Extracting prog: 2m23.150391346s
Minimizing prog: 16m22.845690891s
Simplifying prog options: 14m43.172774758s
Extracting C: 5m9.190111465s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-setxattr$incfs_id-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
setxattr$incfs_id(&(0x7f0000000140)='./file0/file0\x00', &(0x7f00000001c0), &(0x7f0000000540), 0xff57, 0x0)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-setxattr$incfs_id-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$eJzs3d9rW1UcAPDvTdv91nUwhvoghT04mUvX1h8TfJiPosOBvs/Q3pXRZBlNOtY6cHtwL77IEEQciH+A7z4O/wH/ioEOhoyiD75EbnrTZWvSZm22Zubzgduec+9Nzz0593t6Tk5CAhhaE9mPQsSrEfFtEnG47dho5Acn1s5bfXh9NtuSaDQ++yuJJN/XOj/Jfx/MM69ExG9fR5wsbCy3tryyUCqX08U8P1mvXJmsLa+culQpzafz6eXpmZkz78xMv//eu32r65vn//nh07sfnfnm+Or3v9w/cjuJs3EoP9Zejx240Z6ZiIn8ORmLs0+cONWHwgZJstsXwLaM5HE+FlkfcDhG8qgH/v++iogGMKQS8Q9DqjUOaM3t+zQPfmE8+HBtArSx/qNrr43Evubc6MBq8tjMKJvvjveh/KyMX/+8czvbon+vQwBs6cbNiDg9Orqx/0vy/m/7TvdwzpNl6P/g+bmbjX/e6jT+KayPf6LD+Odgh9jdjq3jv3C/D8V0lY3/Pug4/l1ftBofyXMvNcd8Y8nFS+U069tejogTMbY3y2+2nnNm9V6j27H28V+2ZeW3xoL5ddwf3fv4Y+ZK9dJO6tzuwc2I1zqOf5P19k86tH/2fJzvsYxj6Z3Xux3buv7PVuPniDc6tv+jFa1k8/XJyeb9MNm6Kzb6+9ax37uVv9v1z9r/wOb1H0/a12trT1/GT/v+Tbsd2+79vyf5vJnek++7VqrXF6ci9iSfbNw//eixrXzr/Kz+J45v3v91uv/3R8QXPdb/1tFbXU8dhPafe6r2f/rEvY+//LFb+b21/9vN1Il8Ty/9X68XuJPnDgAAAAAAAAZNISIORVIorqcLhWJx7f0dR+NAoVyt1U9erC5dnovmZ2XHY6zQWuk+3PZ+iKn8/bCt/PQT+ZmIOBIR343sb+aLs9Xy3G5XHgAAAAAAAAAAAAAAAAAAAAbEwS6f/8/8MbLbVwc8c77yG4bXlvHfj296AgaS//8wvMQ/DC/xD8NL/MPwEv8wvMQ/DC/xD8NL/AMAAAAAAAAAAAAAAAAAAAAAAAAAAEBfnT93Ltsaqw+vz2b5uavLSwvVq6fm0tpCsbI0W5ytLl4pzler8+W0OFutbPX3ytXqlanpWLo2WU9r9cna8sqFSnXpcv3CpUppPr2Qjj2XWgEAAAAAAAAAAAAAAAAAAMCLpba8slAql9NFCYltJUYH4zIk+pzY7Z4JAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB75LwAA///MUDi3")
setxattr$incfs_id(&(0x7f0000000140)='./file0/file0\x00', &(0x7f00000001c0), &(0x7f0000000540), 0xff57, 0x0)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-setxattr$incfs_id
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
setxattr$incfs_id(&(0x7f0000000140)='./file0/file0\x00', &(0x7f00000001c0), &(0x7f0000000540), 0xff57, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
testing program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone
detailed listing:
executing program 0:
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
extracting C reproducer
testing compiled C program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
validation run: crashed=true
testing program (duration=6m0s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-syz_clone
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x200000, &(0x7f0000000240)={[{@grpquota}, {}, {@nombcache}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@inlinecrypt}, {@nodelalloc}, {@noblock_validity}, {@debug}]}, 0xfe, 0x54c, &(0x7f0000000400)="$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")
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
program crashed: BUG: unable to handle kernel paging request in ext4_ext_map_blocks
validation run: crashed=true
reproducing took 44m21.327650003s
repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: ffffffffffffffec
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7012067 P4D 7012067 PUD 7014067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1902 Comm: syz.2.494 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_ext_drop_refs fs/ext4/extents.c:119 [inline]
RIP: 0010:ext4_free_ext_path fs/ext4/extents.c:128 [inline]
RIP: 0010:ext4_ext_map_blocks+0x2e59/0x6200 fs/ext4/extents.c:4497
Code: 40 01 00 00 4d 85 f6 0f 84 bc 00 00 00 48 89 5c 24 20 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 38 16 00 00 <41> 0f b7 46 08 c1 e0 04 48 8d 04 40 48 89 44 24 08 49 8d 46 28 48
RSP: 0018:ffffc90003abe720 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888119f21440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffec
RBP: ffffc90003abe9d0 R08: ffff88813367fc33 R09: 1ffff110266cff86
R10: dffffc0000000000 R11: ffffed10266cff87 R12: dffffc0000000000
R13: 1ffff92000757d10 R14: ffffffffffffffe4 R15: 0000000000000010
FS: 000055556763b500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffec CR3: 0000000132ed3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_map_blocks+0x9d8/0x1b70 fs/ext4/inode.c:679
_ext4_get_block+0x1ea/0x540 fs/ext4/inode.c:822
ext4_get_block+0x39/0x50 fs/ext4/inode.c:839
ext4_block_write_begin+0x594/0x1280 fs/ext4/inode.c:1124
ext4_write_begin+0x600/0xf90 fs/ext4/ext4_jbd2.h:-1
generic_perform_write+0x32d/0x740 mm/filemap.c:3914
ext4_buffered_write_iter+0x367/0x630 fs/ext4/file.c:285
ext4_file_write_iter+0x191/0x1500 fs/ext4/file.c:-1
__kernel_write_iter+0x296/0x660 fs/read_write.c:517
dump_emit_page fs/coredump.c:886 [inline]
dump_user_range+0x40b/0x660 fs/coredump.c:913
elf_core_dump+0x2b52/0x3060 fs/binfmt_elf.c:2354
do_coredump+0x15d3/0x2240 fs/coredump.c:760
get_signal+0x11db/0x1520 kernel/signal.c:2877
arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
irqentry_exit+0x12/0x40 kernel/entry/common.c:419
exc_page_fault+0x5e/0xb0 arch/x86/mm/fault.c:1520
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f000e39ce61
Code: 00 00 00 00 0f 1f 44 00 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f000e615fa0 RCX: 00007f000e39ce59
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f000e432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f000e615fac R14: 00007f000e615fa0 R15: 00007f000e615fa0
Modules linked in:
CR2: ffffffffffffffec
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_ext_drop_refs fs/ext4/extents.c:119 [inline]
RIP: 0010:ext4_free_ext_path fs/ext4/extents.c:128 [inline]
RIP: 0010:ext4_ext_map_blocks+0x2e59/0x6200 fs/ext4/extents.c:4497
Code: 40 01 00 00 4d 85 f6 0f 84 bc 00 00 00 48 89 5c 24 20 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 38 16 00 00 <41> 0f b7 46 08 c1 e0 04 48 8d 04 40 48 89 44 24 08 49 8d 46 28 48
RSP: 0018:ffffc90003abe720 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888119f21440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffec
RBP: ffffc90003abe9d0 R08: ffff88813367fc33 R09: 1ffff110266cff86
R10: dffffc0000000000 R11: ffffed10266cff87 R12: dffffc0000000000
R13: 1ffff92000757d10 R14: ffffffffffffffe4 R15: 0000000000000010
FS: 000055556763b500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffec CR3: 0000000132ed3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 40 01 00 rex add %eax,(%rax)
3: 00 4d 85 add %cl,-0x7b(%rbp)
6: f6 0f 84 testb $0x84,(%rdi)
9: bc 00 00 00 48 mov $0x48000000,%esp
e: 89 5c 24 20 mov %ebx,0x20(%rsp)
12: 49 8d 7e 08 lea 0x8(%r14),%rdi
16: 48 89 f8 mov %rdi,%rax
19: 48 c1 e8 03 shr $0x3,%rax
1d: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax
22: 84 c0 test %al,%al
24: 0f 85 38 16 00 00 jne 0x1662
* 2a: 41 0f b7 46 08 movzwl 0x8(%r14),%eax <-- trapping instruction
2f: c1 e0 04 shl $0x4,%eax
32: 48 8d 04 40 lea (%rax,%rax,2),%rax
36: 48 89 44 24 08 mov %rax,0x8(%rsp)
3b: 49 8d 46 28 lea 0x28(%r14),%rax
3f: 48 rex.W
final repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: ffffffffffffffec
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7012067 P4D 7012067 PUD 7014067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1902 Comm: syz.2.494 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_ext_drop_refs fs/ext4/extents.c:119 [inline]
RIP: 0010:ext4_free_ext_path fs/ext4/extents.c:128 [inline]
RIP: 0010:ext4_ext_map_blocks+0x2e59/0x6200 fs/ext4/extents.c:4497
Code: 40 01 00 00 4d 85 f6 0f 84 bc 00 00 00 48 89 5c 24 20 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 38 16 00 00 <41> 0f b7 46 08 c1 e0 04 48 8d 04 40 48 89 44 24 08 49 8d 46 28 48
RSP: 0018:ffffc90003abe720 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888119f21440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffec
RBP: ffffc90003abe9d0 R08: ffff88813367fc33 R09: 1ffff110266cff86
R10: dffffc0000000000 R11: ffffed10266cff87 R12: dffffc0000000000
R13: 1ffff92000757d10 R14: ffffffffffffffe4 R15: 0000000000000010
FS: 000055556763b500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffec CR3: 0000000132ed3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_map_blocks+0x9d8/0x1b70 fs/ext4/inode.c:679
_ext4_get_block+0x1ea/0x540 fs/ext4/inode.c:822
ext4_get_block+0x39/0x50 fs/ext4/inode.c:839
ext4_block_write_begin+0x594/0x1280 fs/ext4/inode.c:1124
ext4_write_begin+0x600/0xf90 fs/ext4/ext4_jbd2.h:-1
generic_perform_write+0x32d/0x740 mm/filemap.c:3914
ext4_buffered_write_iter+0x367/0x630 fs/ext4/file.c:285
ext4_file_write_iter+0x191/0x1500 fs/ext4/file.c:-1
__kernel_write_iter+0x296/0x660 fs/read_write.c:517
dump_emit_page fs/coredump.c:886 [inline]
dump_user_range+0x40b/0x660 fs/coredump.c:913
elf_core_dump+0x2b52/0x3060 fs/binfmt_elf.c:2354
do_coredump+0x15d3/0x2240 fs/coredump.c:760
get_signal+0x11db/0x1520 kernel/signal.c:2877
arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
irqentry_exit+0x12/0x40 kernel/entry/common.c:419
exc_page_fault+0x5e/0xb0 arch/x86/mm/fault.c:1520
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f000e39ce61
Code: 00 00 00 00 0f 1f 44 00 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f000e615fa0 RCX: 00007f000e39ce59
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f000e432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f000e615fac R14: 00007f000e615fa0 R15: 00007f000e615fa0
Modules linked in:
CR2: ffffffffffffffec
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_ext_drop_refs fs/ext4/extents.c:119 [inline]
RIP: 0010:ext4_free_ext_path fs/ext4/extents.c:128 [inline]
RIP: 0010:ext4_ext_map_blocks+0x2e59/0x6200 fs/ext4/extents.c:4497
Code: 40 01 00 00 4d 85 f6 0f 84 bc 00 00 00 48 89 5c 24 20 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 38 16 00 00 <41> 0f b7 46 08 c1 e0 04 48 8d 04 40 48 89 44 24 08 49 8d 46 28 48
RSP: 0018:ffffc90003abe720 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888119f21440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffec
RBP: ffffc90003abe9d0 R08: ffff88813367fc33 R09: 1ffff110266cff86
R10: dffffc0000000000 R11: ffffed10266cff87 R12: dffffc0000000000
R13: 1ffff92000757d10 R14: ffffffffffffffe4 R15: 0000000000000010
FS: 000055556763b500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffec CR3: 0000000132ed3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 40 01 00 rex add %eax,(%rax)
3: 00 4d 85 add %cl,-0x7b(%rbp)
6: f6 0f 84 testb $0x84,(%rdi)
9: bc 00 00 00 48 mov $0x48000000,%esp
e: 89 5c 24 20 mov %ebx,0x20(%rsp)
12: 49 8d 7e 08 lea 0x8(%r14),%rdi
16: 48 89 f8 mov %rdi,%rax
19: 48 c1 e8 03 shr $0x3,%rax
1d: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax
22: 84 c0 test %al,%al
24: 0f 85 38 16 00 00 jne 0x1662
* 2a: 41 0f b7 46 08 movzwl 0x8(%r14),%eax <-- trapping instruction
2f: c1 e0 04 shl $0x4,%eax
32: 48 8d 04 40 lea (%rax,%rax,2),%rax
36: 48 89 44 24 08 mov %rax,0x8(%rsp)
3b: 49 8d 46 28 lea 0x28(%r14),%rax
3f: 48 rex.W