syzkaller login: [ 45.795035] ------------[ cut here ]------------ [ 45.796102] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.798452] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.800216] Modules linked in: [ 45.800954] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.803223] Tainted: [W]=WARN [ 45.803903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.805583] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.806628] 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 [ 45.810246] RSP: 0018:ffff888015767bc0 EFLAGS: 00010286 [ 45.811367] RAX: 0000000000000000 RBX: ffffed1002aecf78 RCX: ffffffff813a4050 [ 45.812835] RDX: ffff888018a4b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.814296] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aecf2f [ 45.815779] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.817243] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015767df8 [ 45.818704] FS: 00007fe4bab75900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.820339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.821559] CR2: 00007fe4bb067580 CR3: 000000000e4d2000 CR4: 0000000000350ef0 [ 45.823028] Call Trace: [ 45.823557] [ 45.824132] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.825178] ? __create_object+0x59/0x80 [ 45.826075] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.827186] __vmalloc_noprof+0x59/0x60 [ 45.828050] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.829048] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.830133] bpf_prog_alloc+0x39/0x200 [ 45.830980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.832055] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.833119] do_seccomp+0x349/0x25e0 [ 45.833948] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.834992] ? __pfx_do_seccomp+0x10/0x10 [ 45.835893] ? find_held_lock+0x2b/0x80 [ 45.836696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.837801] ? static_key_count+0x60/0x80 [ 45.838660] prctl_set_seccomp+0x4e/0x70 [ 45.839533] __do_sys_prctl+0xe6c/0x1d70 [ 45.840422] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.841405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.842496] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.843594] ? irqentry_exit+0xf3/0x650 [ 45.844464] do_syscall_64+0xbf/0x430 [ 45.845315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.846386] RIP: 0033:0x7fe4bb0675cd [ 45.847195] 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 [ 45.850788] RSP: 002b:00007ffcf87e2e80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.852334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4bb0675cd [ 45.853805] RDX: 000055f4bc412e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.855251] RBP: 00007ffcf87e2ee0 R08: 0000000000000000 R09: 00007ffcf87e2580 [ 45.856697] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4ca6c1ad0 [ 45.858156] R13: 00007ffcf87e3310 R14: 000055f4ca6c2bc0 R15: 000055f4ca6d3780 [ 45.859624] [ 45.860151] irq event stamp: 1757 [ 45.860880] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 45.862493] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 45.863951] softirqs last enabled at (1540): [] handle_softirqs+0x50c/0x770 [ 45.865453] softirqs last disabled at (1535): [] __irq_exit_rcu+0xc4/0x100 [ 45.866893] ---[ end trace 0000000000000000 ]--- [ 49.685455] ------------[ cut here ]------------ [ 49.686422] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.688499] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.690007] Modules linked in: [ 49.690607] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.692613] Tainted: [W]=WARN [ 49.693226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.694722] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.695621] 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 [ 49.698816] RSP: 0018:ffff888016e67bc0 EFLAGS: 00010286 [ 49.699798] RAX: 0000000000000000 RBX: ffffed1002dccf78 RCX: ffffffff813a4050 [ 49.701097] RDX: ffff888016543780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.702441] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dccf2f [ 49.703733] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.705060] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e67df8 [ 49.706354] FS: 00007fcb0c839900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.707811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.708872] CR2: 00007ffc6b2b0ef7 CR3: 000000000e497000 CR4: 0000000000350ef0 [ 49.710180] Call Trace: [ 49.710649] [ 49.711110] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.712018] ? __create_object+0x59/0x80 [ 49.712807] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.713731] __vmalloc_noprof+0x59/0x60 [ 49.714498] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.715392] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.716331] bpf_prog_alloc+0x39/0x200 [ 49.717085] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.718029] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.718944] do_seccomp+0x349/0x25e0 [ 49.719628] ? find_held_lock+0x2b/0x80 [ 49.720398] ? do_prlimit+0x310/0x610 [ 49.721172] ? __pfx_do_seccomp+0x10/0x10 [ 49.721964] ? do_raw_spin_unlock+0x53/0x220 [ 49.722808] ? _raw_spin_unlock+0x1e/0x40 [ 49.723559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.724540] ? static_key_count+0x60/0x80 [ 49.725343] prctl_set_seccomp+0x4e/0x70 [ 49.726117] __do_sys_prctl+0xe6c/0x1d70 [ 49.726916] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.727729] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.728710] ? irqentry_exit+0xf3/0x650 [ 49.729491] do_syscall_64+0xbf/0x430 [ 49.730235] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.731191] RIP: 0033:0x7fcb0cd2b5cd [ 49.731900] 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 [ 49.735090] RSP: 002b:00007ffc6b2aeb90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.736463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb0cd2b5cd [ 49.737774] RDX: 0000555a41c96e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.739073] RBP: 00007ffc6b2aebf0 R08: 0000000000000000 R09: 00007ffc6b2ae290 [ 49.740376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a47178ad0 [ 49.741684] R13: 00007ffc6b2af020 R14: 0000555a47179bc0 R15: 0000555a4718a780 [ 49.743007] [ 49.743436] irq event stamp: 1763 [ 49.744100] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 49.745641] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 49.747173] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 49.748716] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 49.750273] ---[ end trace 0000000000000000 ]--- [ 50.565794] ------------[ cut here ]------------ [ 50.566677] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.568675] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.570138] Modules linked in: [ 50.570720] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.572708] Tainted: [W]=WARN [ 50.573318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.574801] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.575667] 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 [ 50.578883] RSP: 0018:ffff888019f37bc0 EFLAGS: 00010286 [ 50.579863] RAX: 0000000000000000 RBX: ffffed10033e6f78 RCX: ffffffff813a4050 [ 50.581168] RDX: ffff88800f7dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.582469] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e6f2f [ 50.583779] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.585084] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f37df8 [ 50.586383] FS: 00007f12d7de6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.587852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.588930] CR2: 00007f12d82d8580 CR3: 000000000d6d2000 CR4: 0000000000350ef0 [ 50.590231] Call Trace: [ 50.590697] [ 50.591161] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.592061] ? __create_object+0x59/0x80 [ 50.592853] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.593849] __vmalloc_noprof+0x59/0x60 [ 50.594557] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.595423] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.596364] bpf_prog_alloc+0x39/0x200 [ 50.597116] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.598073] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.598976] do_seccomp+0x349/0x25e0 [ 50.599641] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.600535] ? __pfx_do_seccomp+0x10/0x10 [ 50.601333] ? find_held_lock+0x2b/0x80 [ 50.602094] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.603077] ? static_key_count+0x60/0x80 [ 50.603883] prctl_set_seccomp+0x4e/0x70 [ 50.604606] __do_sys_prctl+0xe6c/0x1d70 [ 50.605405] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.606260] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.607218] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.608180] ? irqentry_exit+0xf3/0x650 [ 50.608952] do_syscall_64+0xbf/0x430 [ 50.609662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.610619] RIP: 0033:0x7f12d82d85cd [ 50.611322] 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 [ 50.614464] RSP: 002b:00007ffda69880b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.615813] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12d82d85cd [ 50.617077] RDX: 000055ef65d4ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.618363] RBP: 00007ffda6988110 R08: 0000000000000000 R09: 00007ffda69877b0 [ 50.619639] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ef88867240 [ 50.620939] R13: 00007ffda6988540 R14: 000055ef88870380 R15: 000055ef8887b540 [ 50.622254] [ 50.622672] irq event stamp: 1791 [ 50.623324] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 50.624837] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 50.626351] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 50.627881] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 50.629417] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43570' (ECDSA) to the list of known hosts. 2025/11/17 21:29:31 fuzzer started 2025/11/17 21:29:32 dialing manager at localhost:37895 2025/11/17 21:29:32 checking machine... 2025/11/17 21:29:32 checking revisions... [ 51.561834] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:29:32 testing simple program... [ 51.655714] cgroup: Unknown subsys name 'net' [ 51.688609] cgroup: Unknown subsys name 'cpuset' [ 51.702124] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:29:31 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff81ab182e RDX=000000000000ab18 RSI=000000000000ab18 RDI=ffffffff86eee634 RBP=ffff88801686f8f0 RSP=ffff88801686f828 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff88801686f8f8 R13=ffff88801686f8e0 R14=ffff88801686f8d9 R15=ffff88801686f898 RIP=ffffffff8135e5e2 RFL=00000217 [----APC] 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 00007fcb0c839900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc6b2a8000 CR3=000000000cd1b000 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=0000000000025bd5 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0b0d439000 CR3=000000000dfb8000 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=95de9c47d931f8bd2a486f24c877655e XMM02=ec2efd57dc4c00df00000000002ff138 XMM03=e668e5aa0a0c6e6d00000000002ff208 XMM04=28527e1d6e15b0de00000000000ae988 XMM05=775891517f20ef6e000000000031df88 XMM06=474038aa6c007e1f000000000031ccb8 XMM07=e042d86d42eb936e000000000030d148 XMM08=e668e5aa0a0c6e6d00000000002ff208 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000