syzkaller login: [ 39.036442] ------------[ cut here ]------------ [ 39.037399] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.039456] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.040911] Modules linked in: [ 39.041496] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.043457] Tainted: [W]=WARN [ 39.044050] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.045525] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.046430] 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 [ 39.049580] RSP: 0018:ffff888016587bc0 EFLAGS: 00010286 [ 39.050547] RAX: 0000000000000000 RBX: ffffed1002cb0f78 RCX: ffffffff813a4050 [ 39.051841] RDX: ffff888013f85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.053121] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb0f2f [ 39.054401] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.055676] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016587df8 [ 39.056961] FS: 00007f7d03135900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.058391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.059437] CR2: 00007f7d03627580 CR3: 000000000e079000 CR4: 0000000000350ef0 [ 39.060708] Call Trace: [ 39.061231] [ 39.061636] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.062528] ? __create_object+0x59/0x80 [ 39.063369] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.064335] __vmalloc_noprof+0x59/0x60 [ 39.065103] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.065967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.066908] bpf_prog_alloc+0x39/0x200 [ 39.067596] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.068515] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.069425] do_seccomp+0x349/0x25e0 [ 39.070146] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.071050] ? __pfx_do_seccomp+0x10/0x10 [ 39.071802] ? find_held_lock+0x2b/0x80 [ 39.072559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.073518] ? static_key_count+0x60/0x80 [ 39.074311] prctl_set_seccomp+0x4e/0x70 [ 39.075084] __do_sys_prctl+0xe6c/0x1d70 [ 39.075872] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.076668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.077643] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.078578] ? irqentry_exit+0xf3/0x650 [ 39.079336] do_syscall_64+0xbf/0x430 [ 39.080064] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.081007] RIP: 0033:0x7f7d036275cd [ 39.081650] 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 [ 39.084749] RSP: 002b:00007fff83b19340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.086101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d036275cd [ 39.087357] RDX: 000055b452db5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.088618] RBP: 00007fff83b193a0 R08: 0000000000000000 R09: 00007fff83b18a40 [ 39.089891] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b46f216ad0 [ 39.091176] R13: 00007fff83b197d0 R14: 000055b46f217bc0 R15: 000055b46f228780 [ 39.092463] [ 39.092931] irq event stamp: 1755 [ 39.093535] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.095023] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.096521] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 39.097915] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 39.099167] ---[ end trace 0000000000000000 ]--- [ 42.229311] ------------[ cut here ]------------ [ 42.230287] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.232342] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.233855] Modules linked in: [ 42.234458] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.236481] Tainted: [W]=WARN [ 42.237109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.238619] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.239561] 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 [ 42.242798] RSP: 0018:ffff8880162a7bc0 EFLAGS: 00010286 [ 42.243784] RAX: 0000000000000000 RBX: ffffed1002c54f78 RCX: ffffffff813a4050 [ 42.245136] RDX: ffff88800f285340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.246445] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c54f2f [ 42.247768] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.249102] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162a7df8 [ 42.250423] FS: 00007f3be631e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.251889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.252985] CR2: 00007ffded21aef7 CR3: 000000001f674000 CR4: 0000000000350ef0 [ 42.254300] Call Trace: [ 42.254771] [ 42.255237] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.256152] ? __create_object+0x59/0x80 [ 42.256967] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.257968] __vmalloc_noprof+0x59/0x60 [ 42.258704] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.259589] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.260526] bpf_prog_alloc+0x39/0x200 [ 42.261286] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.262233] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.263150] do_seccomp+0x349/0x25e0 [ 42.263890] ? find_held_lock+0x2b/0x80 [ 42.264618] ? do_prlimit+0x310/0x610 [ 42.265390] ? __pfx_do_seccomp+0x10/0x10 [ 42.266198] ? do_raw_spin_unlock+0x53/0x220 [ 42.267050] ? _raw_spin_unlock+0x1e/0x40 [ 42.267800] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.268789] ? static_key_count+0x60/0x80 [ 42.269616] prctl_set_seccomp+0x4e/0x70 [ 42.270412] __do_sys_prctl+0xe6c/0x1d70 [ 42.271217] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.272095] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.273093] ? irqentry_exit+0xf3/0x650 [ 42.273865] do_syscall_64+0xbf/0x430 [ 42.274573] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.275540] RIP: 0033:0x7f3be68105cd [ 42.276255] 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 [ 42.279490] RSP: 002b:00007ffded219910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.280883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3be68105cd [ 42.282205] RDX: 00005654fcf60e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.283513] RBP: 00007ffded219970 R08: 0000000000000000 R09: 00007ffded219010 [ 42.284834] R10: 0000000000000000 R11: 0000000000000246 R12: 00005655082f9bf0 [ 42.286158] R13: 00007ffded219da0 R14: 0000565508303380 R15: 000056550830e460 [ 42.287489] [ 42.287955] irq event stamp: 1825 [ 42.288574] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 42.289831] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.290790] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 42.291773] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 42.292736] ---[ end trace 0000000000000000 ]--- [ 43.034313] ------------[ cut here ]------------ [ 43.034883] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.036118] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.037033] Modules linked in: [ 43.037402] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.038625] Tainted: [W]=WARN [ 43.038992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.039914] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.040453] 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 [ 43.042444] RSP: 0018:ffff888017947bc0 EFLAGS: 00010286 [ 43.043055] RAX: 0000000000000000 RBX: ffffed1002f28f78 RCX: ffffffff813a4050 [ 43.043858] RDX: ffff888013ee0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.044621] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f28f2f [ 43.045420] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.046212] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017947df8 [ 43.047008] FS: 00007f326bfbd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.047908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.048542] CR2: 00007fffa8bfeef7 CR3: 000000001f4e5000 CR4: 0000000000350ef0 [ 43.049355] Call Trace: [ 43.049644] [ 43.049926] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.050460] ? __create_object+0x59/0x80 [ 43.050941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.051516] __vmalloc_noprof+0x59/0x60 [ 43.051989] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.052505] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.053093] bpf_prog_alloc+0x39/0x200 [ 43.053530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.054107] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.054641] do_seccomp+0x349/0x25e0 [ 43.055080] ? find_held_lock+0x2b/0x80 [ 43.055523] ? do_prlimit+0x310/0x610 [ 43.055980] ? __pfx_do_seccomp+0x10/0x10 [ 43.056438] ? do_raw_spin_unlock+0x53/0x220 [ 43.056966] ? _raw_spin_unlock+0x1e/0x40 [ 43.057426] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.058024] ? static_key_count+0x60/0x80 [ 43.058496] prctl_set_seccomp+0x4e/0x70 [ 43.058976] __do_sys_prctl+0xe6c/0x1d70 [ 43.059436] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.059962] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.060528] ? irqentry_exit+0xf3/0x650 [ 43.061012] do_syscall_64+0xbf/0x430 [ 43.061443] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.062033] RIP: 0033:0x7f326c4af5cd [ 43.062439] 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 [ 43.064398] RSP: 002b:00007fffa8bfcec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.065253] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f326c4af5cd [ 43.066064] RDX: 0000562c3d313e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.066864] RBP: 00007fffa8bfcf20 R08: 0000000000000000 R09: 00007fffa8bfc5c0 [ 43.067640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c6d68ead0 [ 43.068436] R13: 00007fffa8bfd350 R14: 0000562c6d68fbc0 R15: 0000562c6d6a0780 [ 43.069260] [ 43.069524] irq event stamp: 1689 [ 43.069927] hardirqs last enabled at (1699): [] __up_console_sem+0x78/0x80 [ 43.070874] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 43.071785] softirqs last enabled at (1208): [] handle_softirqs+0x50c/0x770 [ 43.072732] softirqs last disabled at (1199): [] __irq_exit_rcu+0xc4/0x100 [ 43.073684] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58028' (ECDSA) to the list of known hosts. 2025/11/18 06:24:12 fuzzer started 2025/11/18 06:24:12 dialing manager at localhost:37895 2025/11/18 06:24:12 checking machine... 2025/11/18 06:24:12 checking revisions... [ 43.970836] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:24:12 testing simple program... [ 44.071765] cgroup: Unknown subsys name 'net' [ 44.129503] cgroup: Unknown subsys name 'cpuset' [ 44.145104] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:24:11 Registers: info registers vcpu 0 RAX=0000000000043c37 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=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 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3be68d3650 CR3=0000000009f2e000 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=34323a363020383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732031313a3432 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363430 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888015f27f58 RCX=0000000000000000 RDX=0000000000000046 RSI=0000000000000000 RDI=ffff888015f27f58 RBP=ffff888015f27f48 RSP=ffff888015f27f30 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c6ac3d RFL=00000046 [---Z-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 00007f3be631e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffded213000 CR3=000000001f6f6000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00ff00000000000000000000000000ff XMM02=00ff00000000000000000000000000ff XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=6500273d2720676e6974636570786500 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000