Extracting prog: 3m53.839276285s
Minimizing prog: 7m27.776534557s
Simplifying prog options: 0s
Extracting C: 55.858281162s
Simplifying C: 10m35.731313247s


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: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$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program crashed: kernel BUG in blk_mq_end_request
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=1m40s, {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$erofs
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")

program did not crash
testing program (duration=1m40s, {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}}): open
detailed listing:
executing program 0:
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program did not crash
testing program (duration=1m40s, {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$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$eJzslc+u0kAUxr+ZlpZ74xO4ceFN1IWlLWrc3OSyceXCxD/EhYlECkGLGOhCSAzxCdy7c+FjmOjWhzBoYnSDGzUux0xnWkYCWFDE5J5fwvDNv9MzM+03IAji2PLh/feJ+Hb4qQzgBA7g6vbP1mwMN8a/K3958ubqlfqzOy/fuhNvb1FMIYo/3wbwumYhyef+OvtA/98Az/VNcJzTug4GT+u74LildQSG21rfN3RPjve8VieOvHu9uCmFL4tAFqEsqvP5TZ8yNI38mNE/GI4eNOI46m9R/G7/pjWOQyM/87w8qGx9Y/8CcARaV8FwXevLcLO9UVui4u/LvpP2LL61cv0O/nDZH4ES8pZW8ek21n2WA2CzVAH2T85+y8JCKrITLTyd6W/g/1jFCgH7rwUULrDr5SwRr47UceSpjlV9vThHS7qconF+CHPnc38SLxjOGP6krOR5etVUku6jymA4Ot/pNtpRO3oYhtVL/gXfvxhWUiOSN0zkr/C/vdSf92fxF95JEoc5eNxIkn6gyrweqnKR4/LU/znOnkZJ1uV778zF/Wpopn8c5ZJuyj6u8dJFEARB7IBTYKknp76cCX2b5B1ChNd2nCdBEARBEARBEARBEJvzMwAA///t5Vmj")
open(0x0, 0x100, 0x123)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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$erofs-open
program crashed: kernel BUG in blk_mq_end_request
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {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: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$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {Threaded:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
program crashed: kernel BUG in blk_mq_end_request
testing program (duration=1m40s, {Threaded:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program crashed: kernel BUG in blk_mq_end_request
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program crashed: kernel BUG in blk_mq_end_request
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-open
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000040), &(0x7f0000000140)='./file0\x00', 0x1000808, &(0x7f0000000000)=ANY=[@ANYRES8=0x0, @ANYRES16], 0xfd, 0x1dd, &(0x7f0000000640)="$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")
open(&(0x7f0000000200)='./file2\x00', 0x100, 0x123)

program crashed: kernel BUG in blk_mq_end_request
validation run: crashed=true
reproducing took 28m34.749729512s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at block/blk-mq.c:1161!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1161
Code: e8 e9 ff 63 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 9c b1 c5 fd eb c7 e8 c5 ff 63 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90000a4faf8 EFLAGS: 00010246
RAX: ffffffff845aed6b RBX: ffff888024819180 RCX: ffff88801c2dbc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888024819180 R15: ffffffff8b58c428
FS:  0000000000000000(0000) GS:ffff888126cc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ddc36d5950 CR3: 000000000d5a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_complete_reqs block/blk-mq.c:1235 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1240
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 run_ksoftirqd+0xac/0x210 kernel/softirq.c:1063
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1161
Code: e8 e9 ff 63 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 9c b1 c5 fd eb c7 e8 c5 ff 63 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90000a4faf8 EFLAGS: 00010246
RAX: ffffffff845aed6b RBX: ffff888024819180 RCX: ffff88801c2dbc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888024819180 R15: ffffffff8b58c428
FS:  0000000000000000(0000) GS:ffff888126cc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ddc36d5950 CR3: 000000000d5a6000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at block/blk-mq.c:1161!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1161
Code: e8 e9 ff 63 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 9c b1 c5 fd eb c7 e8 c5 ff 63 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90000a4faf8 EFLAGS: 00010246
RAX: ffffffff845aed6b RBX: ffff888024819180 RCX: ffff88801c2dbc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888024819180 R15: ffffffff8b58c428
FS:  0000000000000000(0000) GS:ffff888126cc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ddc36d5950 CR3: 000000000d5a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 blk_complete_reqs block/blk-mq.c:1235 [inline]
 blk_done_softirq+0x10a/0x160 block/blk-mq.c:1240
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 run_ksoftirqd+0xac/0x210 kernel/softirq.c:1063
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:blk_mq_end_request+0x6c/0x70 block/blk-mq.c:1161
Code: e8 e9 ff 63 fd 48 89 df 89 ee 5b 5d e9 5d f8 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c ce e8 9c b1 c5 fd eb c7 e8 c5 ff 63 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90000a4faf8 EFLAGS: 00010246
RAX: ffffffff845aed6b RBX: ffff888024819180 RCX: ffff88801c2dbc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000100 R11: 0000000000000009 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888024819180 R15: ffffffff8b58c428
FS:  0000000000000000(0000) GS:ffff888126cc9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ddc36d5950 CR3: 000000000d5a6000 CR4: 00000000003526f0