syzkaller login: [ 46.565437] ------------[ cut here ]------------ [ 46.566177] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.567858] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.569322] Modules linked in: [ 46.569863] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.571521] Tainted: [W]=WARN [ 46.571987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.573224] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.573994] 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 [ 46.576703] RSP: 0018:ffff88801616fbc0 EFLAGS: 00010286 [ 46.577555] RAX: 0000000000000000 RBX: ffffed1002c2df78 RCX: ffffffff813a4050 [ 46.578650] RDX: ffff88800f78b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.579749] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2df2f [ 46.580847] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.581957] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801616fdf8 [ 46.583064] FS: 00007f93d018b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.584301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.585210] CR2: 00007ffdacc90ef7 CR3: 0000000009cab000 CR4: 0000000000350ef0 [ 46.586309] Call Trace: [ 46.586736] [ 46.587085] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.587840] ? __create_object+0x59/0x80 [ 46.588510] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.589306] __vmalloc_noprof+0x59/0x60 [ 46.589956] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.590709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.591505] bpf_prog_alloc+0x39/0x200 [ 46.592096] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.592892] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.593674] do_seccomp+0x349/0x25e0 [ 46.594248] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.595074] ? irqentry_exit+0x17b/0x650 [ 46.595729] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 46.596565] ? __pfx_do_seccomp+0x10/0x10 [ 46.597209] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.598030] ? static_key_count+0x60/0x80 [ 46.598710] prctl_set_seccomp+0x4e/0x70 [ 46.599335] __do_sys_prctl+0xe6c/0x1d70 [ 46.600006] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.600742] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.601585] ? irqentry_exit+0xf3/0x650 [ 46.602201] do_syscall_64+0xbf/0x430 [ 46.602834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.603634] RIP: 0033:0x7f93d067d5cd [ 46.604195] 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 [ 46.606912] RSP: 002b:00007ffdacc8e2a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.608083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93d067d5cd [ 46.609185] RDX: 00005558c1dd8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.610281] RBP: 00007ffdacc8e300 R08: 0000000000000000 R09: 00007ffdacc8d9a0 [ 46.611385] R10: 0000000000000000 R11: 0000000000000246 R12: 00005558f8123bf0 [ 46.612484] R13: 00007ffdacc8e730 R14: 00005558f812d380 R15: 00005558f8138460 [ 46.613606] [ 46.613968] irq event stamp: 1761 [ 46.614516] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 46.615820] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 46.617132] softirqs last enabled at (1496): [] handle_softirqs+0x50c/0x770 [ 46.618445] softirqs last disabled at (1481): [] __irq_exit_rcu+0xc4/0x100 [ 46.619741] ---[ end trace 0000000000000000 ]--- [ 49.341894] ------------[ cut here ]------------ [ 49.342692] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.344488] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.345746] Modules linked in: [ 49.346267] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.348001] Tainted: [W]=WARN [ 49.348508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.349805] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.350590] 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 [ 49.353359] RSP: 0018:ffff88801a11fbc0 EFLAGS: 00010286 [ 49.354206] RAX: 0000000000000000 RBX: ffffed1003423f78 RCX: ffffffff813a4050 [ 49.355324] RDX: ffff888019c81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.356437] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003423f2f [ 49.357561] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.358670] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a11fdf8 [ 49.359811] FS: 00007f0265c5d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.361079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.362005] CR2: 00007ffd24e30ef7 CR3: 000000000bd88000 CR4: 0000000000350ef0 [ 49.363131] Call Trace: [ 49.363569] [ 49.363937] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.364705] ? __create_object+0x59/0x80 [ 49.365414] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.366220] __vmalloc_noprof+0x59/0x60 [ 49.366893] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.367639] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.368456] bpf_prog_alloc+0x39/0x200 [ 49.369080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.369896] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.370669] do_seccomp+0x349/0x25e0 [ 49.371257] ? find_held_lock+0x2b/0x80 [ 49.371931] ? do_prlimit+0x310/0x610 [ 49.372556] ? __pfx_do_seccomp+0x10/0x10 [ 49.373214] ? do_raw_spin_unlock+0x53/0x220 [ 49.373949] ? _raw_spin_unlock+0x1e/0x40 [ 49.374623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.375460] ? static_key_count+0x60/0x80 [ 49.376132] prctl_set_seccomp+0x4e/0x70 [ 49.376817] __do_sys_prctl+0xe6c/0x1d70 [ 49.377535] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.378247] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.379085] ? irqentry_exit+0xf3/0x650 [ 49.379744] do_syscall_64+0xbf/0x430 [ 49.380403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.381214] RIP: 0033:0x7f026614f5cd [ 49.381845] 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 [ 49.384733] RSP: 002b:00007ffd24e2e420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.385981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f026614f5cd [ 49.387130] RDX: 000055e908b9de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.388296] RBP: 00007ffd24e2e480 R08: 0000000000000000 R09: 00007ffd24e2db20 [ 49.389465] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e91c2a9ad0 [ 49.390616] R13: 00007ffd24e2e8b0 R14: 000055e91c2aabc0 R15: 000055e91c2bb780 [ 49.391800] [ 49.392188] irq event stamp: 1733 [ 49.392773] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 49.394170] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.395546] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 49.396941] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 49.398311] ---[ end trace 0000000000000000 ]--- [ 50.241732] ------------[ cut here ]------------ [ 50.242673] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.245028] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.246547] Modules linked in: [ 50.247149] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.249149] Tainted: [W]=WARN [ 50.249743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.251232] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.252143] 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 [ 50.255355] RSP: 0018:ffff8880155a7bc0 EFLAGS: 00010286 [ 50.256324] RAX: 0000000000000000 RBX: ffffed1002ab4f78 RCX: ffffffff813a4050 [ 50.257622] RDX: ffff888019c13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.258923] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ab4f2f [ 50.260209] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.261524] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880155a7df8 [ 50.262817] FS: 00007f828c920900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.264261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.265338] CR2: 00007fff1c9f4ef7 CR3: 000000000d9b8000 CR4: 0000000000350ef0 [ 50.266671] Call Trace: [ 50.267154] [ 50.267633] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.268530] ? __create_object+0x59/0x80 [ 50.269277] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.270265] __vmalloc_noprof+0x59/0x60 [ 50.271019] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.271900] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.272836] bpf_prog_alloc+0x39/0x200 [ 50.273599] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.274537] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.275444] do_seccomp+0x349/0x25e0 [ 50.276120] ? find_held_lock+0x2b/0x80 [ 50.276886] ? do_prlimit+0x310/0x610 [ 50.277623] ? __pfx_do_seccomp+0x10/0x10 [ 50.278411] ? do_raw_spin_unlock+0x53/0x220 [ 50.279229] ? _raw_spin_unlock+0x1e/0x40 [ 50.280032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.280996] ? static_key_count+0x60/0x80 [ 50.281801] prctl_set_seccomp+0x4e/0x70 [ 50.282596] __do_sys_prctl+0xe6c/0x1d70 [ 50.283340] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.284212] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.285191] ? irqentry_exit+0xf3/0x650 [ 50.285955] do_syscall_64+0xbf/0x430 [ 50.286703] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.287657] RIP: 0033:0x7f828ce125cd [ 50.288316] 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 [ 50.291457] RSP: 002b:00007fff1c9f2b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.292825] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f828ce125cd [ 50.294092] RDX: 000055cd3da81e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.295187] RBP: 00007fff1c9f2bb0 R08: 0000000000000000 R09: 00007fff1c9f2250 [ 50.296253] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd7330f2b0 [ 50.297333] R13: 00007fff1c9f2fe0 R14: 000055cd73311d20 R15: 000055cd733238d0 [ 50.298445] [ 50.298801] irq event stamp: 1841 [ 50.299297] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 50.300555] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 50.301820] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 50.303105] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 50.304382] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56441' (ECDSA) to the list of known hosts. 2025/11/18 11:27:59 fuzzer started 2025/11/18 11:28:00 dialing manager at localhost:34383 2025/11/18 11:28:00 checking machine... 2025/11/18 11:28:00 checking revisions... [ 51.203104] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:28:00 testing simple program... [ 51.290025] cgroup: Unknown subsys name 'net' [ 51.348490] cgroup: Unknown subsys name 'cpuset' [ 51.369931] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:27:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff83ca22ad RDX=ffff888019c80000 RSI=ffffffff83ca244a RDI=0000000000000005 RBP=1ffff11002cb0f6a RSP=ffff888016587b40 R8 =0000000000000001 R9 =ffffed1002e85ea0 R10=0000000000000000 R11=0000000000000001 R12=00000000ffffffff R13=0000000000000cc0 R14=0000000000000000 R15=ffff8880096c78c0 RIP=ffffffff81751e4b RFL=00000246 [---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 00007f0265c5d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0266214618 CR3=000000000e7f4000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000023b9d 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=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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4f6c35f000 CR3=000000000dae0000 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=0806bd069f39ed837c4f462ebe874e73 XMM02=2c67c8bc2e329bc30000000000305918 XMM03=fb795ef6d65770560000000000311348 XMM04=9631eae9b684ecc800000000000ae988 XMM05=1778230fe9492e7300000000003228f8 XMM06=5b75c91c804453420000000000321230 XMM07=e042d86d42eb936e0000000000312498 XMM08=5e4269ab44ae6e200000000000305978 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000