syzkaller login: [ 39.303670] ------------[ cut here ]------------ [ 39.304618] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.306636] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.308136] Modules linked in: [ 39.308784] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.310755] Tainted: [W]=WARN [ 39.311317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.312798] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.313705] 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 [ 39.316865] RSP: 0018:ffff88800f88fbc0 EFLAGS: 00010286 [ 39.317854] RAX: 0000000000000000 RBX: ffffed1001f11f78 RCX: ffffffff813a4050 [ 39.319147] RDX: ffff88800b2c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.320440] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f11f2f [ 39.321705] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.323004] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f88fdf8 [ 39.324308] FS: 00007f633e41c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.325756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.326800] CR2: 00007ffdf6a86ef7 CR3: 0000000009bef000 CR4: 0000000000350ef0 [ 39.328108] Call Trace: [ 39.328621] [ 39.329041] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.329945] ? __create_object+0x59/0x80 [ 39.330709] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.331681] __vmalloc_noprof+0x59/0x60 [ 39.332398] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.333282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.334207] bpf_prog_alloc+0x39/0x200 [ 39.334956] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.335908] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.336811] do_seccomp+0x349/0x25e0 [ 39.337541] ? find_held_lock+0x2b/0x80 [ 39.338280] ? do_prlimit+0x310/0x610 [ 39.339037] ? __pfx_do_seccomp+0x10/0x10 [ 39.339839] ? do_raw_spin_unlock+0x53/0x220 [ 39.340672] ? _raw_spin_unlock+0x1e/0x40 [ 39.341423] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.342381] ? static_key_count+0x60/0x80 [ 39.343169] prctl_set_seccomp+0x4e/0x70 [ 39.343978] __do_sys_prctl+0xe6c/0x1d70 [ 39.344764] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.345622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.346597] ? irqentry_exit+0xf3/0x650 [ 39.347330] do_syscall_64+0xbf/0x430 [ 39.348092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.349044] RIP: 0033:0x7f633e90e5cd [ 39.349747] 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 [ 39.352918] RSP: 002b:00007ffdf6a849e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.354263] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f633e90e5cd [ 39.355543] RDX: 0000560382757e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.356807] RBP: 00007ffdf6a84a40 R08: 0000000000000000 R09: 00007ffdf6a840e0 [ 39.358094] R10: 0000000000000000 R11: 0000000000000246 R12: 000056038f7a9b10 [ 39.359364] R13: 00007ffdf6a84e70 R14: 000056038f7aa2b0 R15: 000056038f7be6f0 [ 39.360685] [ 39.361104] irq event stamp: 1731 [ 39.361756] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 39.363279] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 39.364723] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 39.366032] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 39.367291] ---[ end trace 0000000000000000 ]--- [ 42.209607] ------------[ cut here ]------------ [ 42.210572] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.212726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.214211] Modules linked in: [ 42.214849] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.216842] Tainted: [W]=WARN [ 42.217392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.218865] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.219786] 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 [ 42.222923] RSP: 0018:ffff88800ebdfbc0 EFLAGS: 00010286 [ 42.223905] RAX: 0000000000000000 RBX: ffffed1001d7bf78 RCX: ffffffff813a4050 [ 42.225172] RDX: ffff88800de81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.226459] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d7bf2f [ 42.227769] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.229057] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ebdfdf8 [ 42.230333] FS: 00007f4a53f25900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.231777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.232834] CR2: 00007f4a54417580 CR3: 000000000d8ed000 CR4: 0000000000350ef0 [ 42.234126] Call Trace: [ 42.234637] [ 42.235054] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.235974] ? __create_object+0x59/0x80 [ 42.236748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.237715] __vmalloc_noprof+0x59/0x60 [ 42.238440] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.239322] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.240256] bpf_prog_alloc+0x39/0x200 [ 42.241009] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.241949] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.242847] do_seccomp+0x349/0x25e0 [ 42.243574] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.244419] ? __pfx_do_seccomp+0x10/0x10 [ 42.245207] ? find_held_lock+0x2b/0x80 [ 42.245966] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.246928] ? static_key_count+0x60/0x80 [ 42.247750] prctl_set_seccomp+0x4e/0x70 [ 42.248482] __do_sys_prctl+0xe6c/0x1d70 [ 42.249270] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.250113] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.251083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.252045] ? irqentry_exit+0xf3/0x650 [ 42.252811] do_syscall_64+0xbf/0x430 [ 42.253554] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.254454] RIP: 0033:0x7f4a544175cd [ 42.255163] 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 [ 42.258922] RSP: 002b:00007ffd97844310 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.260354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a544175cd [ 42.261765] RDX: 0000564146be7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.263131] RBP: 00007ffd97844370 R08: 0000000000000000 R09: 00007ffd97843a10 [ 42.264546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564183234b10 [ 42.265854] R13: 00007ffd978447a0 R14: 00005641832352b0 R15: 00005641832496f0 [ 42.267182] [ 42.267704] irq event stamp: 1809 [ 42.268345] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.269901] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.271476] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 42.272862] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 42.274178] ---[ end trace 0000000000000000 ]--- [ 42.845837] ------------[ cut here ]------------ [ 42.846748] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.848766] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.850235] Modules linked in: [ 42.850857] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.853068] Tainted: [W]=WARN [ 42.853727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.855180] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.856100] 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 [ 42.859208] RSP: 0018:ffff88800f257bc0 EFLAGS: 00010286 [ 42.860174] RAX: 0000000000000000 RBX: ffffed1001e4af78 RCX: ffffffff813a4050 [ 42.861429] RDX: ffff88800e829bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.862680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4af2f [ 42.863942] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.865233] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f257df8 [ 42.866517] FS: 00007f66c4cdc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.867950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.869004] CR2: 00007ffdeabc7ef7 CR3: 0000000020a7b000 CR4: 0000000000350ef0 [ 42.870264] Call Trace: [ 42.870767] [ 42.871181] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.872088] ? __create_object+0x59/0x80 [ 42.872872] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.873835] __vmalloc_noprof+0x59/0x60 [ 42.874593] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.875424] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.876351] bpf_prog_alloc+0x39/0x200 [ 42.877088] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.878002] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.878894] do_seccomp+0x349/0x25e0 [ 42.879614] ? find_held_lock+0x2b/0x80 [ 42.880319] ? do_prlimit+0x310/0x610 [ 42.881052] ? __pfx_do_seccomp+0x10/0x10 [ 42.881821] ? do_raw_spin_unlock+0x53/0x220 [ 42.882646] ? _raw_spin_unlock+0x1e/0x40 [ 42.883365] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.884320] ? static_key_count+0x60/0x80 [ 42.885120] prctl_set_seccomp+0x4e/0x70 [ 42.885886] __do_sys_prctl+0xe6c/0x1d70 [ 42.886663] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.887454] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.888423] ? irqentry_exit+0xf3/0x650 [ 42.889172] do_syscall_64+0xbf/0x430 [ 42.889908] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.890851] RIP: 0033:0x7f66c51ce5cd [ 42.891557] 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 [ 42.894666] RSP: 002b:00007ffdeabc5a40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.896015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66c51ce5cd [ 42.897286] RDX: 0000557f149a7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.898552] RBP: 00007ffdeabc5aa0 R08: 0000000000000000 R09: 00007ffdeabc5140 [ 42.899836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f48aa7ad0 [ 42.900901] R13: 00007ffdeabc5ed0 R14: 0000557f48aa8bc0 R15: 0000557f48ab9780 [ 42.901964] [ 42.902309] irq event stamp: 1791 [ 42.902852] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.904121] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.905360] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 42.906632] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 42.907882] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16810' (ECDSA) to the list of known hosts. 2025/11/18 13:42:36 fuzzer started 2025/11/18 13:42:37 dialing manager at localhost:34383 2025/11/18 13:42:37 checking machine... 2025/11/18 13:42:37 checking revisions... [ 43.762034] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:42:37 testing simple program... [ 43.853723] cgroup: Unknown subsys name 'net' [ 43.932928] cgroup: Unknown subsys name 'cpuset' [ 43.946480] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:42:36 Registers: info registers vcpu 0 RAX=00000000e03ebebb RBX=ffff88800f979bc0 RCX=00000000f5acb89f RDX=00000000b1c98386 RSI=ffff88800f97a690 RDI=00000000c57798ad RBP=ffff88800f97a618 RSP=ffff88806ce088c0 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f97a690 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815275aa RFL=00000896 [-OS-AP-] 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 00007f4a53f25900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056418324dc28 CR3=000000002089c000 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=000000000002001b 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=00000206 [-----P-] 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6444e0b600 CR3=000000000ce54000 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=2d5438593e576eb46b48da0471e23f3c XMM02=00000000003023b0eff9b2d0a8fce9cb XMM03=00000000003024802c67c8bc2e329bc3 XMM04=404ed0e7a4eeacd000000000000ae988 XMM05=137eae8137d74a9e000000000031f8e8 XMM06=5b75c91c80445342000000000031e988 XMM07=e042d86d42eb936e000000000030e350 XMM08=37600f5249c2e4c40000000000302480 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000