Extracting prog: 2m53.831606175s Minimizing prog: 23m56.528746785s Simplifying prog options: 0s Extracting C: 2m43.402852002s Simplifying C: 23m15.722745787s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-mprotect$auto-madvise$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY-mlock$auto detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) mprotect$auto(0x1000, 0x400000, 0x4) madvise$auto(0x0, 0x2003f0, 0x15) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) mlock$auto(0x5, 0xffff) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio single: successfully extracted reproducer found reproducer with 13 syscalls minimizing guilty program testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-mprotect$auto-madvise$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) mprotect$auto(0x1000, 0x400000, 0x4) madvise$auto(0x0, 0x2003f0, 0x15) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-mprotect$auto-madvise$auto-openat$auto_proc_pid_maps_operations_internal detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) mprotect$auto(0x1000, 0x400000, 0x4) madvise$auto(0x0, 0x2003f0, 0x15) openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-mprotect$auto-madvise$auto-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) mprotect$auto(0x1000, 0x400000, 0x4) madvise$auto(0x0, 0x2003f0, 0x15) ioctl$auto_PROCMAP_QUERY(0xffffffffffffffff, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-mprotect$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) mprotect$auto(0x1000, 0x400000, 0x4) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-clone$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-sendmsg$auto_L2TP_CMD_TUNNEL_CREATE-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) sendmsg$auto_L2TP_CMD_TUNNEL_CREATE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x15, r1, 0x1, 0x70bd2d, 0x25dfdbfc, {}, [@L2TP_ATTR_STATS={0x0, 0x1e, 0x0, 0x1, [@typed={0x0, 0x151, 0x0, 0x0, @u64=0x10000}]}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x48080) ioctl$auto(0x3, 0x80087601, 0x0) r2 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r2, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-syz_genetlink_get_family_id$auto_l2tp-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_l2tp(&(0x7f0000000640), 0xffffffffffffffff) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-socket$nl_generic-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) socket$nl_generic(0x10, 0x3, 0x10) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-openat$auto_bch_chardev_fops_chardev-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) openat$auto_bch_chardev_fops_chardev(0xffffffffffffff9c, 0x0, 0x400, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0xffffffffffffffff, 0x400008, 0x8, 0x15, 0x2, 0x5) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing program (duration=53.249589702s, {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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, 0x0, 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x67, 0x0, 0x7fff, 0x5, 0x80000000007, 0x1, 0x80000001, 0xff, 0x5, 0x7, 0xfbfffffe, 0x5, 0x7fb, 0x7, 0x9}) program did not crash testing program (duration=53.249589702s, {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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) ioctl$auto(0x3, 0x80087601, 0x0) r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x1a1000, 0x0) ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=53.249589702s, {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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio simplifying C reproducer testing compiled C program (duration=53.249589702s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program did not crash testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program did not crash testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program did not crash testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program did not crash testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program did not crash testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio testing compiled C program (duration=53.249589702s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true 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}}): mmap$auto-clone$auto-ioctl$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio reproducing took 52m49.485973472s repro crashed as (corrupted=false): BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: Oops: 0010 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 6539 Comm: syz-executor306 Not tainted 6.15.0-rc5-syzkaller-00207-g1a33418a69cc #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004a7f9c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f1092e RDX: ffff88806aa00000 RSI: ffffea0001e1b1c0 RDI: ffff888031e936c0 RBP: ffffea0001e1b1c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200094ff3a R13: ffff888031e936c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f7731a8a6c0(0000) GS:ffff8881249ec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012968000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0xc5/0x2a0 mm/filemap.c:2401 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3885 freader_get_folio+0x337/0x8e0 lib/buildid.c:77 freader_fetch+0xc2/0x5e0 lib/buildid.c:120 __build_id_parse.isra.0+0xec/0x7a0 lib/buildid.c:305 do_procmap_query+0xd96/0x1090 fs/proc/task_mmu.c:534 procfs_procmap_ioctl+0x7d/0xb0 fs/proc/task_mmu.c:613 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7731af3909 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7731a8a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7731b7e3d8 RCX: 00007f7731af3909 RDX: 0000200000000080 RSI: 00000000c0686611 RDI: 0000000000000003 RBP: 00007f7731b7e3d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7731b4b400 R13: 0000080000000007 R14: 00002000000000a0 R15: 0000200000000080 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004a7f9c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f1092e RDX: ffff88806aa00000 RSI: ffffea0001e1b1c0 RDI: ffff888031e936c0 RBP: ffffea0001e1b1c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200094ff3a R13: ffff888031e936c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f7731a8a6c0(0000) GS:ffff8881249ec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012968000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 final repro crashed as (corrupted=false): BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: Oops: 0010 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 6539 Comm: syz-executor306 Not tainted 6.15.0-rc5-syzkaller-00207-g1a33418a69cc #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004a7f9c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f1092e RDX: ffff88806aa00000 RSI: ffffea0001e1b1c0 RDI: ffff888031e936c0 RBP: ffffea0001e1b1c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200094ff3a R13: ffff888031e936c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f7731a8a6c0(0000) GS:ffff8881249ec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012968000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0xc5/0x2a0 mm/filemap.c:2401 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3885 freader_get_folio+0x337/0x8e0 lib/buildid.c:77 freader_fetch+0xc2/0x5e0 lib/buildid.c:120 __build_id_parse.isra.0+0xec/0x7a0 lib/buildid.c:305 do_procmap_query+0xd96/0x1090 fs/proc/task_mmu.c:534 procfs_procmap_ioctl+0x7d/0xb0 fs/proc/task_mmu.c:613 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7731af3909 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7731a8a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7731b7e3d8 RCX: 00007f7731af3909 RDX: 0000200000000080 RSI: 00000000c0686611 RDI: 0000000000000003 RBP: 00007f7731b7e3d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7731b4b400 R13: 0000080000000007 R14: 00002000000000a0 R15: 0000200000000080 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004a7f9c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81f1092e RDX: ffff88806aa00000 RSI: ffffea0001e1b1c0 RDI: ffff888031e936c0 RBP: ffffea0001e1b1c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200094ff3a R13: ffff888031e936c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f7731a8a6c0(0000) GS:ffff8881249ec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000012968000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400