syzkaller login: [ 39.407626] ------------[ cut here ]------------ [ 39.408552] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.410574] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.412018] Modules linked in: [ 39.412633] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.414633] Tainted: [W]=WARN [ 39.415237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.416708] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.417617] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.420814] RSP: 0018:ffff88801b54fbc0 EFLAGS: 00010286 [ 39.421804] RAX: 0000000000000000 RBX: ffffed10036a9f78 RCX: ffffffff813a4050 [ 39.423104] RDX: ffff888016273780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.424392] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036a9f2f [ 39.425675] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.426962] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b54fdf8 [ 39.428253] FS: 00007f39dc946900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.429707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.430794] CR2: 00007f39dce38580 CR3: 0000000009a30000 CR4: 0000000000350ef0 [ 39.432065] Call Trace: [ 39.432558] [ 39.432976] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.433873] ? __create_object+0x59/0x80 [ 39.434681] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.435659] __vmalloc_noprof+0x59/0x60 [ 39.436426] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.437309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.438257] bpf_prog_alloc+0x39/0x200 [ 39.438958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.439888] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.440815] do_seccomp+0x349/0x25e0 [ 39.441546] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.442453] ? __pfx_do_seccomp+0x10/0x10 [ 39.443233] ? find_held_lock+0x2b/0x80 [ 39.443961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.444924] ? static_key_count+0x60/0x80 [ 39.445733] prctl_set_seccomp+0x4e/0x70 [ 39.446511] __do_sys_prctl+0xe6c/0x1d70 [ 39.447294] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.448107] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.449072] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.450043] ? irqentry_exit+0xf3/0x650 [ 39.450819] do_syscall_64+0xbf/0x430 [ 39.451568] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.452519] RIP: 0033:0x7f39dce385cd [ 39.453221] 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 [ 39.456420] RSP: 002b:00007ffc1cf475e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.457795] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39dce385cd [ 39.459093] RDX: 0000563856c55e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.460370] RBP: 00007ffc1cf47640 R08: 0000000000000000 R09: 00007ffc1cf46ce0 [ 39.461641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563860618ad0 [ 39.462927] R13: 00007ffc1cf47a70 R14: 0000563860619bc0 R15: 000056386062a780 [ 39.464223] [ 39.464655] irq event stamp: 1763 [ 39.465307] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 39.466843] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 39.468372] softirqs last enabled at (1796): [] handle_softirqs+0x50c/0x770 [ 39.469917] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 39.471455] ---[ end trace 0000000000000000 ]--- [ 42.797799] ------------[ cut here ]------------ [ 42.798759] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.800810] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.802285] Modules linked in: [ 42.802876] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.805056] Tainted: [W]=WARN [ 42.805728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.807215] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.808072] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.811227] RSP: 0018:ffff88801758fbc0 EFLAGS: 00010286 [ 42.812214] RAX: 0000000000000000 RBX: ffffed1002eb1f78 RCX: ffffffff813a4050 [ 42.813509] RDX: ffff888016071bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.814798] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb1f2f [ 42.816070] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.817331] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801758fdf8 [ 42.818626] FS: 00007f2f6ef58900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.820060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.821114] CR2: 00007ffeba05aef7 CR3: 000000001c4bd000 CR4: 0000000000350ef0 [ 42.822412] Call Trace: [ 42.822881] [ 42.823336] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.824246] ? __create_object+0x59/0x80 [ 42.824975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.825950] __vmalloc_noprof+0x59/0x60 [ 42.826713] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.827590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.828528] bpf_prog_alloc+0x39/0x200 [ 42.829263] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.830137] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.831038] do_seccomp+0x349/0x25e0 [ 42.831752] ? find_held_lock+0x2b/0x80 [ 42.832502] ? do_prlimit+0x310/0x610 [ 42.833248] ? __pfx_do_seccomp+0x10/0x10 [ 42.833986] ? do_raw_spin_unlock+0x53/0x220 [ 42.834824] ? _raw_spin_unlock+0x1e/0x40 [ 42.835585] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.836531] ? static_key_count+0x60/0x80 [ 42.837326] prctl_set_seccomp+0x4e/0x70 [ 42.838051] __do_sys_prctl+0xe6c/0x1d70 [ 42.838864] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.839724] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.840701] ? irqentry_exit+0xf3/0x650 [ 42.841490] do_syscall_64+0xbf/0x430 [ 42.842242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.843293] RIP: 0033:0x7f2f6f44a5cd [ 42.843964] 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 [ 42.847149] RSP: 002b:00007ffeba0582e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.848583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f6f44a5cd [ 42.849872] RDX: 0000559784cc5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.851200] RBP: 00007ffeba058340 R08: 0000000000000000 R09: 00007ffeba0579e0 [ 42.852492] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597a533bad0 [ 42.853789] R13: 00007ffeba058770 R14: 00005597a533cbc0 R15: 00005597a534d780 [ 42.855117] [ 42.855599] irq event stamp: 1883 [ 42.856250] hardirqs last enabled at (1893): [] __up_console_sem+0x78/0x80 [ 42.857806] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 42.859360] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 42.860916] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 42.862452] ---[ end trace 0000000000000000 ]--- [ 43.668415] ------------[ cut here ]------------ [ 43.669329] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.671367] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.672810] Modules linked in: [ 43.673497] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.675478] Tainted: [W]=WARN [ 43.676026] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.677477] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.678399] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.681514] RSP: 0018:ffff8880173afbc0 EFLAGS: 00010286 [ 43.682481] RAX: 0000000000000000 RBX: ffffed1002e75f78 RCX: ffffffff813a4050 [ 43.683799] RDX: ffff8880164ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.685069] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e75f2f [ 43.686352] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.687606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173afdf8 [ 43.688869] FS: 00007fd12a246900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.690304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.691364] CR2: 00007fd12a738580 CR3: 0000000016b9e000 CR4: 0000000000350ef0 [ 43.692621] Call Trace: [ 43.693073] [ 43.693517] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.694424] ? __create_object+0x59/0x80 [ 43.695148] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.696114] __vmalloc_noprof+0x59/0x60 [ 43.696878] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.697740] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.698685] bpf_prog_alloc+0x39/0x200 [ 43.699415] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.700334] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.701221] do_seccomp+0x349/0x25e0 [ 43.701888] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.702782] ? __pfx_do_seccomp+0x10/0x10 [ 43.703544] ? find_held_lock+0x2b/0x80 [ 43.704276] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.705230] ? static_key_count+0x60/0x80 [ 43.705987] prctl_set_seccomp+0x4e/0x70 [ 43.706772] __do_sys_prctl+0xe6c/0x1d70 [ 43.707544] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.708389] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.709352] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.710329] ? irqentry_exit+0xf3/0x650 [ 43.711038] do_syscall_64+0xbf/0x430 [ 43.711767] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.712723] RIP: 0033:0x7fd12a7385cd [ 43.713432] 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 [ 43.716583] RSP: 002b:00007ffe67fda960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.717923] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd12a7385cd [ 43.719206] RDX: 000055cdc6cbee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.720475] RBP: 00007ffe67fda9c0 R08: 0000000000000000 R09: 00007ffe67fda060 [ 43.721727] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cdc768db10 [ 43.723011] R13: 00007ffe67fdadf0 R14: 000055cdc768e2b0 R15: 000055cdc76a26f0 [ 43.724304] [ 43.724721] irq event stamp: 1721 [ 43.725366] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 43.726877] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 43.728358] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 43.729883] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 43.731382] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61177' (ECDSA) to the list of known hosts. 2025/11/17 23:35:19 fuzzer started 2025/11/17 23:35:20 dialing manager at localhost:37895 2025/11/17 23:35:20 checking machine... 2025/11/17 23:35:20 checking revisions... [ 44.679680] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:35:20 testing simple program... [ 44.771796] cgroup: Unknown subsys name 'net' [ 44.820600] cgroup: Unknown subsys name 'cpuset' [ 44.834018] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 23:35:19 Registers: info registers vcpu 0 RAX=ffffffff869f1f7b RBX=0000000000000002 RCX=ffffffff869f1f76 RDX=0000000000000000 RSI=1ffffffff0d3e3ef RDI=ffffffff866a18b0 RBP=ffff88806ce08aa8 RSP=ffff88806ce08990 R8 =ffffffff869f1f3a R9 =0000000000000000 R10=000000000003c9ed R11=000000000000453f R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a91 R15=ffff88806ce08a50 RIP=ffffffff8135e815 RFL=00000212 [----A--] 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 00007f2f6ef58900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeba052000 CR3=000000000d848000 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=563412feff00545000000000000080fe 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 info registers vcpu 1 RAX=0000000000022343 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdd5e04ab8 CR3=000000001c51d000 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=2039313a35333a333220373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038313a35333a3332203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000