[ 39.456679] ------------[ cut here ]------------ [ 39.457453] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.459189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.460495] Modules linked in: [ 39.460973] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.462585] Tainted: [W]=WARN [ 39.463037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.464199] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.464937] 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 [ 39.467476] RSP: 0018:ffff88800b3f7bc0 EFLAGS: 00010286 [ 39.468215] RAX: 0000000000000000 RBX: ffffed100167ef78 RCX: ffffffff813a4050 [ 39.469247] RDX: ffff888017095340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.470295] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100167ef2f [ 39.471344] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.472364] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b3f7df8 [ 39.473407] FS: 00007f5da67a9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.474558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.475404] CR2: 00007f5da6d0f4a6 CR3: 000000001daeb000 CR4: 0000000000350ef0 [ 39.476430] Call Trace: [ 39.476799] [ 39.477137] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.477856] ? __create_object+0x59/0x80 [ 39.478476] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.479207] __vmalloc_noprof+0x59/0x60 [ 39.479817] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.480520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.481231] bpf_prog_alloc+0x39/0x200 [ 39.481818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.482562] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.483249] do_seccomp+0x349/0x25e0 [ 39.483824] ? find_held_lock+0x2b/0x80 [ 39.484432] ? do_prlimit+0x310/0x610 [ 39.484987] ? __pfx_do_seccomp+0x10/0x10 [ 39.485629] ? do_raw_spin_unlock+0x53/0x220 [ 39.486265] ? _raw_spin_unlock+0x1e/0x40 [ 39.486896] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.487670] ? static_key_count+0x60/0x80 [ 39.488280] prctl_set_seccomp+0x4e/0x70 [ 39.488901] __do_sys_prctl+0xe6c/0x1d70 [ 39.489536] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.490182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.490950] ? irqentry_exit+0xf3/0x650 [ 39.491565] do_syscall_64+0xbf/0x430 [ 39.492121] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.492879] RIP: 0033:0x7f5da6c9b5cd [ 39.493459] 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 [ 39.495983] RSP: 002b:00007ffdcd97a1b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.497085] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5da6c9b5cd [ 39.498123] RDX: 0000560a13cbfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.499149] RBP: 00007ffdcd97a210 R08: 0000000000000000 R09: 00007ffdcd9798b0 [ 39.500168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560a3c140bf0 [ 39.501207] R13: 00007ffdcd97a640 R14: 0000560a3c14a380 R15: 0000560a3c155460 [ 39.502256] [ 39.502635] irq event stamp: 1929 [ 39.503116] hardirqs last enabled at (1937): [] __up_console_sem+0x78/0x80 [ 39.504334] hardirqs last disabled at (1946): [] __up_console_sem+0x5d/0x80 [ 39.505565] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 39.506796] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 39.507999] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.706928] ------------[ cut here ]------------ [ 42.707873] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.709930] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.711381] Modules linked in: [ 42.711975] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.714003] Tainted: [W]=WARN [ 42.714844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.716393] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.717288] 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 [ 42.720473] RSP: 0018:ffff888018b1fbc0 EFLAGS: 00010286 [ 42.721464] RAX: 0000000000000000 RBX: ffffed1003163f78 RCX: ffffffff813a4050 [ 42.722745] RDX: ffff888019e5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.724041] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003163f2f [ 42.725342] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.726623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b1fdf8 [ 42.727917] FS: 00007fc94aa30900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.729366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.730437] CR2: 00007ffe28855ef7 CR3: 0000000020074000 CR4: 0000000000350ef0 [ 42.731735] Call Trace: [ 42.732205] [ 42.732654] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.733566] ? __create_object+0x59/0x80 [ 42.734303] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.735266] __vmalloc_noprof+0x59/0x60 [ 42.736024] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.736899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.737839] bpf_prog_alloc+0x39/0x200 [ 42.738582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.739504] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.740412] do_seccomp+0x349/0x25e0 [ 42.741096] ? find_held_lock+0x2b/0x80 [ 42.741858] ? do_prlimit+0x310/0x610 [ 42.742609] ? __pfx_do_seccomp+0x10/0x10 [ 42.743389] ? do_raw_spin_unlock+0x53/0x220 [ 42.744190] ? _raw_spin_unlock+0x1e/0x40 [ 42.744976] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.745948] ? static_key_count+0x60/0x80 [ 42.746760] prctl_set_seccomp+0x4e/0x70 [ 42.747525] __do_sys_prctl+0xe6c/0x1d70 [ 42.748280] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.749157] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.750133] ? irqentry_exit+0xf3/0x650 [ 42.750905] do_syscall_64+0xbf/0x430 [ 42.751664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.752626] RIP: 0033:0x7fc94af225cd [ 42.753296] 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 [ 42.756541] RSP: 002b:00007ffe28853a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.757828] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc94af225cd [ 42.758883] RDX: 000055ed2ba1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.759940] RBP: 00007ffe28853a80 R08: 0000000000000000 R09: 00007ffe28853120 [ 42.761008] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ed50ab8ad0 [ 42.762084] R13: 00007ffe28853eb0 R14: 000055ed50ab9bc0 R15: 000055ed50aca780 [ 42.763170] [ 42.763560] irq event stamp: 1799 [ 42.764066] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.765335] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.766602] softirqs last enabled at (1574): [] handle_softirqs+0x50c/0x770 [ 42.767890] softirqs last disabled at (1569): [] __irq_exit_rcu+0xc4/0x100 [ 42.769151] ---[ end trace 0000000000000000 ]--- [ 43.620882] ------------[ cut here ]------------ [ 43.621812] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.623741] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.625208] Modules linked in: [ 43.625834] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.627738] Tainted: [W]=WARN [ 43.628268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.629691] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.630576] 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 [ 43.633635] RSP: 0018:ffff888017747bc0 EFLAGS: 00010286 [ 43.634591] RAX: 0000000000000000 RBX: ffffed1002ee8f78 RCX: ffffffff813a4050 [ 43.635832] RDX: ffff88800f648000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.637051] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee8f2f [ 43.638287] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.639532] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017747df8 [ 43.640776] FS: 00007f50957bc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.642173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.643198] CR2: 00007ffe434a3ef7 CR3: 000000000bf29000 CR4: 0000000000350ef0 [ 43.644433] Call Trace: [ 43.644882] [ 43.645295] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.646168] ? __create_object+0x59/0x80 [ 43.646929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.647866] __vmalloc_noprof+0x59/0x60 [ 43.648596] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.649461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.650375] bpf_prog_alloc+0x39/0x200 [ 43.651042] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.651945] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.652828] do_seccomp+0x349/0x25e0 [ 43.653541] ? find_held_lock+0x2b/0x80 [ 43.654246] ? do_prlimit+0x310/0x610 [ 43.654973] ? __pfx_do_seccomp+0x10/0x10 [ 43.655737] ? do_raw_spin_unlock+0x53/0x220 [ 43.656560] ? _raw_spin_unlock+0x1e/0x40 [ 43.657293] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.658244] ? static_key_count+0x60/0x80 [ 43.659024] prctl_set_seccomp+0x4e/0x70 [ 43.659798] __do_sys_prctl+0xe6c/0x1d70 [ 43.660577] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.661441] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.662389] ? irqentry_exit+0xf3/0x650 [ 43.663093] do_syscall_64+0xbf/0x430 [ 43.663815] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.664751] RIP: 0033:0x7f5095cae5cd [ 43.665458] 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 [ 43.668545] RSP: 002b:00007ffe434a29b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.669902] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5095cae5cd [ 43.671159] RDX: 0000563dc4692e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.672416] RBP: 00007ffe434a2a10 R08: 0000000000000000 R09: 00007ffe434a20b0 [ 43.673691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563dd4b01240 [ 43.674955] R13: 00007ffe434a2e40 R14: 0000563dd4b0a380 R15: 0000563dd4b15540 [ 43.676226] [ 43.676699] irq event stamp: 1827 [ 43.677305] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 43.678822] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 43.680304] softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770 [ 43.681841] softirqs last disabled at (1423): [] __irq_exit_rcu+0xc4/0x100 [ 43.683333] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20231' (ECDSA) to the list of known hosts. 2025/11/18 16:21:43 fuzzer started 2025/11/18 16:21:43 dialing manager at localhost:34383 2025/11/18 16:21:43 checking machine... 2025/11/18 16:21:43 checking revisions... [ 44.594442] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:21:43 testing simple program... [ 44.684669] cgroup: Unknown subsys name 'net' [ 44.740244] cgroup: Unknown subsys name 'cpuset' [ 44.760601] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:21:42 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff842e1cdf RCX=ffff888015f073e4 RDX=1ffff11002be0e9d RSI=ffffffff85e1ffe0 RDI=ffffffff842e1cdf RBP=ffffffff842e1cdf RSP=ffff888015f07438 R8 =0000000000000001 R9 =ffff888015f074d0 R10=000000000003c9ed R11=00000000000abb83 R12=ffff888015f07558 R13=0000000000000000 R14=ffff888015d79bc0 R15=ffff888009462140 RIP=ffffffff81439c17 RFL=00000286 [--S--P-] 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 00007fbb7bd1b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbb7b432000 CR3=000000000da2d000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=252b08cc72d3678200000000000ae988 XMM05=08b84d4a99d6c0b10000000000320eb8 XMM06=02b67b35ba82aff1000000000031ef50 XMM07=fb795ef6d6577056000000000030e388 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800f578000 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f578a58 RSP=ffff88801a5476f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--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 00007fc94aa30900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe2884d000 CR3=0000000013e18000 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=6720646572637465733a4d41503d706f 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