Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 45.304599] ------------[ cut here ]------------
[ 45.305546] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 45.307565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243
[ 45.309033] Modules linked in:
[ 45.309663] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 45.311634] Tainted: [W]=WARN
[ 45.312222] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.313677] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 45.314605] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 45.317742] RSP: 0018:ffff888015fffbc0 EFLAGS: 00010286
[ 45.318724] RAX: 0000000000000000 RBX: ffffed1002bfff78 RCX: ffffffff813a4050
[ 45.319995] RDX: ffff888015f11bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 45.321283] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bfff2f
[ 45.322561] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 45.323831] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fffdf8
[ 45.325098] FS: 00007f2877501900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 45.326538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.327595] CR2: 00007f28779f3580 CR3: 0000000009ca9000 CR4: 0000000000350ef0
[ 45.328878] Call Trace:
[ 45.329405]
[ 45.329807] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 45.330700] ? __create_object+0x59/0x80
[ 45.331476] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.332434] __vmalloc_noprof+0x59/0x60
[ 45.333192] bpf_prog_alloc_no_stats+0x55/0x470
[ 45.334022] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.334930] bpf_prog_alloc+0x39/0x200
[ 45.335661] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.336575] bpf_prog_create_from_user+0xb2/0x2f0
[ 45.337479] do_seccomp+0x349/0x25e0
[ 45.338188] ? __pfx_css_rstat_updated+0x10/0x10
[ 45.339036] ? __pfx_do_seccomp+0x10/0x10
[ 45.339809] ? find_held_lock+0x2b/0x80
[ 45.340560] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 45.341523] ? static_key_count+0x60/0x80
[ 45.342323] prctl_set_seccomp+0x4e/0x70
[ 45.343043] __do_sys_prctl+0xe6c/0x1d70
[ 45.343810] ? __pfx___do_sys_prctl+0x10/0x10
[ 45.344654] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.345618] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 45.346585] ? irqentry_exit+0xf3/0x650
[ 45.347340] do_syscall_64+0xbf/0x430
[ 45.348036] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 45.348971] RIP: 0033:0x7f28779f35cd
[ 45.349671] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 45.352782] RSP: 002b:00007fff7c69d340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 45.354187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28779f35cd
[ 45.355467] RDX: 0000560b198b5e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 45.356746] RBP: 00007fff7c69d3a0 R08: 0000000000000000 R09: 00007fff7c69ca40
[ 45.358049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b4e5e0240
[ 45.359335] R13: 00007fff7c69d7d0 R14: 0000560b4e5dfbf0 R15: 0000560b4e5f44d0
[ 45.360621]
[ 45.361037] irq event stamp: 1711
[ 45.361691] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80
[ 45.362966] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80
[ 45.364234] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770
[ 45.365524] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100
[ 45.366777] ---[ end trace 0000000000000000 ]---
[ 48.254375] ------------[ cut here ]------------
[ 48.255305] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.257168] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250
[ 48.259739] Modules linked in:
[ 48.260408] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 48.262245] Tainted: [W]=WARN
[ 48.262744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.264098] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.264899] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 48.267795] RSP: 0018:ffff888015cffbc0 EFLAGS: 00010286
[ 48.268682] RAX: 0000000000000000 RBX: ffffed1002b9ff78 RCX: ffffffff813a4050
[ 48.269878] RDX: ffff888015ffb780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.271035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b9ff2f
[ 48.272236] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.273432] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cffdf8
[ 48.274608] FS: 00007f3fa0d32900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 48.275931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.276899] CR2: 00007f3fa1224580 CR3: 0000000013d57000 CR4: 0000000000350ef0
[ 48.278109] Call Trace:
[ 48.278523]
[ 48.278910] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.279717] ? __create_object+0x59/0x80
[ 48.280452] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.281357] __vmalloc_noprof+0x59/0x60
[ 48.282019] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.282822] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.283687] bpf_prog_alloc+0x39/0x200
[ 48.284383] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.285358] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.286190] do_seccomp+0x349/0x25e0
[ 48.286812] ? __pfx_css_rstat_updated+0x10/0x10
[ 48.287625] ? __pfx_do_seccomp+0x10/0x10
[ 48.288367] ? find_held_lock+0x2b/0x80
[ 48.289048] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.290024] ? static_key_count+0x60/0x80
[ 48.290791] prctl_set_seccomp+0x4e/0x70
[ 48.291501] __do_sys_prctl+0xe6c/0x1d70
[ 48.292238] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.292983] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.293889] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.294790] ? irqentry_exit+0xf3/0x650
[ 48.295508] do_syscall_64+0xbf/0x430
[ 48.296209] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.297038] RIP: 0033:0x7f3fa12245cd
[ 48.297695] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 48.300612] RSP: 002b:00007ffcda3cbf70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 48.301914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fa12245cd
[ 48.303119] RDX: 0000557facad0e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 48.304288] RBP: 00007ffcda3cbfd0 R08: 0000000000000000 R09: 00007ffcda3cb670
[ 48.305489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fbcb3bad0
[ 48.306670] R13: 00007ffcda3cc400 R14: 0000557fbcb3cbc0 R15: 0000557fbcb4d780
[ 48.307894]
[ 48.308318] irq event stamp: 2045
[ 48.308883] hardirqs last enabled at (2053): [] __up_console_sem+0x78/0x80
[ 48.310276] hardirqs last disabled at (2062): [] __up_console_sem+0x5d/0x80
[ 48.311664] softirqs last enabled at (1938): [] handle_softirqs+0x50c/0x770
[ 48.313101] softirqs last disabled at (1933): [] __irq_exit_rcu+0xc4/0x100
[ 48.314488] ---[ end trace 0000000000000000 ]---
[ 48.968488] ------------[ cut here ]------------
[ 48.969445] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.971518] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257
[ 48.972957] Modules linked in:
[ 48.973609] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 48.975592] Tainted: [W]=WARN
[ 48.976190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.977913] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.978895] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 48.982049] RSP: 0018:ffff888017ac7bc0 EFLAGS: 00010286
[ 48.983022] RAX: 0000000000000000 RBX: ffffed1002f58f78 RCX: ffffffff813a4050
[ 48.984306] RDX: ffff88800f5b8000 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.985596] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f58f2f
[ 48.986890] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.988179] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ac7df8
[ 48.989499] FS: 00007f2d8c450900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 48.990945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.992020] CR2: 00007ffe02a48ef8 CR3: 000000000c7ea000 CR4: 0000000000350ef0
[ 48.993353] Call Trace:
[ 48.993825]
[ 48.994285] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.995204] ? __create_object+0x59/0x80
[ 48.995947] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.996935] __vmalloc_noprof+0x59/0x60
[ 48.997726] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.998601] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.999545] bpf_prog_alloc+0x39/0x200
[ 49.000285] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.001242] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.002148] do_seccomp+0x349/0x25e0
[ 49.002825] ? find_held_lock+0x2b/0x80
[ 49.003584] ? do_prlimit+0x310/0x610
[ 49.004339] ? __pfx_do_seccomp+0x10/0x10
[ 49.005126] ? do_raw_spin_unlock+0x53/0x220
[ 49.005931] ? _raw_spin_unlock+0x1e/0x40
[ 49.006713] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.007684] ? static_key_count+0x60/0x80
[ 49.008501] prctl_set_seccomp+0x4e/0x70
[ 49.009302] __do_sys_prctl+0xe6c/0x1d70
[ 49.010045] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.010915] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.011887] ? irqentry_exit+0xf3/0x650
[ 49.012650] do_syscall_64+0xbf/0x430
[ 49.013403] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.014364] RIP: 0033:0x7f2d8c9425cd
[ 49.015028] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 49.018324] RSP: 002b:00007ffe02a474a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.019716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d8c9425cd
[ 49.021017] RDX: 000055d7ec23ce00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.022325] RBP: 00007ffe02a47500 R08: 0000000000000000 R09: 00007ffe02a46ba0
[ 49.023608] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7ec545ad0
[ 49.024901] R13: 00007ffe02a47930 R14: 000055d7ec546bc0 R15: 000055d7ec557780
[ 49.026193]
[ 49.026575] irq event stamp: 1835
[ 49.027161] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80
[ 49.028540] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80
[ 49.029926] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770
[ 49.031323] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100
[ 49.032678] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:41581' (ECDSA) to the list of known hosts.
2025/11/18 00:10:15 fuzzer started
2025/11/18 00:10:15 dialing manager at localhost:37895
2025/11/18 00:10:15 checking machine...
2025/11/18 00:10:15 checking revisions...
[ 49.924680] kmemleak: Automatic memory scanning thread ended
2025/11/18 00:10:15 testing simple program...
[ 50.021172] cgroup: Unknown subsys name 'net'
[ 50.089015] cgroup: Unknown subsys name 'cpuset'
[ 50.104252] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
00:10:14 Registers:
info registers vcpu 0
RAX=ffff8880143a8001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff8880143a8001
RSI=ffff8880143a7f58 RDI=ffff8880143a7fd8 RBP=ffff8880143a7580 RSP=ffff8880143a74b0
R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003
R12=ffff8880143a7588 R13=ffff8880143a7570 R14=ffff8880143a7f58 R15=ffff8880143a7528
RIP=ffffffff8135da20 RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007f3fa0d32900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe1600000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f3fa0ce1008 CR3=000000001fd33000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469
XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=000000000002a4cb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58
R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001
R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe7c00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f21046ae000 CR3=000000000d8b9000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=d91f4f52e206d4a947459c16fb74d5a1
XMM02=0000000000305f48eff9b2d0a8fce9cb XMM03=00000000003060182c67c8bc2e329bc3
XMM04=30ed5c804342f38600000000000ae988 XMM05=e9e46010317138390000000000321b60
XMM06=5b441c9aa749204700000000003219e8 XMM07=e042d86d42eb936e0000000000312db8
XMM08=e3055c3b9ccbc5370000000000306018 XMM09=00000000000000000000000000000000
XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000