syzkaller login: [ 38.993070] ------------[ cut here ]------------ [ 38.993810] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.995461] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.996640] Modules linked in: [ 38.997122] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.998734] Tainted: [W]=WARN [ 38.999176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.000919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.001655] 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 [ 39.004176] RSP: 0018:ffff888014877bc0 EFLAGS: 00010286 [ 39.004960] RAX: 0000000000000000 RBX: ffffed100290ef78 RCX: ffffffff813a4050 [ 39.005984] RDX: ffff888014ba0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.007004] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100290ef2f [ 39.008052] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.009070] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014877df8 [ 39.010084] FS: 00007fb0faf75900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.011235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.012055] CR2: 00007fb0fb467580 CR3: 000000000c0e2000 CR4: 0000000000350ef0 [ 39.013081] Call Trace: [ 39.013477] [ 39.013805] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.014509] ? __create_object+0x59/0x80 [ 39.015096] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015874] __vmalloc_noprof+0x59/0x60 [ 39.016489] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.017143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.017881] bpf_prog_alloc+0x39/0x200 [ 39.018481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.019227] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.019914] do_seccomp+0x349/0x25e0 [ 39.020487] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.021170] ? __pfx_do_seccomp+0x10/0x10 [ 39.021789] ? find_held_lock+0x2b/0x80 [ 39.022389] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.023125] ? static_key_count+0x60/0x80 [ 39.023760] prctl_set_seccomp+0x4e/0x70 [ 39.024386] __do_sys_prctl+0xe6c/0x1d70 [ 39.024976] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.025663] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.026446] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.027180] ? irqentry_exit+0xf3/0x650 [ 39.027802] do_syscall_64+0xbf/0x430 [ 39.028397] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.029120] RIP: 0033:0x7fb0fb4675cd [ 39.029683] 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 [ 39.032213] RSP: 002b:00007fff969d67a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.033294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0fb4675cd [ 39.034338] RDX: 0000560761c94e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.035372] RBP: 00007fff969d6800 R08: 0000000000000000 R09: 00007fff969d5ea0 [ 39.036404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560796bdf2b0 [ 39.037428] R13: 00007fff969d6c30 R14: 0000560796be1d20 R15: 0000560796bf38d0 [ 39.038458] [ 39.038794] irq event stamp: 1743 [ 39.039306] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.040526] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.041737] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.042967] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 39.044187] ---[ end trace 0000000000000000 ]--- [ 42.600618] ------------[ cut here ]------------ [ 42.601375] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.602942] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.604088] Modules linked in: [ 42.604590] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.606133] Tainted: [W]=WARN [ 42.606607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.607766] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.608504] 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 [ 42.611006] RSP: 0018:ffff888016d7fbc0 EFLAGS: 00010286 [ 42.611777] RAX: 0000000000000000 RBX: ffffed1002daff78 RCX: ffffffff813a4050 [ 42.612807] RDX: ffff888016781bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.613814] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002daff2f [ 42.614819] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.615835] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d7fdf8 [ 42.616846] FS: 00007fa6a5926900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.617986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.618816] CR2: 00007fa6a5e18580 CR3: 000000000e416000 CR4: 0000000000350ef0 [ 42.619830] Call Trace: [ 42.620229] [ 42.620554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.621251] ? __create_object+0x59/0x80 [ 42.621829] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.622584] __vmalloc_noprof+0x59/0x60 [ 42.623144] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.623827] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.624555] bpf_prog_alloc+0x39/0x200 [ 42.625096] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.625896] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.626789] do_seccomp+0x349/0x25e0 [ 42.627344] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.628024] ? __pfx_do_seccomp+0x10/0x10 [ 42.628633] ? find_held_lock+0x2b/0x80 [ 42.629224] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.629938] ? static_key_count+0x60/0x80 [ 42.630558] prctl_set_seccomp+0x4e/0x70 [ 42.631129] __do_sys_prctl+0xe6c/0x1d70 [ 42.631735] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.632410] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.633130] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.633879] ? irqentry_exit+0xf3/0x650 [ 42.634465] do_syscall_64+0xbf/0x430 [ 42.635006] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.635740] RIP: 0033:0x7fa6a5e185cd [ 42.636316] 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 [ 42.638763] RSP: 002b:00007ffee0c92600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.639827] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6a5e185cd [ 42.640824] RDX: 000055c58b511e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.641829] RBP: 00007ffee0c92660 R08: 0000000000000000 R09: 00007ffee0c91d00 [ 42.642821] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5af404bf0 [ 42.643828] R13: 00007ffee0c92a90 R14: 000055c5af40e380 R15: 000055c5af419460 [ 42.644844] [ 42.645174] irq event stamp: 1693 [ 42.645676] hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 [ 42.646862] hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 [ 42.648049] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.649250] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 42.650425] ---[ end trace 0000000000000000 ]--- [ 43.426403] ------------[ cut here ]------------ [ 43.427125] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.428775] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.429962] Modules linked in: [ 43.430493] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.432136] Tainted: [W]=WARN [ 43.432620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.433825] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.434580] 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 [ 43.438427] RSP: 0018:ffff888016e0fbc0 EFLAGS: 00010286 [ 43.439259] RAX: 0000000000000000 RBX: ffffed1002dc1f78 RCX: ffffffff813a4050 [ 43.440341] RDX: ffff8880177dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.441402] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc1f2f [ 43.442468] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.443519] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e0fdf8 [ 43.444589] FS: 00007fbef85bc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.445777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.446654] CR2: 00007ffc04dd9ef8 CR3: 000000000bd9c000 CR4: 0000000000350ef0 [ 43.447715] Call Trace: [ 43.448115] [ 43.448480] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.449238] ? __create_object+0x59/0x80 [ 43.449847] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.450651] __vmalloc_noprof+0x59/0x60 [ 43.451276] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.451968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.452734] bpf_prog_alloc+0x39/0x200 [ 43.453344] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.454071] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.454810] do_seccomp+0x349/0x25e0 [ 43.455390] ? find_held_lock+0x2b/0x80 [ 43.455997] ? do_prlimit+0x310/0x610 [ 43.456595] ? __pfx_do_seccomp+0x10/0x10 [ 43.457297] ? do_raw_spin_unlock+0x53/0x220 [ 43.457947] ? _raw_spin_unlock+0x1e/0x40 [ 43.458592] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.459390] ? static_key_count+0x60/0x80 [ 43.460026] prctl_set_seccomp+0x4e/0x70 [ 43.460668] __do_sys_prctl+0xe6c/0x1d70 [ 43.461305] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.461976] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.462785] ? irqentry_exit+0xf3/0x650 [ 43.463411] do_syscall_64+0xbf/0x430 [ 43.463994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.464762] RIP: 0033:0x7fbef8aae5cd [ 43.465343] 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 [ 43.467958] RSP: 002b:00007ffc04dd74b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.469087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbef8aae5cd [ 43.470152] RDX: 00005576621c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.471225] RBP: 00007ffc04dd7510 R08: 0000000000000000 R09: 00007ffc04dd6bb0 [ 43.472293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557678e7d240 [ 43.473374] R13: 00007ffc04dd7940 R14: 0000557678e7cbf0 R15: 0000557678e914d0 [ 43.474464] [ 43.474826] irq event stamp: 2027 [ 43.475361] hardirqs last enabled at (2043): [] __up_console_sem+0x78/0x80 [ 43.476638] hardirqs last disabled at (2052): [] __up_console_sem+0x5d/0x80 [ 43.477908] softirqs last enabled at (2040): [] handle_softirqs+0x50c/0x770 [ 43.479171] softirqs last disabled at (2035): [] __irq_exit_rcu+0xc4/0x100 [ 43.480462] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12928' (ECDSA) to the list of known hosts. 2025/11/18 19:28:55 fuzzer started 2025/11/18 19:28:55 dialing manager at localhost:34383 2025/11/18 19:28:55 checking machine... 2025/11/18 19:28:55 checking revisions... [ 44.467811] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:28:55 testing simple program... [ 44.551768] cgroup: Unknown subsys name 'net' [ 44.622405] cgroup: Unknown subsys name 'cpuset' [ 44.642543] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:28:54 Registers: info registers vcpu 0 RAX=000000000003ba9d 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=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 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdc55c1318 CR3=0000000005c8a000 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=00007fbfd1238510000055b5148bd790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=62d4356efdcbcc00 RBX=ffff888017553780 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff888017554250 RDI=ffff888017553780 RBP=ffff8880175541d8 RSP=ffff88806cf08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017554250 R13=0000000000000003 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff8152655b RFL=00000096 [--S-AP-] 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 00007f7b506ec700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa6a5edd618 CR3=000000001c995000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a34323537352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343235 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000