Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 45.783499] ------------[ cut here ]------------
[ 45.784263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 45.786017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233
[ 45.787234] Modules linked in:
[ 45.787772] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 45.789404] Tainted: [W]=WARN
[ 45.789913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.791126] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 45.791879] 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
[ 45.794522] RSP: 0018:ffff888017eafbc0 EFLAGS: 00010286
[ 45.795345] RAX: 0000000000000000 RBX: ffffed1002fd5f78 RCX: ffffffff813a4050
[ 45.796415] RDX: ffff888017fa5340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 45.797474] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fd5f2f
[ 45.798551] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 45.799621] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017eafdf8
[ 45.800693] FS: 00007f9a825a1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 45.801897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.802792] CR2: 00007f9a82a93580 CR3: 000000000bf93000 CR4: 0000000000350ef0
[ 45.803867] Call Trace:
[ 45.804250]
[ 45.804589] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 45.805329] ? __create_object+0x59/0x80
[ 45.805986] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.806793] __vmalloc_noprof+0x59/0x60
[ 45.807384] bpf_prog_alloc_no_stats+0x55/0x470
[ 45.808100] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.808873] bpf_prog_alloc+0x39/0x200
[ 45.809449] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.810247] bpf_prog_create_from_user+0xb2/0x2f0
[ 45.811019] do_seccomp+0x349/0x25e0
[ 45.811603] ? __pfx_css_rstat_updated+0x10/0x10
[ 45.812374] ? __pfx_do_seccomp+0x10/0x10
[ 45.813047] ? find_held_lock+0x2b/0x80
[ 45.813670] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 45.814510] ? static_key_count+0x60/0x80
[ 45.815199] prctl_set_seccomp+0x4e/0x70
[ 45.815861] __do_sys_prctl+0xe6c/0x1d70
[ 45.816495] ? __pfx___do_sys_prctl+0x10/0x10
[ 45.817220] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.818041] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 45.818864] ? irqentry_exit+0xf3/0x650
[ 45.819482] do_syscall_64+0xbf/0x430
[ 45.820111] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 45.820916] RIP: 0033:0x7f9a82a935cd
[ 45.821479] 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
[ 45.824204] RSP: 002b:00007ffe916f6120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 45.825370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a82a935cd
[ 45.826466] RDX: 0000561064a55e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 45.827562] RBP: 00007ffe916f6180 R08: 0000000000000000 R09: 00007ffe916f5820
[ 45.828654] R10: 0000000000000000 R11: 0000000000000246 R12: 000056107d771ad0
[ 45.829762] R13: 00007ffe916f65b0 R14: 000056107d772bc0 R15: 000056107d783780
[ 45.830865]
[ 45.831226] irq event stamp: 1753
[ 45.831781] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80
[ 45.833076] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80
[ 45.834395] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770
[ 45.835721] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100
[ 45.837027] ---[ end trace 0000000000000000 ]---
[ 48.948354] ------------[ cut here ]------------
[ 48.949311] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.951389] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240
[ 48.952848] Modules linked in:
[ 48.953443] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 48.955492] Tainted: [W]=WARN
[ 48.956338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.957931] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.958876] 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
[ 48.962154] RSP: 0018:ffff8880173afbc0 EFLAGS: 00010286
[ 48.963164] RAX: 0000000000000000 RBX: ffffed1002e75f78 RCX: ffffffff813a4050
[ 48.964475] RDX: ffff888017c8b780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.965809] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e75f2f
[ 48.967122] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.968442] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173afdf8
[ 48.969788] FS: 00007fe2e77c7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 48.971297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.972395] CR2: 00007ffe4969eef7 CR3: 000000000db36000 CR4: 0000000000350ef0
[ 48.973724] Call Trace:
[ 48.974241]
[ 48.974660] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.975591] ? __create_object+0x59/0x80
[ 48.976399] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.977393] __vmalloc_noprof+0x59/0x60
[ 48.978187] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.979080] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.980038] bpf_prog_alloc+0x39/0x200
[ 48.980796] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.981727] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.982663] do_seccomp+0x349/0x25e0
[ 48.983400] ? find_held_lock+0x2b/0x80
[ 48.984179] ? do_prlimit+0x310/0x610
[ 48.984939] ? __pfx_do_seccomp+0x10/0x10
[ 48.985712] ? do_raw_spin_unlock+0x53/0x220
[ 48.986570] ? _raw_spin_unlock+0x1e/0x40
[ 48.987377] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.988371] ? static_key_count+0x60/0x80
[ 48.989195] prctl_set_seccomp+0x4e/0x70
[ 48.990001] __do_sys_prctl+0xe6c/0x1d70
[ 48.990815] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.991650] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.992639] ? irqentry_exit+0xf3/0x650
[ 48.993426] do_syscall_64+0xbf/0x430
[ 48.994203] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.995187] RIP: 0033:0x7fe2e7cb95cd
[ 48.995915] 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
[ 48.999213] RSP: 002b:00007ffe4969cc80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.000620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2e7cb95cd
[ 49.001960] RDX: 0000558325b63e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.003284] RBP: 00007ffe4969cce0 R08: 0000000000000000 R09: 00007ffe4969c380
[ 49.004612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558360994ad0
[ 49.005941] R13: 00007ffe4969d110 R14: 0000558360995bc0 R15: 00005583609a6780
[ 49.007280]
[ 49.007712] irq event stamp: 1847
[ 49.008374] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80
[ 49.009951] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80
[ 49.011343] softirqs last enabled at (1478): [] handle_softirqs+0x50c/0x770
[ 49.012674] softirqs last disabled at (1473): [] __irq_exit_rcu+0xc4/0x100
[ 49.013990] ---[ end trace 0000000000000000 ]---
[ 49.637625] ------------[ cut here ]------------
[ 49.638570] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 49.640590] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247
[ 49.642063] Modules linked in:
[ 49.642660] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 49.644914] Tainted: [W]=WARN
[ 49.645464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.647002] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 49.647932] 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
[ 49.651082] RSP: 0018:ffff888016897bc0 EFLAGS: 00010286
[ 49.652056] RAX: 0000000000000000 RBX: ffffed1002d12f78 RCX: ffffffff813a4050
[ 49.653354] RDX: ffff8880175d0000 RSI: ffffffff813a405e RDI: 0000000000000001
[ 49.654634] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d12f2f
[ 49.655913] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 49.657173] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016897df8
[ 49.658476] FS: 00007f21a2c0c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 49.659909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.660963] CR2: 00007ffe0b514ef7 CR3: 0000000015fd9000 CR4: 0000000000350ef0
[ 49.662251] Call Trace:
[ 49.662718]
[ 49.663170] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 49.664063] ? __create_object+0x59/0x80
[ 49.664835] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 49.665797] __vmalloc_noprof+0x59/0x60
[ 49.666500] bpf_prog_alloc_no_stats+0x55/0x470
[ 49.667360] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.668290] bpf_prog_alloc+0x39/0x200
[ 49.669029] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.669953] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.670859] do_seccomp+0x349/0x25e0
[ 49.671531] ? find_held_lock+0x2b/0x80
[ 49.672300] ? do_prlimit+0x310/0x610
[ 49.673035] ? __pfx_do_seccomp+0x10/0x10
[ 49.673821] ? do_raw_spin_unlock+0x53/0x220
[ 49.674606] ? _raw_spin_unlock+0x1e/0x40
[ 49.675379] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.676346] ? static_key_count+0x60/0x80
[ 49.677142] prctl_set_seccomp+0x4e/0x70
[ 49.677923] __do_sys_prctl+0xe6c/0x1d70
[ 49.678652] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.679505] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.680461] ? irqentry_exit+0xf3/0x650
[ 49.681224] do_syscall_64+0xbf/0x430
[ 49.681964] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.682907] RIP: 0033:0x7f21a30fe5cd
[ 49.683554] 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
[ 49.686700] RSP: 002b:00007ffe0b5122a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.688062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21a30fe5cd
[ 49.689339] RDX: 0000557462ffbe00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.690612] RBP: 00007ffe0b512300 R08: 0000000000000000 R09: 00007ffe0b5119a0
[ 49.691697] R10: 0000000000000000 R11: 0000000000000246 R12: 000055749aef5bf0
[ 49.692763] R13: 00007ffe0b512730 R14: 000055749aeff380 R15: 000055749af0a460
[ 49.693871]
[ 49.694228] irq event stamp: 1809
[ 49.694720] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80
[ 49.696014] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80
[ 49.697276] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770
[ 49.698558] softirqs last disabled at (1581): [] __irq_exit_rcu+0xc4/0x100
[ 49.699827] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:33181' (ECDSA) to the list of known hosts.
2025/11/18 05:05:03 fuzzer started
2025/11/18 05:05:03 dialing manager at localhost:37895
2025/11/18 05:05:03 checking machine...
2025/11/18 05:05:03 checking revisions...
[ 50.571970] kmemleak: Automatic memory scanning thread ended
2025/11/18 05:05:03 testing simple program...
[ 50.657908] cgroup: Unknown subsys name 'net'
[ 50.729901] cgroup: Unknown subsys name 'cpuset'
[ 50.763805] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
05:05:02 Registers:
info registers vcpu 0
RAX=000000000004518b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00
R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001
R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe6d00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fe2e7d7f0b0 CR3=000000000e5b1000 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=2032303a35303a353020383120766f4e XMM01=73732878696e755f6d6170203a5d3933
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032303a35303a3530203831
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000005 RBX=0000000000000200 RCX=0000000000000000 RDX=0000000000000008
RSI=ffff888017fa2618 RDI=ffff888017fa1bc0 RBP=ffff888017fa1bc0 RSP=ffff8880161ff5a0
R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000
R12=0000000000000009 R13=0000000000000000 R14=ffff888017fa2618 R15=0000000000000005
RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 00007fe2e77c7900 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe4f00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffe49696000 CR3=000000000e16a000 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=6720646572637465733a4d41503d706f 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