Extracting prog: 1m27.88019129s
Minimizing prog: 7m11.744206719s
Simplifying prog options: 0s
Extracting C: 1m0.846701856s
Simplifying C: 8m10.562560887s


1 programs, timeouts [30s 1m40s 6m0s]
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280008a, &(0x7f00000007c0)={[{@numtail}, {@shortname_win95}, {@fat=@errors_remount}, {@iocharset={'iocharset', 0x3d, 'cp855'}}, {@uni_xlateno}, {@numtail}, {@utf8no}, {@fat=@flush}, {@rodir}, {@shortname_mixed}, {@shortname_winnt}, {@shortname_win95}, {@fat=@uid}, {@uni_xlateno}, {@utf8no}, {@shortname_mixed}, {@uni_xlateno}, {@shortname_winnt}]}, 0x97, 0x2a9, &(0x7f0000000500)="$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")
mount(&(0x7f0000000540)=@filename='./file1\x00', &(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='erofs\x00', 0x200000, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280008a, &(0x7f00000007c0)={[{@numtail}, {@shortname_win95}, {@fat=@errors_remount}, {@iocharset={'iocharset', 0x3d, 'cp855'}}, {@uni_xlateno}, {@numtail}, {@utf8no}, {@fat=@flush}, {@rodir}, {@shortname_mixed}, {@shortname_winnt}, {@shortname_win95}, {@fat=@uid}, {@uni_xlateno}, {@utf8no}, {@shortname_mixed}, {@uni_xlateno}, {@shortname_winnt}]}, 0x97, 0x2a9, &(0x7f0000000500)="$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")

program did not crash
testing program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount
detailed listing:
executing program 0:
mount(&(0x7f0000000540)=@filename='./file1\x00', &(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='erofs\x00', 0x200000, 0x0)

program did not crash
testing program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280008a, &(0x7f00000007c0)={[{@numtail}, {@shortname_win95}, {@fat=@errors_remount}, {@iocharset={'iocharset', 0x3d, 'cp855'}}, {@uni_xlateno}, {@numtail}, {@utf8no}, {@fat=@flush}, {@rodir}, {@shortname_mixed}, {@shortname_winnt}, {@shortname_win95}, {@fat=@uid}, {@uni_xlateno}, {@utf8no}, {@shortname_mixed}, {@uni_xlateno}, {@shortname_winnt}]}, 0x97, 0x2a9, &(0x7f0000000500)="$eJzs3T9ra2UYAPDnpGkSdEgEJxE8oINTabu6pEgLxUxKBnXQYluQJggtFPyDsZOri6OriyC4+SVc/AaCq+BmwcKRk5xjkt40N+m9ae+f32/p2/c8z3ue9/QtpcN58vGr/ZPDNI4vvvojGo0kKu1ox2USrahE6ZuY0v4uAICn2WWWxd/ZyDJ5SUQ0VlcWALBCS//9/2XlJQEAK/be+x+8s9Pp7L6bpo3Y63973s3/s8+/jq7vHMen0Yuj2IxmXEVk/xuN97IsG1TTXCve6A/Ou3lm/6PfivV3/ooY5m9FM1rDqen8/c7uVjoykT/I63ihuH87z9+OZrw84/77nd3tGfnRrcWbr0/UvxHN+P2T+Cx6cTgsYpQflYivt9L07ez7f778MC8vz08G5936MG4sW7vjHw0AAAAAAAAAAAAAAAAAAAAAAM+wjaJ3Tj2G/XvyqaL/ztpV/s16pKXWdH+eUX5SLnStP9Agix/K/jybaZpmReA4vxqvVKN6P7sGAAAAAAAAAAAAAAAAAACAJ8vZ51+cHPR6R6ePZVB2Ayhf67/tOu2JmddifnB9fK9KMZyzcqyVMUnE3DLyTSxc879F24PbPbqXbqr5p58XXufHh++9GKwvEPOIg/J0nRwks59hPcqZRnlIfp2MqcWC96rddClb6vjVZl5qLr332ovDwWBOTCTzCnvrz9GTK2aS67uoDZ/qzPT1YjCRPh3TWPw8578pD0h06wAAAAAAAAAAAAAAAAAAgJUav/Q74+LF3NRKVl9ZWQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABwp8af/7/EYFAkLxBci9Oze94iAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAz4H/AgAA///uD2MO")
mount(0x0, &(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='erofs\x00', 0x200000, 0x0)

program did not crash
testing program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280008a, &(0x7f00000007c0)={[{@numtail}, {@shortname_win95}, {@fat=@errors_remount}, {@iocharset={'iocharset', 0x3d, 'cp855'}}, {@uni_xlateno}, {@numtail}, {@utf8no}, {@fat=@flush}, {@rodir}, {@shortname_mixed}, {@shortname_winnt}, {@shortname_win95}, {@fat=@uid}, {@uni_xlateno}, {@utf8no}, {@shortname_mixed}, {@uni_xlateno}, {@shortname_winnt}]}, 0x97, 0x2a9, &(0x7f0000000500)="$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")
mount(&(0x7f0000000540)=@filename='./file1\x00', 0x0, &(0x7f00000005c0)='erofs\x00', 0x200000, 0x0)

program did not crash
testing program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280008a, &(0x7f00000007c0)={[{@numtail}, {@shortname_win95}, {@fat=@errors_remount}, {@iocharset={'iocharset', 0x3d, 'cp855'}}, {@uni_xlateno}, {@numtail}, {@utf8no}, {@fat=@flush}, {@rodir}, {@shortname_mixed}, {@shortname_winnt}, {@shortname_win95}, {@fat=@uid}, {@uni_xlateno}, {@utf8no}, {@shortname_mixed}, {@uni_xlateno}, {@shortname_winnt}]}, 0x97, 0x2a9, &(0x7f0000000500)="$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")
mount(&(0x7f0000000540)=@filename='./file1\x00', &(0x7f0000000580)='./file1\x00', 0x0, 0x200000, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
simplifying C reproducer
testing compiled C program (duration=59.691417198s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=59.691417198s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
reproducing took 17m51.033687792s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 256
vfat: Unknown parameter 's'
./file1: Can't lookup blockdev
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000029251067 P4D 8000000029251067 PUD 7a317067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5215 Comm: syz-executor209 Not tainted 6.11.0-syzkaller-08481-g88264981f208 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000380f9f8 EFLAGS: 00010293
RAX: ffffffff81cd4cdc RBX: 0000000000000000 RCX: ffff8880119b3c00
RDX: 0000000000000000 RSI: ffffea0000478040 RDI: 0000000000000000
RBP: ffffc9000380fab0 R08: ffffffff81cd4ca6 R09: 1ffffd400008f008
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400008f008
R13: ffffea0000478040 R14: ffffc9000380fa40 R15: 1ffffd400008f009
FS:  000055556db83380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007aa38000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0x14b/0x630 mm/filemap.c:2363
 do_read_cache_folio+0x3f5/0x850 mm/filemap.c:3821
 read_mapping_folio include/linux/pagemap.h:1011 [inline]
 erofs_bread+0x499/0xd40 fs/erofs/data.c:41
 erofs_read_superblock fs/erofs/super.c:277 [inline]
 erofs_fc_fill_super+0x345/0x1770 fs/erofs/super.c:621
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb4fa3faaf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffedaebbbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 6d616e74726f6873 RCX: 00007fb4fa3faaf9
RDX: 00000000200005c0 RSI: 0000000020000580 RDI: 0000000020000540
RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 74616c785f696e75
R13: 746e6e69773d656d R14: 646578696d3d656d R15: 0000000000000001
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000380f9f8 EFLAGS: 00010293
RAX: ffffffff81cd4cdc RBX: 0000000000000000 RCX: ffff8880119b3c00
RDX: 0000000000000000 RSI: ffffea0000478040 RDI: 0000000000000000
RBP: ffffc9000380fab0 R08: ffffffff81cd4ca6 R09: 1ffffd400008f008
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400008f008
R13: ffffea0000478040 R14: ffffc9000380fa40 R15: 1ffffd400008f009
FS:  000055556db83380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007aa38000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 256
vfat: Unknown parameter 's'
./file1: Can't lookup blockdev
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000029251067 P4D 8000000029251067 PUD 7a317067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5215 Comm: syz-executor209 Not tainted 6.11.0-syzkaller-08481-g88264981f208 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000380f9f8 EFLAGS: 00010293
RAX: ffffffff81cd4cdc RBX: 0000000000000000 RCX: ffff8880119b3c00
RDX: 0000000000000000 RSI: ffffea0000478040 RDI: 0000000000000000
RBP: ffffc9000380fab0 R08: ffffffff81cd4ca6 R09: 1ffffd400008f008
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400008f008
R13: ffffea0000478040 R14: ffffc9000380fa40 R15: 1ffffd400008f009
FS:  000055556db83380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007aa38000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0x14b/0x630 mm/filemap.c:2363
 do_read_cache_folio+0x3f5/0x850 mm/filemap.c:3821
 read_mapping_folio include/linux/pagemap.h:1011 [inline]
 erofs_bread+0x499/0xd40 fs/erofs/data.c:41
 erofs_read_superblock fs/erofs/super.c:277 [inline]
 erofs_fc_fill_super+0x345/0x1770 fs/erofs/super.c:621
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb4fa3faaf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffedaebbbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 6d616e74726f6873 RCX: 00007fb4fa3faaf9
RDX: 00000000200005c0 RSI: 0000000020000580 RDI: 0000000020000540
RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000246 R12: 74616c785f696e75
R13: 746e6e69773d656d R14: 646578696d3d656d R15: 0000000000000001
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000380f9f8 EFLAGS: 00010293
RAX: ffffffff81cd4cdc RBX: 0000000000000000 RCX: ffff8880119b3c00
RDX: 0000000000000000 RSI: ffffea0000478040 RDI: 0000000000000000
RBP: ffffc9000380fab0 R08: ffffffff81cd4ca6 R09: 1ffffd400008f008
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400008f008
R13: ffffea0000478040 R14: ffffc9000380fa40 R15: 1ffffd400008f009
FS:  000055556db83380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007aa38000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400