syzkaller login: [ 38.967016] ------------[ cut here ]------------ [ 38.967954] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.969946] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.971432] Modules linked in: [ 38.972065] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.974338] Tainted: [W]=WARN [ 38.975398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.976898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.977838] 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 [ 38.981036] RSP: 0018:ffff88801678fbc0 EFLAGS: 00010286 [ 38.982036] RAX: 0000000000000000 RBX: ffffed1002cf1f78 RCX: ffffffff813a4050 [ 38.983380] RDX: ffff88801677b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.984683] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf1f2f [ 38.985976] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.987309] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801678fdf8 [ 38.988617] FS: 00007fb7e9586900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.990079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.991188] CR2: 00007fb7e9a78580 CR3: 000000000bdc6000 CR4: 0000000000350ef0 [ 38.992512] Call Trace: [ 38.993028] [ 38.993453] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.994363] ? __create_object+0x59/0x80 [ 38.995180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.996191] __vmalloc_noprof+0x59/0x60 [ 38.996982] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.997885] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.998861] bpf_prog_alloc+0x39/0x200 [ 38.999679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.000644] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.001529] do_seccomp+0x349/0x25e0 [ 39.002282] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.003233] ? __pfx_do_seccomp+0x10/0x10 [ 39.004040] ? find_held_lock+0x2b/0x80 [ 39.004837] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.005830] ? static_key_count+0x60/0x80 [ 39.006669] prctl_set_seccomp+0x4e/0x70 [ 39.007420] __do_sys_prctl+0xe6c/0x1d70 [ 39.008232] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.009123] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.010107] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.011120] ? irqentry_exit+0xf3/0x650 [ 39.011911] do_syscall_64+0xbf/0x430 [ 39.012691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.013672] RIP: 0033:0x7fb7e9a785cd [ 39.014360] 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 [ 39.017632] RSP: 002b:00007ffe823214d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.019081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7e9a785cd [ 39.020422] RDX: 000055bd66690e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.021741] RBP: 00007ffe82321530 R08: 0000000000000000 R09: 00007ffe82320bd0 [ 39.023092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd72ca4ad0 [ 39.024486] R13: 00007ffe82321960 R14: 000055bd72ca5bc0 R15: 000055bd72cb6780 [ 39.025865] [ 39.026309] irq event stamp: 1921 [ 39.027007] hardirqs last enabled at (1931): [] __up_console_sem+0x78/0x80 [ 39.028576] hardirqs last disabled at (1940): [] __up_console_sem+0x5d/0x80 [ 39.030191] softirqs last enabled at (1910): [] handle_softirqs+0x50c/0x770 [ 39.031812] softirqs last disabled at (1905): [] __irq_exit_rcu+0xc4/0x100 [ 39.033379] ---[ end trace 0000000000000000 ]--- [ 42.541129] ------------[ cut here ]------------ [ 42.542092] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.544132] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.545713] Modules linked in: [ 42.546416] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.548710] Tainted: [W]=WARN [ 42.549293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.551080] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.552022] 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 [ 42.555246] RSP: 0018:ffff888015f6fbc0 EFLAGS: 00010286 [ 42.556245] RAX: 0000000000000000 RBX: ffffed1002bedf78 RCX: ffffffff813a4050 [ 42.557554] RDX: ffff8880161a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.558874] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bedf2f [ 42.560187] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.561484] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f6fdf8 [ 42.562803] FS: 00007fbc6634a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.564281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.565360] CR2: 00007ffc15cc1ef7 CR3: 0000000020450000 CR4: 0000000000350ef0 [ 42.566659] Call Trace: [ 42.567145] [ 42.567554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.568512] ? __create_object+0x59/0x80 [ 42.569316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.570314] __vmalloc_noprof+0x59/0x60 [ 42.571112] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.572014] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.572963] bpf_prog_alloc+0x39/0x200 [ 42.573706] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.574642] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.575528] do_seccomp+0x349/0x25e0 [ 42.576278] ? find_held_lock+0x2b/0x80 [ 42.577046] ? do_prlimit+0x310/0x610 [ 42.577827] ? __pfx_do_seccomp+0x10/0x10 [ 42.578564] ? do_raw_spin_unlock+0x53/0x220 [ 42.579420] ? _raw_spin_unlock+0x1e/0x40 [ 42.580230] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.581210] ? static_key_count+0x60/0x80 [ 42.582036] prctl_set_seccomp+0x4e/0x70 [ 42.582823] __do_sys_prctl+0xe6c/0x1d70 [ 42.583565] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.584536] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.585642] ? irqentry_exit+0xf3/0x650 [ 42.586422] do_syscall_64+0xbf/0x430 [ 42.587261] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.588284] RIP: 0033:0x7fbc6683c5cd [ 42.589061] 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 [ 42.592474] RSP: 002b:00007ffc15cbf620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.593949] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc6683c5cd [ 42.595368] RDX: 000055de4250ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.596755] RBP: 00007ffc15cbf680 R08: 0000000000000000 R09: 00007ffc15cbed20 [ 42.598113] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de4d014ad0 [ 42.599437] R13: 00007ffc15cbfab0 R14: 000055de4d015bc0 R15: 000055de4d026780 [ 42.600757] [ 42.601187] irq event stamp: 1843 [ 42.601841] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 42.603399] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 42.604941] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 42.606490] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 42.608120] ---[ end trace 0000000000000000 ]--- [ 43.352286] ------------[ cut here ]------------ [ 43.353192] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.355586] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.357044] Modules linked in: [ 43.357673] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.359882] Tainted: [W]=WARN [ 43.360436] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.361951] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.362861] 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 [ 43.366001] RSP: 0018:ffff8880173b7bc0 EFLAGS: 00010286 [ 43.366988] RAX: 0000000000000000 RBX: ffffed1002e76f78 RCX: ffffffff813a4050 [ 43.368265] RDX: ffff88800f361bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.369534] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e76f2f [ 43.370796] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.372075] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173b7df8 [ 43.373341] FS: 00007f968f316900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.374753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.375860] CR2: 00007f968f808580 CR3: 000000000bd79000 CR4: 0000000000350ef0 [ 43.377134] Call Trace: [ 43.377641] [ 43.378049] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.378963] ? __create_object+0x59/0x80 [ 43.379742] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.380705] __vmalloc_noprof+0x59/0x60 [ 43.381423] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.382295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.383242] bpf_prog_alloc+0x39/0x200 [ 43.383976] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.384891] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.385781] do_seccomp+0x349/0x25e0 [ 43.386442] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.387345] ? __pfx_do_seccomp+0x10/0x10 [ 43.388124] ? find_held_lock+0x2b/0x80 [ 43.388877] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.389859] ? static_key_count+0x60/0x80 [ 43.390691] prctl_set_seccomp+0x4e/0x70 [ 43.391456] __do_sys_prctl+0xe6c/0x1d70 [ 43.392245] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.393087] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.394039] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.395013] ? irqentry_exit+0xf3/0x650 [ 43.395782] do_syscall_64+0xbf/0x430 [ 43.396473] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.397411] RIP: 0033:0x7f968f8085cd [ 43.398112] 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 [ 43.401267] RSP: 002b:00007ffe45db4c30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.402626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f968f8085cd [ 43.403929] RDX: 00005585fe322e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.405190] RBP: 00007ffe45db4c90 R08: 0000000000000000 R09: 00007ffe45db4330 [ 43.406464] R10: 0000000000000000 R11: 0000000000000246 R12: 00005586129c9b10 [ 43.407751] R13: 00007ffe45db50c0 R14: 00005586129ca2b0 R15: 00005586129de6f0 [ 43.409039] [ 43.409460] irq event stamp: 1895 [ 43.410102] hardirqs last enabled at (1905): [] __up_console_sem+0x78/0x80 [ 43.411666] hardirqs last disabled at (1914): [] __up_console_sem+0x5d/0x80 [ 43.412927] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 43.414203] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 43.415467] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47119' (ECDSA) to the list of known hosts. 2025/11/18 23:14:53 fuzzer started 2025/11/18 23:14:53 dialing manager at localhost:34383 2025/11/18 23:14:53 checking machine... 2025/11/18 23:14:53 checking revisions... [ 44.236122] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:14:53 testing simple program... [ 44.310506] cgroup: Unknown subsys name 'net' [ 44.356940] cgroup: Unknown subsys name 'cpuset' [ 44.365974] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:14:52 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800b9fb2b8 RCX=1ffff11001c89aa3 RDX=dffffc0000000000 RSI=ffffffff885b6f10 RDI=ffff88800e44d518 RBP=ffff88800e44d508 RSP=ffff888009627b50 R8 =0000000000000001 R9 =ffffed10012c4f64 R10=0000000000000003 R11=0000000000000001 R12=ffff88800b9fb2c8 R13=ffff8880204ef2b8 R14=ffff88800e44d508 R15=ffffffff885b6f10 RIP=ffffffff84c2b519 RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbc66901618 CR3=000000000baa0000 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=34313a333220383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732032353a3431 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383831 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001fba5 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=00000206 [-----P-] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055de4d011218 CR3=000000000baa0000 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=2032353a34313a333220383120766f4e XMM01=657463656e6e6f63736944203a5d3234 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3234325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032353a34313a3332203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000