syzkaller login: [ 39.366803] ------------[ cut here ]------------ [ 39.367531] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.369184] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.370382] Modules linked in: [ 39.370912] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.372764] Tainted: [W]=WARN [ 39.373223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.374860] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.375590] 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 [ 39.378226] RSP: 0018:ffff888013957bc0 EFLAGS: 00010286 [ 39.379034] RAX: 0000000000000000 RBX: ffffed100272af78 RCX: ffffffff813a4050 [ 39.380096] RDX: ffff888017b53780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.381159] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100272af2f [ 39.382245] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.383319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013957df8 [ 39.384384] FS: 00007f355fd42900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.385578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.386460] CR2: 00007f3560234580 CR3: 0000000017485000 CR4: 0000000000350ef0 [ 39.387523] Call Trace: [ 39.387942] [ 39.388292] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.389035] ? __create_object+0x59/0x80 [ 39.389661] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.390465] __vmalloc_noprof+0x59/0x60 [ 39.391102] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.391816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.392549] bpf_prog_alloc+0x39/0x200 [ 39.393164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.393942] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.394648] do_seccomp+0x349/0x25e0 [ 39.395239] ? finish_task_switch.isra.0+0x294/0x840 [ 39.396023] ? __pfx_do_seccomp+0x10/0x10 [ 39.396641] ? __schedule+0xf2c/0x3d40 [ 39.397260] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.398056] ? static_key_count+0x60/0x80 [ 39.398712] prctl_set_seccomp+0x4e/0x70 [ 39.399317] __do_sys_prctl+0xe6c/0x1d70 [ 39.399971] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.400646] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.401450] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.402254] ? irqentry_exit+0xf3/0x650 [ 39.402883] do_syscall_64+0xbf/0x430 [ 39.403460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.404246] RIP: 0033:0x7f35602345cd [ 39.404825] 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 [ 39.407468] RSP: 002b:00007ffe535f6760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.408591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35602345cd [ 39.409659] RDX: 0000561ecbf88e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.410749] RBP: 00007ffe535f67c0 R08: 0000000000000000 R09: 00007ffe535f5e60 [ 39.411817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ee0d01ad0 [ 39.412871] R13: 00007ffe535f6bf0 R14: 0000561ee0d02bc0 R15: 0000561ee0d13780 [ 39.413954] [ 39.414311] irq event stamp: 1907 [ 39.414852] hardirqs last enabled at (1917): [] __up_console_sem+0x78/0x80 [ 39.416119] hardirqs last disabled at (1926): [] __up_console_sem+0x5d/0x80 [ 39.417381] softirqs last enabled at (1876): [] handle_softirqs+0x50c/0x770 [ 39.418662] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 39.419936] ---[ end trace 0000000000000000 ]--- [ 42.612158] ------------[ cut here ]------------ [ 42.613105] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.615105] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.616600] Modules linked in: [ 42.617290] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.619303] Tainted: [W]=WARN [ 42.619903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.621365] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.622287] 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 [ 42.625436] RSP: 0018:ffff888017667bc0 EFLAGS: 00010286 [ 42.626413] RAX: 0000000000000000 RBX: ffffed1002eccf78 RCX: ffffffff813a4050 [ 42.627709] RDX: ffff888016120000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.628987] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eccf2f [ 42.630282] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.631585] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017667df8 [ 42.632870] FS: 00007fdd0f670900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.634308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.635371] CR2: 00007ffe4722cef7 CR3: 000000000ba24000 CR4: 0000000000350ef0 [ 42.636653] Call Trace: [ 42.637171] [ 42.637593] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.638492] ? __create_object+0x59/0x80 [ 42.639260] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.640223] __vmalloc_noprof+0x59/0x60 [ 42.640996] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.641883] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.642803] bpf_prog_alloc+0x39/0x200 [ 42.643483] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.644406] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.645307] do_seccomp+0x349/0x25e0 [ 42.646044] ? find_held_lock+0x2b/0x80 [ 42.646813] ? do_prlimit+0x310/0x610 [ 42.647516] ? __pfx_do_seccomp+0x10/0x10 [ 42.648296] ? do_raw_spin_unlock+0x53/0x220 [ 42.649139] ? _raw_spin_unlock+0x1e/0x40 [ 42.649930] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.650885] ? static_key_count+0x60/0x80 [ 42.651635] prctl_set_seccomp+0x4e/0x70 [ 42.652403] __do_sys_prctl+0xe6c/0x1d70 [ 42.653198] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.654071] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.655028] ? irqentry_exit+0xf3/0x650 [ 42.655804] do_syscall_64+0xbf/0x430 [ 42.656504] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.657469] RIP: 0033:0x7fdd0fb625cd [ 42.658181] 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 [ 42.661327] RSP: 002b:00007ffe4722a490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.662730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd0fb625cd [ 42.664013] RDX: 000055e9e20fae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.665294] RBP: 00007ffe4722a4f0 R08: 0000000000000000 R09: 00007ffe47229b90 [ 42.666612] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9e33e72b0 [ 42.667900] R13: 00007ffe4722a920 R14: 000055e9e33e9d20 R15: 000055e9e33fb8d0 [ 42.669202] [ 42.669639] irq event stamp: 1727 [ 42.670287] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.671802] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 42.673329] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.674884] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.676388] ---[ end trace 0000000000000000 ]--- [ 43.479494] ------------[ cut here ]------------ [ 43.480388] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.482359] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.483781] Modules linked in: [ 43.484352] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.486289] Tainted: [W]=WARN [ 43.486877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.488287] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.489174] 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 [ 43.492215] RSP: 0018:ffff888017687bc0 EFLAGS: 00010286 [ 43.493157] RAX: 0000000000000000 RBX: ffffed1002ed0f78 RCX: ffffffff813a4050 [ 43.494402] RDX: ffff88801825b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.495643] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed0f2f [ 43.496907] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.498174] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017687df8 [ 43.499424] FS: 00007f6e42e75900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.500825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.501873] CR2: 00007f6e43367580 CR3: 000000000d722000 CR4: 0000000000350ef0 [ 43.503141] Call Trace: [ 43.503590] [ 43.504038] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.504911] ? __create_object+0x59/0x80 [ 43.505644] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.506587] __vmalloc_noprof+0x59/0x60 [ 43.507317] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.508179] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.509081] bpf_prog_alloc+0x39/0x200 [ 43.509807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.510667] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.511540] do_seccomp+0x349/0x25e0 [ 43.512257] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.513143] ? __pfx_do_seccomp+0x10/0x10 [ 43.513929] ? find_held_lock+0x2b/0x80 [ 43.514627] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.515560] ? static_key_count+0x60/0x80 [ 43.516338] prctl_set_seccomp+0x4e/0x70 [ 43.517096] __do_sys_prctl+0xe6c/0x1d70 [ 43.517872] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.518658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.519609] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.520556] ? irqentry_exit+0xf3/0x650 [ 43.521301] do_syscall_64+0xbf/0x430 [ 43.522029] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.522954] RIP: 0033:0x7f6e433675cd [ 43.523604] 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 [ 43.526697] RSP: 002b:00007ffea2378b20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.528036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e433675cd [ 43.529284] RDX: 000055a689b57e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.530549] RBP: 00007ffea2378b80 R08: 0000000000000000 R09: 00007ffea2378220 [ 43.531812] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6be45aad0 [ 43.533069] R13: 00007ffea2378fb0 R14: 000055a6be45bbc0 R15: 000055a6be46c780 [ 43.534360] [ 43.534812] irq event stamp: 1717 [ 43.535397] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 43.536876] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 43.538370] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 43.539859] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 43.541324] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34871' (ECDSA) to the list of known hosts. 2025/11/18 14:01:29 fuzzer started 2025/11/18 14:01:29 dialing manager at localhost:34383 2025/11/18 14:01:29 checking machine... 2025/11/18 14:01:29 checking revisions... [ 44.443477] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:01:29 testing simple program... [ 44.538888] cgroup: Unknown subsys name 'net' [ 44.598379] cgroup: Unknown subsys name 'cpuset' [ 44.614797] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:01:28 Registers: info registers vcpu 0 RAX=ffff88801825d340 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888013b174e8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ed R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529352 RFL=00000006 [-----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fdbf378f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdbf2ea4418 CR3=000000000e14d000 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=f45a9fb8c4462cb92b412ca245ccf9d9 XMM02=ec2efd57dc4c00df0000000000303dc8 XMM03=c71f760e979f4f810000000000303e98 XMM04=c591b9ef92c6a72300000000000ae988 XMM05=2b178c875bdd9b2e000000000031ea18 XMM06=d96330e2d2db8632000000000031d8d0 XMM07=fb795ef6d6577056000000000030ced0 XMM08=2c67c8bc2e329bc30000000000303e38 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888016269bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801626a618 RSP=ffff88806cf08858 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801626a6e0 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 00007fdd0f670900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe47224000 CR3=000000000e68a000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000