Extracting prog: 2m8.736375459s Minimizing prog: 82.97µs Simplifying prog options: 0s Extracting C: 24.375183611s Simplifying C: 8m17.366682261s extracting reproducer from 30 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000980)='./file0\x00', 0x8000, &(0x7f0000000180)={[{@resuid}, {@nodelalloc}]}, 0x1, 0x519, &(0x7f00000009c0)="$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") program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program extracting C reproducer testing compiled C program (duration=45.230012274s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks simplifying C reproducer testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing compiled C program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks testing program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000980)='./file0\x00', 0x8000, &(0x7f0000000180)={[{@resuid}, {@nodelalloc}]}, 0x1, 0x519, &(0x7f00000009c0)="$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") program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks validation run: crashed=true testing program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000980)='./file0\x00', 0x8000, &(0x7f0000000180)={[{@resuid}, {@nodelalloc}]}, 0x1, 0x519, &(0x7f00000009c0)="$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") program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks validation run: crashed=true testing program (duration=45.230012274s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000980)='./file0\x00', 0x8000, &(0x7f0000000180)={[{@resuid}, {@nodelalloc}]}, 0x1, 0x519, &(0x7f00000009c0)="$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") program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks validation run: crashed=true reproducing took 15m29.59762285s repro crashed as (corrupted=false): EXT4-fs error (device loop0): ext4_dirty_inode:6133: inode #3: comm syz.0.17: mark_inode_dirty error EXT4-fs error (device loop0): ext4_do_update_inode:5268: inode #3: comm syz.0.17: corrupted inode contents EXT4-fs error (device loop0): __ext4_ext_dirty:206: inode #3: comm syz.0.17: mark_inode_dirty error Unable to handle kernel paging request at virtual address ffffffffffffff93 KASAN: maybe wild-memory-access in range [0x0003fffffffffc98-0x0003fffffffffc9f] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dfcc000 [ffffffffffffff93] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4497 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_ext_drop_refs fs/ext4/extents.c:119 [inline] pc : ext4_free_ext_path fs/ext4/extents.c:128 [inline] pc : ext4_ext_map_blocks+0x2a70/0x570c fs/ext4/extents.c:4497 lr : ext4_ext_map_blocks+0x1528/0x570c fs/ext4/extents.c:4438 sp : ffff800021406800 x29: ffff800021406a80 x28: dfff800000000000 x27: 0000000000000001 x26: ffff800021406cc0 x25: 0000000000000001 x24: 0000000000000001 x23: 0000000000000001 x22: 0000000000000042 x21: 0000000000000029 x20: ffff800021406cc0 x19: ffffffffffffff8b x18: ffff800011b9bf60 x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 x14: 0000000000000001 x13: 1fffe000180c3f11 x12: 0000000000ff0100 x11: ff00800008db745c x10: 0000000000000000 x9 : 7de237244664a300 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : ffff0000c061f1d0 x3 : ffff800008a90998 x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffffffffffffff93 Call trace: ext4_ext_drop_refs fs/ext4/extents.c:119 [inline] ext4_free_ext_path fs/ext4/extents.c:128 [inline] ext4_ext_map_blocks+0x2a70/0x570c fs/ext4/extents.c:4497 ext4_map_blocks+0x860/0x1778 fs/ext4/inode.c:679 ext4_getblk+0x178/0x664 fs/ext4/inode.c:890 ext4_bread+0x3c/0x1a8 fs/ext4/inode.c:946 ext4_quota_write+0x204/0x534 fs/ext4/super.c:7222 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x284/0x574 fs/quota/quota_tree.c:136 do_insert_tree+0x1c4/0xc34 fs/quota/quota_tree.c:347 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x3d4/0x4f0 fs/quota/quota_tree.c:451 v2_write_dquot+0xf0/0x180 fs/quota/quota_v2.c:361 dquot_acquire+0x2a8/0x4d8 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x428 fs/ext4/super.c:6831 dqget+0x654/0xcc4 fs/quota/dquot.c:988 __dquot_initialize+0x2fc/0xacc fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b4 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x920/0x1060 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5556 [inline] ext4_fill_super+0x6188/0x660c fs/ext4/super.c:5687 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5bc/0xe80 fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 2a1803fb d343fc08 38fc6908 35006ba8 (79401276) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 2a1803fb mov w27, w24 4: d343fc08 lsr x8, x0, #3 8: 38fc6908 ldrsb w8, [x8, x28] c: 35006ba8 cbnz w8, 0xd80 * 10: 79401276 ldrh w22, [x19, #8] <-- trapping instruction final repro crashed as (corrupted=false): EXT4-fs error (device loop0): ext4_dirty_inode:6133: inode #3: comm syz.0.17: mark_inode_dirty error EXT4-fs error (device loop0): ext4_do_update_inode:5268: inode #3: comm syz.0.17: corrupted inode contents EXT4-fs error (device loop0): __ext4_ext_dirty:206: inode #3: comm syz.0.17: mark_inode_dirty error Unable to handle kernel paging request at virtual address ffffffffffffff93 KASAN: maybe wild-memory-access in range [0x0003fffffffffc98-0x0003fffffffffc9f] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dfcc000 [ffffffffffffff93] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4497 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_ext_drop_refs fs/ext4/extents.c:119 [inline] pc : ext4_free_ext_path fs/ext4/extents.c:128 [inline] pc : ext4_ext_map_blocks+0x2a70/0x570c fs/ext4/extents.c:4497 lr : ext4_ext_map_blocks+0x1528/0x570c fs/ext4/extents.c:4438 sp : ffff800021406800 x29: ffff800021406a80 x28: dfff800000000000 x27: 0000000000000001 x26: ffff800021406cc0 x25: 0000000000000001 x24: 0000000000000001 x23: 0000000000000001 x22: 0000000000000042 x21: 0000000000000029 x20: ffff800021406cc0 x19: ffffffffffffff8b x18: ffff800011b9bf60 x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 x14: 0000000000000001 x13: 1fffe000180c3f11 x12: 0000000000ff0100 x11: ff00800008db745c x10: 0000000000000000 x9 : 7de237244664a300 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : ffff0000c061f1d0 x3 : ffff800008a90998 x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffffffffffffff93 Call trace: ext4_ext_drop_refs fs/ext4/extents.c:119 [inline] ext4_free_ext_path fs/ext4/extents.c:128 [inline] ext4_ext_map_blocks+0x2a70/0x570c fs/ext4/extents.c:4497 ext4_map_blocks+0x860/0x1778 fs/ext4/inode.c:679 ext4_getblk+0x178/0x664 fs/ext4/inode.c:890 ext4_bread+0x3c/0x1a8 fs/ext4/inode.c:946 ext4_quota_write+0x204/0x534 fs/ext4/super.c:7222 write_blk fs/quota/quota_tree.c:70 [inline] get_free_dqblk+0x284/0x574 fs/quota/quota_tree.c:136 do_insert_tree+0x1c4/0xc34 fs/quota/quota_tree.c:347 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 do_insert_tree+0x790/0xc34 fs/quota/quota_tree.c:402 dq_insert_tree fs/quota/quota_tree.c:432 [inline] qtree_write_dquot+0x3d4/0x4f0 fs/quota/quota_tree.c:451 v2_write_dquot+0xf0/0x180 fs/quota/quota_v2.c:361 dquot_acquire+0x2a8/0x4d8 fs/quota/dquot.c:472 ext4_acquire_dquot+0x270/0x428 fs/ext4/super.c:6831 dqget+0x654/0xcc4 fs/quota/dquot.c:988 __dquot_initialize+0x2fc/0xacc fs/quota/dquot.c:1517 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1579 ext4_process_orphan+0x5c/0x2b4 fs/ext4/orphan.c:327 ext4_orphan_cleanup+0x920/0x1060 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5556 [inline] ext4_fill_super+0x6188/0x660c fs/ext4/super.c:5687 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5717 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5bc/0xe80 fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 2a1803fb d343fc08 38fc6908 35006ba8 (79401276) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 2a1803fb mov w27, w24 4: d343fc08 lsr x8, x0, #3 8: 38fc6908 ldrsb w8, [x8, x28] c: 35006ba8 cbnz w8, 0xd80 * 10: 79401276 ldrh w22, [x19, #8] <-- trapping instruction