syzkaller login: [ 38.714130] ------------[ cut here ]------------ [ 38.715056] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.717072] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.718558] Modules linked in: [ 38.719150] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.721277] Tainted: [W]=WARN [ 38.721831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.723309] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.724170] 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 [ 38.727311] RSP: 0018:ffff888015b4fbc0 EFLAGS: 00010286 [ 38.728308] RAX: 0000000000000000 RBX: ffffed1002b69f78 RCX: ffffffff813a4050 [ 38.729627] RDX: ffff88801a949bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.730934] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b69f2f [ 38.732222] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.733546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015b4fdf8 [ 38.734847] FS: 00007f22d235c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.736311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.737383] CR2: 00007ffcf7105ef7 CR3: 000000000cbc3000 CR4: 0000000000350ef0 [ 38.738684] Call Trace: [ 38.739166] [ 38.739624] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.740547] ? __create_object+0x59/0x80 [ 38.741353] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.742341] __vmalloc_noprof+0x59/0x60 [ 38.743062] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.743942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.744879] bpf_prog_alloc+0x39/0x200 [ 38.745642] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.746612] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.747513] do_seccomp+0x349/0x25e0 [ 38.748185] ? find_held_lock+0x2b/0x80 [ 38.748949] ? do_prlimit+0x310/0x610 [ 38.749699] ? __pfx_do_seccomp+0x10/0x10 [ 38.750505] ? do_raw_spin_unlock+0x53/0x220 [ 38.751347] ? _raw_spin_unlock+0x1e/0x40 [ 38.752082] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.753041] ? static_key_count+0x60/0x80 [ 38.753848] prctl_set_seccomp+0x4e/0x70 [ 38.754633] __do_sys_prctl+0xe6c/0x1d70 [ 38.755427] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.756296] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.757221] ? irqentry_exit+0xf3/0x650 [ 38.758000] do_syscall_64+0xbf/0x430 [ 38.758759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.759724] RIP: 0033:0x7f22d284e5cd [ 38.760438] 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 [ 38.763629] RSP: 002b:00007ffcf71033b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.764997] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22d284e5cd [ 38.766290] RDX: 0000558a1615be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.767586] RBP: 00007ffcf7103410 R08: 0000000000000000 R09: 00007ffcf7102ab0 [ 38.768864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a328d7ad0 [ 38.770146] R13: 00007ffcf7103840 R14: 0000558a328d8bc0 R15: 0000558a328e9780 [ 38.771453] [ 38.771803] irq event stamp: 1789 [ 38.772342] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 38.773598] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 38.774863] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 38.776158] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 38.777415] ---[ end trace 0000000000000000 ]--- [ 41.677671] ------------[ cut here ]------------ [ 41.678614] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.680575] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.682012] Modules linked in: [ 41.682649] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.684624] Tainted: [W]=WARN [ 41.685174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.686602] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.687495] 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 [ 41.690604] RSP: 0018:ffff888016ba7bc0 EFLAGS: 00010286 [ 41.691563] RAX: 0000000000000000 RBX: ffffed1002d74f78 RCX: ffffffff813a4050 [ 41.692834] RDX: ffff888015c71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.694116] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d74f2f [ 41.695409] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.696677] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ba7df8 [ 41.697946] FS: 00007fb62b309900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.699386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.700442] CR2: 00007fb62b86f4a6 CR3: 000000000e0e4000 CR4: 0000000000350ef0 [ 41.701708] Call Trace: [ 41.702178] [ 41.702646] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.703535] ? __create_object+0x59/0x80 [ 41.704299] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.705211] __vmalloc_noprof+0x59/0x60 [ 41.705969] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.706858] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.707792] bpf_prog_alloc+0x39/0x200 [ 41.708535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.709446] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.710341] do_seccomp+0x349/0x25e0 [ 41.711016] ? find_held_lock+0x2b/0x80 [ 41.711766] ? do_prlimit+0x310/0x610 [ 41.712498] ? __pfx_do_seccomp+0x10/0x10 [ 41.713231] ? do_raw_spin_unlock+0x53/0x220 [ 41.714057] ? _raw_spin_unlock+0x1e/0x40 [ 41.714839] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.715780] ? static_key_count+0x60/0x80 [ 41.716575] prctl_set_seccomp+0x4e/0x70 [ 41.717349] __do_sys_prctl+0xe6c/0x1d70 [ 41.718071] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.718934] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.719879] ? irqentry_exit+0xf3/0x650 [ 41.720627] do_syscall_64+0xbf/0x430 [ 41.721368] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.722312] RIP: 0033:0x7fb62b7fb5cd [ 41.722961] 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 [ 41.726060] RSP: 002b:00007ffef5468190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.727408] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb62b7fb5cd [ 41.728662] RDX: 000055f2be2fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.729918] RBP: 00007ffef54681f0 R08: 0000000000000000 R09: 00007ffef5467890 [ 41.731084] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f2c2439ad0 [ 41.731893] R13: 00007ffef5468620 R14: 000055f2c243abc0 R15: 000055f2c244b780 [ 41.732733] [ 41.733002] irq event stamp: 1789 [ 41.733416] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 41.734383] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 41.735169] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 41.735873] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 41.736555] ---[ end trace 0000000000000000 ]--- [ 42.430302] ------------[ cut here ]------------ [ 42.430767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.431834] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.432580] Modules linked in: [ 42.432880] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.433886] Tainted: [W]=WARN [ 42.434182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.434946] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.435416] 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 [ 42.437060] RSP: 0018:ffff88801759fbc0 EFLAGS: 00010286 [ 42.437550] RAX: 0000000000000000 RBX: ffffed1002eb3f78 RCX: ffffffff813a4050 [ 42.438175] RDX: ffff88800f3b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.438834] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb3f2f [ 42.439492] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.440119] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801759fdf8 [ 42.440769] FS: 00007f1f08a78900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.441503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.442020] CR2: 00007fffc931fef7 CR3: 0000000013af3000 CR4: 0000000000350ef0 [ 42.442688] Call Trace: [ 42.442928] [ 42.443136] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.443597] ? __create_object+0x59/0x80 [ 42.443979] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.444474] __vmalloc_noprof+0x59/0x60 [ 42.444837] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.445286] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.445733] bpf_prog_alloc+0x39/0x200 [ 42.446086] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.446569] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.447009] do_seccomp+0x349/0x25e0 [ 42.447380] ? find_held_lock+0x2b/0x80 [ 42.447749] ? do_prlimit+0x310/0x610 [ 42.448105] ? __pfx_do_seccomp+0x10/0x10 [ 42.448507] ? do_raw_spin_unlock+0x53/0x220 [ 42.448910] ? _raw_spin_unlock+0x1e/0x40 [ 42.449311] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.449780] ? static_key_count+0x60/0x80 [ 42.450163] prctl_set_seccomp+0x4e/0x70 [ 42.450566] __do_sys_prctl+0xe6c/0x1d70 [ 42.450940] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.451370] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.451841] ? irqentry_exit+0xf3/0x650 [ 42.452198] do_syscall_64+0xbf/0x430 [ 42.452570] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.453035] RIP: 0033:0x7f1f08f6a5cd [ 42.453388] 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 [ 42.454995] RSP: 002b:00007fffc931d6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.455690] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f08f6a5cd [ 42.456344] RDX: 000055f3db4ade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.456968] RBP: 00007fffc931d730 R08: 0000000000000000 R09: 00007fffc931cdd0 [ 42.457620] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4042312b0 [ 42.458284] R13: 00007fffc931db60 R14: 000055f404233d20 R15: 000055f4042458d0 [ 42.458924] [ 42.459138] irq event stamp: 1711 [ 42.459473] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.460222] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 42.461000] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.461782] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 42.462561] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51998' (ECDSA) to the list of known hosts. 2025/11/18 15:10:20 fuzzer started 2025/11/18 15:10:20 dialing manager at localhost:34383 2025/11/18 15:10:20 checking machine... 2025/11/18 15:10:20 checking revisions... [ 43.165993] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:10:20 testing simple program... [ 43.238481] cgroup: Unknown subsys name 'net' [ 43.293300] cgroup: Unknown subsys name 'cpuset' [ 43.303963] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:10:19 Registers: info registers vcpu 0 RAX=ffffffff81b2a21c RBX=ffffffff86725cd4 RCX=ffffffff81b2a223 RDX=0000000000000000 RSI=ffffffff86ab8442 RDI=ffffffff86725cc8 RBP=ffffffff86725cd8 RSP=ffff88801686f7b0 R8 =ffffffff86ab8442 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725ce4 R13=ffffffff86725cc8 R14=ffffffff86725cc8 R15=dffffc0000000000 RIP=ffffffff8135da7f 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 00007fb62b309900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb62b2ce008 CR3=000000000dc43000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000021f45 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f50a9599000 CR3=000000000e396000 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=b8e6630dd2d0208a4f4125d24f55e59a XMM02=ec2efd57dc4c00df0000000000304f80 XMM03=b4e3417dc80e94190000000000305050 XMM04=5a093e471ac86bc600000000000ae988 XMM05=07c8bb74b6c04a440000000000321e40 XMM06=d74844bf967d85ba0000000000321cc8 XMM07=e042d86d42eb936e0000000000312608 XMM08=b4e3417dc80e94190000000000305050 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000