syzkaller login: [ 46.652388] ------------[ cut here ]------------ [ 46.653312] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.655290] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 46.656757] Modules linked in: [ 46.657386] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.659398] Tainted: [W]=WARN [ 46.659950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.661441] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.662339] 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 [ 46.665510] RSP: 0018:ffff888016acfbc0 EFLAGS: 00010286 [ 46.666497] RAX: 0000000000000000 RBX: ffffed1002d59f78 RCX: ffffffff813a4050 [ 46.667808] RDX: ffff888018ee3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.669096] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d59f2f [ 46.670382] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.671684] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016acfdf8 [ 46.672991] FS: 00007f61750fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.674432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.675519] CR2: 00007fff9526bef7 CR3: 000000000d258000 CR4: 0000000000350ef0 [ 46.676802] Call Trace: [ 46.677295] [ 46.677704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.678607] ? __create_object+0x59/0x80 [ 46.679416] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.680373] __vmalloc_noprof+0x59/0x60 [ 46.681119] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.681951] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.682905] bpf_prog_alloc+0x39/0x200 [ 46.683659] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.684594] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.685501] do_seccomp+0x349/0x25e0 [ 46.686223] ? find_held_lock+0x2b/0x80 [ 46.686945] ? do_prlimit+0x310/0x610 [ 46.687705] ? __pfx_do_seccomp+0x10/0x10 [ 46.688493] ? do_raw_spin_unlock+0x53/0x220 [ 46.689311] ? _raw_spin_unlock+0x1e/0x40 [ 46.690073] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.691017] ? static_key_count+0x60/0x80 [ 46.691791] prctl_set_seccomp+0x4e/0x70 [ 46.692559] __do_sys_prctl+0xe6c/0x1d70 [ 46.693330] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.694170] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.695130] ? irqentry_exit+0xf3/0x650 [ 46.695854] do_syscall_64+0xbf/0x430 [ 46.696594] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.697544] RIP: 0033:0x7f61755ec5cd [ 46.698251] 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 [ 46.701446] RSP: 002b:00007fff9526a8e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.702794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61755ec5cd [ 46.704276] RDX: 000055a847d38e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.705702] RBP: 00007fff9526a940 R08: 0000000000000000 R09: 00007fff95269fe0 [ 46.707130] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a864e182b0 [ 46.708524] R13: 00007fff9526ad70 R14: 000055a864e1ad20 R15: 000055a864e2c8d0 [ 46.709924] [ 46.710454] irq event stamp: 1815 [ 46.711217] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 46.712999] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 46.714741] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 46.716439] softirqs last disabled at (1333): [] __irq_exit_rcu+0xc4/0x100 [ 46.717953] ---[ end trace 0000000000000000 ]--- [ 50.022124] ------------[ cut here ]------------ [ 50.022665] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.023899] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 50.024803] Modules linked in: [ 50.025195] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.026385] Tainted: [W]=WARN [ 50.026720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.027612] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.028157] 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 [ 50.030051] RSP: 0018:ffff88800a71fbc0 EFLAGS: 00010286 [ 50.030614] RAX: 0000000000000000 RBX: ffffed10014e3f78 RCX: ffffffff813a4050 [ 50.031395] RDX: ffff888015ba0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.032166] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014e3f2f [ 50.032910] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.033674] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a71fdf8 [ 50.034448] FS: 00007f8ef0c4e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.035320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.035940] CR2: 00007fff9a3bdef7 CR3: 000000001f550000 CR4: 0000000000350ef0 [ 50.036710] Call Trace: [ 50.037016] [ 50.037267] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.037781] ? __create_object+0x59/0x80 [ 50.038255] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.038809] __vmalloc_noprof+0x59/0x60 [ 50.039260] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.039766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.040322] bpf_prog_alloc+0x39/0x200 [ 50.040737] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.041291] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.041806] do_seccomp+0x349/0x25e0 [ 50.042233] ? find_held_lock+0x2b/0x80 [ 50.042662] ? do_prlimit+0x310/0x610 [ 50.043102] ? __pfx_do_seccomp+0x10/0x10 [ 50.043554] ? do_raw_spin_unlock+0x53/0x220 [ 50.044054] ? _raw_spin_unlock+0x1e/0x40 [ 50.044498] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.045068] ? static_key_count+0x60/0x80 [ 50.045520] prctl_set_seccomp+0x4e/0x70 [ 50.045953] __do_sys_prctl+0xe6c/0x1d70 [ 50.046424] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.046907] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.047494] ? irqentry_exit+0xf3/0x650 [ 50.047925] do_syscall_64+0xbf/0x430 [ 50.048370] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.048911] RIP: 0033:0x7f8ef11405cd [ 50.049329] 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 [ 50.051225] RSP: 002b:00007fff9a3bbc60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.052051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ef11405cd [ 50.052787] RDX: 0000561f9659ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.053551] RBP: 00007fff9a3bbcc0 R08: 0000000000000000 R09: 00007fff9a3bb360 [ 50.054334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f97934ad0 [ 50.055081] R13: 00007fff9a3bc0f0 R14: 0000561f97935bc0 R15: 0000561f97946780 [ 50.055826] [ 50.056103] irq event stamp: 1703 [ 50.056461] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 50.057348] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 50.058235] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 50.059137] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 50.060042] ---[ end trace 0000000000000000 ]--- [ 50.814581] ------------[ cut here ]------------ [ 50.815519] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.817483] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/258 [ 50.818926] Modules linked in: [ 50.819553] CPU: 1 UID: 104 PID: 258 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.822904] Tainted: [W]=WARN [ 50.823599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.825041] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.825895] 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 [ 50.829033] RSP: 0018:ffff8880161c7bc0 EFLAGS: 00010286 [ 50.829948] RAX: 0000000000000000 RBX: ffffed1002c38f78 RCX: ffffffff813a4050 [ 50.831252] RDX: ffff888015cfb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.832519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c38f2f [ 50.833771] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.835029] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161c7df8 [ 50.836303] FS: 00007f97ac380900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.837719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.838764] CR2: 00007fffd6a30ef7 CR3: 000000000c3cf000 CR4: 0000000000350ef0 [ 50.840043] Call Trace: [ 50.840509] [ 50.840914] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.841789] ? __create_object+0x59/0x80 [ 50.842565] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.843534] __vmalloc_noprof+0x59/0x60 [ 50.844281] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.845146] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.846063] bpf_prog_alloc+0x39/0x200 [ 50.846743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.847654] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.848536] do_seccomp+0x349/0x25e0 [ 50.849244] ? find_held_lock+0x2b/0x80 [ 50.849958] ? do_prlimit+0x310/0x610 [ 50.850696] ? __pfx_do_seccomp+0x10/0x10 [ 50.851493] ? do_raw_spin_unlock+0x53/0x220 [ 50.852320] ? _raw_spin_unlock+0x1e/0x40 [ 50.853090] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.854041] ? static_key_count+0x60/0x80 [ 50.854790] prctl_set_seccomp+0x4e/0x70 [ 50.855595] __do_sys_prctl+0xe6c/0x1d70 [ 50.856372] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.857209] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.858164] ? irqentry_exit+0xf3/0x650 [ 50.858878] do_syscall_64+0xbf/0x430 [ 50.859623] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.860563] RIP: 0033:0x7f97ac8725cd [ 50.861254] 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 [ 50.864368] RSP: 002b:00007fffd6a2ef00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.865706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f97ac8725cd [ 50.866984] RDX: 00005621d4748e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.868260] RBP: 00007fffd6a2ef60 R08: 0000000000000000 R09: 00007fffd6a2e600 [ 50.869529] R10: 0000000000000000 R11: 0000000000000246 R12: 000056220836d2b0 [ 50.870784] R13: 00007fffd6a2f390 R14: 000056220836fd20 R15: 00005622083818d0 [ 50.872058] [ 50.872476] irq event stamp: 2149 [ 50.873110] hardirqs last enabled at (2159): [] __up_console_sem+0x78/0x80 [ 50.874589] hardirqs last disabled at (2168): [] __up_console_sem+0x5d/0x80 [ 50.876089] softirqs last enabled at (2072): [] handle_softirqs+0x50c/0x770 [ 50.877592] softirqs last disabled at (2057): [] __irq_exit_rcu+0xc4/0x100 [ 50.879089] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35771' (ECDSA) to the list of known hosts. 2025/11/18 23:03:35 fuzzer started 2025/11/18 23:03:35 dialing manager at localhost:34383 2025/11/18 23:03:35 checking machine... 2025/11/18 23:03:35 checking revisions... [ 51.738531] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:03:35 testing simple program... [ 51.828820] cgroup: Unknown subsys name 'net' [ 51.891801] cgroup: Unknown subsys name 'cpuset' [ 51.904676] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:03:35 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627628 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 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=00007fff9a3b5000 CR3=000000000d645000 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=2034333a33303a333220383120766f4e XMM01=657463656e6e6f63736944203a5d3035 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3035325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034333a33303a3332203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002dd91 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f959c41e000 CR3=000000000d645000 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=33303a333220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3035325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000