[ 46.870029] ------------[ cut here ]------------ [ 46.870959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.873373] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 46.876142] Modules linked in: [ 46.876872] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.878887] Tainted: [W]=WARN [ 46.879443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.880893] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.881831] 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 [ 46.885016] RSP: 0018:ffff88800f0f7bc0 EFLAGS: 00010286 [ 46.886013] RAX: 0000000000000000 RBX: ffffed1001e1ef78 RCX: ffffffff813a4050 [ 46.887300] RDX: ffff888017583780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.888589] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e1ef2f [ 46.889878] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.891143] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f0f7df8 [ 46.892419] FS: 00007f15795c4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.893866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.894916] CR2: 00007f1579ab6580 CR3: 0000000013835000 CR4: 0000000000350ef0 [ 46.896213] Call Trace: [ 46.896713] [ 46.897127] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.898036] ? __create_object+0x59/0x80 [ 46.898822] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.899791] __vmalloc_noprof+0x59/0x60 [ 46.900554] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.901379] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.902308] bpf_prog_alloc+0x39/0x200 [ 46.903043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.903982] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.904893] do_seccomp+0x349/0x25e0 [ 46.905613] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.906501] ? __pfx_do_seccomp+0x10/0x10 [ 46.907294] ? find_held_lock+0x2b/0x80 [ 46.908054] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.909011] ? static_key_count+0x60/0x80 [ 46.909828] prctl_set_seccomp+0x4e/0x70 [ 46.910615] __do_sys_prctl+0xe6c/0x1d70 [ 46.911364] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.912208] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.913175] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.914164] ? irqentry_exit+0xf3/0x650 [ 46.914926] do_syscall_64+0xbf/0x430 [ 46.915651] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.916615] RIP: 0033:0x7f1579ab65cd [ 46.917278] 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 [ 46.920484] RSP: 002b:00007ffdc356bc70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.921861] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1579ab65cd [ 46.923153] RDX: 000055a38c467e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.924435] RBP: 00007ffdc356bcd0 R08: 0000000000000000 R09: 00007ffdc356b370 [ 46.925712] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a398f31ad0 [ 46.926861] R13: 00007ffdc356c100 R14: 000055a398f32bc0 R15: 000055a398f43780 [ 46.927934] [ 46.928285] irq event stamp: 2057 [ 46.928828] hardirqs last enabled at (2067): [] __up_console_sem+0x78/0x80 [ 46.930108] hardirqs last disabled at (2076): [] __up_console_sem+0x5d/0x80 [ 46.931377] softirqs last enabled at (2016): [] handle_softirqs+0x50c/0x770 [ 46.932674] softirqs last disabled at (2011): [] __irq_exit_rcu+0xc4/0x100 [ 46.933930] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.085393] ------------[ cut here ]------------ [ 50.086175] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.087869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 50.089100] Modules linked in: [ 50.089633] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.091280] Tainted: [W]=WARN [ 50.091775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.092992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.093773] 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 [ 50.096399] RSP: 0018:ffff8880170efbc0 EFLAGS: 00010286 [ 50.097210] RAX: 0000000000000000 RBX: ffffed1002e1df78 RCX: ffffffff813a4050 [ 50.098281] RDX: ffff8880176f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.099376] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1df2f [ 50.100454] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.101533] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170efdf8 [ 50.102628] FS: 00007f6e30eff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.103828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.104722] CR2: 00007ffce69eeef7 CR3: 000000001fbb0000 CR4: 0000000000350ef0 [ 50.105803] Call Trace: [ 50.106191] [ 50.106576] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.107287] ? __create_object+0x59/0x80 [ 50.107953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.108764] __vmalloc_noprof+0x59/0x60 [ 50.109367] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.110124] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.110923] bpf_prog_alloc+0x39/0x200 [ 50.111498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.112270] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.113029] do_seccomp+0x349/0x25e0 [ 50.113684] ? find_held_lock+0x2b/0x80 [ 50.114302] ? do_prlimit+0x310/0x610 [ 50.114937] ? __pfx_do_seccomp+0x10/0x10 [ 50.115592] ? do_raw_spin_unlock+0x53/0x220 [ 50.116246] ? _raw_spin_unlock+0x1e/0x40 [ 50.116885] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.117687] ? static_key_count+0x60/0x80 [ 50.118434] prctl_set_seccomp+0x4e/0x70 [ 50.119219] __do_sys_prctl+0xe6c/0x1d70 [ 50.120009] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.120881] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.121854] ? irqentry_exit+0xf3/0x650 [ 50.122619] do_syscall_64+0xbf/0x430 [ 50.123309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.124252] RIP: 0033:0x7f6e313f15cd [ 50.124948] 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 [ 50.128112] RSP: 002b:00007ffce69ec270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.129462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e313f15cd [ 50.130751] RDX: 000055d593310e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.132028] RBP: 00007ffce69ec2d0 R08: 0000000000000000 R09: 00007ffce69eb970 [ 50.133315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d5a01d5ad0 [ 50.134617] R13: 00007ffce69ec700 R14: 000055d5a01d6bc0 R15: 000055d5a01e7780 [ 50.136145] [ 50.136607] irq event stamp: 1715 [ 50.137407] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 50.139121] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 50.140912] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 50.142444] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 50.143940] ---[ end trace 0000000000000000 ]--- [ 50.967240] ------------[ cut here ]------------ [ 50.968059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.969886] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.971188] Modules linked in: [ 50.971756] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.973537] Tainted: [W]=WARN [ 50.974040] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.975341] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.976150] 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 [ 50.979001] RSP: 0018:ffff888015eb7bc0 EFLAGS: 00010286 [ 50.979873] RAX: 0000000000000000 RBX: ffffed1002bd6f78 RCX: ffffffff813a4050 [ 50.981008] RDX: ffff888017aab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.982169] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bd6f2f [ 50.983318] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.984453] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015eb7df8 [ 50.985597] FS: 00007fda503d7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.986897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.987842] CR2: 00007fda5093d4a6 CR3: 000000000d7f6000 CR4: 0000000000350ef0 [ 50.988999] Call Trace: [ 50.989409] [ 50.989826] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.990618] ? __create_object+0x59/0x80 [ 50.991271] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.992126] __vmalloc_noprof+0x59/0x60 [ 50.992807] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.993578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.994378] bpf_prog_alloc+0x39/0x200 [ 50.995043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.995877] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.996684] do_seccomp+0x349/0x25e0 [ 50.997281] ? find_held_lock+0x2b/0x80 [ 50.997968] ? do_prlimit+0x310/0x610 [ 50.998626] ? __pfx_do_seccomp+0x10/0x10 [ 50.999279] ? do_raw_spin_unlock+0x53/0x220 [ 51.000027] ? _raw_spin_unlock+0x1e/0x40 [ 51.000714] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.001579] ? static_key_count+0x60/0x80 [ 51.002263] prctl_set_seccomp+0x4e/0x70 [ 51.002956] __do_sys_prctl+0xe6c/0x1d70 [ 51.003658] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.004386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.005255] ? irqentry_exit+0xf3/0x650 [ 51.005946] do_syscall_64+0xbf/0x430 [ 51.006598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.007406] RIP: 0033:0x7fda508c95cd [ 51.008031] 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 [ 51.010865] RSP: 002b:00007ffc821fc1d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.012084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda508c95cd [ 51.013240] RDX: 000055f8913ece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.014395] RBP: 00007ffc821fc230 R08: 0000000000000000 R09: 00007ffc821fb8d0 [ 51.015547] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f8d066c2b0 [ 51.016690] R13: 00007ffc821fc660 R14: 000055f8d066ed20 R15: 000055f8d06808d0 [ 51.017867] [ 51.018241] irq event stamp: 1715 [ 51.018819] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 51.020183] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 51.021548] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 51.022933] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 51.024289] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17515' (ECDSA) to the list of known hosts. 2025/11/18 00:53:16 fuzzer started 2025/11/18 00:53:16 dialing manager at localhost:37895 2025/11/18 00:53:16 checking machine... 2025/11/18 00:53:16 checking revisions... [ 51.918405] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:53:16 testing simple program... [ 52.007998] cgroup: Unknown subsys name 'net' [ 52.081908] cgroup: Unknown subsys name 'cpuset' [ 52.099729] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:53:15 Registers: info registers vcpu 0 RAX=ffff88800deb4380 RBX=ffff8880200a8d20 RCX=ffff88800deb4220 RDX=ffff8880134b2ad8 RSI=ffff88800deb4200 RDI=0000000000000000 RBP=ffff8880200ac250 RSP=ffff88801b9efcb8 R8 =0000000000000000 R9 =ffffed100373df89 R10=0000000000000003 R11=0000000000000001 R12=ffff88800deb4200 R13=0000000000000020 R14=0000000000000001 R15=0000000000000286 RIP=ffffffff81b62696 RFL=00000082 [--S----] 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 00007f6e30eff900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffce69e6000 CR3=000000001fba7000 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88806cf08b38 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1168 RSI=ffffffff814d2c90 RDI=ffff88806cf08b40 RBP=000000000000000e RSP=ffff88806cf08a50 R8 =ffffffff86e888b2 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=00000000000c8179 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff81618fff RFL=00000283 [--S---C] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd7ff8c508 CR3=000000000d841000 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=ae3ef3e4ca311fb6c2451fe243c2e590 XMM02=ec2efd57dc4c00df0000000000305388 XMM03=71909d298a544f0f0000000000305458 XMM04=022ef30d2783d80e00000000000ae988 XMM05=14648eaa1277bab10000000000321030 XMM06=817b8945e9d503730000000000320eb8 XMM07=e042d86d42eb936e00000000003124e8 XMM08=71909d298a544f0f0000000000305458 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000