syzkaller login: [ 45.844551] ------------[ cut here ]------------ [ 45.845480] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.847432] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 45.848925] Modules linked in: [ 45.849605] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.851562] Tainted: [W]=WARN [ 45.852157] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.853615] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.854560] 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 [ 45.857696] RSP: 0018:ffff88801461fbc0 EFLAGS: 00010286 [ 45.858662] RAX: 0000000000000000 RBX: ffffed10028c3f78 RCX: ffffffff813a4050 [ 45.859929] RDX: ffff88800f50b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.861212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028c3f2f [ 45.862482] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.864053] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801461fdf8 [ 45.865688] FS: 00007fba5df0b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.867516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.868892] CR2: 00007ffec3438ef8 CR3: 000000001434b000 CR4: 0000000000350ef0 [ 45.870515] Call Trace: [ 45.871148] [ 45.871676] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.872853] ? __create_object+0x59/0x80 [ 45.873871] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.875102] __vmalloc_noprof+0x59/0x60 [ 45.876110] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.877245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.878427] bpf_prog_alloc+0x39/0x200 [ 45.879370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.880578] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.881736] do_seccomp+0x349/0x25e0 [ 45.882679] ? find_held_lock+0x2b/0x80 [ 45.883666] ? do_prlimit+0x310/0x610 [ 45.884639] ? __pfx_do_seccomp+0x10/0x10 [ 45.885654] ? do_raw_spin_unlock+0x53/0x220 [ 45.886726] ? _raw_spin_unlock+0x1e/0x40 [ 45.887723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.888980] ? static_key_count+0x60/0x80 [ 45.890087] prctl_set_seccomp+0x4e/0x70 [ 45.891081] __do_sys_prctl+0xe6c/0x1d70 [ 45.892081] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.893119] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.894085] ? irqentry_exit+0xf3/0x650 [ 45.894792] do_syscall_64+0xbf/0x430 [ 45.895517] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.896489] RIP: 0033:0x7fba5e3fd5cd [ 45.897181] 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 [ 45.900280] RSP: 002b:00007ffec3436870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.901632] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba5e3fd5cd [ 45.902885] RDX: 000056399e157e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.904145] RBP: 00007ffec34368d0 R08: 0000000000000000 R09: 00007ffec3435f70 [ 45.905421] R10: 0000000000000000 R11: 0000000000000246 R12: 00005639b8996b10 [ 45.906675] R13: 00007ffec3436d00 R14: 00005639b89972b0 R15: 00005639b89ab6f0 [ 45.907938] [ 45.908408] irq event stamp: 1839 [ 45.909001] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 45.910518] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 45.912014] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 45.913362] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 45.914592] ---[ end trace 0000000000000000 ]--- [ 48.826255] ------------[ cut here ]------------ [ 48.826983] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.829682] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 48.830916] Modules linked in: [ 48.831455] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.833149] Tainted: [W]=WARN [ 48.833614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.834841] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.835622] 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 [ 48.838316] RSP: 0018:ffff8880147d7bc0 EFLAGS: 00010286 [ 48.839144] RAX: 0000000000000000 RBX: ffffed10028faf78 RCX: ffffffff813a4050 [ 48.840209] RDX: ffff888015bdd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.841320] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028faf2f [ 48.842397] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.843492] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880147d7df8 [ 48.844599] FS: 00007ff6c6a0c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.845797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.846693] CR2: 00007ffc36177ef8 CR3: 000000000cd42000 CR4: 0000000000350ef0 [ 48.847784] Call Trace: [ 48.848214] [ 48.848598] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.849353] ? __create_object+0x59/0x80 [ 48.849975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.850787] __vmalloc_noprof+0x59/0x60 [ 48.851417] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.852139] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.852917] bpf_prog_alloc+0x39/0x200 [ 48.853529] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.854297] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.855057] do_seccomp+0x349/0x25e0 [ 48.855618] ? find_held_lock+0x2b/0x80 [ 48.856251] ? do_prlimit+0x310/0x610 [ 48.856856] ? __pfx_do_seccomp+0x10/0x10 [ 48.857537] ? do_raw_spin_unlock+0x53/0x220 [ 48.858251] ? _raw_spin_unlock+0x1e/0x40 [ 48.858873] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.859680] ? static_key_count+0x60/0x80 [ 48.860373] prctl_set_seccomp+0x4e/0x70 [ 48.861051] __do_sys_prctl+0xe6c/0x1d70 [ 48.861678] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.862391] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.863743] ? irqentry_exit+0xf3/0x650 [ 48.864415] do_syscall_64+0xbf/0x430 [ 48.865004] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.865797] RIP: 0033:0x7ff6c6efe5cd [ 48.866378] 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 [ 48.869054] RSP: 002b:00007ffc361758d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.870198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6c6efe5cd [ 48.871278] RDX: 000055f1ccb25e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.872367] RBP: 00007ffc36175930 R08: 0000000000000000 R09: 00007ffc36174fd0 [ 48.873463] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1e8e4ebf0 [ 48.874543] R13: 00007ffc36175d60 R14: 000055f1e8e58380 R15: 000055f1e8e63460 [ 48.875633] [ 48.875988] irq event stamp: 2063 [ 48.876563] hardirqs last enabled at (2073): [] __up_console_sem+0x78/0x80 [ 48.877843] hardirqs last disabled at (2082): [] __up_console_sem+0x5d/0x80 [ 48.879127] softirqs last enabled at (1552): [] handle_softirqs+0x50c/0x770 [ 48.880449] softirqs last disabled at (1249): [] __irq_exit_rcu+0xc4/0x100 [ 48.881738] ---[ end trace 0000000000000000 ]--- [ 49.681912] ------------[ cut here ]------------ [ 49.682829] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.684850] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 49.687521] Modules linked in: [ 49.688222] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.690202] Tainted: [W]=WARN [ 49.690751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.692207] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.693120] 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 [ 49.696284] RSP: 0018:ffff888016d3fbc0 EFLAGS: 00010286 [ 49.697288] RAX: 0000000000000000 RBX: ffffed1002da7f78 RCX: ffffffff813a4050 [ 49.698567] RDX: ffff888014788000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.699857] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da7f2f [ 49.701154] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.702440] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d3fdf8 [ 49.703733] FS: 00007efec9e89900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.705197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.706263] CR2: 00007efeca3ef4a6 CR3: 000000000d6dc000 CR4: 0000000000350ef0 [ 49.707569] Call Trace: [ 49.708083] [ 49.708509] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.709402] ? __create_object+0x59/0x80 [ 49.710178] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.711148] __vmalloc_noprof+0x59/0x60 [ 49.711865] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.712746] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.713691] bpf_prog_alloc+0x39/0x200 [ 49.714425] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.715355] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.716255] do_seccomp+0x349/0x25e0 [ 49.716938] ? find_held_lock+0x2b/0x80 [ 49.717692] ? do_prlimit+0x310/0x610 [ 49.718442] ? __pfx_do_seccomp+0x10/0x10 [ 49.719240] ? do_raw_spin_unlock+0x53/0x220 [ 49.720083] ? _raw_spin_unlock+0x1e/0x40 [ 49.720830] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.721785] ? static_key_count+0x60/0x80 [ 49.722572] prctl_set_seccomp+0x4e/0x70 [ 49.723346] __do_sys_prctl+0xe6c/0x1d70 [ 49.724124] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.724942] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.725893] ? irqentry_exit+0xf3/0x650 [ 49.726640] do_syscall_64+0xbf/0x430 [ 49.727371] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.728441] RIP: 0033:0x7efeca37b5cd [ 49.729298] 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 [ 49.732434] RSP: 002b:00007ffd65475f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.733786] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efeca37b5cd [ 49.735049] RDX: 0000558ab2f7ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.736328] RBP: 00007ffd65475f60 R08: 0000000000000000 R09: 00007ffd65475600 [ 49.737599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558acfadfbf0 [ 49.738871] R13: 00007ffd65476390 R14: 0000558acfae9380 R15: 0000558acfaf4460 [ 49.740156] [ 49.740581] irq event stamp: 2005 [ 49.741216] hardirqs last enabled at (2015): [] __up_console_sem+0x78/0x80 [ 49.742724] hardirqs last disabled at (2024): [] __up_console_sem+0x5d/0x80 [ 49.744221] softirqs last enabled at (1964): [] handle_softirqs+0x50c/0x770 [ 49.745745] softirqs last disabled at (1959): [] __irq_exit_rcu+0xc4/0x100 [ 49.747230] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13651' (ECDSA) to the list of known hosts. 2025/11/18 11:29:01 fuzzer started 2025/11/18 11:29:02 dialing manager at localhost:34383 2025/11/18 11:29:02 checking machine... 2025/11/18 11:29:02 checking revisions... [ 50.622500] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:29:02 testing simple program... [ 50.709318] cgroup: Unknown subsys name 'net' [ 50.769945] cgroup: Unknown subsys name 'cpuset' [ 50.783461] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:29:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08dd0 RCX=ffffffff86ab8484 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089b8 R8 =ffffffff86ab8488 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff8135e7a2 R13=ffff88806ce08ab8 R14=ffff88806ce08dd0 R15=ffff88806ce08a70 RIP=ffffffff81528efc RFL=00000247 [---Z-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 00007ff6c6a0c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc3616f000 CR3=000000001f709000 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 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff81360ed1 RDX=0000000000000001 RSI=ffffffff86a01694 RDI=ffffffff866abe54 RBP=ffff88801810f5d8 RSP=ffff88801810f4a8 R8 =ffffffff86a01694 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88801810f5e0 R13=ffff88801810f5c8 R14=ffff88801810f5c1 R15=ffff88801810f580 RIP=ffffffff8135da46 RFL=00000202 [-------] 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 00007f3f0f1de700 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=000055f1e8e8afe0 CR3=0000000014333000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3334325b646873732031303a3932 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303033 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000