syzkaller login: [ 39.359593] ------------[ cut here ]------------ [ 39.360686] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.362980] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.364923] Modules linked in: [ 39.365735] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.368048] Tainted: [W]=WARN [ 39.368679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.370390] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.371449] 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 [ 39.375116] RSP: 0018:ffff888016187bc0 EFLAGS: 00010286 [ 39.376262] RAX: 0000000000000000 RBX: ffffed1002c30f78 RCX: ffffffff813a4050 [ 39.377751] RDX: ffff88801742b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.379230] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c30f2f [ 39.380740] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.382257] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016187df8 [ 39.383756] FS: 00007fb0e8dd5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.385453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.386684] CR2: 00007fb0e92c7580 CR3: 000000000e4c3000 CR4: 0000000000350ef0 [ 39.388277] Call Trace: [ 39.388775] [ 39.389260] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.390225] ? __create_object+0x59/0x80 [ 39.390993] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.392111] __vmalloc_noprof+0x59/0x60 [ 39.392861] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.393785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.394767] bpf_prog_alloc+0x39/0x200 [ 39.395556] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.396577] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.397538] do_seccomp+0x349/0x25e0 [ 39.398313] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.399283] ? __pfx_do_seccomp+0x10/0x10 [ 39.400147] ? find_held_lock+0x2b/0x80 [ 39.400915] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.401936] ? static_key_count+0x60/0x80 [ 39.402775] prctl_set_seccomp+0x4e/0x70 [ 39.403599] __do_sys_prctl+0xe6c/0x1d70 [ 39.404438] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.405348] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.406387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.407432] ? irqentry_exit+0xf3/0x650 [ 39.408277] do_syscall_64+0xbf/0x430 [ 39.409083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.410105] RIP: 0033:0x7fb0e92c75cd [ 39.410792] 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 [ 39.414139] RSP: 002b:00007ffd9f863380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.415569] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0e92c75cd [ 39.416929] RDX: 000055f6d976de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.418296] RBP: 00007ffd9f8633e0 R08: 0000000000000000 R09: 00007ffd9f862a80 [ 39.419648] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f710818ad0 [ 39.421004] R13: 00007ffd9f863810 R14: 000055f710819bc0 R15: 000055f71082a780 [ 39.422396] [ 39.422843] irq event stamp: 1813 [ 39.423533] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 39.425162] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 39.426751] softirqs last enabled at (1520): [] handle_softirqs+0x50c/0x770 [ 39.428348] softirqs last disabled at (1515): [] __irq_exit_rcu+0xc4/0x100 [ 39.429307] ---[ end trace 0000000000000000 ]--- [ 42.585853] ------------[ cut here ]------------ [ 42.587525] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.589231] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.590432] Modules linked in: [ 42.590940] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.592620] Tainted: [W]=WARN [ 42.593123] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.594332] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.595085] 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 [ 42.597723] RSP: 0018:ffff88801828fbc0 EFLAGS: 00010286 [ 42.598522] RAX: 0000000000000000 RBX: ffffed1003051f78 RCX: ffffffff813a4050 [ 42.599579] RDX: ffff888017aa0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.600648] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003051f2f [ 42.601713] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.602771] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801828fdf8 [ 42.603832] FS: 00007fc33de1c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.605044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.605874] CR2: 00007ffcb5e36ef7 CR3: 000000002087b000 CR4: 0000000000350ef0 [ 42.606929] Call Trace: [ 42.607363] [ 42.607703] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.608421] ? __create_object+0x59/0x80 [ 42.608950] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.609652] __vmalloc_noprof+0x59/0x60 [ 42.610226] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.610814] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.611496] bpf_prog_alloc+0x39/0x200 [ 42.612127] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.612853] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.613596] do_seccomp+0x349/0x25e0 [ 42.614144] ? find_held_lock+0x2b/0x80 [ 42.614678] ? do_prlimit+0x310/0x610 [ 42.615266] ? __pfx_do_seccomp+0x10/0x10 [ 42.615865] ? do_raw_spin_unlock+0x53/0x220 [ 42.616566] ? _raw_spin_unlock+0x1e/0x40 [ 42.617207] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.617951] ? static_key_count+0x60/0x80 [ 42.618604] prctl_set_seccomp+0x4e/0x70 [ 42.619236] __do_sys_prctl+0xe6c/0x1d70 [ 42.619833] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.620820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.622058] ? irqentry_exit+0xf3/0x650 [ 42.622930] do_syscall_64+0xbf/0x430 [ 42.623761] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.624768] RIP: 0033:0x7fc33e30e5cd [ 42.625457] 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 [ 42.628538] RSP: 002b:00007ffcb5e34d40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.629854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc33e30e5cd [ 42.631125] RDX: 000055eb812e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.632379] RBP: 00007ffcb5e34da0 R08: 0000000000000000 R09: 00007ffcb5e34440 [ 42.633599] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb9d85fad0 [ 42.634826] R13: 00007ffcb5e351d0 R14: 000055eb9d860bc0 R15: 000055eb9d871780 [ 42.636084] [ 42.636494] irq event stamp: 2095 [ 42.637112] hardirqs last enabled at (2105): [] __up_console_sem+0x78/0x80 [ 42.638581] hardirqs last disabled at (2120): [] __up_console_sem+0x5d/0x80 [ 42.639996] softirqs last enabled at (2118): [] handle_softirqs+0x50c/0x770 [ 42.641430] softirqs last disabled at (2113): [] __irq_exit_rcu+0xc4/0x100 [ 42.642830] ---[ end trace 0000000000000000 ]--- [ 43.352234] ------------[ cut here ]------------ [ 43.353202] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.355202] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.356663] Modules linked in: [ 43.357297] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.359286] Tainted: [W]=WARN [ 43.359844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.361351] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.362275] 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 [ 43.365498] RSP: 0018:ffff8880169e7bc0 EFLAGS: 00010286 [ 43.366498] RAX: 0000000000000000 RBX: ffffed1002d3cf78 RCX: ffffffff813a4050 [ 43.367825] RDX: ffff88800f131bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.369146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3cf2f [ 43.370488] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.371805] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169e7df8 [ 43.373143] FS: 00007f55c1fa4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.374634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.375732] CR2: 00007f55c2496580 CR3: 00000000209c2000 CR4: 0000000000350ef0 [ 43.377073] Call Trace: [ 43.377555] [ 43.377964] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.378861] ? __create_object+0x59/0x80 [ 43.379677] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.380713] __vmalloc_noprof+0x59/0x60 [ 43.381503] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.382414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.383396] bpf_prog_alloc+0x39/0x200 [ 43.384164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.385084] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.385936] do_seccomp+0x349/0x25e0 [ 43.386647] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.387532] ? __pfx_do_seccomp+0x10/0x10 [ 43.388326] ? find_held_lock+0x2b/0x80 [ 43.389093] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.390008] ? static_key_count+0x60/0x80 [ 43.390810] prctl_set_seccomp+0x4e/0x70 [ 43.391581] __do_sys_prctl+0xe6c/0x1d70 [ 43.392390] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.393234] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.394196] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.395157] ? irqentry_exit+0xf3/0x650 [ 43.395876] do_syscall_64+0xbf/0x430 [ 43.396633] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.397580] RIP: 0033:0x7f55c24965cd [ 43.398285] 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 [ 43.401415] RSP: 002b:00007ffd0a5687a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.402787] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55c24965cd [ 43.404079] RDX: 000055e5e9a6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.405352] RBP: 00007ffd0a568800 R08: 0000000000000000 R09: 00007ffd0a567ea0 [ 43.406640] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6011f3ad0 [ 43.407958] R13: 00007ffd0a568c30 R14: 000055e6011f4bc0 R15: 000055e601205780 [ 43.409258] [ 43.409679] irq event stamp: 1737 [ 43.410325] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 43.411824] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 43.413269] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 43.414557] softirqs last disabled at (1645): [] __irq_exit_rcu+0xc4/0x100 [ 43.415813] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6543' (ECDSA) to the list of known hosts. 2025/11/18 08:42:22 fuzzer started 2025/11/18 08:42:22 dialing manager at localhost:34383 2025/11/18 08:42:22 checking machine... 2025/11/18 08:42:22 checking revisions... [ 44.243965] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:42:23 testing simple program... [ 44.334962] cgroup: Unknown subsys name 'net' [ 44.391501] cgroup: Unknown subsys name 'cpuset' [ 44.403630] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:42:22 Registers: info registers vcpu 0 RAX=ffff88806ce08a01 RBX=ffff88806ce08a60 RCX=0000000000000002 RDX=ffff88806ce09001 RSI=ffff88806ce08a30 RDI=ffff88806ce08a70 RBP=ffff88806ce01000 RSP=ffff88806ce089a0 R8 =0000000000000001 R9 =ffff88806ce08aa0 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88806ce08a01 R13=ffff88806ce08aa8 R14=ffff88806ce08a30 R15=ffff88806ce08a60 RIP=ffffffff8135fbfc RFL=00000206 [-----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 00007fc33de1c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc33e3d3618 CR3=0000000020923000 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=563412feff00545000000000000080fe 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=a015b09c65d6ae0c RBX=d42f6b65832c3de6 RCX=3e3fa448207e49ff RDX=013ed0f0e6631e5e RSI=13ed7775bbc678e3 RDI=000055f1573f35b0 RBP=0000000000000030 RSP=00007ffee19d3b38 R8 =000055f1573f4760 R9 =0000000000000020 R10=c14a414762fa3069 R11=000055f1573f4ff0 R12=c14a414762fa3069 R13=0000000000000030 R14=8005c56c483a89f6 R15=000055f1573f3c20 RIP=00007f7721a0c735 RFL=00000a07 [-O---PC] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f77211cb900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055f1573fa318 CR3=000000000e774000 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=4fe5ad77862fc7bef3a880a3619d637e XMM02=fbea6534f2e147f1566f4746b71243e7 XMM03=fabaa4401360aaaa33e830e2a4927e75 XMM04=27e3dd1fbfb0891d7eb92327caf960c3 XMM05=d9f7ec4154678b7199f7bfb99fece68d XMM06=132f98bfe14ad9250e941f20b72089ee XMM07=79d4c0eca2869575c6043d5f8908e54b XMM08=d886248bcb4d4579806d752c8dbafc7e XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000