Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 45.552023] ------------[ cut here ]------------
[ 45.552774] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 45.554467] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232
[ 45.555678] Modules linked in:
[ 45.556191] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 45.557797] Tainted: [W]=WARN
[ 45.558277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.559541] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 45.560298] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 45.562909] RSP: 0018:ffff88800ef7fbc0 EFLAGS: 00010286
[ 45.563718] RAX: 0000000000000000 RBX: ffffed1001deff78 RCX: ffffffff813a4050
[ 45.564769] RDX: ffff888015f8d340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 45.565823] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001deff2f
[ 45.566893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 45.567947] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ef7fdf8
[ 45.569006] FS: 00007f41f1cfb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 45.570196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.571044] CR2: 00007ffeb4e30ef8 CR3: 000000000dd09000 CR4: 0000000000350ef0
[ 45.572107] Call Trace:
[ 45.572516]
[ 45.572853] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 45.573579] ? __create_object+0x59/0x80
[ 45.574213] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.574978] __vmalloc_noprof+0x59/0x60
[ 45.575603] bpf_prog_alloc_no_stats+0x55/0x470
[ 45.576374] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.577113] bpf_prog_alloc+0x39/0x200
[ 45.577727] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.578482] bpf_prog_create_from_user+0xb2/0x2f0
[ 45.579235] do_seccomp+0x349/0x25e0
[ 45.579793] ? find_held_lock+0x2b/0x80
[ 45.580415] ? do_prlimit+0x310/0x610
[ 45.580993] ? __pfx_do_seccomp+0x10/0x10
[ 45.581634] ? do_raw_spin_unlock+0x53/0x220
[ 45.582319] ? _raw_spin_unlock+0x1e/0x40
[ 45.582931] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 45.583724] ? static_key_count+0x60/0x80
[ 45.584377] prctl_set_seccomp+0x4e/0x70
[ 45.584988] __do_sys_prctl+0xe6c/0x1d70
[ 45.585634] ? __pfx___do_sys_prctl+0x10/0x10
[ 45.586336] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 45.587100] ? irqentry_exit+0xf3/0x650
[ 45.587740] do_syscall_64+0xbf/0x430
[ 45.588346] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 45.589096] RIP: 0033:0x7f41f21ed5cd
[ 45.589680] 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
[ 45.592292] RSP: 002b:00007ffeb4e2ef60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 45.593424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41f21ed5cd
[ 45.594477] RDX: 0000559821349e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 45.595538] RBP: 00007ffeb4e2efc0 R08: 0000000000000000 R09: 00007ffeb4e2e660
[ 45.596609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559830edb2b0
[ 45.597659] R13: 00007ffeb4e2f3f0 R14: 0000559830eddd20 R15: 0000559830eef8d0
[ 45.598741]
[ 45.599090] irq event stamp: 1729
[ 45.599633] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80
[ 45.600897] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80
[ 45.602186] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770
[ 45.603460] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100
[ 45.604699] ---[ end trace 0000000000000000 ]---
[ 48.101672] ------------[ cut here ]------------
[ 48.102614] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.104597] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239
[ 48.106031] Modules linked in:
[ 48.106644] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 48.108634] Tainted: [W]=WARN
[ 48.109245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.110994] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.111959] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 48.115175] RSP: 0018:ffff8880182ffbc0 EFLAGS: 00010286
[ 48.116117] RAX: 0000000000000000 RBX: ffffed100305ff78 RCX: ffffffff813a4050
[ 48.117394] RDX: ffff888016b71bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.118681] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100305ff2f
[ 48.119968] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.121256] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880182ffdf8
[ 48.122562] FS: 00007efd00c84900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 48.124018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.125070] CR2: 00007efd01176580 CR3: 000000001c891000 CR4: 0000000000350ef0
[ 48.126345] Call Trace:
[ 48.126833]
[ 48.127289] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.128193] ? __create_object+0x59/0x80
[ 48.128931] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.129884] __vmalloc_noprof+0x59/0x60
[ 48.130640] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.131519] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.132454] bpf_prog_alloc+0x39/0x200
[ 48.133194] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.134087] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.135003] do_seccomp+0x349/0x25e0
[ 48.135736] ? __pfx_css_rstat_updated+0x10/0x10
[ 48.136661] ? __pfx_do_seccomp+0x10/0x10
[ 48.137452] ? find_held_lock+0x2b/0x80
[ 48.138222] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.139197] ? static_key_count+0x60/0x80
[ 48.139960] prctl_set_seccomp+0x4e/0x70
[ 48.140733] __do_sys_prctl+0xe6c/0x1d70
[ 48.141525] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.142382] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.143363] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.144321] ? irqentry_exit+0xf3/0x650
[ 48.145044] do_syscall_64+0xbf/0x430
[ 48.145786] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.146750] RIP: 0033:0x7efd011765cd
[ 48.147451] 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
[ 48.150697] RSP: 002b:00007ffecdb15a60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 48.152072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd011765cd
[ 48.153364] RDX: 00005627e6c58e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 48.154655] RBP: 00007ffecdb15ac0 R08: 0000000000000000 R09: 00007ffecdb15160
[ 48.155971] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627ef883b10
[ 48.157262] R13: 00007ffecdb15ef0 R14: 00005627ef8842b0 R15: 00005627ef8986f0
[ 48.158600]
[ 48.159047] irq event stamp: 1809
[ 48.159695] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80
[ 48.161244] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80
[ 48.162779] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770
[ 48.164212] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100
[ 48.165457] ---[ end trace 0000000000000000 ]---
[ 48.882378] ------------[ cut here ]------------
[ 48.883383] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.885414] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246
[ 48.886989] Modules linked in:
[ 48.887647] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 48.889631] Tainted: [W]=WARN
[ 48.890237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.891699] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.892632] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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
[ 48.895838] RSP: 0018:ffff88800c677bc0 EFLAGS: 00010286
[ 48.896829] RAX: 0000000000000000 RBX: ffffed10018cef78 RCX: ffffffff813a4050
[ 48.898123] RDX: ffff88800dff1bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.899444] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10018cef2f
[ 48.900709] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.901996] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c677df8
[ 48.903283] FS: 00007f7644fb4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 48.904737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.905845] CR2: 00007f76454a6580 CR3: 000000000a5b8000 CR4: 0000000000350ef0
[ 48.907175] Call Trace:
[ 48.907642]
[ 48.908052] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.908949] ? __create_object+0x59/0x80
[ 48.909718] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.910726] __vmalloc_noprof+0x59/0x60
[ 48.911492] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.912359] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.913286] bpf_prog_alloc+0x39/0x200
[ 48.913966] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.914904] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.915821] do_seccomp+0x349/0x25e0
[ 48.916539] ? __pfx_css_rstat_updated+0x10/0x10
[ 48.917436] ? __pfx_do_seccomp+0x10/0x10
[ 48.918219] ? find_held_lock+0x2b/0x80
[ 48.918939] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.919904] ? static_key_count+0x60/0x80
[ 48.920712] prctl_set_seccomp+0x4e/0x70
[ 48.921492] __do_sys_prctl+0xe6c/0x1d70
[ 48.922289] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.923109] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.924066] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.925027] ? irqentry_exit+0xf3/0x650
[ 48.925789] do_syscall_64+0xbf/0x430
[ 48.926522] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.927494] RIP: 0033:0x7f76454a65cd
[ 48.928142] 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
[ 48.931334] RSP: 002b:00007fff21668120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 48.932683] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76454a65cd
[ 48.933955] RDX: 000055635776de00 RSI: 0000000000000002 RDI: 0000000000000016
[ 48.935251] RBP: 00007fff21668180 R08: 0000000000000000 R09: 00007fff21667820
[ 48.936528] R10: 0000000000000000 R11: 0000000000000246 R12: 00005563753d4ad0
[ 48.937795] R13: 00007fff216685b0 R14: 00005563753d5bc0 R15: 00005563753e6780
[ 48.939089]
[ 48.939571] irq event stamp: 1807
[ 48.940212] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80
[ 48.941716] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80
[ 48.943245] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770
[ 48.944230] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100
[ 48.945198] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:6202' (ECDSA) to the list of known hosts.
2025/11/18 13:54:31 fuzzer started
2025/11/18 13:54:31 dialing manager at localhost:34383
2025/11/18 13:54:31 checking machine...
2025/11/18 13:54:31 checking revisions...
[ 49.826072] kmemleak: Automatic memory scanning thread ended
2025/11/18 13:54:31 testing simple program...
[ 49.914282] cgroup: Unknown subsys name 'net'
[ 49.971870] cgroup: Unknown subsys name 'cpuset'
[ 49.989790] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
13:54:30 Registers:
info registers vcpu 0
RAX=000000000004480b RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00
R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001
R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe3b00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f0e734c6000 CR3=000000000d88a000 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=4bf602d565ad5e924e4771f3eb74e8d1
XMM02=00000000003068d8eff9b2d0a8fce9cb XMM03=00000000003069a82c67c8bc2e329bc3
XMM04=8b9d019b9019275700000000000ae988 XMM05=0b39c798a71319b6000000000031f270
XMM06=ab0745816b8b0dd400000000003193e0 XMM07=e042d86d42eb936e0000000000310c00
XMM08=7fcf09433dc323ef00000000003069a8 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88800efcf6d8
R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023c4a
R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88800efcf7d0
RIP=ffffffff815bd105 RFL=00000247 [---Z-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 00007efd00c84900 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe2c00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007efd00c63020 CR3=000000001e4d8000 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