syzkaller login: [ 45.963360] ------------[ cut here ]------------ [ 45.964294] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.966320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.967871] Modules linked in: [ 45.968517] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.970569] Tainted: [W]=WARN [ 45.971139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.972624] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.973559] 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 [ 45.976800] RSP: 0018:ffff88801c6ffbc0 EFLAGS: 00010286 [ 45.977789] RAX: 0000000000000000 RBX: ffffed10038dff78 RCX: ffffffff813a4050 [ 45.979092] RDX: ffff88801ad5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.980396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038dff2f [ 45.981722] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.983028] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c6ffdf8 [ 45.984320] FS: 00007f901746e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.985784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.986869] CR2: 00007ffc0459def8 CR3: 000000000ca71000 CR4: 0000000000350ef0 [ 45.988169] Call Trace: [ 45.988675] [ 45.989106] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.990012] ? __create_object+0x59/0x80 [ 45.990804] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.991786] __vmalloc_noprof+0x59/0x60 [ 45.992558] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.993452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.994352] bpf_prog_alloc+0x39/0x200 [ 45.995105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.996041] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.996965] do_seccomp+0x349/0x25e0 [ 45.997685] ? find_held_lock+0x2b/0x80 [ 45.998460] ? do_prlimit+0x310/0x610 [ 45.999163] ? __pfx_do_seccomp+0x10/0x10 [ 45.999960] ? do_raw_spin_unlock+0x53/0x220 [ 46.000803] ? _raw_spin_unlock+0x1e/0x40 [ 46.001591] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.002572] ? static_key_count+0x60/0x80 [ 46.003346] prctl_set_seccomp+0x4e/0x70 [ 46.004128] __do_sys_prctl+0xe6c/0x1d70 [ 46.004933] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.005805] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.006793] ? irqentry_exit+0xf3/0x650 [ 46.007567] do_syscall_64+0xbf/0x430 [ 46.008270] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.009243] RIP: 0033:0x7f90179605cd [ 46.009948] 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 [ 46.013144] RSP: 002b:00007ffc0459bfc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.014519] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f90179605cd [ 46.015824] RDX: 000055af5bbbfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.017132] RBP: 00007ffc0459c020 R08: 0000000000000000 R09: 00007ffc0459b6c0 [ 46.018226] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af8e4ebad0 [ 46.019290] R13: 00007ffc0459c450 R14: 000055af8e4ecbc0 R15: 000055af8e4fd780 [ 46.020404] [ 46.020768] irq event stamp: 1763 [ 46.021271] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 46.022534] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 46.023799] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 46.025110] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 46.026395] ---[ end trace 0000000000000000 ]--- [ 48.811833] ------------[ cut here ]------------ [ 48.812766] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.814799] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 48.816240] Modules linked in: [ 48.816874] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.819095] Tainted: [W]=WARN [ 48.819761] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.821236] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.822146] 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 [ 48.825318] RSP: 0018:ffff8880167cfbc0 EFLAGS: 00010286 [ 48.826290] RAX: 0000000000000000 RBX: ffffed1002cf9f78 RCX: ffffffff813a4050 [ 48.827566] RDX: ffff88801c6d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.828852] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf9f2f [ 48.830128] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.831415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167cfdf8 [ 48.832699] FS: 00007f766ea1b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.834149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.835205] CR2: 00007ffcf5c60ef8 CR3: 000000000bec2000 CR4: 0000000000350ef0 [ 48.836480] Call Trace: [ 48.836953] [ 48.837358] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.838255] ? __create_object+0x59/0x80 [ 48.839037] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.840003] __vmalloc_noprof+0x59/0x60 [ 48.840768] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.841640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.842570] bpf_prog_alloc+0x39/0x200 [ 48.843257] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.844175] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.845088] do_seccomp+0x349/0x25e0 [ 48.845804] ? find_held_lock+0x2b/0x80 [ 48.846563] ? do_prlimit+0x310/0x610 [ 48.847264] ? __pfx_do_seccomp+0x10/0x10 [ 48.848047] ? do_raw_spin_unlock+0x53/0x220 [ 48.848890] ? _raw_spin_unlock+0x1e/0x40 [ 48.849671] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.850628] ? static_key_count+0x60/0x80 [ 48.851423] prctl_set_seccomp+0x4e/0x70 [ 48.852181] __do_sys_prctl+0xe6c/0x1d70 [ 48.853052] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.853973] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.855009] ? irqentry_exit+0xf3/0x650 [ 48.855834] do_syscall_64+0xbf/0x430 [ 48.856625] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.857668] RIP: 0033:0x7f766ef0d5cd [ 48.858424] 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 [ 48.861829] RSP: 002b:00007ffcf5c5ebf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.863282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f766ef0d5cd [ 48.864648] RDX: 0000561e89b46e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.866040] RBP: 00007ffcf5c5ec50 R08: 0000000000000000 R09: 00007ffcf5c5e2f0 [ 48.867419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e8e04ab10 [ 48.868802] R13: 00007ffcf5c5f080 R14: 0000561e8e04b2b0 R15: 0000561e8e05f6f0 [ 48.870108] [ 48.870521] irq event stamp: 1799 [ 48.871065] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 48.872423] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 48.873824] softirqs last enabled at (1410): [] handle_softirqs+0x50c/0x770 [ 48.875240] softirqs last disabled at (1405): [] __irq_exit_rcu+0xc4/0x100 [ 48.876629] ---[ end trace 0000000000000000 ]--- [ 49.639088] ------------[ cut here ]------------ [ 49.640001] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.642008] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.643456] Modules linked in: [ 49.644045] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.646032] Tainted: [W]=WARN [ 49.646620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.648068] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.648980] 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 [ 49.652108] RSP: 0018:ffff88801a08fbc0 EFLAGS: 00010286 [ 49.653098] RAX: 0000000000000000 RBX: ffffed1003411f78 RCX: ffffffff813a4050 [ 49.654362] RDX: ffff88801a07b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.655655] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003411f2f [ 49.656919] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.658221] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a08fdf8 [ 49.659513] FS: 00007ff2d9aad900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.660975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.662044] CR2: 00007fffa55b0ef8 CR3: 0000000009d2a000 CR4: 0000000000350ef0 [ 49.663332] Call Trace: [ 49.663850] [ 49.664271] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.665183] ? __create_object+0x59/0x80 [ 49.665981] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.666948] __vmalloc_noprof+0x59/0x60 [ 49.667717] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.668589] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.669545] bpf_prog_alloc+0x39/0x200 [ 49.670234] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.671198] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.672101] do_seccomp+0x349/0x25e0 [ 49.672868] ? find_held_lock+0x2b/0x80 [ 49.673644] ? do_prlimit+0x310/0x610 [ 49.674347] ? __pfx_do_seccomp+0x10/0x10 [ 49.675142] ? do_raw_spin_unlock+0x53/0x220 [ 49.675973] ? _raw_spin_unlock+0x1e/0x40 [ 49.676751] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.677726] ? static_key_count+0x60/0x80 [ 49.678521] prctl_set_seccomp+0x4e/0x70 [ 49.679256] __do_sys_prctl+0xe6c/0x1d70 [ 49.680034] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.680893] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.681871] ? irqentry_exit+0xf3/0x650 [ 49.682653] do_syscall_64+0xbf/0x430 [ 49.683351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.684309] RIP: 0033:0x7ff2d9f9f5cd [ 49.685039] 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 [ 49.688233] RSP: 002b:00007fffa55af1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.689623] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2d9f9f5cd [ 49.690912] RDX: 0000564943c31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.692206] RBP: 00007fffa55af240 R08: 0000000000000000 R09: 00007fffa55ae8e0 [ 49.693518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564974a9eb10 [ 49.694795] R13: 00007fffa55af670 R14: 0000564974a9f2b0 R15: 0000564974ab36f0 [ 49.696098] [ 49.696574] irq event stamp: 1717 [ 49.697194] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.698474] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 49.699730] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 49.701022] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 49.702281] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23771' (ECDSA) to the list of known hosts. 2025/11/18 21:56:04 fuzzer started 2025/11/18 21:56:04 dialing manager at localhost:34383 2025/11/18 21:56:04 checking machine... 2025/11/18 21:56:04 checking revisions... [ 50.599856] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:56:04 testing simple program... [ 50.699579] cgroup: Unknown subsys name 'net' [ 50.763924] cgroup: Unknown subsys name 'cpuset' [ 50.775990] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:56:03 Registers: info registers vcpu 0 RAX=0000000000044f5f RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f96065bd018 CR3=000000000d286000 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=e871de10c5076c93ce444616d0e2eb9d XMM02=0000000000303758ec2efd57dc4c00df XMM03=000000000030f228fc86edb0c74737d5 XMM04=790e8e7e75999f5b00000000000ae988 XMM05=fbcb01a7f90f5b68000000000031f858 XMM06=474038aa6c007e1f000000000031f250 XMM07=e042d86d42eb936e0000000000310378 XMM08=fc86edb0c74737d500000000003037b8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801c6dd340 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801723f300 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f5f R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801723f3e8 RIP=ffffffff81529327 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 00007f766ea1b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f766e9ea008 CR3=000000000c9ce000 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=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