540 drivers/mtd/ubi/build.c:1004
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c0777ff19
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:00007f4c085f0058 EFLAGS: 00000246
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4c07945fa0 RCX: 00007f4c0777ff19
RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000005
RBP: 00007f4c077f3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c07945fa0 R15: 00007fff9ded9778
 </TASK>

Allocated by task 6053:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 ubi_attach_mtd_dev+0x552/0x3540 drivers/mtd/ubi/build.c:933
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6053:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2338 [inline]
 slab_free mm/slub.c:4598 [inline]
 kfree+0x196/0x430 mm/slub.c:4746
 device_release+0x9b/0x1c0
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x231/0x480 lib/kobject.c:737
 ubi_attach_mtd_dev+0x8f5/0x3540 drivers/mtd/ubi/build.c:1076
 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88806097c000
 which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 6360 bytes inside of
 freed 8192-byte region [ffff88806097c000, ffff88806097e000)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888060978000 pfn:0x60978
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac42280 ffffea00016f5600 0000000000000005
raw: ffff888060978000 0000000080020001 00000001f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac42280 ffffea00016f5600 0000000000000005
head: ffff888060978000 0000000080020001 00000001f5000000 0000000000000000
head: 00fff00000000003 ffffea0001825e01 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5863, tgid 5863 (syz-executor), ts 82226919857, free_ts 22948442067
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556
 prep_new_page mm/page_alloc.c:1564 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 alloc_slab_page+0x6a/0x140 mm/slub.c:2408
 allocate_slab+0x5a/0x2f0 mm/slub.c:2574
 new_slab mm/slub.c:2627 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815
 __slab_alloc+0x58/0xa0 mm/slub.c:3905
 __slab_alloc_node mm/slub.c:3980 [inline]
 slab_alloc_node mm/slub.c:4141 [inline]
 __do_kmalloc_node mm/slub.c:4282 [inline]
 __kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4295
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 ops_init+0x75/0x590 net/core/net_namespace.c:128
 setup_net+0x287/0x9e0 net/core/net_namespace.c:362
 copy_net_ns+0x33f/0x570 net/core/net_namespace.c:500
 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
 ksys_unshare+0x57d/0xa70 kernel/fork.c:3334
 __do_sys_unshare kernel/fork.c:3405 [inline]
 __se_sys_unshare kernel/fork.c:3403 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3403
page last free pid 1 tgid 1 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xdef/0x1130 mm/page_alloc.c:2657
 free_contig_range+0x152/0x550 mm/page_alloc.c:6630
 destroy_args+0x92/0x910 mm/debug_vm_pgtable.c:1017
 debug_vm_pgtable+0x4be/0x550 mm/debug_vm_pgtable.c:1397
 do_one_initcall+0x24a/0x870 init/main.c:1266
 do_initcall_level+0x157/0x210 init/main.c:1328
 do_initcalls+0x3f/0x80 init/main.c:1344
 kernel_init_freeable+0x435/0x5d0 init/main.c:1577
 kernel_init+0x1d/0x2b0 init/main.c:1466
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff88806097d780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806097d800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88806097d880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff88806097d900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806097d980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================