syzkaller login: [ 46.184616] ------------[ cut here ]------------ [ 46.185504] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.187699] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.189172] Modules linked in: [ 46.189812] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.191823] Tainted: [W]=WARN [ 46.192380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.193881] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.194806] 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 [ 46.198045] RSP: 0018:ffff88800ec77bc0 EFLAGS: 00010286 [ 46.199052] RAX: 0000000000000000 RBX: ffffed1001d8ef78 RCX: ffffffff813a4050 [ 46.200343] RDX: ffff88801a01d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.201649] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d8ef2f [ 46.202958] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.204239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ec77df8 [ 46.205537] FS: 00007f0d71f54900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.207003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.208062] CR2: 00007f0d72446580 CR3: 000000000e25d000 CR4: 0000000000350ef0 [ 46.209351] Call Trace: [ 46.209871] [ 46.210292] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.211214] ? __create_object+0x59/0x80 [ 46.212028] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.213006] __vmalloc_noprof+0x59/0x60 [ 46.213776] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.214657] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.215624] bpf_prog_alloc+0x39/0x200 [ 46.216322] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.217260] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.218161] do_seccomp+0x349/0x25e0 [ 46.218905] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.219823] ? __pfx_do_seccomp+0x10/0x10 [ 46.220612] ? find_held_lock+0x2b/0x80 [ 46.221338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.222319] ? static_key_count+0x60/0x80 [ 46.223113] prctl_set_seccomp+0x4e/0x70 [ 46.223917] __do_sys_prctl+0xe6c/0x1d70 [ 46.224708] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.225571] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.226564] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.227493] ? irqentry_exit+0xf3/0x650 [ 46.228267] do_syscall_64+0xbf/0x430 [ 46.229022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.229988] RIP: 0033:0x7f0d724465cd [ 46.230717] 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 [ 46.233900] RSP: 002b:00007ffee4adbeb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.235286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d724465cd [ 46.236592] RDX: 0000557653f26e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.237877] RBP: 00007ffee4adbf10 R08: 0000000000000000 R09: 00007ffee4adb5b0 [ 46.239182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557664ca22b0 [ 46.240473] R13: 00007ffee4adc340 R14: 0000557664ca4d20 R15: 0000557664cb68d0 [ 46.241794] [ 46.242225] irq event stamp: 1787 [ 46.242891] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 46.244438] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 46.245963] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 46.247535] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 46.249067] ---[ end trace 0000000000000000 ]--- [ 49.412421] ------------[ cut here ]------------ [ 49.413342] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.415358] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.416854] Modules linked in: [ 49.417436] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.419406] Tainted: [W]=WARN [ 49.420003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.421460] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.422366] 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 [ 49.425537] RSP: 0018:ffff888016507bc0 EFLAGS: 00010286 [ 49.426476] RAX: 0000000000000000 RBX: ffffed1002ca0f78 RCX: ffffffff813a4050 [ 49.427749] RDX: ffff88800f08d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.429031] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ca0f2f [ 49.430317] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.431613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016507df8 [ 49.432887] FS: 00007faa1d392900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.434323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.435371] CR2: 00007faa1d884580 CR3: 000000000b705000 CR4: 0000000000350ef0 [ 49.436643] Call Trace: [ 49.437102] [ 49.437557] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.438410] ? __create_object+0x59/0x80 [ 49.439205] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.440171] __vmalloc_noprof+0x59/0x60 [ 49.440925] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.441802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.442741] bpf_prog_alloc+0x39/0x200 [ 49.443438] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.444362] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.445277] do_seccomp+0x349/0x25e0 [ 49.446007] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.446922] ? __pfx_do_seccomp+0x10/0x10 [ 49.447712] ? find_held_lock+0x2b/0x80 [ 49.448422] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.449387] ? static_key_count+0x60/0x80 [ 49.450191] prctl_set_seccomp+0x4e/0x70 [ 49.450975] __do_sys_prctl+0xe6c/0x1d70 [ 49.451755] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.452600] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.453560] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.454492] ? irqentry_exit+0xf3/0x650 [ 49.455260] do_syscall_64+0xbf/0x430 [ 49.456001] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.456956] RIP: 0033:0x7faa1d8845cd [ 49.457659] 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 [ 49.460812] RSP: 002b:00007ffd0b5040a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.462168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa1d8845cd [ 49.463467] RDX: 00005568c4cf8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.464738] RBP: 00007ffd0b504100 R08: 0000000000000000 R09: 00007ffd0b5037a0 [ 49.466008] R10: 0000000000000000 R11: 0000000000000246 R12: 00005568e5996b10 [ 49.467300] R13: 00007ffd0b504530 R14: 00005568e59972b0 R15: 00005568e59ab6f0 [ 49.468590] [ 49.469011] irq event stamp: 1753 [ 49.469655] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.471179] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.472696] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 49.474235] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 49.475363] ---[ end trace 0000000000000000 ]--- [ 50.236785] ------------[ cut here ]------------ [ 50.237725] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.239755] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.241180] Modules linked in: [ 50.241809] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.243861] Tainted: [W]=WARN [ 50.244429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.246136] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.247152] 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 [ 50.250337] RSP: 0018:ffff88801740fbc0 EFLAGS: 00010286 [ 50.251329] RAX: 0000000000000000 RBX: ffffed1002e81f78 RCX: ffffffff813a4050 [ 50.252603] RDX: ffff888015f4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.253885] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e81f2f [ 50.255182] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.256471] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801740fdf8 [ 50.257769] FS: 00007f3e07db6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.259231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.260291] CR2: 00007f3e082a8580 CR3: 000000000bdc2000 CR4: 0000000000350ef0 [ 50.261578] Call Trace: [ 50.262049] [ 50.262475] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.263387] ? __create_object+0x59/0x80 [ 50.264184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.265164] __vmalloc_noprof+0x59/0x60 [ 50.265937] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.266843] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.267778] bpf_prog_alloc+0x39/0x200 [ 50.268479] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.269404] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.270326] do_seccomp+0x349/0x25e0 [ 50.271056] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.271965] ? __pfx_do_seccomp+0x10/0x10 [ 50.272767] ? find_held_lock+0x2b/0x80 [ 50.273481] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.274464] ? static_key_count+0x60/0x80 [ 50.275280] prctl_set_seccomp+0x4e/0x70 [ 50.276053] __do_sys_prctl+0xe6c/0x1d70 [ 50.276829] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.277684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.278676] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.279649] ? irqentry_exit+0xf3/0x650 [ 50.280374] do_syscall_64+0xbf/0x430 [ 50.281116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.282073] RIP: 0033:0x7f3e082a85cd [ 50.282807] 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 [ 50.286011] RSP: 002b:00007ffe91c376e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.287387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e082a85cd [ 50.288690] RDX: 000055a917538e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.290007] RBP: 00007ffe91c37740 R08: 0000000000000000 R09: 00007ffe91c36de0 [ 50.291318] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9466dcad0 [ 50.292593] R13: 00007ffe91c37b70 R14: 000055a9466ddbc0 R15: 000055a9466ee780 [ 50.293903] [ 50.294327] irq event stamp: 1803 [ 50.295015] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 50.296551] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 50.298075] softirqs last enabled at (1532): [] handle_softirqs+0x50c/0x770 [ 50.299659] softirqs last disabled at (1527): [] __irq_exit_rcu+0xc4/0x100 [ 50.301197] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24363' (ECDSA) to the list of known hosts. 2025/11/17 20:42:41 fuzzer started 2025/11/17 20:42:41 dialing manager at localhost:37895 2025/11/17 20:42:41 checking machine... 2025/11/17 20:42:41 checking revisions... [ 51.195312] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:42:41 testing simple program... [ 51.281425] cgroup: Unknown subsys name 'net' [ 51.343964] cgroup: Unknown subsys name 'cpuset' [ 51.362378] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:42:41 Registers: info registers vcpu 0 RAX=1ffff1100389628e RBX=dffffc0000000000 RCX=ffffffff81938690 RDX=ffff888015e0b780 RSI=ffffffff819379df RDI=ffff88801c4b1470 RBP=ffff88801c4b1200 RSP=ffff888016aef8a8 R8 =0000000000000001 R9 =ffffed10038962a8 R10=ffff88801c4b1547 R11=0000000000000001 R12=ffff88801c4b1420 R13=ffff88801c4b12d0 R14=ffff88801c4b1298 R15=ffff88801c4b1280 RIP=ffffffff81751c70 RFL=00000246 [---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 00007faa1d392900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0b4fe000 CR3=0000000018912000 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=0000000000026bdd 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=00000206 [-----P-] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005568e59cffe0 CR3=00000000166de000 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=5080a2fcb46aa1bdee4a836c5d9432e3 XMM02=0000000000304238eff9b2d0a8fce9cb XMM03=00000000003043082c67c8bc2e329bc3 XMM04=26d4f4bd1cf81e4300000000000ae988 XMM05=07c8bb74b6c04a44000000000031d158 XMM06=ac7b3e03bb26e45f0000000000317a38 XMM07=e042d86d42eb936e000000000030d650 XMM08=f8804d5362f08ce10000000000304308 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000