syzkaller login: [ 38.993697] ------------[ cut here ]------------ [ 38.994646] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.996695] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.998161] Modules linked in: [ 38.998758] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.000783] Tainted: [W]=WARN [ 39.001403] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.002881] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.003787] 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 [ 39.006959] RSP: 0018:ffff888016b37bc0 EFLAGS: 00010286 [ 39.007928] RAX: 0000000000000000 RBX: ffffed1002d66f78 RCX: ffffffff813a4050 [ 39.009239] RDX: ffff888016138000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.010521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d66f2f [ 39.011804] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.013124] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b37df8 [ 39.014398] FS: 00007fc663810900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.015838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.016921] CR2: 00007ffd7f157ef7 CR3: 000000000bcd1000 CR4: 0000000000350ef0 [ 39.018215] Call Trace: [ 39.018694] [ 39.019160] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.020002] ? __create_object+0x59/0x80 [ 39.020828] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021810] __vmalloc_noprof+0x59/0x60 [ 39.022555] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.023431] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.024380] bpf_prog_alloc+0x39/0x200 [ 39.025111] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.026001] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.026893] do_seccomp+0x349/0x25e0 [ 39.027597] ? find_held_lock+0x2b/0x80 [ 39.028363] ? do_prlimit+0x310/0x610 [ 39.029104] ? __pfx_do_seccomp+0x10/0x10 [ 39.029846] ? do_raw_spin_unlock+0x53/0x220 [ 39.030674] ? _raw_spin_unlock+0x1e/0x40 [ 39.031443] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032439] ? static_key_count+0x60/0x80 [ 39.033247] prctl_set_seccomp+0x4e/0x70 [ 39.033970] __do_sys_prctl+0xe6c/0x1d70 [ 39.034758] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035605] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.036603] ? irqentry_exit+0xf3/0x650 [ 39.037358] do_syscall_64+0xbf/0x430 [ 39.038098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.038993] RIP: 0033:0x7fc663d025cd [ 39.039696] 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 [ 39.042863] RSP: 002b:00007ffd7f156220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.044248] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc663d025cd [ 39.045541] RDX: 0000557f2cb89e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.046809] RBP: 00007ffd7f156280 R08: 0000000000000000 R09: 00007ffd7f155920 [ 39.048101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f30e24240 [ 39.049379] R13: 00007ffd7f1566b0 R14: 0000557f30e23bf0 R15: 0000557f30e384d0 [ 39.050682] [ 39.051139] irq event stamp: 1755 [ 39.051747] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.053278] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.054784] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 39.056332] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 39.057850] ---[ end trace 0000000000000000 ]--- [ 42.565906] ------------[ cut here ]------------ [ 42.566854] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.568976] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.570462] Modules linked in: [ 42.571104] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.573383] Tainted: [W]=WARN [ 42.573944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.575467] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.576426] 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 [ 42.579616] RSP: 0018:ffff8880169d7bc0 EFLAGS: 00010286 [ 42.580641] RAX: 0000000000000000 RBX: ffffed1002d3af78 RCX: ffffffff813a4050 [ 42.581945] RDX: ffff88800fce1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.583245] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3af2f [ 42.584577] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.585866] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169d7df8 [ 42.587178] FS: 00007f51746a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.588649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.589726] CR2: 00007ffdbf7f5ef7 CR3: 000000002156d000 CR4: 0000000000350ef0 [ 42.591028] Call Trace: [ 42.591520] [ 42.591935] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.592883] ? __create_object+0x59/0x80 [ 42.593679] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.594660] __vmalloc_noprof+0x59/0x60 [ 42.595426] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.596339] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.597267] bpf_prog_alloc+0x39/0x200 [ 42.597962] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598906] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.599805] do_seccomp+0x349/0x25e0 [ 42.600562] ? find_held_lock+0x2b/0x80 [ 42.601317] ? do_prlimit+0x310/0x610 [ 42.602030] ? __pfx_do_seccomp+0x10/0x10 [ 42.602821] ? do_raw_spin_unlock+0x53/0x220 [ 42.603665] ? _raw_spin_unlock+0x1e/0x40 [ 42.604488] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.605456] ? static_key_count+0x60/0x80 [ 42.606258] prctl_set_seccomp+0x4e/0x70 [ 42.606991] __do_sys_prctl+0xe6c/0x1d70 [ 42.607775] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.608665] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.609641] ? irqentry_exit+0xf3/0x650 [ 42.610421] do_syscall_64+0xbf/0x430 [ 42.611172] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.612155] RIP: 0033:0x7f5174b925cd [ 42.612849] 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 [ 42.616041] RSP: 002b:00007ffdbf7f3cb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.617511] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5174b925cd [ 42.618812] RDX: 000056117f003e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.620144] RBP: 00007ffdbf7f3d10 R08: 0000000000000000 R09: 00007ffdbf7f33b0 [ 42.621457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561188fde2b0 [ 42.622763] R13: 00007ffdbf7f4140 R14: 0000561188fe0d20 R15: 0000561188ff28d0 [ 42.624113] [ 42.624563] irq event stamp: 1841 [ 42.625238] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 42.626797] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 42.628359] softirqs last enabled at (1518): [] handle_softirqs+0x50c/0x770 [ 42.629920] softirqs last disabled at (1503): [] __irq_exit_rcu+0xc4/0x100 [ 42.631435] ---[ end trace 0000000000000000 ]--- [ 43.392807] ------------[ cut here ]------------ [ 43.393716] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.395761] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.397472] Modules linked in: [ 43.398177] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.400176] Tainted: [W]=WARN [ 43.400730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.402196] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.403101] 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 [ 43.406279] RSP: 0018:ffff888017447bc0 EFLAGS: 00010286 [ 43.407247] RAX: 0000000000000000 RBX: ffffed1002e88f78 RCX: ffffffff813a4050 [ 43.408554] RDX: ffff88801a0fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.409833] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e88f2f [ 43.411108] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.412419] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017447df8 [ 43.413698] FS: 00007f88997b9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.415119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.416211] CR2: 00007f8899d1f4a6 CR3: 0000000021412000 CR4: 0000000000350ef0 [ 43.417486] Call Trace: [ 43.417956] [ 43.418397] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.419300] ? __create_object+0x59/0x80 [ 43.420040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.421083] __vmalloc_noprof+0x59/0x60 [ 43.421797] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.422682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.423590] bpf_prog_alloc+0x39/0x200 [ 43.424361] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.425297] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.426182] do_seccomp+0x349/0x25e0 [ 43.426857] ? find_held_lock+0x2b/0x80 [ 43.427617] ? do_prlimit+0x310/0x610 [ 43.428389] ? __pfx_do_seccomp+0x10/0x10 [ 43.429166] ? do_raw_spin_unlock+0x53/0x220 [ 43.429956] ? _raw_spin_unlock+0x1e/0x40 [ 43.430733] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.431677] ? static_key_count+0x60/0x80 [ 43.432511] prctl_set_seccomp+0x4e/0x70 [ 43.433289] __do_sys_prctl+0xe6c/0x1d70 [ 43.434026] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.434886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.435839] ? irqentry_exit+0xf3/0x650 [ 43.436625] do_syscall_64+0xbf/0x430 [ 43.437358] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.438315] RIP: 0033:0x7f8899cab5cd [ 43.438971] 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 [ 43.442137] RSP: 002b:00007ffe8beeb160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.443487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8899cab5cd [ 43.444811] RDX: 0000561ef2904e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.446079] RBP: 00007ffe8beeb1c0 R08: 0000000000000000 R09: 00007ffe8beea860 [ 43.447347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f202d9ad0 [ 43.448677] R13: 00007ffe8beeb5f0 R14: 0000561f202dabc0 R15: 0000561f202eb780 [ 43.449971] [ 43.450436] irq event stamp: 1841 [ 43.451082] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 43.452624] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 43.454121] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 43.455647] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 43.457173] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:8417' (ECDSA) to the list of known hosts. 2025/11/17 18:56:09 fuzzer started 2025/11/17 18:56:09 dialing manager at localhost:37895 2025/11/17 18:56:09 checking machine... 2025/11/17 18:56:09 checking revisions... [ 44.349528] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:56:10 testing simple program... [ 44.445459] cgroup: Unknown subsys name 'net' [ 44.513186] cgroup: Unknown subsys name 'cpuset' [ 44.525850] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:56:09 Registers: info registers vcpu 0 RAX=ffff88800fce0000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08908 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255da R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81526ee0 RFL=00000006 [-----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 00007f51746a0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5174c57618 CR3=000000000e541000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002cc6b 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5174c55650 CR3=000000000e21a000 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=4ea96f5d7163bdb1a24e1ad082dd1868 XMM02=ec2efd57dc4c00df0000000000305920 XMM03=baae293c58d4b68600000000003059f0 XMM04=520d576c9b2604e200000000000ae988 XMM05=d96330e2d2db8632000000000031f548 XMM06=b2da8177a3bab5a200000000003190e8 XMM07=e042d86d42eb936e000000000030eab8 XMM08=baae293c58d4b68600000000003059f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000