Extracting prog: 4m36.302620865s Minimizing prog: 1h50m45.950831752s Simplifying prog options: 0s Extracting C: 3m10.71206696s Simplifying C: 24m42.437548191s extracting reproducer from 83 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen-socket-syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_ADDFB-close_range-mount detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) r7 = fsopen(&(0x7f0000000000)='omfs\x00', 0x0) socket(0x22, 0x2, 0x1) r8 = syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_ADDFB(r8, 0xc01c64ae, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x20, 0x20}) close_range(r7, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000000)=@rnullb, &(0x7f0000000040)='./cgroup\x00', &(0x7f0000000240)='gfs2\x00', 0x200000, 0x0) program crashed: INFO: task hung in exit_mm single: successfully extracted reproducer found reproducer with 25 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen-socket-syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_ADDFB-close_range detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) r7 = fsopen(&(0x7f0000000000)='omfs\x00', 0x0) socket(0x22, 0x2, 0x1) r8 = syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_ADDFB(r8, 0xc01c64ae, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x20, 0x20}) close_range(r7, 0xffffffffffffffff, 0x0) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen-socket-syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_ADDFB detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) fsopen(&(0x7f0000000000)='omfs\x00', 0x0) socket(0x22, 0x2, 0x1) r7 = syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_ADDFB(r7, 0xc01c64ae, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x20, 0x20}) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen-socket-syz_open_dev$dri detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) fsopen(&(0x7f0000000000)='omfs\x00', 0x0) socket(0x22, 0x2, 0x1) syz_open_dev$dri(&(0x7f0000000000), 0x1, 0x0) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen-socket detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) fsopen(&(0x7f0000000000)='omfs\x00', 0x0) socket(0x22, 0x2, 0x1) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet-fsopen detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) fsopen(&(0x7f0000000000)='omfs\x00', 0x0) program crashed: INFO: task hung in mbind testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC-sendmsg$inet detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) r5 = socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r6 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r6, 0x40086200, &(0x7f0000000100)) (async) sendmsg$inet(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="5c00000014006b03000000d86e6c1d00028422fb564500006e23e3f58e76110165f450e71bfc74e3002500028d459e37000f0000000000bf9367a17e51f60a64c9f4d4938037e786a6d0bdd700000000000000000051fd1f33597225", 0x5c}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x40800) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs-ioctl$DMA_BUF_IOCTL_SYNC detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$DMA_BUF_IOCTL_SYNC(r5, 0x40086200, &(0x7f0000000100)) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet-openat$procfs detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/seq/timer\x00', 0x0, 0x0) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm-sendmsg$inet detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) socket$kcm(0x10, 0x2, 0x4) (async) sendmsg$inet(r4, &(0x7f0000001580)={&(0x7f0000000dc0)={0x2, 0x4e23, @rand_addr=0x64010101}, 0x10, &(0x7f0000001140)=[{&(0x7f0000000e00)="1731484e6e9c", 0x6}], 0x1}, 0xc000) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet-socket$kcm detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) socket$kcm(0x10, 0x2, 0x4) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm-sendmsg$inet detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) r4 = socket$kcm(0x2, 0x1, 0x84) sendmsg$inet(r4, &(0x7f0000002700)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x25}}, 0x10, &(0x7f0000000100), 0x1}, 0x8040) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix-socket$kcm detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) socket$kcm(0x2, 0x1, 0x84) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap-connect$unix detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) (async) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000040)={0x90000005}) epoll_pwait(r3, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x4e20}, 0x6e) program crashed: INFO: task hung in mbind testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind-mmap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000040)={0x90000005}) epoll_pwait(r2, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x20000000ec071, 0xffffffffffffffff, 0x1000000000000000) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap-mbind detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000040)={0x90000005}) epoll_pwait(r2, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) mbind(&(0x7f0000001000/0x800000)=nil, 0x800000, 0x4, 0x0, 0x0, 0x0) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000040)={0x90000005}) epoll_pwait(r2, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000040)={0x90000005}) epoll_pwait(r2, &(0x7f0000000100), 0x0, 0x75b, 0x0, 0x0) (async) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000040)={0x90000005}) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-epoll_create1-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) epoll_create1(0x0) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-sendmmsg$unix-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-socketpair$unix-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-connect$llc-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) connect$llc(r0, &(0x7f0000000340)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random="48bd00"}, 0x10) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-syz_init_net_socket$llc-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) syz_init_net_socket$llc(0x1a, 0x801, 0x0) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect-mremap detailed listing: executing program 0: mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) (async) mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) (async) program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) program crashed: INFO: task hung in exit_mm extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program did not crash testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap program crashed: INFO: task hung in exit_mm testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap detailed listing: executing program 0: mremap(&(0x7f00003c9000/0x2000)=nil, 0x2000, 0x2000, 0x7, &(0x7f00001de000/0x2000)=nil) program crashed: INFO: task hung in exit_mm validation run: crashed=true reproducing took 2h34m7.988321537s repro crashed as (corrupted=false): INFO: task syz.0.16:5997 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:26920 pid:5997 tgid:5997 ppid:5949 task_flags:0x40004c flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 __schedule_loop kernel/sched/core.c:7036 [inline] schedule+0x165/0x360 kernel/sched/core.c:7051 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7108 rwsem_down_read_slowpath+0x5fd/0x8f0 kernel/locking/rwsem.c:1088 __down_read_common kernel/locking/rwsem.c:1263 [inline] __down_read kernel/locking/rwsem.c:1276 [inline] down_read+0x98/0x2e0 kernel/locking/rwsem.c:1541 mmap_read_lock include/linux/mmap_lock.h:412 [inline] exit_mm+0xcc/0x2c0 kernel/exit.c:557 do_exit+0x648/0x2300 kernel/exit.c:947 do_group_exit+0x21c/0x2d0 kernel/exit.c:1100 __do_sys_exit_group kernel/exit.c:1111 [inline] __se_sys_exit_group kernel/exit.c:1109 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1109 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5fd0f8e9a9 RSP: 002b:00007fff848e68a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5fd0f8e9a9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00000001848e699f R09: 00007f5fd1180260 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5fd1180260 R14: 0000000000000003 R15: 00007fff848e6960 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 2 locks held by kworker/u8:6/1106: 2 locks held by getty/5606: #0: ffff88814cd410a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz.0.16/5997: #0: ffff88802f0de2a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802f0de2a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.0.16/5998: 1 lock held by syz.1.17/6023: #0: ffff888011a1c260 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888011a1c260 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.1.17/6024: 1 lock held by syz.2.18/6051: #0: ffff888030c581e0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888030c581e0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.2.18/6052: 1 lock held by syz.3.19/6075: #0: ffff88802d872220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802d872220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.3.19/6076: 1 lock held by syz.4.20/6103: #0: ffff88806eae2ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88806eae2ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.4.20/6104: 1 lock held by syz.5.21/6140: #0: ffff88806eae37a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88806eae37a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.5.21/6141: 1 lock held by syz.6.22/6170: #0: ffff888029714260 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888029714260 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.6.22/6171: 1 lock held by syz.7.23/6202: #0: ffff88802d872ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802d872ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.7.23/6203: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf93/0xfe0 kernel/hung_task.c:491 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6104 Comm: syz.4.20 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:check_region_inline mm/kasan/generic.c:174 [inline] RIP: 0010:kasan_check_range+0x1d/0x2c0 mm/kasan/generic.c:189 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ba 01 00 00 4c 8d 04 37 <49> 39 f8 0f 82 82 02 00 00 49 b9 00 00 00 00 00 80 ff ff eb 11 cc RSP: 0018:ffffc900000070a8 EFLAGS: 00000002 RAX: 00000000ffffff01 RBX: ffffffff9a20ffe8 RCX: ffffffff819e5861 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000007120 RBP: ffffc90000007190 R08: ffffc90000007124 R09: 1ffffffff3441ffd R10: dffffc0000000000 R11: fffffbfff3441ffe R12: ffffffff9a20fff8 R13: ffffffff9a20fff0 R14: 1ffffffff3441fff R15: 1ffffffff3441ffe FS: 00007fab1655c6c0(0000) GS:ffff8881257ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555ab0ec168 CR3: 0000000077552000 CR4: 00000000003526f0 Call Trace: instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock+0x121/0x290 kernel/locking/spinlock_debug.c:116 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xb3/0xf0 kernel/locking/spinlock.c:162 debug_object_activate+0xbb/0x420 lib/debugobjects.c:818 debug_work_activate kernel/workqueue.c:668 [inline] insert_work+0x35/0x330 kernel/workqueue.c:2181 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2339 queue_work_on+0x181/0x270 kernel/workqueue.c:2390 __ieee80211_queue_skb_to_iface+0xf1/0x280 net/mac80211/rx.c:233 ieee80211_queue_skb_to_iface net/mac80211/rx.c:255 [inline] ieee80211_rx_h_mgmt+0x493/0x650 net/mac80211/rx.c:4066 ieee80211_rx_handlers+0x6650/0xb6d0 net/mac80211/rx.c:4141 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4171 [inline] ieee80211_prepare_and_rx_handle+0x266f/0x63a0 net/mac80211/rx.c:5031 ieee80211_rx_for_interface net/mac80211/rx.c:5116 [inline] __ieee80211_rx_handle_packet net/mac80211/rx.c:5272 [inline] ieee80211_rx_list+0x244a/0x2d50 net/mac80211/rx.c:5407 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5430 ieee80211_rx include/net/mac80211.h:5206 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:442 tasklet_action_common+0x369/0x580 kernel/softirq.c:829 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5948 Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 b9 d6 67 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc90003cc7238 EFLAGS: 00000206 RAX: c38b3d2e05cae400 RBX: 0000000000000001 RCX: c38b3d2e05cae400 RDX: 0000000000000000 RSI: ffffffff8de5b067 RDI: ffffffff8c04d400 RBP: 00000000ffffffff R08: ffff88801e3b0000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000246 R13: ffff88801e3b0000 R14: ffff88806eae2ce0 R15: 0000000000000000 lock_is_held include/linux/lockdep.h:249 [inline] mt_locked lib/maple_tree.c:-1 [inline] mt_slot lib/maple_tree.c:800 [inline] mas_slot lib/maple_tree.c:833 [inline] mt_validate_nulls lib/maple_tree.c:7560 [inline] mt_validate+0x3dfc/0x4380 lib/maple_tree.c:7615 validate_mm+0xb6/0x4b0 mm/vma.c:651 vma_link+0x366/0x450 mm/vma.c:1799 copy_vma+0x70c/0x940 mm/vma.c:1880 copy_vma_and_data mm/mremap.c:1184 [inline] move_vma+0x81f/0x1840 mm/mremap.c:1282 mremap_to+0x6d6/0x7a0 mm/mremap.c:1406 remap_move mm/mremap.c:1863 [inline] do_mremap mm/mremap.c:1906 [inline] __do_sys_mremap mm/mremap.c:1970 [inline] __se_sys_mremap+0xa0b/0xef0 mm/mremap.c:1938 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab1578e9a9 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:00007fab1655c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007fab159b5fa0 RCX: 00007fab1578e9a9 RDX: 0000000000002000 RSI: 0000000000002000 RDI: 00002000003c9000 RBP: 00007fab15810d69 R08: 00002000001de000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fab159b5fa0 R15: 00007ffd131f39f8 final repro crashed as (corrupted=false): INFO: task syz.0.16:5997 blocked for more than 143 seconds. Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.16 state:D stack:26920 pid:5997 tgid:5997 ppid:5949 task_flags:0x40004c flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 __schedule_loop kernel/sched/core.c:7036 [inline] schedule+0x165/0x360 kernel/sched/core.c:7051 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7108 rwsem_down_read_slowpath+0x5fd/0x8f0 kernel/locking/rwsem.c:1088 __down_read_common kernel/locking/rwsem.c:1263 [inline] __down_read kernel/locking/rwsem.c:1276 [inline] down_read+0x98/0x2e0 kernel/locking/rwsem.c:1541 mmap_read_lock include/linux/mmap_lock.h:412 [inline] exit_mm+0xcc/0x2c0 kernel/exit.c:557 do_exit+0x648/0x2300 kernel/exit.c:947 do_group_exit+0x21c/0x2d0 kernel/exit.c:1100 __do_sys_exit_group kernel/exit.c:1111 [inline] __se_sys_exit_group kernel/exit.c:1109 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1109 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5fd0f8e9a9 RSP: 002b:00007fff848e68a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5fd0f8e9a9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00000001848e699f R09: 00007f5fd1180260 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5fd1180260 R14: 0000000000000003 R15: 00007fff848e6960 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770 2 locks held by kworker/u8:6/1106: 2 locks held by getty/5606: #0: ffff88814cd410a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222 1 lock held by syz.0.16/5997: #0: ffff88802f0de2a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802f0de2a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.0.16/5998: 1 lock held by syz.1.17/6023: #0: ffff888011a1c260 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888011a1c260 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.1.17/6024: 1 lock held by syz.2.18/6051: #0: ffff888030c581e0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888030c581e0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.2.18/6052: 1 lock held by syz.3.19/6075: #0: ffff88802d872220 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802d872220 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.3.19/6076: 1 lock held by syz.4.20/6103: #0: ffff88806eae2ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88806eae2ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.4.20/6104: 1 lock held by syz.5.21/6140: #0: ffff88806eae37a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88806eae37a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.5.21/6141: 1 lock held by syz.6.22/6170: #0: ffff888029714260 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff888029714260 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.6.22/6171: 1 lock held by syz.7.23/6202: #0: ffff88802d872ce0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:412 [inline] #0: ffff88802d872ce0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 kernel/exit.c:557 1 lock held by syz.7.23/6203: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf93/0xfe0 kernel/hung_task.c:491 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6104 Comm: syz.4.20 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:check_region_inline mm/kasan/generic.c:174 [inline] RIP: 0010:kasan_check_range+0x1d/0x2c0 mm/kasan/generic.c:189 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ba 01 00 00 4c 8d 04 37 <49> 39 f8 0f 82 82 02 00 00 49 b9 00 00 00 00 00 80 ff ff eb 11 cc RSP: 0018:ffffc900000070a8 EFLAGS: 00000002 RAX: 00000000ffffff01 RBX: ffffffff9a20ffe8 RCX: ffffffff819e5861 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000007120 RBP: ffffc90000007190 R08: ffffc90000007124 R09: 1ffffffff3441ffd R10: dffffc0000000000 R11: fffffbfff3441ffe R12: ffffffff9a20fff8 R13: ffffffff9a20fff0 R14: 1ffffffff3441fff R15: 1ffffffff3441ffe FS: 00007fab1655c6c0(0000) GS:ffff8881257ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555ab0ec168 CR3: 0000000077552000 CR4: 00000000003526f0 Call Trace: instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock+0x121/0x290 kernel/locking/spinlock_debug.c:116 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xb3/0xf0 kernel/locking/spinlock.c:162 debug_object_activate+0xbb/0x420 lib/debugobjects.c:818 debug_work_activate kernel/workqueue.c:668 [inline] insert_work+0x35/0x330 kernel/workqueue.c:2181 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2339 queue_work_on+0x181/0x270 kernel/workqueue.c:2390 __ieee80211_queue_skb_to_iface+0xf1/0x280 net/mac80211/rx.c:233 ieee80211_queue_skb_to_iface net/mac80211/rx.c:255 [inline] ieee80211_rx_h_mgmt+0x493/0x650 net/mac80211/rx.c:4066 ieee80211_rx_handlers+0x6650/0xb6d0 net/mac80211/rx.c:4141 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4171 [inline] ieee80211_prepare_and_rx_handle+0x266f/0x63a0 net/mac80211/rx.c:5031 ieee80211_rx_for_interface net/mac80211/rx.c:5116 [inline] __ieee80211_rx_handle_packet net/mac80211/rx.c:5272 [inline] ieee80211_rx_list+0x244a/0x2d50 net/mac80211/rx.c:5407 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5430 ieee80211_rx include/net/mac80211.h:5206 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:442 tasklet_action_common+0x369/0x580 kernel/softirq.c:829 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5948 Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 b9 d6 67 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc90003cc7238 EFLAGS: 00000206 RAX: c38b3d2e05cae400 RBX: 0000000000000001 RCX: c38b3d2e05cae400 RDX: 0000000000000000 RSI: ffffffff8de5b067 RDI: ffffffff8c04d400 RBP: 00000000ffffffff R08: ffff88801e3b0000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000246 R13: ffff88801e3b0000 R14: ffff88806eae2ce0 R15: 0000000000000000 lock_is_held include/linux/lockdep.h:249 [inline] mt_locked lib/maple_tree.c:-1 [inline] mt_slot lib/maple_tree.c:800 [inline] mas_slot lib/maple_tree.c:833 [inline] mt_validate_nulls lib/maple_tree.c:7560 [inline] mt_validate+0x3dfc/0x4380 lib/maple_tree.c:7615 validate_mm+0xb6/0x4b0 mm/vma.c:651 vma_link+0x366/0x450 mm/vma.c:1799 copy_vma+0x70c/0x940 mm/vma.c:1880 copy_vma_and_data mm/mremap.c:1184 [inline] move_vma+0x81f/0x1840 mm/mremap.c:1282 mremap_to+0x6d6/0x7a0 mm/mremap.c:1406 remap_move mm/mremap.c:1863 [inline] do_mremap mm/mremap.c:1906 [inline] __do_sys_mremap mm/mremap.c:1970 [inline] __se_sys_mremap+0xa0b/0xef0 mm/mremap.c:1938 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab1578e9a9 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:00007fab1655c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007fab159b5fa0 RCX: 00007fab1578e9a9 RDX: 0000000000002000 RSI: 0000000000002000 RDI: 00002000003c9000 RBP: 00007fab15810d69 R08: 00002000001de000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fab159b5fa0 R15: 00007ffd131f39f8