syzkaller login: [ 38.923955] ------------[ cut here ]------------ [ 38.924868] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.926942] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 38.928414] Modules linked in: [ 38.929056] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.931060] Tainted: [W]=WARN [ 38.931902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.933496] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.934386] 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 [ 38.937565] RSP: 0018:ffff888016a1fbc0 EFLAGS: 00010286 [ 38.938556] RAX: 0000000000000000 RBX: ffffed1002d43f78 RCX: ffffffff813a4050 [ 38.939878] RDX: ffff8880158a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.941181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d43f2f [ 38.942502] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.943797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a1fdf8 [ 38.945112] FS: 00007f8ff4401900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.946588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.947666] CR2: 00007f8ff48f3580 CR3: 0000000015db4000 CR4: 0000000000350ef0 [ 38.948974] Call Trace: [ 38.949494] [ 38.949929] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.950837] ? __create_object+0x59/0x80 [ 38.951633] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.952611] __vmalloc_noprof+0x59/0x60 [ 38.953334] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.954232] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.955174] bpf_prog_alloc+0x39/0x200 [ 38.955930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.956858] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.957780] do_seccomp+0x349/0x25e0 [ 38.958521] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.959384] ? __pfx_do_seccomp+0x10/0x10 [ 38.960179] ? find_held_lock+0x2b/0x80 [ 38.960928] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.961933] ? static_key_count+0x60/0x80 [ 38.962740] prctl_set_seccomp+0x4e/0x70 [ 38.963532] __do_sys_prctl+0xe6c/0x1d70 [ 38.964279] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.965145] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.966127] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.967098] ? irqentry_exit+0xf3/0x650 [ 38.967874] do_syscall_64+0xbf/0x430 [ 38.968624] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.969591] RIP: 0033:0x7f8ff48f35cd [ 38.970265] 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 [ 38.973475] RSP: 002b:00007ffd3cfd7100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.974870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ff48f35cd [ 38.976153] RDX: 000055bb75462e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.977431] RBP: 00007ffd3cfd7160 R08: 0000000000000000 R09: 00007ffd3cfd6800 [ 38.978756] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb76b35240 [ 38.980048] R13: 00007ffd3cfd7590 R14: 000055bb76b34bf0 R15: 000055bb76b494d0 [ 38.981356] [ 38.981837] irq event stamp: 1779 [ 38.982497] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 38.984024] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 38.985545] softirqs last enabled at (1612): [] handle_softirqs+0x50c/0x770 [ 38.987113] softirqs last disabled at (1607): [] __irq_exit_rcu+0xc4/0x100 [ 38.988666] ---[ end trace 0000000000000000 ]--- [ 42.460807] ------------[ cut here ]------------ [ 42.461747] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.463813] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 42.465292] Modules linked in: [ 42.465954] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.467974] Tainted: [W]=WARN [ 42.468588] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.470342] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.471727] 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 [ 42.474965] RSP: 0018:ffff88801c0ffbc0 EFLAGS: 00010286 [ 42.475956] RAX: 0000000000000000 RBX: ffffed100381ff78 RCX: ffffffff813a4050 [ 42.477257] RDX: ffff88800f5a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.478567] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100381ff2f [ 42.479885] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.481160] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c0ffdf8 [ 42.482479] FS: 00007fad8e755900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.483958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.485024] CR2: 00007fad8ec47580 CR3: 0000000020a9b000 CR4: 0000000000350ef0 [ 42.486337] Call Trace: [ 42.486855] [ 42.487279] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.488172] ? __create_object+0x59/0x80 [ 42.488978] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.489980] __vmalloc_noprof+0x59/0x60 [ 42.490752] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.491615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.492576] bpf_prog_alloc+0x39/0x200 [ 42.493283] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.494228] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.495131] do_seccomp+0x349/0x25e0 [ 42.495861] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.496763] ? __pfx_do_seccomp+0x10/0x10 [ 42.497563] ? find_held_lock+0x2b/0x80 [ 42.498308] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.499261] ? static_key_count+0x60/0x80 [ 42.500079] prctl_set_seccomp+0x4e/0x70 [ 42.500872] __do_sys_prctl+0xe6c/0x1d70 [ 42.501673] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.502546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.503534] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.504507] ? irqentry_exit+0xf3/0x650 [ 42.505237] do_syscall_64+0xbf/0x430 [ 42.505993] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.506957] RIP: 0033:0x7fad8ec475cd [ 42.507669] 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 [ 42.510912] RSP: 002b:00007fff0dbdb290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.512292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad8ec475cd [ 42.513575] RDX: 00005616ad6eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.514903] RBP: 00007fff0dbdb2f0 R08: 0000000000000000 R09: 00007fff0dbda990 [ 42.516188] R10: 0000000000000000 R11: 0000000000000246 R12: 00005616c13a6ad0 [ 42.517489] R13: 00007fff0dbdb720 R14: 00005616c13a7bc0 R15: 00005616c13b8780 [ 42.518808] [ 42.519246] irq event stamp: 1841 [ 42.519911] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 42.521468] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 42.523032] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 42.524599] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 42.526080] ---[ end trace 0000000000000000 ]--- [ 43.377089] ------------[ cut here ]------------ [ 43.378037] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.380066] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 43.381504] Modules linked in: [ 43.382103] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.384112] Tainted: [W]=WARN [ 43.384719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.386194] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.387110] 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 [ 43.390282] RSP: 0018:ffff888016b6fbc0 EFLAGS: 00010286 [ 43.391257] RAX: 0000000000000000 RBX: ffffed1002d6df78 RCX: ffffffff813a4050 [ 43.392529] RDX: ffff888015633780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.393816] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6df2f [ 43.395097] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.396366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b6fdf8 [ 43.397657] FS: 00007f4e4fa63900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.399090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.400160] CR2: 00007f4e4ff55580 CR3: 000000001c4f3000 CR4: 0000000000350ef0 [ 43.401441] Call Trace: [ 43.401952] [ 43.402369] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.403273] ? __create_object+0x59/0x80 [ 43.404070] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.405060] __vmalloc_noprof+0x59/0x60 [ 43.405879] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.406769] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.407716] bpf_prog_alloc+0x39/0x200 [ 43.408416] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.409364] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.410292] do_seccomp+0x349/0x25e0 [ 43.411022] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.411936] ? __pfx_do_seccomp+0x10/0x10 [ 43.412739] ? find_held_lock+0x2b/0x80 [ 43.413520] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.414513] ? static_key_count+0x60/0x80 [ 43.415280] prctl_set_seccomp+0x4e/0x70 [ 43.416072] __do_sys_prctl+0xe6c/0x1d70 [ 43.416871] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.417758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.418743] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.419715] ? irqentry_exit+0xf3/0x650 [ 43.420445] do_syscall_64+0xbf/0x430 [ 43.421201] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.422178] RIP: 0033:0x7f4e4ff555cd [ 43.422887] 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 [ 43.426107] RSP: 002b:00007ffd8be2dc80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.427491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e4ff555cd [ 43.428784] RDX: 000055ce179bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.430102] RBP: 00007ffd8be2dce0 R08: 0000000000000000 R09: 00007ffd8be2d380 [ 43.431416] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce49552ad0 [ 43.432709] R13: 00007ffd8be2e110 R14: 000055ce49553bc0 R15: 000055ce49564780 [ 43.434044] [ 43.434522] irq event stamp: 1735 [ 43.435137] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 43.436652] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 43.438187] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.439520] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 43.440778] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61321' (ECDSA) to the list of known hosts. 2025/11/18 00:20:40 fuzzer started 2025/11/18 00:20:41 dialing manager at localhost:37895 2025/11/18 00:20:41 checking machine... 2025/11/18 00:20:41 checking revisions... [ 44.355880] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:20:41 testing simple program... [ 44.441032] cgroup: Unknown subsys name 'net' [ 44.510316] cgroup: Unknown subsys name 'cpuset' [ 44.523001] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:20:40 Registers: info registers vcpu 0 RAX=000000000003fafd 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005616c13cb768 CR3=000000000b4e5000 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=2030343a30323a303020383120766f4e XMM01=73732878696e755f6d6170203a5d3434 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3434325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039333a30323a3030203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888020a8ddc0 RCX=ffffffff81a76af4 RDX=1ffff11004151bcf RSI=ffffffff819bf1ad RDI=ffff888020a8de78 RBP=ffff888020a8de70 RSP=ffff888015787748 R8 =ffff888020a8de78 R9 =ffffed100393345b R10=0000000000000020 R11=0000000000000001 R12=ffff888020a8d971 R13=0000000000000020 R14=ffff888020a8ddc0 R15=ffff88801c99a248 RIP=ffffffff84c2dfc2 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 00007fad8e755900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fad8e734020 CR3=0000000020aed000 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