syzkaller login: [ 38.939160] ------------[ cut here ]------------ [ 38.940095] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.942148] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.943627] Modules linked in: [ 38.944512] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.946587] Tainted: [W]=WARN [ 38.947142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.948602] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.949496] 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 [ 38.952672] RSP: 0018:ffff88801777fbc0 EFLAGS: 00010286 [ 38.953659] RAX: 0000000000000000 RBX: ffffed1002eeff78 RCX: ffffffff813a4050 [ 38.954959] RDX: ffff888015fe0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.956233] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eeff2f [ 38.957500] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.958787] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801777fdf8 [ 38.960082] FS: 00007f63c49ce900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.961503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.962571] CR2: 00007ffe5d1b6ef8 CR3: 000000000b6ce000 CR4: 0000000000350ef0 [ 38.963854] Call Trace: [ 38.964360] [ 38.964777] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.965689] ? __create_object+0x59/0x80 [ 38.966484] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.967460] __vmalloc_noprof+0x59/0x60 [ 38.968178] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.969052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.969968] bpf_prog_alloc+0x39/0x200 [ 38.970705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.971632] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.972534] do_seccomp+0x349/0x25e0 [ 38.973246] ? find_held_lock+0x2b/0x80 [ 38.973973] ? do_prlimit+0x310/0x610 [ 38.974716] ? __pfx_do_seccomp+0x10/0x10 [ 38.975509] ? do_raw_spin_unlock+0x53/0x220 [ 38.976347] ? _raw_spin_unlock+0x1e/0x40 [ 38.977086] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.978053] ? static_key_count+0x60/0x80 [ 38.978860] prctl_set_seccomp+0x4e/0x70 [ 38.979614] __do_sys_prctl+0xe6c/0x1d70 [ 38.980398] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.981264] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.982237] ? irqentry_exit+0xf3/0x650 [ 38.982959] do_syscall_64+0xbf/0x430 [ 38.983691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.984634] RIP: 0033:0x7f63c4ec05cd [ 38.985351] 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 [ 38.988559] RSP: 002b:00007ffe5d1b4550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.989928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f63c4ec05cd [ 38.991233] RDX: 000055f670281e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.992492] RBP: 00007ffe5d1b45b0 R08: 0000000000000000 R09: 00007ffe5d1b3c50 [ 38.993784] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6733482b0 [ 38.995063] R13: 00007ffe5d1b49e0 R14: 000055f67334ad20 R15: 000055f67335c8d0 [ 38.996373] [ 38.996799] irq event stamp: 1809 [ 38.997441] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 38.998976] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 39.000477] softirqs last enabled at (1328): [] handle_softirqs+0x50c/0x770 [ 39.002022] softirqs last disabled at (1305): [] __irq_exit_rcu+0xc4/0x100 [ 39.003546] ---[ end trace 0000000000000000 ]--- [ 42.370753] ------------[ cut here ]------------ [ 42.371510] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.373179] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.374438] Modules linked in: [ 42.374923] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.376607] Tainted: [W]=WARN [ 42.377070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.378296] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.379010] 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 [ 42.381639] RSP: 0018:ffff888013a6fbc0 EFLAGS: 00010286 [ 42.382476] RAX: 0000000000000000 RBX: ffffed100274df78 RCX: ffffffff813a4050 [ 42.383538] RDX: ffff888015cad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.384594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100274df2f [ 42.385650] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.386719] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013a6fdf8 [ 42.387782] FS: 00007fc04a601900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.388979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.389866] CR2: 00007fc04aaf3580 CR3: 000000002062c000 CR4: 0000000000350ef0 [ 42.390954] Call Trace: [ 42.391378] [ 42.391729] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.392468] ? __create_object+0x59/0x80 [ 42.393086] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.393881] __vmalloc_noprof+0x59/0x60 [ 42.394530] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.395252] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.395984] bpf_prog_alloc+0x39/0x200 [ 42.396605] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.397370] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.398075] do_seccomp+0x349/0x25e0 [ 42.398680] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.399414] ? __pfx_do_seccomp+0x10/0x10 [ 42.400028] ? find_held_lock+0x2b/0x80 [ 42.400651] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.401446] ? static_key_count+0x60/0x80 [ 42.402079] prctl_set_seccomp+0x4e/0x70 [ 42.402727] __do_sys_prctl+0xe6c/0x1d70 [ 42.403373] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.404057] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.404849] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.405641] ? irqentry_exit+0xf3/0x650 [ 42.406277] do_syscall_64+0xbf/0x430 [ 42.406859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.407639] RIP: 0033:0x7fc04aaf35cd [ 42.408183] 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 [ 42.410848] RSP: 002b:00007fffaa3e4ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.411971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc04aaf35cd [ 42.413036] RDX: 0000564960b28e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.414101] RBP: 00007fffaa3e4c00 R08: 0000000000000000 R09: 00007fffaa3e42a0 [ 42.415182] R10: 0000000000000000 R11: 0000000000000246 R12: 000056498da8cad0 [ 42.416269] R13: 00007fffaa3e5030 R14: 000056498da8dbc0 R15: 000056498da9e780 [ 42.417368] [ 42.417721] irq event stamp: 1733 [ 42.418267] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.419531] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.420794] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 42.422065] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 42.423330] ---[ end trace 0000000000000000 ]--- [ 43.152076] ------------[ cut here ]------------ [ 43.152969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.154964] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.156384] Modules linked in: [ 43.156957] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.158892] Tainted: [W]=WARN [ 43.159474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.160907] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.161797] 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 [ 43.164910] RSP: 0018:ffff8880161f7bc0 EFLAGS: 00010286 [ 43.165857] RAX: 0000000000000000 RBX: ffffed1002c3ef78 RCX: ffffffff813a4050 [ 43.167120] RDX: ffff888015c8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.168366] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3ef2f [ 43.169622] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.170891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161f7df8 [ 43.172160] FS: 00007f2198cdc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.173608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.174668] CR2: 00007f21992424a6 CR3: 0000000020422000 CR4: 0000000000350ef0 [ 43.175950] Call Trace: [ 43.176451] [ 43.176861] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.177767] ? __create_object+0x59/0x80 [ 43.178568] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.179541] __vmalloc_noprof+0x59/0x60 [ 43.180302] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.181135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.182061] bpf_prog_alloc+0x39/0x200 [ 43.182816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.183756] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.184661] do_seccomp+0x349/0x25e0 [ 43.185383] ? find_held_lock+0x2b/0x80 [ 43.186107] ? do_prlimit+0x310/0x610 [ 43.186857] ? __pfx_do_seccomp+0x10/0x10 [ 43.187650] ? do_raw_spin_unlock+0x53/0x220 [ 43.188487] ? _raw_spin_unlock+0x1e/0x40 [ 43.189266] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.190242] ? static_key_count+0x60/0x80 [ 43.191001] prctl_set_seccomp+0x4e/0x70 [ 43.191773] __do_sys_prctl+0xe6c/0x1d70 [ 43.192560] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.193416] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.194399] ? irqentry_exit+0xf3/0x650 [ 43.195128] do_syscall_64+0xbf/0x430 [ 43.195866] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.196828] RIP: 0033:0x7f21991ce5cd [ 43.197532] 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 [ 43.200732] RSP: 002b:00007ffe3d85af70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.202102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f21991ce5cd [ 43.203403] RDX: 000055df7301ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.204697] RBP: 00007ffe3d85afd0 R08: 0000000000000000 R09: 00007ffe3d85a670 [ 43.205987] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dfa3c48ad0 [ 43.207297] R13: 00007ffe3d85b400 R14: 000055dfa3c49bc0 R15: 000055dfa3c5a780 [ 43.208607] [ 43.209034] irq event stamp: 1741 [ 43.209681] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 43.211224] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 43.212754] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 43.214325] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 43.215845] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16766' (ECDSA) to the list of known hosts. 2025/11/18 10:39:54 fuzzer started 2025/11/18 10:39:54 dialing manager at localhost:34383 2025/11/18 10:39:54 checking machine... 2025/11/18 10:39:54 checking revisions... [ 44.083063] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:39:54 testing simple program... [ 44.169074] cgroup: Unknown subsys name 'net' [ 44.234708] cgroup: Unknown subsys name 'cpuset' [ 44.248620] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:39:54 Registers: info registers vcpu 0 RAX=596b751f41958900 RBX=ffff888009627ba0 RCX=ffffffff86ab8484 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627788 R8 =ffffffff86ab8488 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff8135e7a2 R13=ffff888009627888 R14=ffff888009627ba0 R15=ffff888009627840 RIP=ffffffff81528ee4 RFL=00000296 [--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcb9587d98 CR3=000000000e461000 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=2033353a39333a303120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033353a39333a3031203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff81bc3767 RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888019a37970 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000100 R11=0000000000000001 R12=0000000000000002 R13=ffffffff81bc3767 R14=0000000000000000 R15=ffff888017331120 RIP=ffffffff81b2d29a RFL=00000297 [--S-APC] 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 00007fc04a601900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffaa3de000 CR3=0000000020628000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000