syzkaller login: [ 38.934096] ------------[ cut here ]------------ [ 38.935030] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.937002] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 38.938662] Modules linked in: [ 38.939370] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.941357] Tainted: [W]=WARN [ 38.941962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.943434] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.944347] 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 [ 38.947504] RSP: 0018:ffff88801621fbc0 EFLAGS: 00010286 [ 38.948466] RAX: 0000000000000000 RBX: ffffed1002c43f78 RCX: ffffffff813a4050 [ 38.949741] RDX: ffff888016161bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.951023] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c43f2f [ 38.952314] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.953580] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801621fdf8 [ 38.954869] FS: 00007f1c396c9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.956293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.957344] CR2: 00007ffe12735ef8 CR3: 000000000de51000 CR4: 0000000000350ef0 [ 38.958637] Call Trace: [ 38.959145] [ 38.959560] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.960458] ? __create_object+0x59/0x80 [ 38.961252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.962243] __vmalloc_noprof+0x59/0x60 [ 38.963029] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.963916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.964861] bpf_prog_alloc+0x39/0x200 [ 38.965553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.966486] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.967404] do_seccomp+0x349/0x25e0 [ 38.968124] ? find_held_lock+0x2b/0x80 [ 38.968892] ? do_prlimit+0x310/0x610 [ 38.969592] ? __pfx_do_seccomp+0x10/0x10 [ 38.970382] ? do_raw_spin_unlock+0x53/0x220 [ 38.971241] ? _raw_spin_unlock+0x1e/0x40 [ 38.972039] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.973013] ? static_key_count+0x60/0x80 [ 38.973828] prctl_set_seccomp+0x4e/0x70 [ 38.974571] __do_sys_prctl+0xe6c/0x1d70 [ 38.975369] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.976230] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.977210] ? irqentry_exit+0xf3/0x650 [ 38.977985] do_syscall_64+0xbf/0x430 [ 38.978722] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.979651] RIP: 0033:0x7f1c39bbb5cd [ 38.980377] 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 [ 38.983562] RSP: 002b:00007ffe12734570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.984943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c39bbb5cd [ 38.986235] RDX: 0000560ad5088e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.987539] RBP: 00007ffe127345d0 R08: 0000000000000000 R09: 00007ffe12733c70 [ 38.988831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b00437bf0 [ 38.990116] R13: 00007ffe12734a00 R14: 0000560b00441380 R15: 0000560b0044c460 [ 38.991428] [ 38.991892] irq event stamp: 1873 [ 38.992494] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 38.994023] hardirqs last disabled at (1890): [] __up_console_sem+0x5d/0x80 [ 38.995564] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 38.997109] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 38.998631] ---[ end trace 0000000000000000 ]--- [ 42.433476] ------------[ cut here ]------------ [ 42.434231] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.435884] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.437133] Modules linked in: [ 42.437621] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.439310] Tainted: [W]=WARN [ 42.439795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.441013] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.441764] 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 [ 42.444382] RSP: 0018:ffff888019b7fbc0 EFLAGS: 00010286 [ 42.445226] RAX: 0000000000000000 RBX: ffffed100336ff78 RCX: ffffffff813a4050 [ 42.446273] RDX: ffff88800ad15340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.447333] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336ff2f [ 42.448387] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.449446] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b7fdf8 [ 42.450506] FS: 00007feb6c018900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.451712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.452542] CR2: 00007fff4b5b2ef8 CR3: 000000001767f000 CR4: 0000000000350ef0 [ 42.453595] Call Trace: [ 42.454009] [ 42.454348] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.455102] ? __create_object+0x59/0x80 [ 42.455741] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.456500] __vmalloc_noprof+0x59/0x60 [ 42.457132] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.457848] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.458573] bpf_prog_alloc+0x39/0x200 [ 42.459189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.459948] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.460658] do_seccomp+0x349/0x25e0 [ 42.461254] ? find_held_lock+0x2b/0x80 [ 42.461881] ? do_prlimit+0x310/0x610 [ 42.462453] ? __pfx_do_seccomp+0x10/0x10 [ 42.463100] ? do_raw_spin_unlock+0x53/0x220 [ 42.463779] ? _raw_spin_unlock+0x1e/0x40 [ 42.464383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.465178] ? static_key_count+0x60/0x80 [ 42.465827] prctl_set_seccomp+0x4e/0x70 [ 42.466430] __do_sys_prctl+0xe6c/0x1d70 [ 42.467086] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.467783] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.468536] ? irqentry_exit+0xf3/0x650 [ 42.469177] do_syscall_64+0xbf/0x430 [ 42.469793] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.470538] RIP: 0033:0x7feb6c50a5cd [ 42.471131] 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 [ 42.473731] RSP: 002b:00007fff4b5b1570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.474863] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb6c50a5cd [ 42.475922] RDX: 000055ed714cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.476976] RBP: 00007fff4b5b15d0 R08: 0000000000000000 R09: 00007fff4b5b0c70 [ 42.478041] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed93ae1ad0 [ 42.479112] R13: 00007fff4b5b1a00 R14: 000055ed93ae2bc0 R15: 000055ed93af3780 [ 42.480182] [ 42.480543] irq event stamp: 1769 [ 42.481088] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.482345] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.483606] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 42.484906] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 42.486158] ---[ end trace 0000000000000000 ]--- [ 43.308716] ------------[ cut here ]------------ [ 43.309591] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.311598] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.313076] Modules linked in: [ 43.313657] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.315708] Tainted: [W]=WARN [ 43.316252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.317699] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.318553] 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 [ 43.321698] RSP: 0018:ffff888016d87bc0 EFLAGS: 00010286 [ 43.322625] RAX: 0000000000000000 RBX: ffffed1002db0f78 RCX: ffffffff813a4050 [ 43.323896] RDX: ffff88801585b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.325177] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db0f2f [ 43.326427] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.327700] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d87df8 [ 43.328956] FS: 00007f4cff9e5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.330381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.331434] CR2: 00007f4cffed7580 CR3: 000000000d45c000 CR4: 0000000000350ef0 [ 43.332702] Call Trace: [ 43.333161] [ 43.333568] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.334447] ? __create_object+0x59/0x80 [ 43.335252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.336209] __vmalloc_noprof+0x59/0x60 [ 43.336960] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.337823] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.338764] bpf_prog_alloc+0x39/0x200 [ 43.339465] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.340386] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.341279] do_seccomp+0x349/0x25e0 [ 43.341997] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.342897] ? __pfx_do_seccomp+0x10/0x10 [ 43.343637] ? find_held_lock+0x2b/0x80 [ 43.344380] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.345320] ? static_key_count+0x60/0x80 [ 43.346109] prctl_set_seccomp+0x4e/0x70 [ 43.346893] __do_sys_prctl+0xe6c/0x1d70 [ 43.347623] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.348462] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.349414] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.350369] ? irqentry_exit+0xf3/0x650 [ 43.351143] do_syscall_64+0xbf/0x430 [ 43.351878] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.352815] RIP: 0033:0x7f4cffed75cd [ 43.353473] 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 [ 43.356608] RSP: 002b:00007fffa2e75980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.357952] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4cffed75cd [ 43.359228] RDX: 000055c7142e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.360492] RBP: 00007fffa2e759e0 R08: 0000000000000000 R09: 00007fffa2e75080 [ 43.361759] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c7421e5ad0 [ 43.363049] R13: 00007fffa2e75e10 R14: 000055c7421e6bc0 R15: 000055c7421f7780 [ 43.364335] [ 43.364799] irq event stamp: 1723 [ 43.365398] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 43.366899] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 43.368407] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 43.369930] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 43.371433] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1575' (ECDSA) to the list of known hosts. 2025/11/19 04:38:25 fuzzer started 2025/11/19 04:38:25 dialing manager at localhost:34383 2025/11/19 04:38:25 checking machine... 2025/11/19 04:38:25 checking revisions... [ 44.290797] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:38:25 testing simple program... [ 44.414468] cgroup: Unknown subsys name 'net' [ 44.476507] cgroup: Unknown subsys name 'cpuset' [ 44.499006] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:38:24 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffffffff85c2ca00 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85c2d458 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffffffff85c2d480 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc1a5d3758 CR3=0000000005c8a000 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=00007fbeba38f510000055da2a628790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880e548f000 RCX=ffffffff815c4a96 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=0000000000000001 RSP=ffff88806cf08b58 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=ffff88806cf25f80 R13=0000000000000000 R14=ffffffff86650294 R15=dffffc0000000000 RIP=ffffffff815d9c76 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 00007f570d82d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007feb6c5cf618 CR3=000000000d207000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=8725e8e9adb412b500000000000ae988 XMM05=a27f4bed7941b8aa0000000000322130 XMM06=7c15ffe3d519fba50000000000320ed0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000