syzkaller login: [ 45.806786] ------------[ cut here ]------------ [ 45.807733] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.809762] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 45.811259] Modules linked in: [ 45.811897] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.813948] Tainted: [W]=WARN [ 45.814580] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.816083] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.817000] 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 [ 45.820221] RSP: 0018:ffff88800a957bc0 EFLAGS: 00010286 [ 45.821189] RAX: 0000000000000000 RBX: ffffed100152af78 RCX: ffffffff813a4050 [ 45.822496] RDX: ffff88800fa11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.823809] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100152af2f [ 45.825100] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.826415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a957df8 [ 45.827701] FS: 00007f6554752900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.829135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.830193] CR2: 00007f6554c44580 CR3: 000000000b7cb000 CR4: 0000000000350ef0 [ 45.831499] Call Trace: [ 45.832017] [ 45.832430] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.833354] ? __create_object+0x59/0x80 [ 45.834150] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.835154] __vmalloc_noprof+0x59/0x60 [ 45.835926] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.836802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.837742] bpf_prog_alloc+0x39/0x200 [ 45.838463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.839400] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.840315] do_seccomp+0x349/0x25e0 [ 45.841045] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.841965] ? __pfx_do_seccomp+0x10/0x10 [ 45.842784] ? find_held_lock+0x2b/0x80 [ 45.843557] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.844500] ? static_key_count+0x60/0x80 [ 45.845342] prctl_set_seccomp+0x4e/0x70 [ 45.846134] __do_sys_prctl+0xe6c/0x1d70 [ 45.846908] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.847778] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.848752] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.849740] ? irqentry_exit+0xf3/0x650 [ 45.850486] do_syscall_64+0xbf/0x430 [ 45.851228] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.852185] RIP: 0033:0x7f6554c445cd [ 45.852883] 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 [ 45.856130] RSP: 002b:00007ffe0056dd60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.857501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6554c445cd [ 45.858804] RDX: 0000558f6a8dee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.860078] RBP: 00007ffe0056ddc0 R08: 0000000000000000 R09: 00007ffe0056d460 [ 45.861372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f6d853ad0 [ 45.862663] R13: 00007ffe0056e1f0 R14: 0000558f6d854bc0 R15: 0000558f6d865780 [ 45.863991] [ 45.864421] irq event stamp: 1749 [ 45.865076] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 45.866630] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 45.868149] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 45.869725] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 45.871237] ---[ end trace 0000000000000000 ]--- [ 48.593581] scp (241) used greatest stack depth: 23920 bytes left [ 48.764131] ------------[ cut here ]------------ [ 48.765079] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.767090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 48.768569] Modules linked in: [ 48.769159] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.771394] Tainted: [W]=WARN [ 48.772068] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.773565] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.774439] 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 [ 48.777721] RSP: 0018:ffff88801b89fbc0 EFLAGS: 00010286 [ 48.778696] RAX: 0000000000000000 RBX: ffffed1003713f78 RCX: ffffffff813a4050 [ 48.779982] RDX: ffff888015ea8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.781292] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003713f2f [ 48.782580] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.783873] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b89fdf8 [ 48.785168] FS: 00007fdb3b727900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.786624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.787690] CR2: 00007ffcfe3b5ef7 CR3: 000000000cb3f000 CR4: 0000000000350ef0 [ 48.788981] Call Trace: [ 48.789466] [ 48.789936] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.790873] ? __create_object+0x59/0x80 [ 48.791693] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.792709] __vmalloc_noprof+0x59/0x60 [ 48.793469] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.794377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.795341] bpf_prog_alloc+0x39/0x200 [ 48.796108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.797079] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.798039] do_seccomp+0x349/0x25e0 [ 48.798787] ? find_held_lock+0x2b/0x80 [ 48.799578] ? do_prlimit+0x310/0x610 [ 48.800309] ? __pfx_do_seccomp+0x10/0x10 [ 48.801127] ? do_raw_spin_unlock+0x53/0x220 [ 48.802009] ? _raw_spin_unlock+0x1e/0x40 [ 48.802832] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.803836] ? static_key_count+0x60/0x80 [ 48.804673] prctl_set_seccomp+0x4e/0x70 [ 48.805451] __do_sys_prctl+0xe6c/0x1d70 [ 48.806264] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.807157] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.808171] ? irqentry_exit+0xf3/0x650 [ 48.808972] do_syscall_64+0xbf/0x430 [ 48.809757] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.810755] RIP: 0033:0x7fdb3bc195cd [ 48.811446] 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 [ 48.814792] RSP: 002b:00007ffcfe3b3c60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.816222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb3bc195cd [ 48.817580] RDX: 000055d827ed0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.818922] RBP: 00007ffcfe3b3cc0 R08: 0000000000000000 R09: 00007ffcfe3b3360 [ 48.820265] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d8401a02b0 [ 48.821617] R13: 00007ffcfe3b40f0 R14: 000055d8401a2d20 R15: 000055d8401b48d0 [ 48.822983] [ 48.823426] irq event stamp: 1855 [ 48.824098] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 48.825706] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 48.827307] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 48.828924] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 48.830531] ---[ end trace 0000000000000000 ]--- [ 49.589595] ------------[ cut here ]------------ [ 49.590471] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.592546] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 49.595338] Modules linked in: [ 49.596055] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.598054] Tainted: [W]=WARN [ 49.598660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.600124] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.601042] 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 [ 49.604251] RSP: 0018:ffff88801ba27bc0 EFLAGS: 00010286 [ 49.605223] RAX: 0000000000000000 RBX: ffffed1003744f78 RCX: ffffffff813a4050 [ 49.606536] RDX: ffff88801b805340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.607838] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003744f2f [ 49.609116] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.610403] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ba27df8 [ 49.611676] FS: 00007fe39f4f6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.613125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.614186] CR2: 00007fe39f9e8580 CR3: 000000001f58b000 CR4: 0000000000350ef0 [ 49.615474] Call Trace: [ 49.615976] [ 49.616411] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.617315] ? __create_object+0x59/0x80 [ 49.618101] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.619074] __vmalloc_noprof+0x59/0x60 [ 49.619831] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.620709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.621647] bpf_prog_alloc+0x39/0x200 [ 49.622350] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.623263] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.624185] do_seccomp+0x349/0x25e0 [ 49.624899] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.625806] ? __pfx_do_seccomp+0x10/0x10 [ 49.626602] ? find_held_lock+0x2b/0x80 [ 49.627323] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.628287] ? static_key_count+0x60/0x80 [ 49.629098] prctl_set_seccomp+0x4e/0x70 [ 49.629885] __do_sys_prctl+0xe6c/0x1d70 [ 49.630676] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.631489] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.632474] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.633450] ? irqentry_exit+0xf3/0x650 [ 49.634220] do_syscall_64+0xbf/0x430 [ 49.634957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.635919] RIP: 0033:0x7fe39f9e85cd [ 49.636641] 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 [ 49.639840] RSP: 002b:00007ffee40fd1c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.641213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe39f9e85cd [ 49.642539] RDX: 000055c60da43e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.643831] RBP: 00007ffee40fd220 R08: 0000000000000000 R09: 00007ffee40fc8c0 [ 49.645130] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c62b0ffad0 [ 49.646425] R13: 00007ffee40fd650 R14: 000055c62b100bc0 R15: 000055c62b111780 [ 49.647741] [ 49.648167] irq event stamp: 2103 [ 49.648822] hardirqs last enabled at (2113): [] __up_console_sem+0x78/0x80 [ 49.650365] hardirqs last disabled at (2122): [] __up_console_sem+0x5d/0x80 [ 49.651895] softirqs last enabled at (2052): [] handle_softirqs+0x50c/0x770 [ 49.653435] softirqs last disabled at (2037): [] __irq_exit_rcu+0xc4/0x100 [ 49.654941] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45352' (ECDSA) to the list of known hosts. 2025/11/18 10:42:54 fuzzer started 2025/11/18 10:42:55 dialing manager at localhost:34383 2025/11/18 10:42:55 checking machine... 2025/11/18 10:42:55 checking revisions... [ 50.525690] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:42:55 testing simple program... [ 50.627967] cgroup: Unknown subsys name 'net' [ 50.686965] cgroup: Unknown subsys name 'cpuset' [ 50.704095] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:42:54 Registers: info registers vcpu 0 RAX=ffffffff83c7047f RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888013eefc01 RSI=ffff888013eefc28 RDI=ffff888013eefc28 RBP=ffff888013eef280 RSP=ffff888013eef1b0 R8 =ffffffff86d7625a R9 =ffff888013eef268 R10=000000000003c9ed R11=000000000009a579 R12=ffff888013eef288 R13=ffff888013eef270 R14=ffff888013eefc30 R15=ffff888013eef228 RIP=ffffffff8135da23 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 00007fb43ad4e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffecd690d88 CR3=000000000d2f7000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=4fe50877a43cff4800000000000ae988 XMM05=af2e791a97cb74850000000000323418 XMM06=0394861f14684e5900000000003222b0 XMM07=fb795ef6d657705600000000003130e0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000777f80000000 RBX=0000000000000000 RCX=ffff88808e5d3818 RDX=0000000000000000 RSI=ffff88800e5d3818 RDI=ffff888008c4b780 RBP=ffffffff815d6c98 RSP=ffff888009757bb8 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=ffff88800e5d3818 R13=0000000000000000 R14=ffff88800e5d3818 R15=ffff888008c4b780 RIP=ffffffff81b2a074 RFL=00000206 [-----P-] 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcfe3ad000 CR3=000000000a24b000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000