syzkaller login: [ 38.996630] ------------[ cut here ]------------ [ 38.997541] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.999531] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.000985] Modules linked in: [ 39.001574] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.003624] Tainted: [W]=WARN [ 39.004243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.005721] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.006638] 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 [ 39.009914] RSP: 0018:ffff8880168efbc0 EFLAGS: 00010286 [ 39.010913] RAX: 0000000000000000 RBX: ffffed1002d1df78 RCX: ffffffff813a4050 [ 39.012221] RDX: ffff88800f54d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.013502] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1df2f [ 39.014785] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.016078] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168efdf8 [ 39.017362] FS: 00007f726e319900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.018798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.019863] CR2: 00007ffc52212ef8 CR3: 000000000e2a4000 CR4: 0000000000350ef0 [ 39.021161] Call Trace: [ 39.021623] [ 39.022074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.022976] ? __create_object+0x59/0x80 [ 39.023715] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.024698] __vmalloc_noprof+0x59/0x60 [ 39.025454] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.026325] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.027271] bpf_prog_alloc+0x39/0x200 [ 39.028008] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.028939] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.029836] do_seccomp+0x349/0x25e0 [ 39.030504] ? find_held_lock+0x2b/0x80 [ 39.031249] ? do_prlimit+0x310/0x610 [ 39.031978] ? __pfx_do_seccomp+0x10/0x10 [ 39.032728] ? do_raw_spin_unlock+0x53/0x220 [ 39.033578] ? _raw_spin_unlock+0x1e/0x40 [ 39.034364] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.035331] ? static_key_count+0x60/0x80 [ 39.036142] prctl_set_seccomp+0x4e/0x70 [ 39.036928] __do_sys_prctl+0xe6c/0x1d70 [ 39.037677] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.038533] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.039502] ? irqentry_exit+0xf3/0x650 [ 39.040274] do_syscall_64+0xbf/0x430 [ 39.041017] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.041968] RIP: 0033:0x7f726e80b5cd [ 39.042632] 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 [ 39.045807] RSP: 002b:00007ffc52210be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.047182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f726e80b5cd [ 39.048479] RDX: 00005584125f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.049777] RBP: 00007ffc52210c40 R08: 0000000000000000 R09: 00007ffc522102e0 [ 39.051062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558425041bf0 [ 39.052355] R13: 00007ffc52211070 R14: 000055842504b380 R15: 0000558425056460 [ 39.053658] [ 39.054128] irq event stamp: 1781 [ 39.054784] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 39.056316] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 39.057847] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 39.059388] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 39.060912] ---[ end trace 0000000000000000 ]--- [ 41.820251] ------------[ cut here ]------------ [ 41.821034] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.822661] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.823871] Modules linked in: [ 41.824370] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.826214] Tainted: [W]=WARN [ 41.826676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.828034] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.828806] 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 [ 41.831467] RSP: 0018:ffff888016ddfbc0 EFLAGS: 00010286 [ 41.832276] RAX: 0000000000000000 RBX: ffffed1002dbbf78 RCX: ffffffff813a4050 [ 41.833350] RDX: ffff8880145f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.834409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbbf2f [ 41.835475] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.836540] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ddfdf8 [ 41.837607] FS: 00007f8820dba900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.838821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.839665] CR2: 00007f88213204a6 CR3: 000000001fb1c000 CR4: 0000000000350ef0 [ 41.840753] Call Trace: [ 41.841136] [ 41.841473] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.842234] ? __create_object+0x59/0x80 [ 41.842890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.843662] __vmalloc_noprof+0x59/0x60 [ 41.844296] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.845036] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.845810] bpf_prog_alloc+0x39/0x200 [ 41.846384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.847158] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.847913] do_seccomp+0x349/0x25e0 [ 41.848496] ? find_held_lock+0x2b/0x80 [ 41.849131] ? do_prlimit+0x310/0x610 [ 41.849713] ? __pfx_do_seccomp+0x10/0x10 [ 41.850368] ? do_raw_spin_unlock+0x53/0x220 [ 41.851065] ? _raw_spin_unlock+0x1e/0x40 [ 41.851685] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.852496] ? static_key_count+0x60/0x80 [ 41.853160] prctl_set_seccomp+0x4e/0x70 [ 41.853805] __do_sys_prctl+0xe6c/0x1d70 [ 41.854424] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.855128] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.855933] ? irqentry_exit+0xf3/0x650 [ 41.856543] do_syscall_64+0xbf/0x430 [ 41.857161] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.857956] RIP: 0033:0x7f88212ac5cd [ 41.858513] 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 [ 41.861160] RSP: 002b:00007fff9c2b8fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.862295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88212ac5cd [ 41.863369] RDX: 000055cd045d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.864445] RBP: 00007fff9c2b9010 R08: 0000000000000000 R09: 00007fff9c2b86b0 [ 41.865507] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd3751aad0 [ 41.866571] R13: 00007fff9c2b9440 R14: 000055cd3751bbc0 R15: 000055cd3752c780 [ 41.867658] [ 41.868041] irq event stamp: 1803 [ 41.868561] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 41.869829] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 41.871106] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 41.872414] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 41.873682] ---[ end trace 0000000000000000 ]--- [ 42.469609] ------------[ cut here ]------------ [ 42.470529] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.472544] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.474003] Modules linked in: [ 42.474595] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.476605] Tainted: [W]=WARN [ 42.477206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.478922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.479852] 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 [ 42.483039] RSP: 0018:ffff88800d057bc0 EFLAGS: 00010286 [ 42.484032] RAX: 0000000000000000 RBX: ffffed1001a0af78 RCX: ffffffff813a4050 [ 42.485326] RDX: ffff8880145fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.486611] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a0af2f [ 42.487900] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.489210] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d057df8 [ 42.490508] FS: 00007f294f206900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.491949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.493022] CR2: 00007f294f6f8580 CR3: 000000000cf89000 CR4: 0000000000350ef0 [ 42.494325] Call Trace: [ 42.494837] [ 42.495256] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.496158] ? __create_object+0x59/0x80 [ 42.496953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.497933] __vmalloc_noprof+0x59/0x60 [ 42.498658] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.499522] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.500458] bpf_prog_alloc+0x39/0x200 [ 42.501188] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.502113] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.503010] do_seccomp+0x349/0x25e0 [ 42.503689] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.504605] ? __pfx_do_seccomp+0x10/0x10 [ 42.505380] ? find_held_lock+0x2b/0x80 [ 42.506142] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.507106] ? static_key_count+0x60/0x80 [ 42.507902] prctl_set_seccomp+0x4e/0x70 [ 42.508634] __do_sys_prctl+0xe6c/0x1d70 [ 42.509398] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.510238] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.511187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.512156] ? irqentry_exit+0xf3/0x650 [ 42.512914] do_syscall_64+0xbf/0x430 [ 42.513600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.514534] RIP: 0033:0x7f294f6f85cd [ 42.515226] 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 [ 42.518361] RSP: 002b:00007ffe9bf91af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.519698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f294f6f85cd [ 42.520966] RDX: 0000560898e38e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.522226] RBP: 00007ffe9bf91b50 R08: 0000000000000000 R09: 00007ffe9bf911f0 [ 42.523480] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608b4563b10 [ 42.524758] R13: 00007ffe9bf91f80 R14: 00005608b45642b0 R15: 00005608b45786f0 [ 42.526037] [ 42.526460] irq event stamp: 1825 [ 42.527095] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 42.528627] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 42.529988] softirqs last enabled at (1438): [] handle_softirqs+0x50c/0x770 [ 42.531269] softirqs last disabled at (1433): [] __irq_exit_rcu+0xc4/0x100 [ 42.532533] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30143' (ECDSA) to the list of known hosts. 2025/11/18 13:38:43 fuzzer started 2025/11/18 13:38:44 dialing manager at localhost:34383 2025/11/18 13:38:44 checking machine... 2025/11/18 13:38:44 checking revisions... [ 43.490788] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:38:44 testing simple program... [ 43.583405] cgroup: Unknown subsys name 'net' [ 43.636081] cgroup: Unknown subsys name 'cpuset' [ 43.654256] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:38:43 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888017077e78 RCX=ffff88806ce089ac RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff8880161cdde8 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089a0 R8 =0000000000000001 R9 =ffff88806ce08a98 R10=000000000003c9ed R11=00000000000273a5 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff8880161cd340 R15=0000000000000003 RIP=ffffffff81528ffa RFL=00000057 [---ZAPC] 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 00007f8820dba900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8821371618 CR3=000000001faf2000 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=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=0000000000000001 RBX=dffffc0000000000 RCX=ffff888017077b28 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88801c972ad8 RBP=ffff888017077b28 RSP=ffff888017077900 R8 =0000000000000000 R9 =ffffed1002c39a68 R10=0000000000000000 R11=0000000000000000 R12=0000000000001000 R13=ffff888017077db8 R14=0000000000000000 R15=ffff888017077df0 RIP=ffffffff818ef152 RFL=00000293 [--S-A-C] 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 00007f8820dba900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff9c2b3000 CR3=000000001faf2000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00ff00000000000000000000000000ff XMM02=00ff00000000000000000000000000ff XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=6500273d2720676e6974636570786500 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000